Dɛn ne Blade Battery?- Polinovel .

Batere a ɛwɔ agyan no yɛ lithium iron phosphate battery a BYD ayɛ a ɛde nkwammoaa a ɛyɛ tenten di dwuma de ma ahunmu no yɛ adwuma yiye na ahobammɔ wom kɛse. Susuw a ɛtaa yɛ 960mm tenten 90mm trɛw, saa prismatic nkwammoaa yi nhyehyɛe te sɛ blades wɔ direct cell-to-pack configuration, yi atetesɛm battery modules na ɛma ahoɔden density kɔ soro bɛboro 50% sɛ wɔde toto amanne kwan so LFP battery.

BYD de saa mfiridwuma yi too gua wɔ aban kwan so wɔ March 2020 mu denam ne fã a ɛyɛ Findreams battery no so, na ɛde sii hɔ sɛ ano aduru a ɛbɛma dadwen a ɛkɔ so wɔ anyinam ahoɔden kar batere ahobammɔ ho. Nsusuiɛ no de LFP Chemistry’s inherent thermal stability ne structure innovation a ɛma nkwaboaa biara tumi di atirimpɔw mmienu ho dwuma sɛ ahoɔden fibea ne adesoa{2}}bearing component a ɛwɔ battery pack no mu no bom.

Edin "blade" no nyɛ marketing hyperbole-Ɛkyerɛkyerɛ honam fam kwan ankasa no mu. Atetesɛm mu prismatic battery nkwammoaa taa yɛ bɛyɛ 148mm × 79mm × 97mm, a ɛte sɛ birikisi. BYD blade cells no tenten kɔ 960mm wɔ ne tenten mu bere a ɛkura 13.5mm pɛ mu, ɛyɛ profile a ɛte sɛ nea ɛyɛ nwonwa blade-te sɛ bere a wohwɛ fi nkyɛn no.

Saa dimensional shift yi di ɔhaw titiriw bi ho dwuma wɔ battery pack nhyehyɛe mu. Battery nhyehyɛe a wɔtaa de di dwuma no di abiɛsa-tier hierarchy: cells bundle kɔ modules mu, modules stack kɔ packs mu. Nsakrae biara de ahunmu a awu, nneɛma a wɔde yɛ dan no, ne nneɛma a wɔde di dwuma wɔ ɔhyew so a wɔde di dwuma a wɔmfa ahoɔden nsie no ba. Blade battery no tenten form factor ma direct cell-to-pack (CTP) architecture, skipping module layer no koraa.

Sɛ wɔboaboa ano a, agyan nkwammoaa ɔhaha pii gyina hɔ tẽẽ wɔ nneɛma a ɛne ne ho di nsɛ mu, na wɔn tenten fa kar no ntwahonan no so. Abien a ɛkorɔn-Aluminium ɛwo a wɔde yɛ adwuma a ahoɔden wom no sandwich array no fi soro ne ase, na ɛma nea BYD frɛ no "honeycomb aluminum mprɛte" nhyehyɛe. Nkwammoaa no ankasa yɛ adwuma sɛ structure beams, a ɛboa ma pack no rigidity bere a ɛkora ahoɔden-mu duru-efficient kwan a ɛma range ne handling nyinaa tu mpɔn.

Nhwehwɛmu a wotintimii wɔ .Abɔde mu Ahoɔden .daa no adi sɛ saa nhyehyɛe yi nya gravimetric cell-to{1}}pack ratio a ɛyɛ 0.85 ne volumetric ratio a ɛyɛ 0.62, a ɛboro typical aguadi EV battery packs a ɛkɔ soro bɛyɛ 0.55-0.65 ne 0.40 so. Saa mfaso a wonya fi mu yi kyerɛ ahoɔden a wotumi de di dwuma kɛse wɔ honam fam anohyeto koro no ara mu tẽẽ.

Blade battery

Sɛ wobɛte blade battery no ase a, ɛsɛ sɛ wote nea ɛma ɛba no ase .Lithium iron phosphate batere .soronko. LFP batere de lifepo4 di dwuma sɛ cathode ade a wɔde graphite anode abɔ mu. Phosphate-oxygen bond a ɛwɔ saa chemistry yi mu no yɛ den soronko, na ɛhwehwɛ sɛ ɔhyew a ɛboro 500 digrii ansa na structure breakdown aba.

