Battery ahoɔden ano aduru bi ne lithium-ion, lead-acid, flow, sodium-ion, ne solid-state nhyehyɛe a ɛkora anyinam ahoɔden so wɔ nnuru mu ma wɔde di dwuma akyiri yi. Saa ano aduru yi fi batere nketewa a ɛwɔ atrae a ɛma nnɔnhwerew 5-15 kilowatt-kɔsi utility-scale installations a ɛde megawatt-dɔnhwerew ɔhaha pii ma. Nea wobɛpaw no gyina wo tumi a wuhia, bere tenten a wuhia, ne sikasɛm mu anohyeto ahorow so.
Battery Ahoɔden a Wɔkora So Nhyehyɛe Ho Ntease
Battery Energy Storage Systems kyere anyinam ahoɔden fi mmeae te sɛ owia ahoɔden mfiri, mframa afiri, anaa grid na wɔkora so ma wɔde di dwuma bere a nea wɔhwehwɛ boro nea wɔde ma so no. Wɔ wɔn mu titiriw no, saa nhyehyɛe ahorow yi dan anyinam ahoɔden ma ɛbɛyɛ nnuru ahoɔden bere a wɔrebɔ no na wɔdannan adeyɛ no bere a wɔregu no.
BESS a edi mũ no bi ne nneɛma atitiriw pii: battery cells a ɛkora ahoɔden no so, Battery Management System (BMS) a ɛhwɛ cell akwahosan ne adwumayɛ so, Power Conversion System (PCS) a ɛdannan AC ne DC ahoɔden ntam, ne control software a ɛma charge ne discharge cycles yɛ papa. Nhyehyɛe no nhyehyɛɛ betumi ayɛ soronko kɛse a egyina dwumadie so, ɛfiri ɔfasuo-adeɛ baako a wɔde ahyɛ ofie bi mu kɔsi nhyehyɛeɛ a wɔde nsuo gu mu a ɛtrɛ acre wɔ mmeaeɛ a wɔde nneɛma di dwuma.
Guadi no anya nkɔso a ɛyɛ nwonwa. Wɔ afe 2024 mu no, wiase nyinaa nneɛma a wɔde si hɔ no duu ahoɔden a ɛyɛ 160 GW ne ahoɔden a ɛyɛ 363 GWh, na saa afe baako no yɛɛ bɛboro 45% wɔ tumi a wɔaboaboa ano nyinaa mu. US nko ara de GW 12.3 kaa ho wɔ afe 2024 mu, a ɛkyerɛ sɛ ɛboro afe a atwam no so 33%. Saa ntrɛwmu yi da ɛka a ɛrekɔ fam ne gye a wɔregye atom a ɛrenya nkɔanim wɔ dwuma titiriw a nneɛma a wɔkora so di wɔ grid a ɛyɛ den ne ahoɔden a wɔyɛ no foforo a wɔde ka bom mu no nyinaa adi.
Scale-Gyina Paw Nhyehyɛe
Wɔte batere ano aduru ase yiye denam sɛnea wɔde bɛtoto tumi a wɔhwehwɛ ne sɛnea wɔde di dwuma ho sen sɛ wɔde wɔn adwene besi nnuruyɛ nkutoo so. Nhyehyɛe ahorow no gu akuw abiɛsa a ɛsono emu biara mu, na emu biara di ahiade ahorow ho dwuma.
Nneɛma a Wɔde Yɛ Atrae (Ennu 30 kWh) .
Ofie batere ano aduru taa ma ahoɔden a wotumi de di dwuma kilowatt- nnɔnhwerew 5 kosi 15. Tesla Powerwall 2, a ɛkora kWh 13.5 so no, sɛ wɔkyekyem pɛpɛɛpɛ a, tumi ma ofie biara ahoɔden nnɔnhwerew pii bere a wɔagyae adwuma no. LG Chem RESU 10H ma 9.8 kWh na ɛne owia ahoɔden a wɔde si hɔ no bom yiye.
Saa nhyehyɛe ahorow yi de lithium-ion mfiridwuma titiriw di dwuma, titiriw lithium iron phosphate (LFP) anaa nickel manganese cobalt (NMC) nnuru. LFP batere no bo yɛ den kakra ansa na wɔayɛ nanso ɛma ahobammɔ ne nkwa tenten a ɛkorɔn-ɛtaa yɛ kyinhyia 6,000 kosi 10,000 sɛ wɔde toto NMC 3,000 kosi 5,000 ho a. Wɔ ofie a wɔtaa de di dwuma kWh 30 da biara no, batere a ɛyɛ kWh 10 a wɔde owia ahoɔden abɔ mu no betumi adi anwummere ahiade ho dwuma na ama wɔanya mmoa bere a wɔagyae adwuma no.
Nneɛma a wɔkora so wɔ atrae no kɔɔ soro 57% wɔ afe 2024 mu, na ɛduruu bɛboro 1,250 MW a ɛwɔ ahoɔden foforɔ. Wɔ afe a ɛtɔ so nnan no nkutoo mu no, wɔde MW 380 kaa ho, na ɛde bosome mmiɛnsa biara kyerɛwtohɔ sii hɔ. Saa nkɔso yi fi batere ho ka a ɛrekɔ fam, owia ahoɔden a wɔde ka bom a ɛkɔ anim, ne anyinam ahoɔden a ɛtɔ a ɛkɔ soro a ɛma wɔhwehwɛ ahoɔden a wɔde wɔn ho no.
Ɛka a wɔbɔ ho nsusuwii: Atenaeɛ nhyehyɛeɛ no firi $8,000 kɔsi $15,000 a wɔde ahyɛ mu, a ɛkyerɛ aseɛ bɛyɛ $600-$1,000 wɔ kilowatt-dɔnhwereɛ biara mu a ɛka a wɔde bɛhyɛ ne inverter ho ka ho. Federal towtua a wɔde ma no betumi atew saa ka yi so 30% wɔ U.S., bere a aman bi de nkannyan foforo ma.
Aguadi ne Nnwumayɛbea (30 kWh kosi 10 MWh) .
Aguadi ne mfiridwuma fã no som nnwuma, adwumayɛbea, data mmeae, ne nnwuma a ɛho hia. Saa nhyehyeɛ yi taa firi 50 kWh ma nnwuma nketewa kɔsi megawatt-nnɔnhwereɛ dodoɔ bi ma mmeaeɛ a wɔyɛ nneɛma. Ebia adwumayɛbea dan a wɔtaa yɛ no de 200 kWh nhyehyɛe bɛhyɛ mu, bere a beae a wɔkyekyɛ nneɛma betumi ahia 2 MWh.
C&I applications twe adwene si sikasɛm mu optimization so sen sɛ wɔde backup power bedi dwuma kɛkɛ. Peak shaving tew ahwehwɛde ho ka so denam ahoɔden a wɔde asie a wɔtow gu wɔ -rate bere a ɛkorɔn-adwumayɛbea ahorow bi nya ɛka so tew 60% kosi 80% wɔ ahwehwɛde ho ka so. Bere-de-de di dwuma arbitrage charges battery bere a anyinam ahoɔden bo sua na ɛtwetwe wɔ nnɔnhwerew a ne bo yɛ den a nnipa pii kɔ mu. Wɔ nnwuma a ɛwɔ mmeae a ɛho ka boro dɔla 15 wɔ kilowatt biara mu fam no, bere a wɔde tua ka no taa yɛ mfe 5 kosi 7.
