Lithium iron phosphate (LiFePO4) batere a ɛwɔ ahoɔden a wɔkora so nhyehyɛe a wɔayɛ no yiye mu no taa di mfe 10 kosi 15 bere a wɔde sakre tu da biara da. Nanso saa dodow no fa no sɛ nneɛma pii kɔ yiye-ɔhyew ho nhyehyɛe a ɛfata, conservative depth of discharge, BMS a ɛyɛ n’adwuma ankasa, ne dispatch profile a ɛnyɛ battery no ho dwuma te sɛ nea wɔtow gu. Nya saa no mu biara mfomso, na wubetumi ahwɛ nkɔmmɔbɔ a wɔde besi ananmu mfe anum anaa asia wɔ.
Eyi yɛ biribi a yehu daa wɔ BESS ahunmu. Nnwuma abien de cell supplier koro no ara di dwuma, nameplate cycle rating koro no ara, na ɛda so ara ba awiei wɔ wildly different real-wiase nkwa nna. Ɛkame ayɛ sɛ nsonsonoe no ba fam bere nyinaa wɔ system-level gyinaesi ahorow so, ɛnyɛ cell-level specs. Ɛno ne nea akwankyerɛ yi twe adwene si so-nea ɛkyerɛ bere tenten a lithium batere bɛtra hɔ ankasa bere a aplikeshɔn no yɛ ahoɔden akorae, ɛnyɛ telefon a ɛwɔ wo kotoku mu.
Lithium Battery Nkwa nna a Wɔde Di Dwuma
| Abisadeɛ | Nnuruyɛ a Wɔtaa Yɛ | Mfe a Wɔtaa Yɛ | Typical Cycle Range a Ɛyɛ Fɛ |
|---|---|---|---|
| Ɛlektrɔnik mfiri a wɔde di dwuma (telefon, laptop) . | LiCoO2 / LiPo a ɛwɔ hɔ | 2–4 | 300–500 |
| Kar a anyinam ahoɔden wom | NMC na ɛwɔ hɔ | 8–12 | 1,000–2,000 |
| Owia ahoɔden a wɔkora so wɔ atrae | AsetraPO4 | 10–15 | 3,000–6,000+ |
| Aguadi & mfiridwuma mu BESS | AsetraPO4 | 10–20 | 4,000–10,000 |
Nsonsonoeɛ a ɛda atenaeɛ ne C&I ntam no ba fam kɔ system design rigor-active cooling, tighter BMS tolerances, ne dispatch optimization a installations nketewa ntaa mma sɛ ɛfata.
Asɛm yi nkaeɛ no, yɛde yɛn berɛ dodoɔ no ara bedi dwuma wɔ saa ɔfa a ɛtwa toɔ no so, ɛfiri sɛ ɛhɔ na nkwa nna ho asɛmmisa no yɛ den ankasa-na baabi a sɛ yɛbɛnya no bɔne a, ɛgye sika ankasa.
Nea Enti a BESS Nkwa Nkwa Ne Nkwammoaa Nkwa Nsɛ
Wɔn a wɔyɛ nkwammoaa tintim kyinhyia nkwa nna nɔma. Saa dodow no fi lab tebea horow-ɔhyew a wɔahyɛ so, C-rate a wɔahyɛ da ayɛ, nsu a ɛkɔ mu no mu dɔ a ɛkɔ so daa. Datasheet a ɛka sɛ "6,000 cycles at 80% DoD, 25℃" rekyerɛ wo nea cell no betumi ayɛ wɔ best-case scenario mu. Ɛnyɛ sɛ ɛrekyerɛ wo nea wo nhyehyɛe no de bɛkɔ wɔ ade a wɔde fa po so hyɛn mu a ɛte Arizona, a wɔde sakre tu mprenu da biara ma frequency regulation.
Ɔsom nkwa nna ankasa a abattery ahoɔden a wɔkora so nhyehyɛegyina package no nyinaa so: nkwammoaa, ɔhyew sohwɛ, tumi nsakrae, BMS/EMS nhyehyɛe, ne adwumayɛ ho nsɛm a application no de ahyɛ so. Yɛahu LiFePO4 nhyehyɛe a wɔahyɛ sɛ 6,000 kyinhyia no sɛe kɔ 80% tumi wɔ nea ennu mfe anan mu efisɛ integrator no skimped on cooling. Yɛahu nso sɛ nhyehyɛe ahorow a nkwammoaa a ɛyɛ kyinhyia 4,000 kakraa bi na ɛwɔ mu no boro mfe 12 efisɛ wosii gyinae foforo biara a ɛfa sɛnea wɔbɛyɛ ho de abɔ batere akwahosan ho ban.