Eyi ne nikel-manganese-cobalt oxide batere bɔ abira koraa, baabi a ɔhyew a ɛporɔw fi ase bɛyɛ 200-300℃. Sɛ NMC nkwammoaa no kɔ ɔhyew a ɛguan mu a, ɛma oxygen a ɛma ɔhyew no yɛ ntɛmntɛm no fi hɔ. LFP nkwammoaa no nyi oxygen mfi mu bere a ɛrebubu no, na etu mpɔn yi oxidizer no fi ogya ahinanan no mu.

Nneɛma a wɔde di gua no ba wɔ ahoɔden a ɛyɛ den mu. LFP nsusuwii pɔtee no ahoɔden no hyɛ bɛyɛ 170 mAh/g, bere a NMC nnuruyɛ betumi adu 200+ mAh/g. Wɔ nkwammoaa no mu no, eyi ma NMC batere nya mfaso-NMC nkwammoaa bi betumi anya 250-280 wh/kg bere a LFP nkwammoaa taa de 150-180 wh/kg ma. Blade battery no adansi ho nneɛma foforo no ma saa nsonsonoe yi yɛ ketewaa wɔ pack level, ɛwom sɛ NMC da so ara kura edge wɔ raw energy density mu de.

Cycle asetra gyina hɔ ma nsonsonoe foforo a ɛho hia. LFP batere taa wie 3,000-5,000 charge-yi cycles ansa na asɛe akɔ 80% tumi mu. BYD Blade batere no ka sɛ ɛboro kyinhyia 5,000 pɔtee. NMC batere taa yera ntɛmntɛm, na ɛdu 80% tumi bɛyɛ 2,000-2,500 kyinhyia wɔ tebea a ɛte saa ara mu. Saa nkwa tenten yi fi LFP nnuruyɛ no nhyehyɛe a ɛma ɛyɛ den no mu-dade phosphate lattice no ko tia sɛe a efi lithium a wɔde hyɛ mu mpɛn pii no mu.

BYD kyekyee ne aguadi twaa nnadewa a wɔde hyɛ mu sɔhwɛ no ho hyiae, a ɛyɛ ho mfonini sɛ ɛyɛ nea enye koraa-case internal short circuit. Dade nnadewa bi fa batere no mfinimfini bere a nhwehwɛmufo hwɛ sɛnea ɔhyew ne wɔn nneyɛe te no. Wɔ BYD ntotoho sɔhwɛ mu no, NMC batere boroo digrii 500 na ɛhyew no denneennen. LFP block battery a wɔtaa de di dwuma no duu 200-400℃soro hyew a ogya nni mu. Blade battery no ani hyew kɔɔ soro wɔ 30-60℃a wusiw anaa ogya biara nni mu.

Saa nsonsonoe kɛse yi fi nneɛma pii mu. Blade cell no ani a ɛwɔ soro kɛse-bɛyɛ 4- mpɛn 5 sen Prismatic nkwammoaa a wɔtaa de di dwuma no-Ema ɔhyew a ɛkɔ ntɛmntɛm no yɛ adwuma. Profile a ɛyɛ tratraa no kyerɛ sɛ ɔhyew ahoɔden trɛw wɔ nneɛma no ani pii so bere a wɔde toto dodow ho no, na esiw mmeae a ɛyɛ hyew a ɛwɔ hɔ no ano. Nkwammoaa-to-pack nhyehyɛe no nso de nkwammoaa biara a ɛbɛn aluminum ɛwo a wɔde ayɛ apon no si hɔ, na ɛma ɔhyew kɔ akyiri yiye.

Wɔ nnadewa a ɛkɔ mu no akyi no, BYD de blade battery no bɔɔ mu ma ɛbubuu wɔ 46-ton lɔre bi ase, ɔhyew wɔ fononoo a ɛyɛ digrii 300 mu, ne 260% a ɛboro so. Saa tebea horow yi mu biara ankanyan ɔhyew a ɛwɔ hɔ no. Nhwehwɛmu a ɛde ne ho a efi Penn State University sii so dua sɛ LFP blade battery yɛ adwuma dwoodwoo mpo wɔ ntɛmntɛm-charging protocols a ɛbɛma lithium plating aba NMC nkwammoaa mu.