Telecommunication abantenten ne data centers refa BESS ntɛmntɛm de asi atetesɛm lead-acid UPS nhyehyɛe ananmu na ɛtew ahotoso a wɔde to diesel generators so. Saa mmeae yi hwehwɛ bere a ɛbɛn-a ɛyɛ pɛpɛɛpɛ, na lithium-ion batere ma mmuae bere a ɛyɛ ntɛm-dannan fi standby kɔ ahoɔden a edi mũ mu wɔ nea ennu sekan biako mu sɛ wɔde toto sikani pii ho ma generators.
Wɔhwɛ kwan sɛ saa ɔfa yi bɛkɔ soro 13% afe biara, na ɛbɛduru 52 kɔsi 70 GWh wɔ nneɛma a wɔde besisi hɔ mu wɔ afe 2030. California, Massachusetts, ne New York bɛyɛ 90% wɔ aguadi mu nneɛma a wɔde besisi hɔ wɔ U.S., a anyinam ahoɔden ho ka kɛseɛ ne nhyehyɛeɛ a ɛboa na ɛde ba.
Mfiridwuma ho nneɛma a wɔpaw: C&I nhyehyɛe dodow no ara de nsukorade anaa kabinet-gyinaso nsusuwso a nsu onwini wom di dwuma de di ɔhyew ho dwuma. Sɛ nhwɛsoɔ no, HoyUltra 2 de kWh 261 ma wɔ unit biara mu a nsuo a ɛma onwini a ɛkɔ anim a ɛma ahoɔden a ɛkorɔn 20% sene mframa-nwini a wɔde si ananmu. Saa modular nhyehyɛe ahorow yi ma nnwuma ahorow fi ase nketewa na wɔyɛ kɛse bere a ahiade ahorow renya nkɔanim no.
Utility-Scale Systems (Ɛboro 10 MWh) .
Utility-scale installations ma grid dwumadie a ɛka ho ne frequency regulation, voltage support, ne capacity firming ma ahoɔden a wɔtumi yɛ foforɔ. Nnwuma ankorankoro no fi 10 MWh kosi bɛboro 1,000 MWh. Tesla Megapack no sie 3.9 MWh wɔ unit biara mu, a nhyehyɛe ahorow a ɛde 50 kosi 200 di dwuma ma ne nyinaa tumi yɛ 200 kosi 800 MWh.
Saa nnwuma yi som sika a wonya pii bere koro mu. 100 MW / 400 MWh adwumayɛbea betumi ama frequency regulation ama grid operator no, de ne ho ahyɛ ahoɔden arbitrage mu denam adetɔ a ɛba fam ne tɔn a ɛkɔ soro so, na ɛde tumi ho ka ama sɛ ɛwɔ hɔ wɔ bere a ahwehwɛde dɔɔso sen biara no. Saa sika a wɔboaboa ano yi ma nnwuma yɛ sikasɛm mu mfasoɔ-Internal Rates of Return taa boro 10% kɔsi 15%.
Victoria Big Battery a ɛwɔ Australia no yɛ nhwɛsoɔ a ɛfa mfasoɔ-scale deployment: Tesla Megapack units 212 a ɛma 350 MW ne 1,400 MWh tumi. Nhyehyɛe no ma Victoria anyinam ahoɔden nhama no yɛ nea ɛyɛ den, esiw ahoɔden a ɛtwa mu bere a nneɛma a wɔhwehwɛ kɛse no ano, na ɛkora ahoɔden a wɔyɛ no foforo a ɛboro so wɔ bere a owia ne mframa a ɛbɔ kɛse no mu.
Guadidan mu akannifo: Texas ne California na ɛdi U.S. utility-scale deployment so, ɛyɛ 61% wɔ tumi foforɔ mu wɔ afe 2024. Texas nya mfasoɔ firi ERCOT akansiɛ a ɛyɛ wholesale gua nhyehyɛeɛ a ɛma akatua a ɛyɛ ntɛm-rebua nneɛma. California hyia grid anohyeto ahorow a efi ahoɔden a wɔyɛ no foforo a ɛkɔ soro a ɛkɔ mu, na ɛma nneɛma a wɔkora so ho hia ma "duck curve"-anwummere kwan a ɛyɛ nnam no ho dwuma bere a owia ahoɔden so tew nanso ahwehwɛde da so ara yɛ kɛse.
Utility-scale systems seesei de bere tenten a ɛboro atetesɛm 4{6}}hour gyinapɛn no ma. Nnwuma a ne kɛse yɛ nnɔnhwerew 6, 8, anaa 10 mpo no abu so kɛse bere a ɛka so tew na nhyehyɛe ahorow tua bere tenten-bere tenten a wɔde sie no ka. Nsakraeɛ a ɛfiri NMC kɔ LFP nnuruyɛ mu no aboa saa su yi-LFP ahoɔden a ɛba fam no, kyinhyia nkwa nna a ɛkorɔn ne ɛka a ɛba fam no siw ano, na ɛma nhyehyɛeɛ a ɛkyɛ no yɛ sikasɛm mu anigyeɛ.
Ɛka a wɔbɔ wɔ nneɛma a wɔde besisi hɔ ho: Utility-scale BESS ka so atew akodu bɛyɛ $334 wɔ kilowatt-dɔnhwerew biara mu ama nnɔnhwerew 4 nhyehyɛe wɔ afe 2024 mu, ɛbaa fam fi bɛboro $600/kWh wɔ afe 2015. Nsusuwii a ɛyɛ konservatif no kyerɛ sɛ ɛka no betumi adu $280/kWh wɔ afe 2030 mu, bere a tebea horow a ɛyɛ anidaso kyerɛ $180/kWh na ɛyɛ adwuma. Saa akontabuo yi bi ne battery module, inverters, balance of system components, ne installation nanso ɛnka asase ne grid connection ho ka.
Battery Chemistry Nneɛma a Wɔpaw
Lithium-ion di gua no so a ɛwɔ kyɛfa 88.6%, nanso sɛ yɛte akwan foforo no ase a, ɛboa ma wohu nea ɛfata yiye ma dwumadie pɔtee bi.
Lithium Dade a Wɔde Yɛ Nneɛma (LFP) .
LFP abɛyɛ nnuru titire a wɔde sie nneɛma a ɛgyina hɔ firi afe 2022. Chinafoɔ a wɔyɛ nneɛma no bɛtumi ayɛ LFP batere a wɔabɔ ho ban a ɛwɔ tumi nsakraeɛ nhyehyɛeɛ a ne boɔ nnu $66/kWh-ɛboɔ a ɛma mfasoɔ-scale deployment yɛ sikasɛm mu ahoɔden. BYD de LFP ahoɔden 40 GWh sii hɔ wɔ wiase nyinaa wɔ afe 2024 nkutoo mu.