Saa nsonsonoe-da din krataa kyinhyia nkwa nna ne ɔsom nkwa nna a wotumi de ma ntam-yɛ adwene biako a ɛho hia sen biara ma obiara a ɔresusuw lithium batere nkwa tenten ho wɔ adekora tebea mu.
Chemistry Da so ara Ho Hia, Nanso Ɛnsua Nsen sɛnea Wususuw
LiFePO4 di stationary storage so esiane ntease ahorow a ɛboro cycle count so nti. Ne ɔhyew guankɔ aboboano te bɛyɛ digrii 270 , sɛ wɔde toto bɛyɛ digrii 160 ma NMC nnuruyɛ ho a. Saa margin no sesa ahobammɔ ne ɔhyew nhyehyɛe ho nkɔmmɔbɔ no nyinaa. Ɛsan nso kyerɛ sɛ LFP nkwammoaa tumi gyina ɔhyew a ɛkɔ soro a atwa yɛn ho ahyia ano a ɛnsɛe ntɛmntɛm, a ɛkyerɛ tẽẽ kɔ nkwa tenten mu wɔ abɔnten so nneɛma a wɔde si hɔ a onwini ho sikasɛm sua no.
NMC batere ma ahoɔden dodoɔ a ɛkorɔn-150 kɔsi 260 Wh/kg sene 90 kɔsi 160 Wh/kg ma LFP-a ɛda so ara ho hia wɔ ahunmu-ahyɛdeɛ dwumadie mu. Nanso wɔ deployments dodow no ara a wɔde asisi fam anaa containered mu no, footprint nyɛ anohyeto a ɛkyekyere. Ka a wɔbɔ wɔ kyinhyia biara ho ne ɛka a wɔbɔ wɔ owurayɛ ho nyinaa wɔ mfe 10 kosi 15 mu no yɛ. Na wɔ saa metrics no so no, LFP atwe n’anim denneennen. Sɔhwɛ a wɔayɛ wɔ ɔman no aduruyɛdan ahorow mu no ada no adi sɛ LFP nkwammoaa no du 4,000 kosi 10,000 kyinhyia kosi 80% tumi a wɔde sie, sɛ wɔde toto 1,000 kosi 2,000 ma NMC wɔ tebea horow a ɛte saa ara mu.
Lithium nnuru afoforo-LiPo, lithium manganese oxide, lithium cobalt oxide-som ɛlɛtrɔnik mfiri a wɔde di dwuma ne nneɛma titiriw a wɔde di dwuma yiye, nanso ɛntaa mma wɔ nneɛma a wɔkora so a enhinhim mu. Wɔn kyinhyia nkwa nna (a mpɛn pii no ɛyɛ kyinhyia 300–1,500) ne ɔhyew su no ntumi mmoa mfe 10-plus-mfe adwuma horizons a storage sikasɛm hwehwɛ no kɛkɛ.
Ɔhyew: Ade a Ekum Batere Komm
Mfiridwuma ho adwene bi wɔ hɔ a wɔka ho asɛm kɛse: bɛyɛ digrii 10 biara a ɛkɔ soro wɔ ɔhyew a ɛkɔ so wɔ adwumayɛ mu no ma nnuru a ɛsɛe no mmɔho abien. Sɛ́ ebia dodow pɔtee no yɛ 1.8x anaa 2.2x no gyina nnuruyɛ ne adesua no so, nanso wonnye akwankyerɛ no ho akyinnye. Ɔhyew ma electrolyte porɔw ntɛmntɛm na ɛma ntini a ɛko tia nyarewa wɔ electrode no ani. Ɔsɛe no yɛ nea ɛboaboa ano na wontumi nsakra.
