Lithium batere nhyehyɛe a wɔde sie ahoɔden no taa di mfe 10 kosi 15 wɔ atrae ne aguadi mu, ɛwom sɛ ɛsono ne nkwa nna kɛse a egyina nnuruyɛ su, adwumayɛ tebea, ne sɛnea wɔde di dwuma so de. Nnɛyi nhyehyɛe ahorow taa di charge cycles 6,000 kosi 10,000 ho dwuma ansa na wɔahyia tumi a wɔsɛe no kɛse, a lithium iron phosphate (LFP) battery a ɛyɛ fɛ no kura bɛyɛ 60% wɔ battery ahoɔden a wɔkora so gua so kyɛfa esiane wɔn nkwa nna a ɛtrɛw nti.
Battery Nkwa Tenten a Wɔte ase denam Chemistry so
Nnuru a ɛwɔ wo batere mu no titiriw na ɛkyerɛ bere tenten a ɛbɛsom wo. Lithium-ion batere ma ahoɔden a ɛyɛ den a efi watt- nnɔnhwerew 150 kosi 300 wɔ kilogram biara mu na etumi gyina charge cycles 500 kosi 3,000 ano a egyina wɔn chemistry pɔtee so, sɛ wɔde toto lead-acid battery a ɛsɛe wɔ cycle 200 kosi 1,000 pɛ akyi no ho a.
Lithium Iron Phosphate (LiFePO4) batere da nsow ma ofie nneɛma a wɔde sie esiane ahobammɔ, baabi a enni, ne kyinhyia nkwa a wotumi de ho to so nti. Nsonsonoe no ho hia sen sɛnea ebia wubesusuw. Bere a batere a ɛsɛe kɛse taa ba ntɛm ara wɔ kyinhyia 2,000 mu wɔ lithium-ion nnuru bi nkwa nna mu no, nickel-hydrogen batere nnuru de mfe 30 nkwa nna a ɛyɛ kyinhyia 30,000 ma na ɛda so ara tumi de 86% tumi ma wɔ kyinhyia 30,000 akyi.
Chemistry Nhwehwɛmu a Wɔde Di Dwuma
Lithium-ion nnuru abiɛsa na ɛhyɛ nnɛyi ahoɔden a wɔkora so gua so:
Lithium Dade a Wɔde Yɛ Nneɛma (LFP) .batere di yiye wɔ nneɛma a wɔde sie baabiara mu. LFP batere renya agye din esiane ahobammɔ, ɔhyew a ɛyɛ den, ne nkwa nna tenten nti, titiriw wɔ nneɛma a wɔde sie a enhinhim mu. Wɔn nnuru nhyehyɛe no ko tia nsɛm a esisi a ɛma woguan fi ɔhyew mu a ɛhaw lithium nnuru afoforo no, ɛwom sɛ wɔde ahoɔden a ɛyɛ den bi bɔ afɔre ma saa gyinabea yi de.
Nickel Manganese Cobalt (NMC) a wɔde yɛ nneɛma a ɛyɛ fɛ.batere ahorow no de ahoɔden pii gu baabi a ɛnyɛ den nanso ɛhwehwɛ sɛ wɔhwɛ ɔhyew so yiye. Ɛwom sɛ fi tete no, na LFP batere bo yɛ den sen NMC de de, nanso mprempren ne bo ayɛ pɛ, na wɔn a wɔtɔn no hwɛ no yiye bere a ogya ahobammɔ ho mmara reyɛ katee no.
Lithium Nickel Cobalt Aluminum Oxide (NCA) a wɔde yɛ nneɛma a ɛyɛ fɛ.batere pia ahoɔden a ɛyɛ den no kɔ soro mpo nanso ɛma ɛho ka yɛ tiaa sɛ ɛbɛkyɛ. Saa nnuru yi nya ne dɛ wɔ nneɛma a wɔde di dwuma a emu duru ne ahunmu ho hia sen nkwa tenten.