Ahobammɔ gyina hɔ ma mfaso titiriw a ɛwɔ LFP so. Phosphate nkitahodi no kɔ so gyina hɔ pintinn wɔ ɔhyew nhyɛso ase mpo, na ɛma ɔhyew guankɔbea no nyɛ nea ɛda adi koraa sen nnuru a egyina cobalt- so. Saa gyinabea yi brɛ ogya ho asiane ase na ɛtew insurance ka so-ade a ntease wom a ɛsɛ sɛ wosusuw ho bere a wɔde megawatt-dɔnhwerew nhyehyɛe ahorow redi dwuma no. Cycle nkwa boro 6,000 cycles wɔ 80% depth of discharge, na mprempren wɔn a wɔyɛ no binom hyɛ bɔ sɛ 10,000 cycles.
Aguadi no ba wɔ ahoɔden a ɛyɛ den mu: LFP de bɛyɛ 150 Wh/kg ma sɛ wɔde toto NMC 200-250 Wh/kg ho a. Wɔ stationary applications a space nnyɛ den kɛse no, saa ɔhaw yi ho nhia pii. Ɛka a ɛba fam wɔ kilowatt-dɔnhwerew biara ho ne kyinhyia nkwa nna a ɛtrɛw no boro nea wotua so ka.
Nickel Manganese Cobalt (NMC) a wɔde yɛ nneɛma a ɛyɛ fɛ.
NMC batere da so ara fata ma dwumadie a ahoɔden a ɛwɔ mu no ma ɛfata sɛ wɔbɔ ka kɛseɛ. Kar a anyinam ahoɔden wom no ani gye NMC ho efisɛ ahoɔden a ɛkɔ soro no kyerɛ sɛ ɛkɔ akyirikyiri wɔ batere mu duru kilogram biara mu. Nnwuma bi a ɛfa mfaso-scale wɔ space-constrained nkuropɔn mmeae nso kyerɛ NMC.
Nnansa yi nnuru a wɔde yɛ nnuru no ma cobalt a ɛwɔ mu no so tew de di nneɛma a wɔde ma ne abrabɔ pa ho haw ahorow ho dwuma. NMC 811 (80% nickel, 10% manganese, 10% cobalt) brɛ cobalt a wɔde wɔn ho to so no ase bere a ɛkura ahoɔden a ɛkɔ soro no mu. Nanso, nickel a ɛdɔɔso no ma ɔhyew ho nkate yɛ kɛse, na ɛhwehwɛ sɛ wɔyɛ ɔhyew ho nhyehyɛe a ɛyɛ nwonwa kɛse.
Kɔbere-Aside
Lead-acid mfiridwuma, a efi 1850 mfe no mu no, da so ara wɔ niches pɔtee bi mu ɛmfa ho sɛ ɛnyɛ adwuma yiye na ɛyɛ kyinhyia nkwa nna tiaa. Owia ahoɔden a ɛwɔ mmeae a afei na wɔrenya nkɔsoɔ no taa de kɔbere-acid di dwuma ɛnam sɛ ɛka a wɔbɔ ansa na wɔayɛ no sua ne mpɔtam hɔ nsiesie nhyehyɛeɛ a wɔde asi hɔ nti. Telecommunications abantenten ne backup power systems da so ara de lead-acid di dwuma wɔ baabi a ɛho nhia sɛ wɔkɔ so yi gu.
Mfiridwuma no hyia anohyeto titiriw: 500 kosi 1,000 kyinhyia nkwa, 80% round-akwantu a etu mpɔn, ne nkate a ɛfa bun a ɛkɔ nsu mu. Sɛ wɔtow gu a ɛba fam sen 50% tumi a, ɛtew nkwa nna so kɛse. Saa anohyeto ahorow yi to lead-acid ano hye ma application ahorow a mfitiaseɛ ka boro nkwa nna nyinaa boɔ so.
Batere a Ɛsen Fam
Batere a ɛsen no sie ahoɔden wɔ nsu electrolytes a wɔde sie abɔnten tank mu, na ɛma wotumi de ahoɔden ne ahoɔden a ɛwɔ mu no yɛ kɛse wɔ ahofadi mu. Ebia adwumayɛbea bi behia ahoɔden a ɛkɔ soro bere tiaa bi anaasɛ ahoɔden a ɛba fam bere tenten-flow battery ahorow no gye tebea abien no nyinaa denam tank kɛse a wɔsakra no a ɛnyɛ tumi a wɔaboaboa ano no so.
Vanadium redox flow battery na ɛhyɛ flow gua so. Wɔbuee 175 MW / 700 MWh vanadium nhyehyɛeɛ wɔ afe 2024 mu, a ɛkyerɛ sɛ ɛtumi yɛ adwuma wɔ nsenia mu. Flow batteries di mu wɔ dwumadie a ɛhia sɛ wɔde nnɔnhwereɛ 8 kɔsi 12 di dwuma, baabi a lithium-ion bɛyɛ nea ɛho ka yɛ-bara. Electrolyte no nsɛe ne kyinhyia, wɔ nsusuwii mu no ɛma wotumi kyinhyia 20,000+ wɔ mfe 20 nkwa nna mu.
Ɛka a wɔbɔ da so ara yɛ asɛnnennen. Mprempren batere a ɛsen fa mu no bo yɛ $400 kosi $600 wɔ kilowatt-dɔnhwerew biara mu, ɛwom sɛ wɔn a wɔkamfo kyerɛ no ka sɛ ɛsɛ sɛ wɔde eyi toto lithium-ion nhyehyɛe a ɛtra hɔ kyɛ ho, baabi a nsu a ɛsen no bɛyɛ nea akansi wom. Nneɛma a wɔyɛ no kakraa bi ma ɛka kɔ soro, nanso bere a nnwuma pii reyɛ adwuma no, ɛsɛ sɛ sikasɛm a ɛkɔ soro no tu mpɔn.
Nea ɛrepue: Sodium-Ion
Sodium-ion batere di lithium-ion no nneɛma a wɔde ma no mu mmerɛwyɛ ahorow ho dwuma. Sodium ne ade a ɛto so asia a ɛdɔɔso sen biara wɔ Asase so, a woyi fi po mu nsu mu anaasɛ wotu fi nneɛma akɛse a ɛwɔ hɔ mu. Saa dodoɔ yi betumi ama wɔakora ɛka so 15% kɔsi 20% sɛ wɔde toto lithium iron phosphate ho a.
Mfiridwuma no anya nkɔso ntɛmntɛm. Mprempren ahoɔden dodow du 150 Wh/kg-a wɔde toto LFP-bere a ɛkora mfaso horow so wɔ ɔhyew a ɛba fam-adwumayɛ ne ahobammɔ mu. Sodium-ion batere yɛ adwuma yiye wɔ -20℃baabi a lithium-ion di aperepere, na ɛma ɛfata ma awɔw bere a wɔde di dwuma.
