Battery array yɛ adwuma denam battery cells pii a ɛka bom denam nhyehyɛe ahorow a ɛtoatoa so ne nea ɛne ne ho di nsɛ so na ama wɔanya ahoɔden anaa tumi a ɛkorɔn sen nea battery biako betumi de ama no so. Series nkitahodi de voltage ka ho bere a parallel nkitahodi de tumi ka ho, na ɛma wotumi yɛ array no ma ahoɔden ne ahoɔden pɔtee a wɔhwehwɛ.
Nneɛma a Wɔde Yɛ Battery Arrays
Battery arrays nam modular nhyehyɛe a ɛma nkwammoaa mmiako mmiako no yɛ kɛse ma ɛbɛyɛ nhyehyɛe akɛse so na ɛyɛ adwuma. Wɔ fapem no so no, batere nkwammoaa baako-taa yɛ 3.6V kɔsi 3.7V ma lithium-ion-ntumi nnya ahoɔden tẽẽ wɔ dwumadie dodoɔ no ara a ɛhia ahoɔden a ɛkorɔn anaa bere tenten a wɔde yɛ adwuma. Array architecture no di eyi ho dwuma denam cells a ɛhyehyɛ no modules, modules kɔ packs, ne packs mu ma ɛyɛ arrays a edi mũ no so.
Nsusuwii no di nnyinasosɛm ahorow a ɛte sɛ owia ahoɔden mfiri a wɔahyehyɛ no akyi. Nkwammoaa ankorankoro boaboa wɔn ho ano nnidiso nnidiso ma ahoɔden kɔ soro, afei saa nhama a ɛtoatoa so yi ka bom wɔ bere koro mu ma ɛma tumi no yɛ kɛse. Laptop battery a wɔtaa de di dwuma de 4s2p nhyehyɛe di dwuma: nkwammoaa anan a ɛtoatoa so (14.4V) ne akuw abien a ɛne ne ho di nsɛ (a tumi mmɔho abien). Scale eyi mpɛn mpempem pii, na wunya utility-scale battery arrays te sɛ Tesla Hornsdale Power Reserve a ɛwɔ 150MW output.
Nneɛma Abiɛsa-Layer Hierarchy no:
Mpɛn pii no, honam fam nhyehyɛe no di ntoatoaso abiɛsa akyi. Cell layer no kura battery units ankorankoro-cylindrical 18650 cells, prismatic cells, anaa pouch cells. Module layer no boaboa nkwammoaa 10-100 bom ne nhwehwɛmu a wɔaka abom. Array layer no ka module ahorow pii ne centralized management systems bom.
Nnɛyi nhyehyɛe ahorow de batere nhyehyɛe a ɛyɛ nwonwa (BMS) bom wɔ ɔfã biara. Saa nhyehyɛe ahorow yi hwɛ voltage, current, temperature, ne charge tebea a ɛwɔ cell biara mu. Sɛ wɔanhwɛ so yiye a, nkwammoaa betumi akɔ baabiara a ɛnkari pɛ, na ɛde adwumayɛ anaa ahobammɔ ho nsɛm so atew.
Series vs Parallel: Voltage-Tumi Aguadi-off
Sɛ yɛte sɛnea series ne parallel connections yɛ adwuma ase a, ɛma yehu nea enti a battery arrays yɛ nea ɛyɛ mmerɛw saa.
Series Nsiesiei a Wɔde Yɛ Adwumade batere ahorow no bata awiei-kɔ-awiei, na ɛde batere biako awiei a ɛyɛ papa no bata nea edi hɔ no awiei a enye no ho. Saa nhyehyɛe yi de voltages ka ho bere a capacity kɔ so yɛ nea ɛkɔ so daa. 12V 100Ah battery anan a ɛtoatoa so no yɛ 48V 100Ah nhyehyɛe. Voltage a ɛkorɔn no ho hia ma dwumadie te sɛ anyinam ahoɔden kar ne owia inverter a ɛhia ahoɔden kɛseɛ a ɛntwe current dodoɔ mfa nhama mu.
Fomula no yɛ tẽẽ: Total Voltage=Voltage wɔ Cell biara mu × Nkwammoaa dodow a ɛwɔ Series mu. Tesla Model 3 battery pack bi kura bɛyɛ 4,416 cells a wɔahyehyɛ no akuw 96 a cells 46 biara wom, na ɛma ɛyɛ bɛyɛ 350V nominal voltage.
Nsiesiei a ɛne ne ho di nsɛɛyɛ adwuma wɔ ɔkwan soronko so. Ɛka positive terminals nyinaa bom na ɛka negative terminals nyinaa bom. Eyi ma voltage kɔ so yɛ nea ɛkɔ so daa bere a ɛma tumi no dɔɔso no. 12V 100Ah battery anan a ɛwɔ parallel no hwɛ 12V nanso ɛma 400Ah nyinaa tumi-mmere a wɔde tu mmirika no mmɔho anan.
Tumi nsɛsoɔ: Tumi nyinaa (Ah)=Tumi wɔ Cell biara mu × Parallel Strings dodoɔ. Saa nhyehyeɛ yi fata dwumadie a ɛhia adwumayɛ a ɛtrɛ wɔ standard voltages, te sɛ backup power systems ne off-grid solar installations.