Nneɛma Abiɛsa a Ɛma Batere Mpanyin
Battery a ɛsɛe no nkɔ so pɛpɛɛpɛ. Wɔ Ɔfã I mu no, nneɛma a wɔyɛ no tebea di dwuma titiriw, a ntɛm{1}}kyinhyia tumi kɔ soro a ɛno akyi no, ɛso tew esiane SEI layer formation nti. Wɔ Ɔfã II mu no, onyin ho nneɛma te sɛ SEI nyin, electrode a ɛpaapae, ɛpaapae, ne electrolyte a ɛpaapae no ba wɔ ɔkwan a ɛkɔ so daa so. Ɔfã III hu akwahosan tebea a ɛso tew ntɛmntɛm, a ɛnyɛ -linear, titiriw esiane lithium plating nti.
Saa nhyehyɛe a ɛwɔ afã abiɛsa- yi kyerɛkyerɛ nea enti a ɛte sɛ nea batere yɛ adwuma yiye mfe pii ansa na ɛrekɔ fam mpofirim. Mpɛn pii no, wɔn a wɔde di dwuma no nhu ɔfã a edi kan no. Ɔfã a ɛto so abien-a batere dodow no ara de wɔn nkwa nna a mfaso wɔ so dodow no ara di dwuma-kɔ so daa na wotumi hyɛ ho nkɔm. Ɔfã a ɛto so abiɛsa no ba bere a nneɛma a asɛe a aboaboa ano no du baabi a ɛdannan, na ɛma tumi a ɛyera ntɛmntɛm ba no.
Nea Ɛkɔ Batere a Ɛsɛe Ade Mu
Wɔ microscopic level no, nneɛma pii a ɛsɛe ade si akan wɔ tumidi ho. Solid electrolyte interphase (SEI) layer no nyin bere nyinaa wɔ charge cycle biara mu, na ɛdi lithium ions a entumi mmoa bio wɔ ahoɔden a wɔkora so no mu. Electrode nneɛma mu paapae wɔ mfiridwuma mu nhyɛso a ɛne sɛ ɛtrɛw na ɛtwetwe mpɛn pii no ase. Electrolyte molecule ahorow no sɛe, titiriw wɔ ɔhyew a ɛkɔ soro mu, na ɛma mframa fi mu na ɛma batere no mu nnuru no sɛe bio.
Abɔnten so nsakraeɛ pii tumi nya lithium-ion batere nkwa nna so nkɛntɛnsoɔ, a nneɛma te sɛ nsuo a ɛkɔ mu no mu dɔ, charge/discharge rates, cycle count, ne temperature nsakraeɛ anaa ɔhyew tebea a ɛyɛ den di dwuma titire wɔ ɔsɛeɛ a ɛba ntɛmntɛm mu.
Ankasa-Wiase Adwumayɛ ho Nsɛm a Ɛfa Ahoɔden a Wɔkora So Lithium Batere Nhyehyɛe Ho
Nsonsonoe a ɛda aduruyɛdan mu bɔhyɛ ne afuw mu nokwasɛm ntam no taa ma batere wuranom ho dwiriw wɔn. Frequency regulation na ɛnyɛ nea epira kɛse mma battery no, na wɔhwɛɛ kwan sɛ ɛbɛtra ase mfe 12, bere a peak shaving ma enyaa nkwa nna a wɔhwɛ kwan sɛ ɛbɛyɛ mfe 8, a cycle a wɔaka abom no maa tumi a ɛyera ntɛmntɛm.
Eduu afe 2024 no, anyinam ahoɔden kar batere hweree wɔn ahoɔden 1.8% afe biara wɔ tebea a ɛfata mu, na ɛbaa fam fi 2.3% afe biara wɔ afe 2019 mu, na ɛkyerɛ nkɔso a wobetumi asusuw wɔ batere mfiridwuma mu. Saa nkɔso yi fi batere ho nhyehyɛe a eye, nneɛma a wɔyɛ a wɔayɛ no yiye, ne akwan a nyansa wom a wɔfa so de batere bɔ.