Aguadi mu nneɛma a wɔyɛ no renya nkɔanim ntɛmntɛm. Chinafoɔ adwumayɛfoɔ dodoɔ bi ahyɛ aseɛ reyɛ nneɛma pii, na wɔhwɛ kwan sɛ afe afe ahoɔden bɛboro 30 GWh wɔ afe 2025. Dwumadie no twe adwene si nneɛma a wɔkora so a ɛgyina hɔ ne anyinam ahoɔden kar a ne boɔ yɛ mmerɛ so. U.S. Ahoɔden Dwumadibea no hyɛɛ bɔ sɛ wɔde dɔla ɔpepem 50 bɛhyehyɛ Asase so-ion a ɛdɔɔso a ɛho ka sua-ion Storage (LENS) kuw a Argonne National Laboratory di wɔn anim, a ɛkyerɛ sɛ wɔpɛ sɛ wɔyɛ sodium-ion a wɔyɛ wɔ ɔman no mu.
Mfiridwuma mu nsɛnnennen: Sodium ions sõ sen lithium ions, na ɛhwehwɛ sɛ wɔde electrode nneɛma a ɛma nsonsonoe a ɛwɔ kɛse mu yi hyia. Nhwehwɛmufo reyɛ cathode nneɛma foforo-Prussian Blue analogs ne layered oxides-a ɛma wotumi de sodium hyɛ mu yiye na woyi fi mu. Anode nkɔsoɔ twe adwene si carbon nneɛma a ɛyɛ den so ɛfiri sɛ graphite, lithium-ion anode a ɛyɛ gyinapɛn no, ne sodium nyɛ adwuma yie.
Ɛrepue: Solid-Tebea Batere
Batere a ɛyɛ den-tebea de nneɛma a ɛyɛ den-ceramics, polymers, anaa ahwehwɛ si nsu electrolytes ananmu. Saa nsakrae yi hyɛ bɔ sɛ ahoɔden a ɛkɔ soro, charge ntɛmntɛm, ne ahobammɔ a ɛkɔ anim. Electrolytes a ɛyɛ den no ntumi nkɔ anaasɛ ɛnhyew, na eyi asiane a ɛwɔ ogyaframa a ahaw lithium-ion deployments binom no fi hɔ.
Ahoɔden dodow betumi adu 400 Wh/kg anaa nea ɛboro saa, bɛyɛ sɛ mprempren lithium-ion nhyehyɛe ahorow mmɔho abien. Saa nkɔsoɔ yi bɛyɛ nsakraeɛ ama kar a anyinam ahoɔden wom, a ɛbɛtumi ama 500+ akwansin akɔ akyirikyiri. Wɔ nneɛma a wɔkora so a egyina hɔ pintinn ho no, ahoɔden a ɛkɔ soro no kyerɛ sɛ wobetumi de nneɛma pii asie wɔ anammɔn koro no ara mu.
Nneɛma a wɔyɛ da so ara yɛ akwanside titiriw. Ɛda adi sɛ ɛyɛ den sɛ wɔbɛbɔ electrolyte a ɛyɛ den a ɛyɛ tratraa na ɛyɛ pɛ wɔ nsenia so. Interface resistance a ɛda solid electrolyte ne electrode nneɛma ntam no brɛ adwumayɛ ase. Nnwumakuw pii kyerɛ sɛ wɔadi saa nsɛnnennen yi so, na wɔafi ase ayɛ nneɛma a wɔde bɛyɛ nhwehwɛmu wɔ afe 2024-2025 mu. QuantumScape, Solid Power, ne Samsung de nhyehyɛe a wɔayɛ sɛ wɔbɛyɛ aguadi mu nneɛma wɔ afe 2026-2027 mu no ato gua, ɛwom sɛ nnwuma mu adwumayɛfo a wɔadi ako da so ara yɛ ahwɛyiye wɔ saa bere nhyehyɛe yi ho de.
Ankasa-Wiase Dwumadi ne Adwumayɛ
Sɛnea BESS yɛ adwuma wɔ deployments ankasa mu ntease kyerɛ tumi ne anohyeto ahorow.
Grid Frequency Mmara a Wɔde Di Dwuma
UK battery a wɔde sie no kɔɔ soro 509% firi afe 2020 kɔsi afe 2025, na ɛduruu 6,872 MW. Saa nhyehyɛe yi hwɛ grid no 50 Hz frequency so denam mmuae a wɔde ma wɔ micro-nsakrae a ɛba wɔ milisekɔn mu no so. Sɛ frequency kɔ fam sen 50 Hz (a ɛkyerɛ sɛ nea wɔhwehwɛ no boro nea wɔde ma so) a, batere ahorow no de ahoɔden hyɛ mu. Sɛ frequency boro 50 Hz (excess supply) a, batere twetwe ahoɔden.
Ná mfiri a wɔde yɛ anyinam ahoɔden a wɔde di dwuma wɔ amanne kwan so no gye sikani pii na ama wɔatumi ayɛ nsakrae wɔ nea efi mu ba no mu bere a turbine akɛse no reyɛ ntɛmntɛm anaasɛ ɛrebrɛ ase no. Batere nhyehyɛe ahorow yɛ wɔn ade wɔ nea ennu milisekɔn 100 mu, na ɛmma frequency deviations ntumi nkɔ nsɛm a ɛtrɛw a ɛfa sɛnea nneɛma gyina pintinn ho no mu. National Grid nam frequency response gua so tua saa dwumadie yi ho ka, na ɛma battery wuranom nya sika.
Ahoɔden a Wɔyɛ Foforo a Wɔde Bɛka Abom
Texas nyaa batere nkɔsoɔ a ɛyɛ nwonwa, ɛde bɛboro 5 GW kaa ho wɔ afe 2024. Saa nneɛma a wɔde ahyɛ mu yi di ɔman no mframa awoɔ ntoatoasoɔ nhyehyɛeɛ-anadwo mframa a ano yɛ den ho dwuma berɛ a ahwehwɛdeɛ sua. Battery ahorow no charge wɔ saa nnɔnhwerew a ne bo yɛ mmerɛw-bo yi mu na ɛbɔ wɔ awiabere a ɛdɔɔso sen biara bere a mframa a wɔde yɛ adwuma ma ahwehwɛde no yɛ kɛse no.
100 MW / 400 MWh adwumayɛbea a ɛwɔ West Texas no kyerɛ sikasɛm. Dwumadie no tɔ ahoɔden $20 wɔ MWh biara mu wɔ nnɔnhwereɛ a wɔhwehwɛ pii mu na wɔtɔn $80 kɔsi $150 wɔ MWh biara mu wɔ nnɔnhwereɛ a nnipa pii wɔ mu. Bere a wɔabu akontaa afa round-trip efficiency losses a ɛyɛ bɛyɛ 15% akyi no, adwumayɛbea no nya sika pa fi saa arbitrage yi nkutoo mu, ansa na wɔasusuw ancillary service sika a wonya ho.
Electric Kar a Wɔde Bɔ Ka
Battery storage redi grid connection asɛnnennen no ho dwuma ama EV charging ntɛmntɛm. Mmeae pii a eye a wɔde charge charge-kar kwan so nnwuma, retail parks-enni grid tumi a ɛdɔɔso ma 350 kW fast chargers pii. Sɛ wɔde grid ahoɔden a ɛfata bɛka abom a, ebetumi agye dɔla 500,000 kosi dɔla ɔpepem 2 na ebehia sɛ wɔde mfe pii ma ho kwan.