July 2021 sɔhwɛ bi a wɔyɛe wɔ ɔkwan a ɛkɔ fam so no maa nsemmisa ahorow sɔree wɔ ahobammɔ ho nsɛm yi ho. A Byd Han EV bi gya gya bɛyɛ nnɔnhwerew 48 wɔ bere a ɛkɔɔ soro-ntwitwiridii akyi. BYD de asɛm a esii no too coolant a ɛnteɛ-Kar a wɔbɔɔ amanneɛ sɛ wɔde anyinam ahoɔden di dwuma wɔ anyinam ahoɔden mu "kɔkɔɔ" sen sɛ wɔde bedi dwuma sen sɛ wɔde standard non{6}}conductive "purple" coolant bedi dwuma. Bere a blade battery ne wiring no sɛee no, conductive coolant no kyerɛ sɛ ɛmaa anyinam ahoɔden a wɔmpɛ no yɛɛ mmerɛw. Bere a saa asɛm yi maa ahobammɔ ho asɛm no yɛɛ den no, ɛnsakraa nnwuma no mu nhwehwɛmu a ɛfa LFP ɔhyew a ɛyɛ den ho mfaso ho no titiriw.

Nea edi kan-awosu mu agyan batere a wɔde 140 wh/kg ahoɔden density, akyiri yi ayɛ yiye akodu 150 wh/kg. Nneɛma a wɔtaa yɛ no bi ne:

Standard blade cell (138AH a ɛyɛ soronko) .

Nsusuwii: 960mm × 90mm × 13.5mm .

Nominal voltage: 3.2V .

Nneɛma a ɛwɔ mu: 138AH (441.6Wh) .

Ahoɔden a ɛyɛ den: ~150 wh/kg (nkwaboaa no dodow) .

Ɔhyew a ɛyɛ adwuma: -20℃kosi 60℃.

Cycle Life: 5,000+ kyinhyia kosi 80% tumi .

Nneɛma foforo a wɔde yɛ nhama .BYD yɛ blade cells a ne tenten ne ne kɛse a ɛbɛma kar ahorow no ayɛ adwuma. 202ah variant de bɛyɛ 12mm thickness di dwuma, ɛsesa tumi-kɔ-form-factor ratio ma application pɔtee bi.

Wɔ pack level no, BYD Han EV no 76.9 kWh battery pack no nya bɛyɛ 140 wh/kg, a ɛkyerɛ sɛnea CTP architecture no kora cell no mu dodow no ara-level energy density. BYD SEAL no battery pack no de metrics a ɛte saa ara ma bere a ɛma WLTP range a ɛyɛ 570km wɔ premium extended range configuration no mu.

Saa nɔma yi si blade battery no si akan ma urban ne moderate-range applications, ɛwom sɛ ɛdi akyi NMC packs a wɔayɛ ama maximum range. Tesla NMC-gyinasoɔ packs taa nya 170-180 WH/kg wɔ pack level, a ɛkyerɛkyerɛ nea enti a tenten-Range Tesla variants da so ara de NMC chemistry di dwuma bere a standard-range models no kɔ so gye LFP tom.

BYD sii so dua wɔ afe 2024 awiei sɛ-awo ntoatoaso a ɛto so abien no battery bɛba wɔ afe 2025. Cao Shuang, Byd Central Asia kwankyerɛfo panyin no daa no adi sɛ mfiridwuma a wɔayɛ no foforo no bɛma karka no ayɛ kɛse na atrɛw batere nkwa nna mu. Sɛnea BYD guamtrani Wang Chuanfu kyerɛ no, iteration a edi hɔ no de n’ani asi 190 wh/kg ahoɔden density so wɔ pack level-Nkɔso 35% wɔ mprempren awo ntoatoaso no so.

Wɔbɔ amanneɛ sɛ Blade 2.0 no bɛma wɔanya nneɛma abien a ɛyɛ soronko. "Short blade" format no de ahoɔden a wɔde ma no di kan, a ɛwɔ 160 wh/kg ahoɔden density a 16C discharge tumi ne 8C charging-nsusuwii a ɛma wotumi de simma 7.5 charge fi 0-80%. "Long blade" format no yɛ papa ma tumi a ɛwɔ 210 wh/kg ahoɔden density, a ɛboa 8C discharge ne 3C charging rates.