Eyi te dɛn wɔ nneyɛe mu? Owia-plus-adekora adwuma wɔ wim tebea a ɛyɛ hyew a ɛde ne ho to mframa a ɛnyɛ adwuma so no betumi ahu sɛ nkwammoaa mu hyew taa boro digrii 40 bere a wɔtow gu awiabere mu. Bɛboro asram 18 mu no, saa ɔhyew nhyɛso a ɛkɔ so daa no betumi ama ahoɔden a ɛyera mmɔho abien-ayɛ a ɛboro warranty akwanhwɛ so yiye. San fa nsuo a ɛma onwini a ɛyɛ nnam a ɛkura nkwammoaa wɔ digrii 20 ne digrii 30 ntam no san siesie nhyehyɛe koro no ara , na ɔsɛe no san kɔ sɛnea ɛte daa.
Ɔhyew a ɛyɛ nwini de ɔhaw foforo ba. Below 0℃, sɛ wobɔ lithium battery charge a, ɛde asiane ba lithium plating wɔ anode no so-ɔkwan a ɛyɛ daa, ahobammɔ-fata ɔsɛe. BMS platform dodow no ara a ɛyɛ papa no siw charge a ɛba fam ase a ahobammɔ wom ano, nanso ɛnyɛ ne nyinaa na wɔyɛ saa. Wɔ instɔlehyɛn wɔ atifi fam wim tebea mu no, ankasa-ɔhyew tumi anaasɛ pre{7}}conditioning nhyehyɛe nyɛ nneɛma a wɔpaw. Wɔyɛ nkwa nna ho insurance. Ntease a wonyalithium battery adwumayɛ ɔhyew anohyetoansa na wobɛkyerɛ nhyehyɛe bi no kwati afuw mu huammɔdi ahorow a ɛsɛe tumi ne adwuma no sanba nyinaa.
Depth of Discharge ne Dispatch Profile
Battery a wɔayi no afiri 50% DoD wɔ kyinhyia biara so no taa de kyinhyia dodoɔ a ɛyɛ 100% no nyinaa mmɔho mmienu kɔsi mmiɛnsa bɛma. Eyi yɛ electrochemistry a wɔde asi hɔ yiye-. Nea ɛnnya adwene pii ne sɛdeɛ dispatch profile-a ɛkyerɛ sɛ nhwɛsoɔ a ɛfa charge ne discharging wɔ nna, adapɛn, ne mmerɛ mu-yɛ degradation wɔ akwan a DoD nɔma a ɛnyɛ den ntumi nkyere.
Susuw BESS a wɔde sisi hɔ abien a wɔtɔn ho, a abien no nyinaa de LiFePO4 nkwammoaa koro no ara a wɔahyɛ sɛ ɛyɛ kyinhyia 6,000 na edi dwuma. Installation A yɛ deep cycle biako da biara ma peak shaving. Installation B di frequency regulation ho dwuma, na ɛde sakre a ɛnyɛ den mpɛn ɔhaha pii da biara da. Wɔn baanu nyinaa reyɛ adwuma wɔ mfiridwuma mu wɔ spec mu. Nanso ahoɔden a wɔaboaboa ano a wɔde fa mu, ɔhyew adesoa, ne micro-nhyɛso a ɛwɔ electrode nneɛma so no yɛ soronko kɛse. Ebia Installation B bɛbɔ ne capacity warranty threshold mfeɛ ansa na Installation A aba, ɛwom mpo sɛ ne DoD a wɔkyekyɛ mu wɔ cycle biara mu no sua koraa.
Wei nti na osuahu integrators size systems a headroom-taa yɛ 15 kɔsi 20% boro akontabuo ahwehwɛdeɛ. Saa margin no ma nhyehyɛe no yɛ adwuma wɔ DoD a ɛkɔ fam sen sɛ wɔbɛpia no akɔ ne anohyeto a wɔahyɛ no so wɔ kyinhyia biara mu. Ɛno nso nti na abusuabɔ a ɛdacharge-discharge cycles ne real-wiase BESS adwumayɛyɛ nuanced kɛse sen sɛnea datasheets dodow no ara kyerɛ.
BMS ne EMS: Baabi a System Design hyia Battery Nkwa
Battery nhyehyɛe no hwɛ cell-level voltage, ɔhyew, ne current. Ɛsiw charge a ɛboro so, over-discharge, ne ɔhyew nsɛm a esisi ano. Wɔ multi-cell packs mu no, ɛdi cell balancing ho dwuma sɛdeɛ ɛbɛyɛ a cell baako biara nsɛe ntɛmntɛm nsen n’afipamfoɔ. Eyi nyinaa yɛ pon so nnua.