Batere a ɛyɛ 1 MWh tumi trickle-charge fi grid connection a ɛnyɛ den mu wɔ off{2}}peak nnɔnhwerew mu bere a anyinam ahoɔden bo yɛ $0.06 wɔ kWh biara mu, afei ɛbɔ wɔ bo a ɛkorɔn mu de ma charger ahorow pii a ɛyɛ ntɛmntɛm bere koro mu. Battery no twetwe ahoɔden a wɔhwehwɛ ntɛm ara bere a grid nkitahodi no ma ahoɔden a wɔkyekyem pɛpɛɛpɛ no. Saa nhyehyɛe yi dan beae a anka ɛrentumi nyɛ adwuma no ma ɛbɛyɛ charging hub a mfaso wɔ so.
Prolectric ProCharge nhyehyɛe no ka 120 kWh storage ne owia ahoɔden a wɔaka abom wɔ containerized unit mu bom. Nhyehyɛe no de ahoɔden a ɛmma mframa bɔne biara nkɔ adansi mmeae ne mmeae a ɛwɔ akyirikyiri, na ɛsesa diesel generators a ebia ɛde lita 40 kosi 60 da biara. Adwumayɛ ho asɛm no yɛ adwuma: diesel pɛtro bo yɛ $1.50 kosi $2.00 wɔ lita biara mu, bere a owia ahoɔden a wɔde tua ho ka no yɛ nea wontua hwee wɔ ɔkwan a etu mpɔn so wɔ sika kɛse a wɔde ahyɛ mu mfiase no akyi.
Microgrid ne Backup Tumi
Data centers gyina hɔ ma backup power applications a ɛyɛ den sen biara no mu biako. Saa mmeae yi hwehwɛ 99.999% bere a wɔde yɛ adwuma ("num anum"), a ɛma kwan ma wɔde simma 5.26 pɛ yɛ adwuma afe biara. Amanneɛ kwan so backup no de ne ho to diesel generators a ɛwɔ sikani 10 kosi 30 a wɔde fi ase, a lead-acid UPS nhyehyɛe ahorow kata so.
Lithium-ion BESS ma ano aduru a ɛkorɔn. Battery no yɛ ho biribi ntɛm ara wɔ anyinam ahoɔden a ɛyɛ basaa ho-bere biara nni hɔ a wɔde befi ase-na ebetumi akura data center no mu wɔ generator no mfiase bere tiaa bi mu sɛ generators no kɔ so yɛ backup a. Sɛnea ɛbɛyɛ foforo no, batere a ne kɛse fata betumi ayi generators afi hɔ koraa wɔ nnɔnhwerew 2 kosi 4 a ɛho hia kosi sɛ grid ahoɔden bɛsan aba.
Cloud providers atitiriw pii de BESS adi dwuma de asi diesel generators ananmu wɔ data centers. Battery nhyehyɛe ahorow no ma ahoɔden a eye (ɛnyɛ nsakrae biara wɔ voltage bere a wɔrefi ase generator no), ɛtew nsiesie ho ka so, na ɛde wɔn ho hyɛ grid services gua ahorow mu bere a wɔreyɛ adwuma daa, na ɛma wonya sika fi agyapade bi a anka ɛbɛtra hɔ a ɛnyɛ hwee mu.
Ka a Wɔbɔ Ho Nhwehwɛmu ne Sikasɛm mu Nsusuwii
Sikasɛm a ɛwɔ batere a wɔde sie mu no anya nkɔso kɛse, na ama nnwuma ahorow atumi ayɛ yiye wɔ nneɛma pii mu.
Kapital ne Adwumayɛ ho Ka
Atrae nhyehyɛe ahorow no bo yɛ $600 kosi $1,000 wɔ kilowatt-dɔnhwerew biara mu a nea ɛka ho ne nea wɔde besisi hɔ, inverter, ne anyinam ahoɔden adwuma. 10 kWh nhyehyɛe a ne nyinaa yɛ $8,000 kosi $12,000 ansa na wɔde nkannyan ama. Federal Investment Tax Credit no de 30% san ma, na ɛtew ɛka a wɔbɔ no so kɔ $5,600 kosi $8,400. Aman binom de sika a wɔde tua ho ka ka ho-California, Massachusetts, ne New York de $800 kosi $2,000 ma de kanyan afoforo.
Aguadi nhyehyɛe ahorow nya sikasɛm a ɛkɔ soro. KWh 500 a wɔde besisi hɔ no betumi agye $350 kosi $500 wɔ kilowatt-dɔnhwerew biara a wɔde ahyɛ mu koraa no mu. Adwumayɛ ho ka yɛ 1% kɔsi 2% wɔ sika kɛseɛ a wɔbɔ no mu afe biara, a ɛfa nhwehwɛmu, nsiesie, ne awieeɛ koraa no, nneɛma a wɔde besi ananmu no ho.
Utility-scale ka so atew ntɛmntɛm sen biara. $334/kWh akontabuo a ɛfa nnɔnhwereɛ 4-nhyehyɛeɛ wɔ afe 2024 mu no gyina hɔ ma 40% a ɛso ate firi afe 2020. Ɛtɔ da bi a nnwuma a ɛboro 100 MWh no nya ɛka a ɛba fam sen $300/kWh. Chinafoɔ boɔ adu $66/kWh wɔ batere a wɔde abɔ ho ne tumi a wɔdannan nhyehyɛeɛ ho, ɛwom sɛ yei nka balance-of-system ka ho.
Asetra mu nsɛm a wosusuw ho: Round-akwantuo a ɛyɛ adwuma yie-ahoɔden a ɛfiri mu a wɔakyekyɛ mu denam ahoɔden a ɛwɔ- mu no taa firi 85% kɔsi 92% ma lithium-ion nhyehyɛeɛ. Battery a ɛyɛ adwuma yie 90% no hwere ahoɔden 10% ma ɔhyew ne nsakraeɛ a ɛyera wɔ charge-discharge cycle biara mu. Bɛboro mfe 10 ne kyinhyia 3,650 mu no, saa adwumayɛ a etu mpɔn yi yɛ kɛse. Flow batteries nya 70% kɔsi 80% efficiency nanso ɛtua ka denam nkwa tenten ne ɔsɛeɛ a ɛba fam so.
Hokwan a Ɛma Wonya Sika a Wonya
Utility-scale projects nya sika a wonya no pii. Frequency regulation gua ahorow tua ka ma mmuae ntɛmntɛm tumi. Wɔ PJM Interconnection (a ɛka Apuei fam aman 13 ho), frequency regulation boɔ yɛ $15 kɔsi $25 wɔ megawatt biara mu dɔnhwerew biara wɔ afe 2024. Batere a ɛyɛ 100 MW a ɛma nnɔnhwerew 2 mmara da biara da no ma $1.1 ɔpepem kɔsi $1.8 ɔpepem afe biara firi saa dwumadie yi nko ara mu.