Cycle Asetra mu Nokwasɛm Nhwehwɛmu no
Ɛsɛ sɛ batere a wɔde sie a ɛyɛ papa di kyinhyia 6,000 kosi 10,000 ho dwuma ansa na wanya ahoɔden a ɛkɔ fam, a ɛkyerɛ sɛ ɛbɛyɛ bɛyɛ mfe 15 a ɛka ho wɔ kyinhyia biako mu da biara. Nanso dodow yi hwehwɛ sɛ ɛfa nsɛm a ɛfa ho. Kyinhyia nkyerɛ ankasa sɛ wɔbɛbɔ charge ne discharge a edi mũ. Lithium-ion cell a wɔde charge kɔ 4.20V/cell taa de kyinhyia 300–500 ma, nanso sɛ wɔde charge kɔ 4.10V/cell pɛ a, nkwa betumi akyɛ akodu 600–1,000 kyinhyia; Ɛsɛ sɛ 4.0V/cell de kyinhyia 1,200–2,000 ma na ɛsɛ sɛ 3.90V/cell ma kyinhyia 2,400–4,000.
Aguadi no mu da hɔ pefee: 70mV biara a ɛso tew charge voltage no ma tumi no nyinaa so tew ɔha biara mu nkyem 10. Wubetumi anya kyinhyia pii anaasɛ tumi pii wɔ kyinhyia biara mu, nanso ɛntaa mma sɛ abien no nyinaa wɔ dodow a ɛsen biara mu.
Ɔhyew: Nkwa Nna Ho Awudifo a Ahintaw
Batere a ɛwɔ wim a ɛyɛ hyew a ɛboro digrii F 90 no betumi ayɛ hyew dodo, na ɛma batere no nkwa nna yɛ tiaa, bere a ɔhyew a ɛyɛ nwini paa nso ma nkwa nna yɛ tiaa efisɛ ɛsɛ sɛ batere no yɛ adwumaden na ɛyɛ adwuma wɔ ahoɔden a ɛkorɔn mu na ama wɔatumi abɔ no yiye. Adwumayɛbea a eye sen biara no te digrii F 68 ne digrii F 90 ntam ma lithium nnuru dodow no ara.
Electrolyte a ɛte electrode no ntam no sɛe wɔ ɔhyew a ɛkɔ soro mu, na ɛma battery no hwere ne tumi a ɛde lithium-ion shuttling na ɛtew lithium ions dodow a electrode no betumi agye atom wɔ ne nhyehyɛe mu no so.
Aguadi mu ahoɔden a wɔkora so nhyehyɛe ahorow di saa mmerɛwyɛ yi ho dwuma tẽẽ. Nhyehyɛe ahorow a wɔde mfiridwuma mu mframa a wɔde yɛ adwuma ne ɔhyew sensor ahorow ahyɛ mu no hwɛ hu sɛ batere dan no mu hyew kɔ so yɛ digrii Celsius 25 a abɔnten so hyew a ɛsakra mfa ho, na ɛma adwumayɛ nkwa nna ne ahobammɔ tu mpɔn kɛse.
Ɔhyew nkɛntɛnso no yɛ kɛse bere a bere kɔ so no. Battery a ɛyɛ adwuma 10℃F hyew sen nea eye sen biara no nnyɛ mfe 10% ntɛmntɛm kɛkɛ-ɔsɛe no boaboa ano kɛse. Kalenda onyin (ɛsɛe bere a wɔde sie) kɔ so ntɛmntɛm bɛyɛ mmɔho abien wɔ ɔhyew a ɛkɔ soro digrii 10 biara ho, bere mpo a batere no te hɔ a wɔmfa nni dwuma no.
Depth of Discharge ne Charging Nneyɛe
Sɛnea wobɔ wo batere no mu dɔ ansa na woasan abɔ no no ka ne nkwa nna kɛse. Sɛ wokɔ soro sen wo battery no Depth of Discharge a wɔkamfo kyerɛ no a, ebetumi ama ne tumi asɛe ntɛmntɛm bere a bere kɔ so no, ɛwom sɛ nnɛyi battery binom rebɔ 100% DoDs de.