Nea ɛtetew BMS a ɛyɛ mediocre ne nea eye ne tebea-a-charge estimation pɛpɛɛpɛ ne adaptive control. Wɔ LiFePO4 nhyehyɛe pɔtee mu no, SoC akontabuo agye dimmɔne sɛ ɛyɛ den ɛfiri sɛ ɛkame ayɛ sɛ voltage curve no yɛ petee wɔ dodoɔ no ara a wɔtumi de di dwuma no mu. Mfitiase nhyehyɛe ahorow betumi ayɛ off kɛse. Ɛno kyerɛ sɛ adwumayɛfoɔ gyae tumi a ɛda hɔ sɛ ahobanbɔ buffer, anaasɛ wɔanhyɛ da boro-discharge cells na wɔma cycle nkwa nna yɛ tiaa. Platform ahorow a ɛyɛ nwonwa kɛse no ma saa mfomso no ba fam kɛse, na ɛkora tumi a wotumi de di dwuma ne akwahosan a ɛtra hɔ kyɛ- nyinaa so.
Wɔ BMS no atifi no, ahoɔden a wɔde di dwuma ho nhyehyɛe no te, a egyina anyinam ahoɔden bo, anyinam ahoɔden ho nsɛnkyerɛnne, owia ahoɔden a wɔde yɛ adwuma ho nkɔmhyɛ, ne apam mu asɛyɛde ahorow so na esi bere ne bere a ɛyɛ den sɛ wobegye na wɔatow afi mu no ho gyinae. EMS a wɔayɛ no yie-nnyɛ sika a wɔnya no kɛseɛ kɛkɛ-ɛsan nso bɔ batere no ho ban denam sakre a ɛkɔ soro -a ɛho nhia a ɛkwati ne nsiesie ho ka a ɛyɛ nhyehyɛeɛ a ɛma nkwammoaa no kari pɛ wɔ berɛ mu.
Wɔ yɛn suahu mu no, BMS a ɛfata ne EMS nhyehyɛe a wosusuw ho a wɔaka abom no de pii ka wiase batere nkwa ankasa ho sen sɛ wobɛpaw LFP cell a wɔde ma abien a wɔwɔ datasheet specs a ɛsono kakra.
LiFePO4 vs. Lead-Acid: Nkwa nna mu nsonsonoe
Lead-acid battery da so ara da adi wɔ legacy backup systems ne off{1}}grid applications bi mu. Wɔn kyinhyia asetra ka asɛm no: 500 kosi 1,000 kyinhyia wɔ 50% DoD ma quality deep-cycle lead-acid, sɛ wɔde toto 3,000 kosi 6,{12}} kyinhyia wɔ 80% DoD ma LiFePO4. Wɔ kalenda mu no, lead-acid taa di mfeɛ 3 kɔsi 5 wɔ sakre so dwumadie a ɛyɛ nnam mu. LiFePO4 nhyehyɛe ahorow taa du saa mmɔho abiɛsa kosi anan.
Nsonsonoe a ɛwɔ ɛka a wɔbɔ ansa na wɔadi kan no nso so atew kɛse. Sɛ wobu ɛka a wɔbɔ wɔ owurayɛ ho nyinaa wɔ mfeɛ 10- kɔsi 15 adwuma no nkwa nna mu, a wosusu mpɛn dodoɔ a wɔsesa, nsiesie, ne akwantuo a wɔde kɔ baabiara a ɛyɛ adwuma yie a wɔhwere ho a, LiFePO4 de mfasoɔ a nteaseɛ wom ma. Eyi yɛ ade titiriw nti a ɛte saaLiFePO4 nhyehyɛe ahorow a ɛwɔ ahoɔden kɛsewɔatu lead-acid wɔ ɛkame ayɛ sɛ stationary storage project foforo biara mu.