Energy arbitrage ma sika a wonya no yɛ kɛse. Boɔ a ɛtrɛw wɔ off-peak ne on{2}}peak nnɔnhwerew ntam no atrɛw bere a renewable penetration kɔ soro no. CAISO (California) hunuu sɛ trɛw taa boro $50/MWh wɔ ahohuru bere mu wɔ afe 2024 mu, na ɛtɔ mmere bi a nsɛm a esisi no du $100/MWh. 100 MW / 400 MWh adwumayɛbea a ɛkyere $40/MWh trɛw pɛnkoro da biara bere a ɛyɛ adwuma nnafua 300 afe biara no nya $12 ɔpepem wɔ arbitrage sika mu.
Tumi a wotua ma wonya sika a wonya fi mfiase a ɛyɛ den. Mpɔtam grid adwumayɛfoɔ tua ka wɔ tumi a wɔahyɛ ho bɔ a ɛwɔ hɔ no ho. ERCOT (Texas) tumi boɔ duu $200 kɔsi $300 wɔ kilowatt-afe biara mu wɔ afe 2024 mu, a ɛnam sika a wɔde asie a ɛyɛ den so. Batere a ɛyɛ 100 MW a ɛbɔ tumi ho ban no nya dɔla ɔpepem 20 kosi ɔpepem 30 afe biara.
Sikasɛm Ho Nhyehyɛe Ahorow
Dwumadie sika a wɔde ma utility-scale BESS taa hwehwɛ sɛ wɔde ɛka ho dwumadie a wɔde tua ho ka mmɔho 1.3 kɔsi 1.4, a ɛkyerɛ sɛ ɛsɛ sɛ afe afe sika a wɔnya no boro ɛka a wɔtua so 30% kɔsi 40%. Wɔn a wɔde bosea ma no hwɛ sika a wobenya no mu ahotoso-nnwuma a ɛwɔ bere tenten- apam no nya nsɛm a eye sen aguadifo nnwuma a egyina gua so sika a ɛyɛ basaa so.
Mfasoɔ a ɛwɔ battery nnwuma mu no firi 5% kɔsi 8% ma investment-grade borrowers wɔ nnansa yi mfeɛ mu. Nnwuma no mu mfasoɔ nyinaa a wɔde asi wɔn ani so 10% kɔsi 15% Internal Rate of Return ma nnwuma no yɛ nea ɛyɛ anigyeɛ ma wɔn a wɔde wɔn sika hyɛ nnwuma mu ne wɔn a wɔyɛ ahoɔden a wɔyɛ no foforɔ.
Aguadi mu adetɔfo taa di nnipa a wɔto so abiɛsa-adwumayɛfo wurayɛ nhwɛso ahorow akyi. Batere adwumakuw bi na ɛde nhyehyɛe no si hɔ na ɛyɛ ne wura, na wɔtɔn nnwuma ma adwuma no denam tumi a wɔbɛtɔ ho apam anaasɛ apam a wɔde hwɛ sɛnea wɔbɔ ka a wɔhwehwɛ so. Adwuma no kwati sika kɛse a wɔsɛe no ansa na wɔagye bere a ɛgye sikasɛm mu mfasoɔ no 50% kɔsi 70%. Batere wura no de sika yɛ agyapade no na ɔhwɛ mfiridwuma mu nsɛnnennen no so.
Mfiridwuma mu Nsɛnnennen ne Anohyeto Ahorow
Ɛmfa ho nkɔso ntɛmntɛm no, batere a wɔde sie no hyia anohyeto ahorow pii a ɛkyerɛ gyinaesi ahorow a ɛfa sɛnea wɔde bedi dwuma ho.
Ahobammɔ ne Ogya Ho Asiane
Batere adwuma no ama ahobammɔ atu mpɔn kɛse. Ogya a ɛsisiiɛ dodoɔ so teɛ wɔ afe 2024 mu, na nsɛm a ɛho hia anum pɛ na ɛsiiɛ wɔ wiase nyinaa-abiɛsa wɔ U.S., baako wɔ Japan, baako wɔ Singapore. Eyi gyina hɔ ma nkɔso kɛse esiane gigawatt- nnɔnhwerew ɔhaha pii a wɔde adi dwuma nti.
Abakɔsɛm mu huammɔdi ɔha biara mu du-baako sii wɔ battery cells ankasa mu, bere a 89% fa controls ne balance-of-system components ho. Saa nkyekyɛmu yi si so dua sɛ nhyehyɛe a wɔde ka bom ho hia te sɛ nkwammoaa mu nnuruyɛ. Nneɛma a wɔde hwɛ ɔhyew so, mfiri a wɔde siw ogya ano, ne softwea a wɔde hwɛ batere so nyinaa boa ma wɔde di dwuma dwoodwoo.
Mprempren UL 9540A ne NFPA 855 gyinapɛn ahorow na ɛkyerɛ ogya sɔhwɛ ne ahwehwɛde ahorow a wɔde si hɔ ma BESS akɛse. Saa gyinapɛn ahorow yi hyɛ sɛ wɔnsɔ ɔhyew a guankɔbea trɛw no hwɛ, wɔnyɛ nhyehyɛe a wɔde hu mframa, ne nhyehyɛe a wɔde siw ogya ano a ne kɛse betumi akura module ankorankoro huammɔdi ahorow mu. Mmara a wodi so no de ɛka-bɛyɛ 5% kosi 8% ka adwuma no ho ka nyinaa ho-nanso ɛma ahobammɔ ho awerɛhyem a ɛho hia.
Grid Nkabom a Ɛyɛ Nsɛnnennen
Batere a wɔde sie a wɔde bɛka grid no ho no hwehwɛ sɛ wɔyɛ mfiridwuma ne mmara mu nsɛnnennen. Ɛsɛ sɛ inverter controls di grid codes a ɛkyerɛ voltage ranges, frequency response, ne fault behavior so. Grid adwumayɛfoɔ ahodoɔ de ahwehwɛdeɛ ahodoɔ to hɔ, na sɔhwɛ a ɛfa mmara sodie ho no bɛtumi de asram 6 kɔsi 12 aka adwuma no berɛ nhyehyɛeɛ ho.
Supply-chain anohyeto ahorow puei sɛ ade a ɛto ano hye. Lithium ne graphite dwumadie tumi dii apere sɛ ɛbɛkɔ so ne ahwehwɛdeɛ a ɛkɔɔ soro wɔ afe 2023-2024 mu no bɛbɔ anan. Bere a wɔde dii batere module ahorow no trɛw fii asram 4 koduu asram 10 bere a wɔn a wɔyɛ no trɛw ne yɛ mu no. Saa anohyeto ahorow yi rebrɛ ase nkakrankakra bere a gigafactories foforo ba Intanɛt so no, nanso nsɛnnennen a ɛba bere ne bere mu no da so ara wɔ hɔ.
Guadi ne Nhyehyɛe a Ɛnyɛ Yiye
Mmara nhyehyɛe ahorow no ne mfiridwuma mu nkɔso nkɔ so. Mpɔtam pii nni mmara a emu da hɔ a ɛfa sɛnea batere a wɔde sie no nya kyɛfa wɔ anyinam ahoɔden gua ahorow mu ho. So batere betumi ama ahoɔden ne ahoɔden nyinaa ayɛ adwuma bere koro mu? Ɔkwan bɛn so na ɛsɛ sɛ wotua nhyehyɛe ahorow ka wɔ nnwuma pii ho? Saa nsemmisa yi da so ara yɛ nea wonnyaa ho mmuae wɔ tumidi ahorow bi mu, na ɛde sikasɛm mu adwenem naayɛ ba.