Owia batere dodow no ara yɛ batere a emu dɔ-kyinhyia, a ɛma wotumi yi wɔn ahoɔden a wɔakora so no mu bɛyɛ 80% ansa na wɔasan ahyɛ mu. 20% a aka no yɛ adwuma sɛ buffer a ɛbɔ battery no ho ban fi ɔsɛe ho.
Partial charging de nkwa tenten ho ɔkwan foforo ma. Sɛ wɔde charge level a wɔatew so a ɛyɛ 50% state of charge di dwuma a, ɛma kar lithium-ion battery nkwa nna kɔ soro 44–130% sɛnea nhwehwɛmu a efi Chalmers University of Technology wɔ Sweden kyerɛ no.
Nneɛma a wɔde charge Rate Equation no
Fast charges sɔ wɔn a wɔde di dwuma no hwɛ wɔ ahotɔ mu nanso eyi nkwa tenten ho ka. Batere ahorow a ɛsono ne tumi ne ne din ahorow no wɔ charge ne discharge rate a eye sen biara, na dodow a charge ne discharge rate no kɔ soro no, dodow no ara na battery no cycles sua.
100Ah LFP battery taa yɛ adwuma wɔ standard charge rate a ɛyɛ 0.5C (50 amps), a ɛboa 1C a ɛboro so wɔ nhyɛso ase. 280Ah nkwammoaa yɛ adwuma wɔ 0.2C gyinapɛn rate a 0.5C kɛse. Sɛ ɛboro saa dodow yi so a, ɛma ɔhyew ba, ɛma electrode no mu paapae ntɛmntɛm, na ɛma lithium plating-a ne nyinaa tew tumi so daa.
Guadi Akwantu ne Daakye Nkɔso
Ahoɔden a wɔkora so no kɔ so sakra ntɛmntɛm. US battery a wɔkora so no akɔ soro firi afe 2021 na ɛbɛtumi akɔ soro 89% wɔ afe 2024 awieeɛ, na ɛbɛtrɛ afiri bɛyɛ 16 GW wɔ afe 2023 awieeɛ akɔ bɛboro 30 GW.
2024 NREL Afe afe Mfiridwuma Mfitiaseɛ no gyina hɔ ma lithium-ion batere-titiriw deɛ ɛwɔ nickel manganese cobalt (NMC) ne lithium iron phosphate (LFP) nnuru-a LFP abɛyɛ nnuru titire a wɔde sie baabiara a ɛfiri afe 2022 mu.
Mfiridwuma mu Nkɔso a Ɛreba
Nnansa yi nkɔso a aba wɔ silicon-based anodes, solid-state electrolytes, ne nkwammoaa nhyehyɛe a ɛkɔ anim mu no hyɛ bɔ sɛ ɛbɛpia ahoɔden a ɛyɛ den asen 400 Wh/kg na atrɛw kyinhyia nkwa mu akɔ bɛboro 5000 kyinhyia. Eyinom nyɛ akyirikyiri adaeso-pilot production afi ase dedaw.
Wiase nyinaa lithium-ion battery gua no duu USD ɔpepepem 75.2 wɔ afe 2024 mu na wɔhwɛ kwan sɛ ɛbɛkɔ soro wɔ CAGR a ɛyɛ 15.8% firi afe 2025 kɔsi afe 2034, a ɛnam ahoɔden a wɔkora soɔ a wɔhwehwɛ wɔ anyinam ahoɔden kar nkyɛn nti.