Nea Wubetumi Ayɛ De Ma Battery Nkwa Ayɛ Kɛse wɔ Storage Projects mu
Ma nkwammoaa no nkɔ digrii 15 kosi digrii 35 bere a woreyɛ adwuma no. Wɔ abɔnten deployments ho no, eyi kyerɛ sɛ wɔbɛkyerɛ active thermal management-nsuo a ɛma onwini ma high-densityBESS a wɔde ahyɛ nsukorabea ahorow mu, mframa a wɔhyɛ-ma kabinet nhyehyɛe nketewa. Onwini a ɛnyɛ adwuma ntaa nnɔɔso wɔ wim tebea a ɛkɔ soro boro digrii 35 anaasɛ ɛba fam sen awɔw bere mu.
Yɛ adwuma wɔ baabi a nsu no mu dɔ a ɛfata. Sɛ wode battery no di dwuma wɔ 70–80% DoD sen sɛ wode 100% bɛyɛ a, ɛma wobɔ ka bi a wode bedi dwuma wɔ cycle biara mu nanso ebetumi de mfe aka ɔsom nkwa nna nyinaa ho. Size wo system no kɛse sɛnea ɛbɛyɛ a da biara da dwumadi bɛtra anohyeto ahorow a wɔahyɛ no mu yiye sen sɛ wobɛmia wɔn so.
Fa wo charger ne inverter no hyia battery spec no. Wɔayɛ charging voltage profiles, current limits, ne cutoff thresholds no sɛnea ɛte wɔ cell chemistries pɔtee bi mu. Mfiri a ɛne ne ho nhyia no nsɛe warranty ahorow kɛkɛ-ɛde nnam sɛe nkwammoaa denam voltage stress anaasɛ kari a enni mũ so.
Mma batere a wɔde asie no ntra hɔ a wɔahyɛ no ma anaasɛ ɛho ayɛ basaa koraa bere tenten. Sɛ wopɛ sɛ wode nneɛma sie wɔ bere mu anaasɛ wogyina hɔ a, hwɛ 40–60% SoC so wɔ baabi a ɔhyew-hwɛ so. Kalenda onyin yɛ ntɛmntɛm wɔ charge range no afã abien no nyinaa.
Fa sika hyɛ BMS ne EMS su mu sen marginal cell-level sikakorabea. Mfitiaseɛ ɛlɛtrɔnik mfiri a wɔde hwɛ nneɛma so betumi ama ahobanbɔ a ɛsua koraa, nanso BMS/EMS nhyehyeɛ a wɔayɛ no yie yɛ pii koraa de kora batere akwahosan a ɛkyɛ-ne tumi a wɔtumi de di dwuma so. Nhyehyɛe a wɔayɛ no yiye bɛma ayɛ adwuma a ɛbɛn nea wɔahyɛ sɛ ɛbɛtumi ayɛ adwuma mfe du anaa nea ɛboro saa.
Nsɛm a Wɔtaa Bisa
Asɛmmisa: Bere tenten ahe na LiFePO4 Battery Di Dwuma Wɔ BESS Application Mu?
A: Wɔ adwumayɛ tebea a ɛfata mu-ɔhyew a wɔhwɛ so, DoD a ɛkɔ fam, BMS a ɛfata-a LiFePO4 BESS taa de mfe 10 kosi 15 da biara da sakre ma ansa na tumi no akɔ fam akodu 80% wɔ ne mfitiase gyinapɛn no mu. Installation ahorow bi a wɔahwɛ so yiye-boro saa kwan yi so. Nsakrae titiriw no nyɛ nkwammoaa no ankasa na mmom nhyehyɛe a atwa ho ahyia: ɔhyew a wɔhwɛ so, dispatch profile, ne nsiesie nneyɛe na ɛkyerɛ baabi a wubesi fam wɔ saa mfɛnsere no mu.
Asɛmmisa: So Lithium Battery Sɛ Wɔsɛe Bere a Wɔmfa Di Dwuma?
A: Yiw. Kalenda onyin yɛ ɔkwan a ɛda nsow a ɛma nneɛma sɛe ade wɔ sakre so. Mfinimfini afã horow no kɔ so nkakrankakra bere mpo a batere no nyɛ adwuma, na ɛde lithium a ɛyɛ adwuma na ɛma emu ahoɔden a ɛko tia no yɛ kɛse. Rate no gyina ɔhyew ne tebea a ɛwɔ charge bere a wɔkora so-battery a wɔde asie wɔ ɔhyew a ɛkorɔn mu na charge a edi mũ no sɛe ntɛmntɛm sen biara. Wɔ bere tenten-korabea, 40–60% SoC wɔ beae a ɛyɛ nwini na ɛyɛ kusuu ma saa adeyɛ yi brɛ ase kɛse.