US One Big Beautiful Bill Act no de nhyehyɛe a wontumi nsi pi bae wɔ nnwuma a wobefi ase asi wɔ afe 2025 akyi no ho.Bere a mmara a etwa to no kuraa ahoɔden a wɔkora so ho nkuranhyɛ dodow no ara mu no, akyinnyegye no kyerɛɛ sɛnea nhyehyɛe mu nsakrae betumi aka adwuma no sikasɛm. Ɛsɛ sɛ developers yɛ nhwɛsoɔ wɔ mmoa a ɛbɛtumi atew so anaa toɔ a wɔbɛtew so phase-outs bere a wɔresusuw mfasoɔ ho.
Aguadi ho nhyehyɛe de nsɛm a ɛyɛ den ka ho. Tow a wɔbɔ wɔ battery afã horow a efi aman bi so no betumi ama ɛka a wɔbɔ no akɔ soro 15% kosi 25%. Ofie mu nsɛm a wɔhwehwɛ-a ɛhyɛ sɛ adwuma no boɔ ɔha mu nkyekyɛmu firi ɔman no mu nneɛma a wɔyɛ mu-de nsɛnnennen ba nneɛma a wɔde ma mu berɛ a ɛboa mpɔtam hɔ nnwuma nkɔsoɔ.
Daakye Nsusuwii ne Nneɛma Foforo a Wɔbɛyɛ
Mfiridwuma mu nkɔso pii bɛsan asiesie batere a wɔde sie wɔ mfe a ɛreba no mu.
Tenten-Bere tenten a Wɔde Sie
Bere tenten a wɔde di dwuma no abɛyɛ ade titiriw. Bere a batere a ɛyɛ nnɔnhwerew 4- di grid ahiade pii ho dwuma no, bere mu nneɛma a wɔkora so ne nna pii a wɔde sie hwehwɛ nnɔnhwerew 8 kosi 100+ nhyehyɛe. Mfiridwuma a wɔde wɔn ani asi ahiade yi so no bi ne:
Mframa a wɔahyɛ no den ahoɔden a wɔkora so no de ahoɔden a ɛboro so di dwuma de mia mframa kɔ asase ase abodan mu. Sɛ ɛho hia sɛ anyinam ahoɔden a, mframa a wɔahyɛ no den no ma turbine ahorow no ma anyinam ahoɔden ba. Nnwuma ahorow no sie megawatt- nnɔnhwerew ɔhaha pii kosi gigawatt- nnɔnhwerew pii ahoɔden so, ɛwom sɛ akwantu a ɛkɔ baabiara-a ɛyɛ 60% kosi 70% to sikasɛm ano hye de.
Gravity-gyina storage systems ma nneɛma a emu yɛ duru-concrete blocks anaa nsu-ma so de sie ahoɔden. Green Gravity a ɛwɔ Australia no reyɛ nhyehyɛe ahorow wɔ atopae a wɔmfa nni dwuma bio mu, a wɔma nneɛma a emu duru so na wɔtew so de sie ahoɔden na wɔayi afi mu. Saa nhyehyɛe ahorow yi betumi ayɛ adwuma yiye 80% a ɛnyɛ nea ɛsɛe ade ketewaa bi wɔ mfe du du pii mu.
Ɔhyew a wɔkora so no kyere ahoɔden sɛ ɔhyew anaa awɔw. Finland Polar Night Energy sie ahoɔden 8 MWh denam anhwea a ɛma ɛyɛ hyew kodu digrii 500 , afei wɔde saa ɔhyew no yɛ ɔmantam mu ɔhyew nhyehyɛe ahorow so. Saa kwan yi som niche applications nanso ɛrensi electrochemical storage ananmu mma grid services dodow no ara.
Nneɛma a Wɔyɛ no Scale-Up
Batere a wɔyɛ no renya nkɔanim ntɛmntɛm. Wiase nyinaa lithium-ion a wɔyɛ no boroo 1,200 GWh wɔ afe 2024 mu na wɔhwɛ kwan sɛ ɛbɛduru 3,000 GWh wɔ afe 2030. Saa ntrɛmu yi a ɛkɔ so wɔ China, South Korea, na ɛrekɔ soro wɔ Europa ne Amerika Atifi fam no bɛma wɔakɔ so atew ɛka so denam sikasɛm a ɛkɔ soro so.
Nea ɛka U.S. Inflation Reduction Act no dɔla ɔpepepem 370 a wɔde bɛto ahoɔden a ɛho tew mu no ho ne mmoa kɛse a wɔde bɛma wɔ ɔman no mu batere a wɔyɛ ho. Towtua a wɔde ma no ma ɛkɔ $45 kilowatt-dɔnhwerew biara ma batere nkwammoaa a wɔyɛ wɔ ɔman no mu, na ebetumi ama U.S. nneɛma a wɔyɛ ho ka-ayɛ nea ɛne nea wɔde fi amannɔne ba no asi akan. Gigafactories pii bubuu fam wɔ afe 2023-2024 mu, na wɔhyɛɛ aseɛ yɛɛ adwuma wɔ afe 2025-2026 mu.
Software ne Nneɛma a Wɔyɛ no Yiye
Software a ɛkɔ anim renya mfaso pii afi hardware a ɛwɔ hɔ dedaw no mu. Mfiri adesua algorithms kyerɛ anyinam ahoɔden bo na ɛma charge-discharge nhyehyɛe yɛ papa sɛnea ɛfata. Nhyehyɛeɛ binom nya sikasɛm mu nkɔsoɔ a ɛyɛ papa 10% kɔsi 15% denam optimization a ɛyɛ nwonwa so sɛ wɔde toto mmara-gyinasoɔ control strategies ho a.
Virtual power plants boaboa battery ahode a wɔakyekyɛ ano, na ɛma atrae ne aguadi nhyehyɛe nketewa tumi de wɔn ho hyɛ gua ahorow a wɔtɔn nneɛma akɛse mu. Ebia adwumakuw bi a wɔde anyinam ahoɔden yɛ adwuma ayɛ ofie batere 1,000 a ne nyinaa yɛ MWh 10 no ho nhyehyɛe, na wɔaka abom de akɔma sɛ wɔmfa anyinam ahoɔden ho nnwuma mma. Saa kwan yi ma batere nketewa a ankorankoro antumi ankɔ saa gua ahorow yi so nya sika.
Batere a ɛbɛsɛe ho nkɔmhyɛ atu mpɔn kɛse. Nhyehyɛe ahorow a wɔde hwɛ nneɛma so di ankorankoro nkwammoaa ahoɔden, ɔhyew, ne tebea-a -chare akyi de kyerɛ nkwa nna a aka. Saa data yi bɔ adwumayɛ ho akwan-a ɛtew nsuo a ɛfiri mu no so anaasɛ ɛto nsuo a ɛkɔ mu no ano hyeɛ de trɛw nkwa nna mu berɛ a ɛyɛ sikasɛm mu mfasoɔ. Nsiesiei a wɔahyɛ ho nkɔm siw huammɔdi a wɔnhwɛ kwan a ebetumi asɛe sika-adwuma a ɛma wonya sika no ano.