Series-Parallel Nneɛma a Wɔde Afrafranhyehyɛe ahorow no ka akwan abien no nyinaa bom. 8-batere nhyehyɛe betumi ayɛ akuw abien a ɛne ne ho di nsɛ a emu biara yɛ batere anan a ɛtoatoa so, na ama ahoɔden ne tumi a ɛkɔ soro. Saa nsakrae yi ma wɔn a wɔyɛ nneɛma no tumi ne ahoɔden ne tumi a wɔhwehwɛ no hyia pɛpɛɛpɛ. Hornsdale adwumayɛbea no de batere module ankorankoro ɔhaha pii di dwuma wɔ nhyehyɛe a ɛyɛ den a ɛtoatoa so a ɛne ne ho di nsɛ mu de nya ahoɔden a ɛyɛ 150MW a ɛwɔ 194MWh a wɔde sie.
Ade biako a ɛho hia a ɛsɛ sɛ wosusuw ho wɔ adwini ho: ɛsɛ sɛ batere a ɛwɔ array mu nyinaa nya nsɛm a ɛne ne ho hyia. Sɛ wɔde ahoɔden ahorow, tumi ahorow, anaa nnuru ahorow frafra a, ɛde nea ɛnkari pɛ ba a ɛsɛe adwumayɛ na ɛde ahobammɔ ho asiane ba.
Batere a Wɔde Di Dwuma Ho Asɛnnennen no
Nkwammoaa mpempem pii a wɔde bedi dwuma sɛ ade biako a ɛka bom no hwehwɛ sɛ wɔhwɛ so yiye. Battery nhyehyɛe a wɔde di dwuma no di dwuma titiriw abiɛsa: ɛhwɛ, ɛkari pɛ, ne ahobammɔ.
Nkwammoaa a Wɔhwɛ Sodi voltage, current, ne temperature akyi ma cell anaa cell kuw biara wɔ real-bere mu. Wɔ utility-scale array a ɛwɔ cells 10,000 mu no, BMS no di data nsɛntitiriw ɔpepem pii ho dwuma wɔ sekan biara mu. Saa granular monitoring yi ma wotumi hu nkwammoaa a adi nkogu ntɛm ansa na wɔanya array no nyinaa so nkɛntɛnso.
Ɔhyew a wɔhwɛ so no ho hia titiriw. Lithium-ion batere yɛ adwuma yiye wɔ digrii 15 ne digrii 35 ntam . Wɔ saa kwan yi akyi no, adwumayɛ so tew na ahobammɔ ho asiane kɔ soro. Arrays akɛseɛ de onwini nhyehyɛeɛ a ɛyɛ nnam-nsuo a ɛma onwini ma ahoɔden a ɛkorɔn-tumi, mframa a ɛma onwini ma adesoa a ɛkɔ fam-a BMS ɔhyeɛ ho nsɛm kyerɛ kwan ka ho.
Nkwammoaa a Wɔkari pɛdi ɔhaw titiriw bi ho dwuma: nkwammoaa ankorankoro nyɛ adwuma pɛpɛɛpɛ da. Nsonsonoe a ɛwɔ nneɛma a wɔyɛ mu, ɔhyew a ɛsono emu biara, ne onyin dodow ma nkwammoaa no kɔ baabiara a ɛnyɛ adwuma. Sɛ wɔamfa wɔn ho annye mu a, nkwammoaa a ɛyɛ mmerɛw no bɛyɛ nkotoku.
Nneɛma a ɛkari pɛ a ɛyɛ nnam no nam capacitors anaa inductors so de ahoɔden fi nkwammoaa a ɛyɛ den mu kɔ nea ɛyɛ mmerɛw mu. Eyi ma charge koro wɔ array no nyinaa so, trɛw nkwa nna mu na ɛma tumi a wotumi de di dwuma no yɛ kɛse. Nhwehwɛmu a efi wɔn a wɔyɛ battery hɔ kyerɛ sɛ sɛ wɔkari pɛ yiye a, ebetumi ama array nkwa nna akɔ soro 30-40%.
Passive balancing de resistors di dwuma de yi ahoɔden a ɛboro so fi nkwammoaa a ɛyɛ den mu sɛ ɔhyew. Bere a ɛyɛ mmerɛw na ne bo nyɛ den no, ɛnyɛ nea etu mpɔn kɛse te sɛ nea ɛkari pɛ a ɛyɛ nnam. Utility-scale arrays dodow no ara de nhyehyɛe a ɛyɛ adwuma di dwuma de tew ahoɔden a wɔsɛe no so.
Ahobammɔ Nhyehyɛe Ahorowyɛ ahobammɔ fã a etwa to no. BMS no betumi atwa array no mu sɛ ohu tebea horow a asiane wom a: overcurrent, overvoltage, undervoltage, anaasɛ thermal runaway. Circuit breakers ne fuses ma hardware-level ahobanbɔ sɛ backup.
Wɔ Hornsdale Power Reserve no, Tesla BMS hwɛ batere module ankorankoro 2,300 so. Nhyehyɛe no tumi yɛ ho biribi wɔ grid frequency nsakraeɛ mu wɔ milisekɔn 140-ayɛ ntɛmntɛm koraa sene atetesɛm gas turbines no mmuaeɛ berɛ a ɛyɛ sikɔne 6. Saa ahoɔhare yi ma battery arrays som bo kɛse ma grid stabilization.
Nsiesiei Nhwɛsode a Wɔde Yɛ Nnwuma Ahorow
Battery array design gu ahorow kɛse a egyina application ahwehwɛde ahorow so. Ade biara a wɔde di dwuma hwehwɛ voltage, tumi, ne discharge su pɔtee.