Solid-state batteries gyina hɔ ma ahurututu a ɛho hia sen biara a ɛkɔ anim. Solid-state lithium battery de nneɛma a ɛyɛ den si nsu electrolytes ananmu, a egyina hɔ ma nkɔso a aba wɔ ahobammɔ ne adwumayɛ mu. Nneɛma a wɔyɛe mfiase no kyerɛ sɛnea nneɛma gyina pintinn no atu mpɔn, ogya ho asiane so atew, na ebetumi ama kyinhyia nkwa nna ayɛ mmɔho abien sɛ wɔde toto mprempren lithium-ion mfiridwuma ho a.
Sɛnea Ahoɔden a Wɔkora So Lithium Battery Nea Ɛto so Abien-Nkwa Nkwammoaa Ntrɛwmu Botae
Batere nkwa nna a edi kan no awiei nkyerɛ sɛ mfaso a ɛwɔ so no aba awiei. Ɛwom sɛ nhwɛsoɔ ahodoɔ a wɔde bɛkyerɛ nkwa nna mu akwanhwɛ wɔ hɔ deɛ, nanso ahotosoɔ a ɛrenya nkɔanim wɔ wɔn a wɔde wɔn ho hyɛ mu no mu sɛ wɔbɛtumi asan de batere a ɛba awieeɛ-nkwa nna mu no adi dwuma ama dwumadie a ɛnyɛ den pii, te sɛ ahoɔden a wɔkora so a ɛgyina hɔ, a ɛma mfasoɔ foforɔ wɔ anyinam ahoɔden ne akwantuo mu.
Electric kar batere taa nya pɛnhyen bere a edu 70-80% wɔ mfitiase tumi mu-a level da so ara fata pɛpɛɛpɛ ma grid storage applications baabi a emu duru ho nhia. Saa cascading dwumadie nhwɛsoɔ yi trɛw battery nkwa nna nyinaa mu kɔ mfeɛ 20-25 wɔ dwumadie mmienu mu.
Sikasɛm no repɛ asetra a ɛto so abien-a wɔde di dwuma kɛse. EV batere a wɔde adi dwuma no boɔ sua 40-70% sene batere foforɔ a wɔde sie a ɛgyina hɔ berɛ a ɛde wɔn mfitiaseɛ adwumayɛ 80% ma. Wɔ applications te sɛ peak shaving anaa renewable integration baabi a absolute maximum capacity nyɛ ade titiriw, second-nkwa batere ma compelling bo.
Waranti Nhumu ne Nea Ɔyɛ no Ahotoso
Batere a wɔde sie nhyehyɛe yɛfo dodow no ara de mfe 10 warranty a ɛyɛ gyinapɛn a ɛkata sintɔ ne nea entumi nyɛ adwuma yiye ho ma, na nnwumakuw bi te sɛ Enphase IQ de mfe 15 warranty a ɛyɛ nwonwa ma.
Saa warranty nsɛm yi da ahotoso a wɔn a wɔyɛ no wɔ wɔ wɔn nneɛma mu adi. Mfeɛ 15-warranty a 70% end-of-life tumi kyerɛ sɛ adwumakuo no hwɛ kwan sɛ battery no bɛyɛ adwuma yie wɔ saa berɛ no nyinaa mu. Nanso, ɛsono warranty nsɛm no kɛse wɔ nkyerɛwee a ɛyɛ fɛ no mu. Ebinom hyɛ bɔ sɛ wɔbɛkyinkyin dodow a ɛba fam koraa, afoforo nso ma bere bi, na pii kyerɛ abien no nyinaa.
Dwumadie a ɛyɛ pintinn ne nsiesie ho ka bi ne batere a wɔde bɛhyɛ mu den, a ɛma nhyehyɛeɛ no tumi yɛ adwuma wɔ ne tumi a wɔahyɛ ato hɔ wɔ ne mfeɛ 15 nkwa nna nyinaa mu, a wɔbu akontaa sɛ ɛyɛ 2.5% wɔ ka kɛseɛ a wɔbɔ no mu. Saa ɛka a ɛkɔ so yi da nokwasɛm a ɛyɛ sɛ adwumayɛ a ɛsen biara a wɔbɛkɔ so akura mu no hwehwɛ sɛ wɔsesa nneɛma a ɛwom bere ne bere mu no adi.