Nsɛm a Wɔtaa Bisa
Batere ahoɔden a wɔkora so no nkwa nna yɛ dɛn?
Lithium-ion batere a wɔde sie baabiara no taa di mfe 10 kosi 15, a egyina sɛnea wɔde di dwuma ne nnuruyɛ so. LFP batere taa nya kyinhyia 10,000 wɔ 80% depth of discharge, a ɛkyerɛ ase bɛyɛ mfe 12 kosi 15 sɛ cycle da biara da. Battery nhyehyɛe no ho hia kɛse-nhyehyɛe a ɛkwati ɔhyew a ano yɛ den na ɛto charge a edi mũ-discharge cycles ano hye no trɛw adwumayɛ nkwa nna mu. Wɔn a wɔyɛ no dodow no ara de atrae nhyehyɛe ahorow ho bɔhyɛ ma mfe 10 a wɔahyɛ bɔ sɛ ɛbɛtumi ayɛ adwuma 37.8 MWh (mfeɛ 10 × 10.35 kWh da biara da) kɔsi 60 MWh.
Sɛ wɔde batere a wɔkora so ho ka toto akwan afoforo a wɔfa so sie ahoɔden ho a, ɛyɛ dɛn?
Lithium-ion battery storage mprempren bo yɛ $300 kosi $400 kilowatt-dɔnhwerew biara ma utility-scale installations, a ɛma nnɔnhwerew 4 kosi 6 bere tenten. Nsuo mu anyinam ahoɔden a wɔde pɔmpɛ sie no bo yɛ $100 kɔsi $200 wɔ kilowatt-dɔnhwereɛ biara mu nanso ɛhia asase pɔtee-mmepɔ a nsuo fibea-ne nnɔnhwereɛ 8 kɔsi 12 a ɛkyɛ. Flow battery bo yɛ $400 kosi $600 kilowatt-dɔnhwerew biara nanso ɛma nnɔnhwerew 8 kosi 12 ne 20+ afe nkwa nna. Wɔ dwumadie a ɛkyɛ-bere tiawa (a ɛwɔ nnɔnhwereɛ 6 ase) mu no, lithium-ion de ɛka a ɛba fam koraa a wɔahyɛ da ayɛ no ma. Wɔ bere tenten mu no, nneɛma a wɔde si ananmu no bɛyɛ nea akansi wom.
So batere a wɔde sie betumi ayɛ adwuma wɔ ɔhyew a ano yɛ den mu?
Ɔhyew a wɔde yɛ adwuma no ka battery no adwumayɛ ne ne nkwa nna. Lithium-ion nhyehyɛe dodow no ara kyerɛ -digrii 10 kosi digrii 45 adwumayɛ kwan. Wɔ saa anohyeto ahorow yi akyi no, tumi so tew na ɔsɛe kɔ ntɛmntɛm. Wim tebea a awɔw wom hwehwɛ sɛ wɔde ɔhyew nhyehyɛe ahorow di dwuma na ama ɔhyew a ɛba fam koraa no akɔ so, na ɛsɛe ahoɔden na ɛtew adwumayɛ so. Wim tebea a ɛyɛ hyew hwehwɛ onwini a ɛyɛ den-nsu a ɛma onwini nhyehyɛe ahorow no kura ɔhyew a eye sen biara mu yiye sen mframa a ɛma onwini wɔ ɔhyew a ano yɛ den mu. Sodium-ion batere yɛ adwuma yiye wɔ -20℃, na ɛma mfaso horow ma awɔw-wim tebea a wɔde di dwuma. Lithium-ion nnuru titiriw bi trɛw adwumayɛ mu kɔ -30 digrii kosi 60 digrii nanso wɔbɔ ka kɛse.
Ɔkwan bɛn so na batere a wɔde sie no nya anyinam ahoɔden ho ka so nkɛntɛnso?
Batere a ɛwɔ atrae no tew ka so denam bere-de{1}}de di dwuma shifting-charging bere a rates sua ne discharged wɔ nnɔnhwerew a ne bo yɛ den a nnipa pii kɔ mu no so. Ofie a wotua $0.30 wɔ kWh biara mu wɔ-peak ne $0.12 off-peak betumi akora $0.18 wɔ kWh biara a wɔasesa mu. Batere a ɛyɛ kWh 10 a wɔde fa sakre so da biara no, ɛmma sika bɛyɛ dɔla 650 afe biara. Aguadi nhyehyɛe ahorow nya sika kɛse a wɔde sie denam sika a wɔhwehwɛ a wɔtew so. Adwumayɛbea a wotua $15 wɔ kilowatt biara a wɔhwehwɛ no kɛse ho no betumi akora $45,000 afe biara denam batere a ɛyɛ 250 kW a wɔde bedi dwuma de atew ahwehwɛde a ɛsen biara so kW-asram 3,000 (250 kW × asram 12) so. Bere a wɔde tua ka no fi mfe 5 kosi 8 a egyina anyinam ahoɔden bo ne nea wɔde kanyan nkurɔfo so.
Battery ahoɔden ano aduru afi niche mfiridwuma so akɔ mainstream infrastructure a ɛho hia ma grid ahoɔden ne ahoɔden a wɔyɛ no foforo a wɔde bɛka abom. Guadidan no ntrɛwmu ntɛmntɛm-fi dɔla ɔpepepem 20 wɔ afe 2024 mu kɔɔ dɔla ɔpepepem 90-114 a wɔahyɛ ho nkɔm wɔ afe 2032 mu-da ɛka a ɛrekɔ fam ne bo a wɔgye tom a ɛrenya nkɔanim wɔ nneɛma a wɔkora so no nyinaa adi. Bere a lithium-ion batere di mprempren dwumadie so no, mfiridwuma a ɛreba te sɛ sodium-ion ne solid-state nhyehyɛeɛ hyɛ bɔ sɛ wɔbɛkɔ so ayɛ nneɛma foforɔ.
Ɔkwan a egyina scale-gyina so no ma paw mu da hɔ: atrae nhyehyɛe a ɛwɔ 30 kWh ase no de ahoɔden a wɔde si akyi ne owia ahoɔden a wɔde ka bom di kan, aguadi nhyehyɛe a ɛwɔ 30 kWh ne 10 MWh ntam no twe adwene si ɛka a wɔbɛtew so denam peak shaving ne arbitrage so, ne utility-scale installations a ɛboro 10 MWh ma grid services bere a ɛka ahoɔden a wɔyɛ no foforo bom. Mfiridwuma mu nsɛnnennen a ɛfa ahobanbɔ, grid nkabom, ne nhyehyɛe a wontumi nsi pi ho no da so ara nanso wɔredi ho dwuma nkakrankakra denam gyinapɛn ahorow a wɔatu mpɔn, nneɛma a wɔyɛ a wɔatrɛw mu, ne mmara nhyehyɛe a wɔayɛ no yiye so.