Kar a Ɛwɔ anyinam ahoɔdendi kan de voltage a ɛkorɔn ma motor efficiency ne ahoɔden density a ɛkorɔn ma range. Chevrolet Bolt no de nkwammoaa 288 di dwuma wɔ 96s3p nhyehyɛe mu, na ɛyɛ 350V nhyehyɛe a ɛwɔ 60 kWh tumi. Voltage a ɛkorɔn no brɛ current ne resistive losses ase wɔ cables mu, bere a parallel groups no ma tumi a ɛdɔɔso ma 250+ miles of range.
EV arrays hyia ɔhyew ho nsɛnnennen soronko. Charging ntɛmntɛm ne discharge rates a ɛkɔ soro ma ɔhyew kɛse ba. Wɔn a wɔyɛ no de nsu a ɛma onwini di dwuma a glycol-based coolants a ɛkyinkyini fa akwan a ɛda nkwammoaa akuw ntam mu di dwuma. Sɛ nhwɛso no, BMW i3 no hwɛ nkwammoaa a ɛwɔ ɔhyew a ɛyɛ digrii 2 mu denam onwini a ɛyɛ nnam so.
Grid Ahoɔden a Wɔkora Sonhyehyɛe ahorow hwehwɛ sɛ wɔde ahoɔden kɛse di dwuma nnɔnhwerew pii a wɔde bɛyɛ adwuma. Saa arrays yi taa de voltages a ɛba fam (1000-1500V DC) nanso tumi ratings kɛse di dwuma. Gateway Energy Storage adwumayɛbea a ɛwɔ California no de 230MWh dii dwuma denam lithium iron phosphate (LFP) battery modules 10,080 a ɛwɔ parallel arrays mu wɔ Tesla Megapacks 56 so.
Ɛsɛ sɛ grid arrays yɛ wɔn ade ntɛm ara wɔ frequency nsakrae ho. Sɛ grid frequency kɔ fam sen 50 Hz (anaasɛ 60 Hz wɔ Amerika Atifi fam) a, BMS hyɛ array no sɛ wɔmfa ahoɔden nhyɛ mu wɔ milisekɔn mu. Saa frequency regulation service yi a Hornsdale yɛ bere nyinaa no maa adwumayɛbea no nyaa dɔla ɔpepem 116 wɔ ɛka a wɔkoraa so wɔ ne mfe abien a edi kan no mu.
Solar-Plus-Akoraeɛatenaeɛ nhyehyɛeɛ taa de 48V battery banks-a ɛyɛ apam a ɛda ahobanbɔ ne adwumayɛ mu yie ntam di dwuma. Batere anan a ɛyɛ 12V a ɛtoatoa so no ma saa ahoɔden yi ba, a ɛne owia inverter a wɔtaa de hyɛ mu no hyia. Afiewuranom betumi de batere biako afi ase na wɔde parallel units aka ho na ama tumi no akɔ soro sɛnea ɛho hia, na ama nhyehyɛe no ayɛ modular na wotumi sesa.
Residential arrays hyia nsɛnnennen soronko sen utility systems. Ɛsɛ sɛ wɔyɛ adwuma wɔ mmeae a ɛnyɛ nea wɔahyɛ da ayɛ (garages, abɔnten a wɔabɔ ho ban) wɔ ɔhyew a ɛtrɛw mu. Eyi hwehwɛ sɛ wɔde wim tebea a ɛyɛ den siw ano na wɔhwɛ ɔhyew so ɛmfa ho sɛ baabi sua a wɔde nneɛma a ɛma onwini bɛyɛ no.
Backup Tumi a Wɔde Yɛ Adwumaapplication te sɛ data centers de battery arrays a wɔayɛ no yiye ama mmuae ntɛm ara di dwuma sen sɛ ɛbɛkyɛ. Saa nhyehyɛe ahorow yi da so ara yɛ nea ahoɔden wom koraa, na wɔasiesie wɔn ho sɛ wɔbɛyɛ adwuma bere a anyinam ahoɔden a ɛwɔ anyinam ahoɔden no mu no di huammɔ no. Data center UPS nhyehyɛe a wɔtaa de di dwuma de batere nhama pii di dwuma wɔ parallel mu de hwɛ hu sɛ redundancy-sɛ ahama biako di nkogu a, afoforo kɔ so yɛ adwuma bere a wɔresesa unit a adi mfomso no.
Abɔde mu Nneɛma a Ɛfa Ahoɔden a Ɛsen Ho
Dɛn na ɛkɔ so ankasa wɔ batere nhyehyɛe mu bere a anyinam ahoɔden sen no? Sɛ yɛte anyinam ahoɔden ne anyinam ahoɔden akwan horow no ase a, yehu sɛnea mfiridwuma no yɛ fɛ ne ne sintɔ ahorow nyinaa.
Muyi no, lithium ions tu fi anode (negative electrode) no mu fa electrolyte no mu kɔ cathode (positive electrode) no mu. Saa ion kankan yi ma voltage nsonsonoe a ɛma electrons fa abɔnten circuit-current a mfaso wɔ so no mu ba. Wɔ series array mu no, saa voltage yi ka bom wɔ nkwammoaa ahorow no nyinaa mu. Wɔ parallel arrays mu no, current a efi cell biara mu no ka bom.