Bere a Ɛho Hia sɛ Wɔde Si ananmu
Bere a wo batere no rebɛn ne nkwa nna awiei no, nsɛnkyerɛnne a ɛkyerɛ sɛ wode batere bɛbɔ bere tenten bere nyinaa anaasɛ wobɛbɔ ntɛmntɛm nanso worenkura batere no mu bere tenten, a ɛyɛ sɛnkyerɛnne a ɛkyerɛ sɛ ne tumi ne ne dwumadi so atew.
Sɛ ɛte sɛ nea wo batere no ntumi ntra hɔ nkyɛ sɛnea na ɛte bere bi wɔ tebea horow a ɛte saa ara a wɔde di dwuma mu a, ɛnde na ɛredu ne nkwa nna awiei. Nhwehwɛmu a wɔyɛ no daa boa ma wɔkyere ɔsɛe no ntɛm. Nnɛyi batere nhyehyɛe ahorow di akwahosan tebea akyi ara kwa, na ɛbɔ wɔn wuranom kɔkɔ bere a ahoɔden a ɛwɔ mu no so tew sen nea wogye tom no.
Sɛ wɔyɛ nipadua mu nhwehwɛmu a, wuhu kɔkɔbɔ nsɛnkyerɛnne afoforo. Biribiara a asɛe, nsu a ɛtwetwe, nsɛe, anaa ɛho ahonhon biara a wotumi hu no hwehwɛ sɛ adwumayɛfo de wɔn adwene si so ntɛm ara. Saa sɛnkyerɛnne ahorow yi kyerɛ huammɔdi a emu yɛ den a ɛwɔ nipadua no mu a ɛde ahobammɔ ho asiane ahorow ba sen adwumayɛ a wɔsɛe no ara kwa.
Wo Battery Nkwa Bere a Wobɛma Ayɛ Kɛse
Sɛ obi a ɔyɛ adwuma no de si beae a ɛyɛ nwini na ɛhɔ yɛ kusuu a mframa pa fa mu, a ɛwɔ akyirikyiri fi tebea a emu yɛ den ne nsuo mu a, ɛma batere nkwa nna trɛw kɛse, a ɔdan atifi mmeae a wɔatoto mu yiye, nkuku akɛse, ne adan a wɔde nneɛma di dwuma yɛ mmeae a ɛfata.
Daa sakre a wobɛfa so wɔ charge-discharge cycle biako mu da biara gyina hɔ ma adeyɛ pa, ɛwom sɛ mpɛn dodow a eye sen biara no gyina wo dwumadie pɔtee ne battery chemistry so.
Nsiesiei a Wɔde Siesie Nhwehwɛmu Nhoma a Mfaso
Ɔsram biara mu nhwehwɛmu a wɔde aniwa hu no nsɛe hwee sɛ ɔhaw ahorow a wɔkyere ntɛm. Hwɛ sɛ nsuo a ɛretu na asɛe, titiriw wɔ baabi a ɛbɛn terminal ne cables, na te nka wɔ baabi a ɛhɔ yɛ hyew anaa. Ɛfata sɛ wɔyɛ nhwehwɛmu wɔ biribiara a ɛnkɔ so pɛpɛɛpɛ ho.
Hwɛ adwumayɛ data so daa sɛ wo system no de ma a. Mpɛn pii no, mmere a wɔde gye charge a ɛyɛ soronko, tumi a ɛkɔ fam a wɔnhwɛ kwan, anaa ɔhyew a ɛnteɛ taa kyerɛ ɔhaw ahorow a ɛrenya nkɔso. Nnɛyi smart battery nhyehyɛe ahorow ma saa monitoring yi yɛ automatic, de kɔkɔbɔ kɔ wo smartphone bere a parameters drift akyi normal ranges.