Asɛmmisa: Nsonsonoe Bɛn na Ɛda Kyinhyia Asetra Ne Kalenda Nkwa Ntam?
A: Cycle nkwa kan charge-discharge cycles dodow ansa na capacity akɔ fam akodu threshold a wɔakyerɛkyerɛ mu, mpɛn pii no 80% wɔ original no mu. Kalenda nkwa nna kyerɛ mfe dodow a batere bi kɔ so yɛ adwuma ɛmfa ho sɛnea ɛyɛ kyinhyia. Dɔn abien no nyinaa tu bere koro mu, na anohyeto biara a edi kan bɔ no na ɛkyerɛ bere a batere no bedu ne nkwa nna a mfaso wɔ so no awiei. Wɔ da biara da-sakre BESS dwumadie mu no, kyinhyia nkwa taa yɛ anohyetoɔ a ɛkyekyere. Wɔ standby anaa low-fa backup systems mu no, kalenda nkwa betumi ayɛ nea ɛho hia kɛse.
Asɛmmisa: Dɛn Nti na BESS Nnwuma Abien a Nkwammoaa Koro Wɔ Mu no Nya Nkwa Nna Asono?
A: Efisɛ cell specs yɛ input biako pɛ. Ɔhyew a wɔhwɛ so yiye, nhyehyɛe a ɛma nsuo gu mu bun, C-rate bere a wɔreyɛ adwuma, BMS a ɛyɛ nwonwa, ne sɛnea wɔde nneɛma kɔma no nyinaa gu ahorow wɔ nnwuma ahorow ntam. Battery ahoɔden a wɔkora so nhyehyɛe a wɔaka abom yiye a ɛhwɛ saa nneɛma yi nyinaa so no bɛtra hɔ akyɛ asen nhyehyɛe a ɛwɔ nkwammoaa a ɛyɛ pɛ nanso ne nhyehyɛe a ɛyɛ mmerɛw-ɛtɔ mmere bi a mfe pii.
Asɛmmisa: Bere Bɛn na Ɛsɛ sɛ Meyɛ Nhyehyɛe Sɛ Mebɛsesa Batere Wɔ ESS Dwumadi Mu?
A: Dwumadie sikasɛm nhwɛso dodoɔ no ara fa no sɛ battery sesa anaa augmentation wɔ afe 10 kɔsi 12 ma LiFePO4 nhyehyɛeɛ cycling da biara da. Sɛ wo nhyehyɛe no yɛ adwuma wɔ tebea a ɛyɛ katee mu-DoD a ɛba fam, wim tebea a ɛkɔ fam, ɔhyew ho nhyehyɛe pa-wubetumi apia nea wɔde besi ananmu no akɔ afe 15 anaa nea ɛboro saa. Fa sikasɛm nhyehyɛe ma no ntɛm, nanso yɛ nhyehyɛe no sɛnea ɛbɛyɛ a nea wɔde besi ananmu no bɛba akyiri sɛnea wubetumi. Wɔ aguadi-scale adwuma mu no, nsonsonoe a ɛda mfe 10 ne mfe 15 a wɔde besi ananmu no ntam no betumi akyerɛ dɔla ɔpehaha pii wɔ sika kɛse a wɔkwati mu.
Asɛmmisa: So Kyinhyia 6,000 Yɛ Mfe 15 Ampa?