Tumi a ɛba no gyina ahoɔden ne ahoɔden nyinaa so: Tumi (W)=Ahoɔden (V) × Mprempren (A). 400V array a ɛde 100A ma no ma ahoɔden 40kW. Sɛ wɔhyehyɛ no ɔkwan soronko so sɛ 200V × 200A a, ɛda so ara de 40kW-nanso mprempren a ɛkorɔn no hwehwɛ nhama a ɛyɛ den na ɛde resistive losses pii ba.
Nneɛma a ɛko tia wɔ nipadua no muka sɛnea wɔyɛ adwuma yiye. Nkwammoaa biara wɔ ahoɔden a ɛko tia a ɛdannan ahoɔden bi ma ɛbɛyɛ ɔhyew mmom sen sɛ ɛbɛyɛ adwuma a mfaso wɔ so. Wɔ series configurations mu no, resistances de ka ho linearly, nanso esiane sɛ current tra hɔ daa nti, total resistive loss yɛ pɛ I2R baabi a I yɛ current na R yɛ total resistance. Parallel configurations ma voltage yɛ pɛpɛɛpɛ nanso split current wɔ nkorabata ahorow mu, na ɛtew resistive losses wɔ branch biara mu.
Wei kyerɛkyerɛ nea enti a high-voltage nhyehyeɛ yɛ adwuma yie ma high-power applications. 400V nhyehyɛe a ɛde 40kW mena no twetwe 100A. 100V nhyehyɛe a ɛde ahoɔden koro no ara ma no twetwe 400A-a ɛma mprempren no mmɔho anan na ɛma resistive losses no kɔ soro mpɛn 16.
Charging a wɔde tua ho kadan ion a ɛsen no. Tumi a efi abɔnten hyɛ lithium ions ma ɛsan kɔ anode no mu, na ɛkora ahoɔden so wɔ nnuru mu. Charging ntɛmntɛm pia currents a ɛkɔ soro fa array no mu, na ɛma ɔhyew ne adwennwen nkwammoaa. Eyi nti na DC fast charging networks to charge rates ano hye ma 150-350kW sen sɛ wɔbɛbɔ charge ntɛmntɛm sɛnea ɛbɛyɛ yiye-a ɛbɛma battery nkwa nna ayɛ tenten no hwehwɛ sɛ wɔde ahwɛyiye hwɛ ɔhyew so.
Battery arrays hwere adwumayɛ wɔ charge rates a ɛboro so. A typical array betumi anya 95% round-trip efficiency (charge then discharge) wɔ moderate rates, nanso eyi so tew kɔ 85-90% bere a ntɛmntɛm charge esiane emu resistance ne ɔhyew a ɛkɔ soro nti.
Ankasa-Wiase Adwumayɛ ho Nsɛm
Nsusuwii mu ntease ho nhia pii sen nea efi mu ba a mfaso wɔ so. Nea battery arrays nya ankasa wɔ adwumayɛ mu ni.
Hornsdale Power Reserve no daa ahoɔden a ɛboa grid a ɛso bi mmae da adi. Wɔ generator a ɛdi huammɔ wɔ Loy Yang Power Station wɔ December 2017 mu no, array no hunuu frequency a ɛkɔ fam wɔ sikani 0.14 mu na ɛde 7.3MW guu mu de maa grid no yɛɛ den. Conventional backup generators gyee sikani 6 ansa na ɛreyɛ ho mmuae-42 mpɛn brɛoo. Saa ahoɔhare yi amma cascading huammɔdi a anka ebetumi ama ɔmantam no ayɛ tuntum no ano.
Sikasɛm mu nkɔso ne mfiridwuma mu nkonimdi hyiae. Hornsdale nyaa bɛyɛ A$18 ɔpepem wɔ n’afe a edi kan no mu denam frequency regulation services so. Adwumayɛbea no tew South Australia grid stability ho ka so fii A$470/MWh kɔɔ A$40/MWh-a ɛso tew 91%. Eduu afe a ɛto so abien no, sika a wɔaboaboa ano no duu A$116 ɔpepem.
Saa akontaahyɛde ahorow yi da sikasɛm mu mfaso a ɛwɔ battery arrays so adi sen ahoɔden a wɔkora so a ɛnyɛ den. Mmuaeɛ mmerɛ a ɛyɛ ntɛm ma wɔne atetesɛm mu generators si akan wɔ ancillary services a ɛkura grid frequency ne voltage mu. Array no yɛ adwuma titiriw sɛ shock absorber, na ɛma nsakrae ahorow no yɛ mmerɛw ntɛmntɛm dodo sɛ anyinam ahoɔden mfiri a wɔtaa de di dwuma no betumi adi ho dwuma.
Nneɛma a wɔsɛe no dodowefi real-wiase data kyerɛ array nkwa tenten. Tesla Powerwall home battery arrays no kura bɛyɛ 80% tumi wɔ mfeɛ 10 a wɔde sakre tu da biara da akyi. Utility-scale arrays a wɔde LFP chemistry di dwuma no kyerɛ nkwa tenten a eye mpo-installations pii aboro 8,000 cycles a ennu 10% capacity loss.
Kalenda onyin (ɛsɛe bere tenten a sɛnea wɔde di dwuma mfa ho) ka lithium-ion batere nyinaa. Arrays taa hwere 2-3% tumi afe biara bere mpo a ɛnyɛ adwuma. Sɛ wɔde cycle degradation ka ho a, arrays dodow no ara wɔ warranty mfe 10-15 anaasɛ cycle dodow pɔtee bi-nea edi kan biara.