Ma wo battery charge nkɔ 20% ne 80% ntam na ama woansiw ɔsɛe ano na woakɔ so ayɛ adwuma yiye, na kwati sɛ wobɛbɔ ntɛmntɛm na ama battery no adwennwen so atew. Saa adwumayɛ mfɛnsere yi betumi de tumi bi a wotumi de adi dwuma abɔ afɔre nanso ɛtrɛw nkwa nna nyinaa mu kɛse.
Sikasɛm mu Adwene a Ɛwɔ Hɔ
Batere ho ka a wɔbɔe mfiase no so atew kɛse. Sɛnea nhwehwɛmu a efi BloombergNEF kyerɛ no, nneɛma bo kɔɔ fam 14% wɔ afe 2023 nkutoo mu koduu nea ɛba fam koraa, na ɛmaa ahoɔden a wɔkora so no yɛɛ yiye wɔ sikasɛm mu sen bere biara.
Wɔ 60-MW dɔnhwerew 4 battery ho no, mfiridwuma mu nnoɔma foforɔ tebea ma sika kɛseɛ a wɔsɛe no so tew 18% (Conservative Scenario), 37% (Moderate Scenario), ne 52% (Advanced Scenario) wɔ afe 2022 ne 2035 ntam.
Ɛka a wɔbɔ wɔ ne wurayɛ ho nyinaa kɔ akyiri sen bo a wɔtɔ. Bere a ɛka a wɔbɔ nyinaa wɔ atrae nhyehyɛe a wɔde asi hɔ yiye ho no betumi afi dɔla 9,000 kosi bɛboro dɔla 19,000 no, nneɛma pii ma wotumi nya sika a wɔde bɛto mu yi yiye, a nea ɛka ho ne tow a aban no tua, nneɛma a wɔde di dwuma ho nkuranhyɛ, ne bo a anyinam ahoɔden a wɔde bɛboa bere a anyinam ahoɔden a wɔde di dwuma no atwa.
Sɛ́ wobebu bo ankasa ho akontaa no hwehwɛ sɛ wosusuw nkwa nna nyinaa ho. Batere a ne bo yɛ dɔla 12,000 a ɛtra hɔ mfe 12 no bo yɛ dɔla 1,000 afe biara, anaasɛ bɛyɛ dɔla 83 ɔsram biara. Sɛ ɛtew wo anyinam ahoɔden ho ka so $60 ɔsram biara na ɛma ahoɔden a wode bɛbɔ wo ho ban a ne bo yɛ $25 ɔsram biara a, sika a wode bɛto mu no sɛe-ansa na wosusuw nneɛma a atwa yɛn ho ahyia ho mfaso anaa ahoɔden ahofadi ho.
Bere Tenten Ho Asɛmmisa no
Lithium-ion BESS taa nya nnɔnhwerew 1–4, a ɛkyerɛ sɛ wobetumi de ahoɔden dwumadie ama wɔ wɔn ahoɔden a ɛkyɛn so wɔ saa berɛ no mu. Saa bere tenten anohyeto yi na ɛkyerɛ wɔn dwumadie a ɛyɛ papa.
Nnipa nyinaa gye tom sɛ bere tenten-bere tenten akorae din no fi ase wɔ beae a sikasɛm mu mfaso a ɛwɔ mprempren lithium-ion batere ahorow mu no so tew pɛɛ, a abenfo taa gye tom sɛ ɛwɔ nnɔnhwerew 8 kosi 12 mu.
Wɔ residential applications ho no, nnɔnhwerew 4-6 a wɔde sie no taa dɔɔso ma anwummere a wɔde di dwuma kɛse ne anadwo biako backup. Aguadi ne mfaso-scale application ahorow no hwehwɛ bere tenten kɛse, na ɛde nneɛma foforo ba wɔ nnuru foforo te sɛ vanadium redox flow battery mu ma nna pii a wɔde sie ahiade ahorow.