A: Sɛ nhyehyɛe no average bɛyɛ cycle biako a edi mũ da biara na adwumayɛ tebea foforo biara tra spec mu nkutoo a. Wɔ kyinhyia biako da biara mu no, kyinhyia 6,000 yɛ adwuma kodu bɛyɛ kalenda mfe 16.4. Nanso wiase nhyehyɛe ankasa dodow no ara ntumi nkyinkyin wɔ ɔkwan a ɛkɔ so pɛpɛɛpɛ so. Nsakraeɛ a ɛba wɔ mmerɛ mu ahwehwɛdeɛ, grid dispatch nsakraeɛ, ne ɛtɔ da bi a ɛkɔ soro-rate events kyerɛ sɛ nna bi hu bɛboro baako a ɛne no sɛ full cycle na ebinom nso hunu kakraa bi. Factor wɔ kalenda onyin-a ɛkɔ so a cycling mfa ho-na 6,000-cycle cell wɔ da biara da-cycling application mu no yɛ map ankasa kɔ mfe 10 kosi 15 som a mfaso wɔ so. Nsonsonoe a ɛda akontaabu ne nea efi afuw mu ba ntam no ba fam wɔ ɔhyew mu nhyɛso, BMS a ɛyɛ pɛpɛɛpɛ, ne sɛnea wɔde nhyehyɛe no kɔma denneennen no so.
Asɛmmisa: Ɔhyew Ma BESS Battery Nkwa So Tew Dɛn?
A: Mmara a wɔtaa ka ho asɛm ne sɛ nkɔanim biara a ɛkɔ so digrii 10 a ɛboro ɔhyew a eye sen biara a wɔde yɛ adwuma so no bɛyɛ sɛ nnuru a ɛsɛe no mmɔho abien. Nhyehyɛe a ɛyɛ adwuma bere nyinaa wɔ digrii 35 so no nyin ntɛmntɛm a ɛda adi kɛse sen nea wɔde kura digrii 25 , na nhyehyɛe a ɛbɔ digrii 45 daa no betumi ahwere tumi a wotumi de di dwuma wɔ dodow a wɔhwɛ kwan no mmɔho pii. Wɔ awɔw fã no, charge a ɛba fam 0℃no de asiane ba lithium plating-ɔsɛe a wontumi nsakra a ɛtew tumi ne ahobammɔ nyinaa so. Sɛ yɛbɛka no yie a, BESS a wɔde ahyɛ wim a ɛyɛ hyew a enni onwini a ɛyɛ nnam mu no betumi ahwere mfeɛ pii a wɔde bɛyɛ adwuma sɛ wɔde toto nhyehyɛeɛ a ɛte saa ara a ɛwɔ baabi a ɛhɔ yɛ nwini anaa deɛ wɔde nsuo a ɛyɛ hyew ahyɛ mu ma ho a. Nsunsuansoɔ pɔtee no gyina berɛ tenten a wɔde bɛda ne sakre so ahoɔden so, nanso ɔhyeɛ tebea a wɔanhwɛ so yie ne adeɛ baako pɛ a ɛtaa ma BESS nnwuma no ntumi nyɛ wɔn nkwa nna a wɔahyɛ no yie.
Asɛmmisa: Bere Bɛn na Ɛho Hia sɛ Wɔma LiFePO4 Battery Augmentation?
A: Nkɔanim-a wɔde cell module foforo ka nea abɔ akwakoraa ne aberewa ho de san de nhyehyɛe no tumi nyinaa ba-taa hyɛn nkɔmmɔbɔ no mu bere a BESS bi asɛe akodu bɛyɛ 70–80% wɔ ne mfitiase din krataa tumi no mu. Wɔ LiFePO4 nhyehyɛe a ɛyɛ adwuma yiye da biara da-sakre so no, saa asɛm no taa du afe 8 ne afe 12 ntam.Gyinaesi no gyina apam mu tumi asɛyɛde ahorow, sika a wonya fi nkɛntɛnso a wɔatew so, ne ɛka a wɔbɔ wɔ module foforo ho bere a wɔde toto nea wɔde besi ananmu koraa ho. Ebinom a wɔyɛ adwuma no augment proactively wɔ 80% de kura guaranteed capacity ma offtake apam, bere a afoforo tra degradation curve kɔ akyiri sɛ wɔn dispatch ahiade ma kwan a. Augmentation taa yɛ nea ɛho ka-etu mpɔn sen sɛ wɔde besi ananmu koraa bere a BMS ne tumi nsakrae mfiri a ɛwɔ hɔ dedaw no da so ara yɛ adwuma, nanso ɛhwehwɛ sɛ wɔde ahwɛyiye yɛ cell matching na wɔakwati sɛ ɛbɛsɛe ntɛmntɛm wɔ module foforo no mu esiane voltage a ɛnkari pɛ wɔ dedaw no mu nti.