Victoria Big Battery a ɛwɔ Australia, a ɛwɔ 300MW/450MWh tumi no, gye ka na ɛtow gu mprenu da biara de nya sika kɛse fi ahoɔden arbitrage mu (atɔ a ne bo nyɛ den off-peak power na ɛtɔn wɔ bere a wɔhwehwɛ kɛse). Mfeɛ mmienu akyi a wɔde yɛɛ adwuma no, tumi sɔhwɛ kyerɛɛ sɛ 4% pɛ asɛe-boro warranty nkɔmhyɛ so.
Ahobammɔ Nhyehyɛe ne Nkonimdi Ho Dwumadi
Battery arrays sie ahoɔden kɛse, na ɛde ahobammɔ ho nsusuwii a anibere wom ba. 100MWh array no kura ahoɔden a ɛboro pɛtro lita 2,000. Ahobammɔ nhyehyɛe ahorow a ɛyɛ nwonwa mma saa ahoɔden no ntumi nkɔ a wontumi nni so.
Ɔhyew a wɔde guanne asiane titiriw no. Sɛ nkwammoaa biako yɛ hyew dodo boro ɔhyew a ɛho hia so (mpɛn pii no ɛyɛ digrii 130-150 ma lithium-ion) a, emu nsɛm tiawa kanyan nkɔnsɔnkɔnsɔn mu adeyɛ. Nkwammoaa no ma mframa a ɛyɛ hyew fi mu, ɛhyew, na etumi trɛw ɔhyew mu kɔ nkwammoaa a ɛbemmɛn hɔ no mu. Wɔ nhyehyɛe a wɔahyɛ no ma denneennen mu no, eyi tumi fa nkwammoaa ɔhaha pii mu.
Nnɛyi nhyehyɛe ahorow de ahobammɔ layers pii di dwuma. Honam fam kwan a ɛda module ahorow ntam no to ɔhyew a ɛkɔ baabi foforo ano hye. Ogya-akwanside ahorow a ɛko tia no kura module ankorankoro huammɔdi. Nneɛma a ɛma onwini a ɛyɛ nnam no ma ɔhyew a ahobammɔ wom kɔ so tra hɔ. Mframa a wɔde hu nhyehyɛe ahorow no kyerɛ ɔhyew ho nsɛnkyerɛnne a edi kan-hydrogen anaa carbon monoxide dodow a ɛkɔ soro no kyerɛ sɛ nkwammoaa mu mframa fi mu ansa na ogyaframa apue.
Ogya a ɛtɔe wɔ April 2019 mu wɔ McMicken Energy Storage adwumayɛbea a ɛwɔ Arizona no daa mmerɛwyɛ ahorow adi wɔ battery array nhyehyɛe a edi kan no mu. Nkwammoaa mu nkwammoaa a wɔankari pɛ no maa mmeae a ɛhɔ yɛ hyew bae, na ogya a wɔansiw ano yiye no maa asɛm no yɛɛ kɛse. Odumgyafo baanu pirapirae wɔ ɔtopae a efii mu bae no mu. Efi saa bere no, UL 9540A sɔhwɛ gyinapɛn ahorow hwehwɛ sɛ wɔyɛ ɔhyew guankwaw ntrɛwmu sɔhwɛ ma grid-scale arrays nyinaa.
Cell-level nhwehwɛmude ɔkwan a edi kan a wɔfa so bɔ wɔn ho ban ma. Sɛ BMS no hu sɛ nkwammoaa bi boro ɔhyew anaa ahoɔden anohyeto so a, ɛtwa saa module no mu fi array no ho. Wɔ Hornsdale no, wobetumi atew module 2,300 no mu biara afi ne ho. Saa redundancy yi hwɛ hu sɛ cell baako a ɛdi huammɔ no nsɛe 194MWh array no nyinaa.
Ogya a wɔde siw anowɔ battery arrays mu no yɛ soronko wɔ nhyehyɛe ahorow a wɔtaa de di dwuma no ho. Nsu betumi ama lithium-ion batere ogya asɛe kɛse, na CO2 ntumi nyɛ adwuma yiye wɔ nnuru a ahoɔden wom ho. Mmom no, nnɛyi nhyehyɛe ahorow de nnuru a wɔde siw aerosol ano anaa nsu a ɛyɛ nwini nhyehyɛe a ɛma ɛyɛ nwini a anyinam ahoɔden a ɛkɔ mu ho nsɛm biara nni ho di dwuma. Nnwumayɛbea binom de nsuyiri nhyehyɛe a ɛwɔ container-level a ɛde array no nyinaa hyɛ inert gas mu di dwuma.
Maintenance protocols ho hia te sɛ hardware. Ɔhyew so mfoninitwa a wɔyɛ no daa no kyerɛ mmeae a ɛhɔ yɛ hyew a ɛrenya nkɔso ansa na huammɔdi ahorow aba. Sɛ wɔsɔ tumi hwɛ a, ɛma yehu nkwammoaa a asɛe a ɛsɛ sɛ wɔsesa. Voltage a ɛkari pɛ mma nkwammoaa a ɛyɛ mmerɛw no ntumi nyɛ nkotoku.
Sikasɛm a ɛfa Scaling Arrays ho
Battery arrays a wɔbɛkyekye no hwehwɛ sɛ wɔyɛ sikasɛm mu aguadi-offs a ɛyɛ anigye. Kɛseɛ nyɛ papa bere nyinaa-optimal sizing gyina dwumadie pɔtee ne gua so tebea so.