Yɛrehwɛ Anim
Bere a lithium{0}}ion batere di mu wɔ anyinam ahoɔden a ɛpae bere tiaa bi a wɔde ma mu no, na ne bo yɛ den dodo sɛ wɔde sie bere tenten-, na ɛde batere a ɛyɛ nna pii a ne bo nyɛ den a ɛbɛma anyinam ahoɔden ama nna pii wɔ bere a mununkum anaa mframa a ɛrebɔ denneennen no bae.
Ahoɔden a wɔkora so adwuma no gyina baabi a ɛdannan. Mprempren lithium-ion mfiridwuma di bere tiaa-ahiade ho dwuma wɔ ɔkwan a ɛfata nkamfo so, bere a mfiridwuma a ɛreba no de wɔn ani si bere tenten so. Sɛ wɔde nhyehyɛe ne gua nhyehyɛe a ɛfata wɔ hɔ na wɔkɔ so de sika hyɛ mfiridwuma ne nneɛma a wɔyɛ mu nkɔso mu a, mfiridwuma a wɔde sie bere tenten-betumi anya nkɔanim ntɛmntɛm-kɔ soro ne grid nkabom.
Nsɛm a Wɔtaa Bisa
Charge cycle dodow ahe na metumi ahwɛ kwan afi me ahoɔden akorae battery no mu?
Lithium batere a wɔde sie a ɛyɛ papa no di kyinhyia 6,000 kosi 10,000 ho dwuma ansa na tumi a ɛwɔ mu no asɛe kɛse, ɛwom sɛ eyi gu ahorow wɔ nnuru ne adwumayɛ tebea horow mu de. LFP batere taa de kyinhyia pii ma sen NMC nnuru bere a wɔde di dwuma wɔ tebea horow a wɔde toto ho mu no.
Dɛn ankasa na ɛma me batere no hwere ahoɔden bere kɔ so no?
Tumi a wɔhwere no fi afã horow pii a ɛka ho ne SEI layer nyin, electrode mpaapaemu, a ɛpaapae, electrolyte a ɛpaapae, ne lithium plating. Saa nneɛma yi yɛ ntɛmntɛm bere a ɔhyew a ɛkɔ soro, nsu a ɛkɔ mu no kyinhyia, ne charge ntɛmntɛm no.
So metumi ama batere no asɛe brɛoo?
Sɛ wode charge kɔ 20-80% ntam, kwati sɛ wobɛbɔ charge ntɛmntɛm, na woakura ɔhyew a ɛwɔ 68-90℃F ntam a, ɛma battery nkwa nna trɛw kɛse. Nhwehwɛmu binom kyerɛ sɛ sɛ wɔyɛ adwuma wɔ 50% state of charge mu a, ebetumi ama nkwa nna akɔ soro 44-130%.
So lithium-ion batere nyinaa yɛ pɛ wɔ nkwa nna mu?
Mprempren-Lithium-phosphate (LFP) batere biara nni hɔ a ekura bɛyɛ 60% wɔ batere ahoɔden a wɔkora so gua so kyɛfa mu na wɔhwɛ kwan sɛ ɛbɛkɔ so anyin bio efisɛ ɛma ahobammɔ a eye, ɔhyew a ɛyɛ den, ne nkwa nna tenten sɛ wɔde toto lithium nnuru afoforo ho a.
Ahoɔden a wɔkora so lithium batere nhyehyɛe ahorow no kyɛ, mpɛn pii no ɛde mfe 10-15 som a wotumi de ho to so ma bere a wɔhwɛ so yiye no. Batere mu nnuru a wopaw, sɛnea wode nhyehyɛe no di dwuma, ne nneɛma a atwa yɛn ho ahyia a ehyia no nyinaa nya nkwa tenten so nkɛntɛnso kɛse. Bere a mfiridwuma renya nkɔso na ɛka so tew no, ahoɔden a wɔkora so lithium batere a wɔde besisi hɔ no bɛyɛ nea mfaso wɔ so kɛse wɔ atrae ne aguadi mu nyinaa, na nkɔso a ɛkɔ so no hyɛ bɔ sɛ ɛbɛtra hɔ akyɛ mpo daakye.