Kapital ho ka a wɔbɔno akɔ fam kɛse. Wɔ afe 2010 mu no, lithium-ion battery packs bo yɛ $1,200/kWh. Eduu afe 2024 no, nneɛma bo kɔɔ fam koduu bɛyɛ $130/kWh ma utility-scale systems. BloombergNEF nnwuma ho ka bɛduru $80/kWh wɔ afe 2026 mu, na ɛbɛma batere a wɔkora so no ne afifideɛ a ɛma abɔdeɛ mu mframa kɔ soro sen biara no bɛsi akan.
Saa ɛka a wɔatew so yi fi nneɛma a wɔyɛ, nnuru a wɔatu mpɔn, ne nneɛma a wɔde ma no nyin mu. China na ɛhyɛ nneɛma a wɔyɛ so, na ɛyɛ wiase nyinaa batere nkwammoaa 77%. Saa adwene a wɔde si biribi so yi de asiane ahorow ba nneɛma a wɔde ma mu nanso ɛma ɛka ho akansi a emu yɛ den nso ba.
Sikasɛm a wɔde di dwuma wɔ ɔkwan a ɛkɔ soro soɛka nnwinnade ne adwumayɛ nyinaa. 100MWh nhyehyeɛ no boɔ sua wɔ kWh biara mu sene 10MWh nhyehyeɛ du ɛnam nnwuma a wɔkyɛ-control systems, transformers, grid connections nti. Nanso, ɛboro bɛyɛ 200MWh so no, mfasoɔ a ɛwɔ ɛka a wɔbɔ no kakraa bi so no so tew berɛ a adwuma no mu nsɛnnennen kɔ soro.
Victoria Big Battery no bo bɛyɛ A$160 ɔpepem ma 300MW/450MWh tumi-bɛyɛ A$350,000/MWh. Batere nketewa a wɔde tena mu no bo yɛ $500-800/kWh-ɛboɔ bɛboro mmɔho mmienu wɔ ahoɔden a ɛwɔ mu biara mu. Adetɔ pii, nneɛma a wɔde si hɔ a ɛyɛ mmerɛw, ne nhyehyɛe ahorow a wɔde afrafra kyerɛkyerɛ nsonsonoe yi mu.
Sika a wonya ho nhwɛso ahorowɛsono sɛnea gua te. Wɔ Australia ne California no, arrays nam frequency regulation services (wɔtua ho ka wɔ MW biara a ɛwɔ hɔ), energy arbitrage (wɔtɔ nneɛma a ɛba fam, wɔtɔn kɛse), ne tumi a wotua (wɔwɔ hɔ ma tebea horow a egye ntɛmpɛ) so nya sika. Hornsdale sika ahorow a wonya no ma ɛyɛ nea mfaso wɔ so ɛmfa ho sɛ wɔkora ahoɔden so nnɔnhwerew 1.3 pɛ wɔ ahoɔden a edi mũ mu no.
Arrays binom yɛ adwuma wɔ resource adequacy contracts-a wotua wɔn ka sɛ ɛwɔ hɔ ara kwa, sɛ́ wɔsoma anaasɛ wɔankɔ. Saa nhwɛsoɔ yi pɛ high-capacity, moderate-duration arrays (4-8 hours) a ɛbɛtumi ayɛ ahotosoɔ akoraeɛ.
Sikasɛm ho nhyehyɛe ahorowdodow a wɔde battery arrays di te sɛ infrastructure assets. Dwumadie sikasɛm a ɛwɔ 4-6% mfasoɔ ma mfasoɔ-scale storage ne fossil awoɔ ntoatoasoɔ di akan. Bere a nhyehyɛe pii da afe 15+ adwumayɛ a wotumi de ho to so adi no, ɛka a wɔbɔ bere tenten no bo yɛ mmerɛw, na ɛma sikasɛm tu mpɔn kɛse.
Daakye Nkɔso wɔ Array Technology mu
Battery array mfiridwuma no nya nkɔso ntɛmntɛm bere a nnuru foforo, nhyehyɛe ahorow a wɔde di dwuma, ne nneɛma a wɔde di dwuma ba no.
Batere a ɛyɛ den-tebeahyɛ bɔ sɛ ahoɔden a ɛkɔ soro ne ahobammɔ a ɛkɔ anim denam nneɛma a ɛyɛ den a wɔde besi nsu electrolyte ananmu no so. Toyota ne QuantumScape reyɛ nhyehyɛe ahorow a wɔde electrolyte a ɛyɛ den a ebetumi anya 500 Wh/kg-a ɛkame ayɛ sɛ mprempren lithium-ion density mmɔho abien. Wei bɛma kwan ma wɔayɛ nhyehyɛe nketewa a emu yɛ hare ama kar anaasɛ bere tenten-bere tenten a wɔde sie ama grid dwumadie.
Nanso, solid-state batteries a wɔbɛyɛ wɔ scale mu no da so ara yɛ asɛnnennen. Mfiridwuma no hwehwɛ nnwinnade ahorow a wɔde yɛ nneɛma na entumi nnyina sintɔ ahorow ano sua sen nsu mu electrolyte nkwammoaa. Ɛbɛyɛ sɛ aguadi solid-state battery arrays renpue kosi 2026-2028.
Dade-mframa ne sodium-ionnnuruyɛ ahorow de wɔn ani si niches ahorow so. Iron-mframa batere ma ɛho ka sua koraa ($20/kWh) ma dwumadie a ɛhia nnɔnhwereɛ 24-100, ɛwom sɛ ɛwɔ ahoɔden a ɛba fam de. Form Energy de pilot arrays reyɛ adwuma wɔ Minnesota ne Maine. Sodium-ion nhyehyɛe yi lithium a ɛde ne ho to so no fi hɔ na ɛyɛ adwuma yiye wɔ wim tebea a ɛyɛ nwini mu, na ɛma ɛyɛ nea ɛyɛ anigye ma atifi fam wim tebea.
Virtual power plants a wɔde yɛ anyinam ahoɔdenboaboa batere nketewa mpempem pii a ɛwɔ hɔ no ano kɔ grid-scale nneɛma mu. Tesla Virtual Power Plant a ɛwɔ South Australia no de ofie Powerwall batere 4,000 bom, na ɛma wonya 50MW ahoɔden a wɔakyekyɛ. Saa kwan yi de grid resilience-no single point of failure-ka ho na ɛma afiewuranom nya sika fi wɔn batere a wɔkyɛ mu.
Deployment reyɛ ntɛmntɛm. Puerto Rico grid modernization no bi ne battery a wɔde besie MW 1,000 wɔ afe 2028 mu-ɛboro mprempren ahwehwɛde a ɛsen biara a ɛyɛ 900 MW. California hyɛ sɛ wɔmfa 11,500 MW nsie wɔ afe 2030. China de 22 GW kaa ho sɛ wɔmfa batere nsie wɔ afe 2024 nkutoo mu.
Nneɛma a wɔde di dwuma bioɛsɛ sɛ enyin bere a wɔde di dwuma no. EV batere a wɔtaa de di dwuma no kura 70-80% tumi wɔ kar dwumadie akyi-da so ara som bo ma stationary storage applications. Batere a ɛwɔ nkwa nna a ɛto so abien nhyehyɛe no trɛw mfaso nkwa nna mu mfe 10-15 bio ansa na ɛho abehia sɛ wɔsan de di dwuma bio. Nnwumakuw te sɛ Redwood Materials resi mmeae a wɔde bɛsan anya lithium, cobalt, ne nickel 95% afi batere dedaw mu, na ɛtew wɔn a wɔde wɔn ho to so sɛ wobetu fam no so.
Nsɛm a Wɔtaa Bisa
Nsonsonoe bɛn na ɛwɔ battery ne battery array ntam?
Battery biako yɛ ankorankoro cell anaa pack ketewa bi a ɛwɔ voltage ne capacity a wɔahyɛ da ayɛ. Battery array yɛ nhyehyɛe a wotumi sesa a ɛwɔ batere pii a wɔaka abom na ama wɔanya ahoɔden a ɛkorɔn, ahoɔden pii, anaa n’abien nyinaa. Arrays betumi afi cells awotwe a ɛwɔ power adwinnade mu akosi module mpempem pii a ɛwɔ grid storage facilities mu.
Battery arrays no di bere tenten ahe?
Utility-scale arrays taa di mfeɛ 10-15 ansa na tumi no akɔ fam akɔ fam 80%. Sɛ wɔhwɛ so yiye na wɔde sakre tu kwan wɔ ɔkwan a ɛfata so a, arrays binom di mfe 20. Ɔsɛe no gyina ɔhyew a wɔde yɛ adwuma, charge/discharge rates, ne discharge a emu dɔ so. Arrays a wɔde kyinhyia da biara da kɔ 90% bun no sɛe ntɛmntɛm sen nea wɔde kyinhyia kɔ 50% no.
So wubetumi de batere ahorow afrafra wɔ nhyehyɛe bi mu?
Dabi, sɛ wɔde batere ahorow, mfe a adi, anaa ne tumi frafra wɔ nhyehyɛe bi mu a, ɛde nea ɛnkari pɛ ba a ɛtew adwumayɛ so na ɛde ahobammɔ ho asiane ba. Ɛsɛ sɛ batere a ɛwɔ array mu nyinaa yɛ pɛ-chemistry, capacity, voltage koro, na ɛyɛ papa sɛ efi production batch koro no ara mu. Nnuruyɛ ahorow wɔ ahoɔden su ne emu ahoɔden a ɛko tia, na ɛma adwumayɛ a ɛkari pɛ ntumi nyɛ yiye.
Sɛ batere biako di huammɔ wɔ array bi mu a, dɛn na ɛba?
Wɔ series nhyehyeɛ mu no, cell a adi nkoguo tumi siw current flow a ɛfa saa string no mu, na ɛtew total array capacity so. Wɔ nhyehyɛe a ɛne ne ho di nsɛ mu no, nhama afoforo kɔ so yɛ adwuma wɔ tumi a wɔatew so. Nnɛyi arrays de modular designs di dwuma wɔ baabi a BMS betumi ayi module ahorow a adi nkogu no afi hɔ. Saa redundancy yi kyerɛ sɛ cell baako a ɛdi nkoguo ntumi nyɛ array no nyinaa adwuma-ɛtew tumi so kakra kɛkɛ kɔsi sɛ wɔbɛsesa module a ɛdi mfomsoɔ no.
Arrays a Wobɛma Ayɛ Adwuma Ma Wo Application
Battery arrays di nkonim bere a wɔayɛ ama ahwehwɛde pɔtee bi mmom sen sɛ wɔbɛyɛ generic specifications no. Ofie owia nhyehyɛe hia array su ahorow sen anyinam ahoɔden kar anaa grid storage facility.
Fi ase denam parameters abiɛsa a wobɛkyerɛkyerɛ mu so: voltage a wɔhwehwɛ, tumi a wɔhwehwɛ, ne discharge profile. 48V owia nhyehyɛe hia batere a wɔahyehyɛ sɛ ɛbɛma 48V nominal aba. Sɛ wuhia 10 kWh a wode besie a, kyekyɛ mu denam ahoɔden a ɛwɔ mu so: 10,000 Wh ÷ 48V=208 Ah tumi a ɛho hia.
Afei, paw nkwammoaa mu nsɛm a ɛfata. 12V lithium battery a wɔtaa de di dwuma no tumi fi 50Ah kosi 200Ah. Batere anan a ɛwɔ 12V 52Ah a ɛtoatoa so no ma 48V 52Ah (2.5 kWh) ba. Sɛ wobɛduru 10 kWh a, wobɛhia nhama anan a ɛne ne ho di nsɛ a ɛyɛ batere anan a ɛtoatoa soɔ-batere 16 a ne nyinaa yɛ 4s4p nhyehyɛeɛ.
Susuw dodow a wɔayi wɔn afi ayaresabea no ho. Sɛ wo application hwehwɛ 5 kW peak power a, ɛsɛ sɛ array no de 5000W ÷ 48V=104A ma. 4s ahama biara ma battery biako mprempren rating. Sɛ battery biara rate 50A continuous discharge a, wuhia nhama abiɛsa a ɛne ne ho di nsɛ pɛ, na ɛnyɛ anan. Afei na array no bɛyɛ 4s3p a battery 12 wom.
Mpɛn pii no, ɔhyew a wɔhwɛ so yiye na ɛkyerɛ nkonimdi anaa huammɔdi. Batere nyɛ adwuma yiye wɔ digrii 0 ase na ɛsɛe ntɛmntɛm sen digrii 40 . Nnwuma a ɛyɛ adwuma wɔ abɔnten no hia ɔhyew wɔ mmeae a awɔw wom na ɛma onwini wɔ mmeae a ɛhɔ yɛ hyew. Sɛ wɔde di dwuma wɔ ɔkwan a ɛkɔ fam so mpo nya mfaso fi nneɛma a wɔde abɔ ho a wɔabɔ ho ban ne mframa a ɛkɔ so yɛ digrii 15-25 mu .
Hwɛ nhyehyɛe ahorow so yiye bere a wɔreyɛ adwuma mfiase no. Cell voltage drift wɔ adapɛn a edi kan no mu da nneɛma a wɔyɛ no nhyia adi. Di nneɛma a ɛnkari pɛ ho dwuma ntɛm denam nkwammoaa a wɔde besi ananmu anaasɛ kari a wɔde kari pɛ a ɛyɛ nnam so sen sɛ wobɛma nkwammoaa a ɛyɛ mmerɛw asɛe array adwumayɛ.
Modularity a battery arrays wɔ no ne wɔn ahoɔden kɛse. Wubetumi afi ase ketewaa na woatrɛw mu nkakrankakra, de nhama a ɛne ne ho di nsɛ aka ho ama tumi pii anaasɛ nhama a ɛtoatoa so ama ahoɔden a ɛkorɔn. Saa scalability yi ma arrays yɛ sikasɛm mu kwan a wɔfa so nya mpo ma application ahorow a ebetumi anyin bere kɔ so.
Nneɛma a wonya fi mu
U.S. Ahoɔden Ho Amanneɛbɔ Dwumadibea - Battery Storage Tumi ho Nsɛm (2024-2025) .
Amanaman Ntam Ahoɔden Dwumadibea - Wiase Nyinaa EV Nsusuwii 2024: Nneɛma a ɛrekɔ so wɔ anyinam ahoɔden kar batere mu
Grand View Nhwehwɛmu - Battery Guadiɛ Kɛseɛ, Kyɛfa & Nkɔsoɔ Amanneɛbɔ (2024-2030)
Pennsylvania State University EME 812 - Utility Scale Storage a wɔde di dwuma: Battery Arrays
Battery University - BU-302: Battery Nsiesiei a ɛtoatoa so ne nea ɛne ne ho di nsɛ
Hornsdale Tumi Akoraeɛ Adwumayɛ ho Nsɛm - Neoen/Tesla (2017-2023)
Ahoɔden Nneɛma a Ɛkɔ Anim - Nsɛnnennen Titiriw ma Grid-Scale Lithium-Ion Battery Ahoɔden a Wɔkora So (2022)
Abɔdeɛ Nkitahodi - Sensor Arrays a wɔaka abom a wotumi tintim koraa ma Lithium-Ion Batteries (2025)
MDPI Energies - Battery Management Systems: Nsɛnnennen ne Ano aduru (2020) .
Mframa a Ɛho Tew Adwumakuo - Battery Storage Sikasɛm ne Grid Nkabom Nhwehwɛmu
Nsɛmti a Ɛfa Ho
Batere a Wɔde Di Dwuma Ho Nhyehyɛe (BMS) .
Lithium-ion vs Lead-acid Battery Ntotoe
Grid-scale Ahoɔden a Wɔkora So Ano Aduru
Electric Kar Battery Pack Nsusuwii
Solar-plus-Akoraeɛ Nhyehyɛeɛ Nsiesiei
Battery a Ɛsɛe ne Nkwa Nna Ho Dwumadi