Saa nsɛm a wɔakyerɛkyerɛ mu yi kyerɛ sɛ awo ntoatoaso a ɛto so abien no de lithium manganese iron phosphate (LMFP) chemistry bɛka ho, a ɛyɛ LFP a ɛyɛ gyinapɛn a ɛka ho a ɛde manganese ka ho ma ɛma ahoɔden ne ahoɔden a ɛwɔ mu no yɛ kɛse. Nnwumayɛbea ahorow kyerɛ sɛ BYD hwɛ kwan sɛ ɛbɛtew nneɛma a wɔyɛ ho ka so 15% ama-Density Long Blade variant a ɛkorɔn no sɛ wɔde toto mprempren blade battery ho a.

Wɔbɔ amanneɛ sɛ Yangwang U7, sedan a ɛyɛ fɛ a efi BYD premium sub-brand mu no bɛyɛ kar a edi kan a wɔde-awo ntoatoaso a ɛyɛ nhama batere ahyɛ mu. Esiane sɛ charge rates boro 5.5C na discharge rates boro 14C nti, adwumayɛ ho nkyerɛkyerɛmu no bɛn nea ɛwɔ soro-nickel NMC battery bere a ɛkɔ so kura LFP ahobammɔ mu mfaso horow mu.

Blade battery

BYD de too gua wɔ April 2021 mu sɛ ne kar ahorow a ɛyɛ anyinam ahoɔden a ɛho tew nyinaa bɛma batere a wɔde krak ayɛ. Saa bɔhyɛ yi fa adwumakuw no anyinam ahoɔden ho nhyehyɛe nyinaa ho:

Mass-Aguadi ho nhwɛso ahorow .BYD Seagull a ne bo fi $9,700 wɔ China no de blade battery di dwuma de nya ne ultra-a ɛho ka sua. Byd Dolphin Electric Hatchback ne ATTO 3 SUV no de wɔn ho to blade mfiridwuma so saa ara ma ɛkari pɛ wɔ sika a wobetumi atɔ ne akansi ahorow a ɛkɔ so no mu.

Premium fã bi .Byd Han EV, brand no sedan flagship no, de blade battery mfiridwuma too gua kɔɔ gua so wɔ June 2020. Ɛnam 76.9 kWh pack nti, ɛde 605km range (NEDC) ma na ɛma 0-100 km/h ntɛmntɛm wɔ 3.9 seconds mu. BYD seal sedan ne sealion 7 SUV a ɛreba no toa saa premium positioning yi so denam blade batteries so.

Aguadi mu Nneɛma a Wɔde Di Dwuma .BYD anyinam ahoɔden bɔs platform B2 no de blade battery ka chassis nhyehyɛe no ho tẽẽ, de nkwammoaa no adesoa-bearing su ahorow di dwuma de tew kar mu duru so. E6 MPV, a wɔtɔn ma B2B dwumadie wɔ gua so te sɛ India no, wɔ 71.7 kWh Blade Battery a ɛkyerɛ sɛ ɛyɛ 520km WLTC kuropɔn no mu.

Abɔnten a wɔfa so gye tom .Tesla fii ase de BYD blade batere hyehyɛɛ Model 3 ne Model Y kar ahorow a wɔyɛe wɔ ne Berlin Gigafactory mu maa Europa gua no. Ford, Kia, Hyundai, ne Toyota nso anya blade battery afi BYD Fishreams subsidiary no mu, ɛwom sɛ nhwɛso pɔtee a wɔde di dwuma no gu ahorow wɔ gua ne mmara ahwehwɛde ahorow mu.

Saa mmofra a wɔfa wɔn sɛ wɔn mma a wɔadɔɔso yi da mfiridwuma ho nimdeɛ adi. BYD de batere ahoɔden 100.66 sii kar mu fi January-October 2024, ɛkame ayɛ sɛ ne nyinaa LFP chemistry. Sɛ́ wiase no mu nea ɛto so abien-EV batere adwumakuw a ɛso sen biara a ɛwɔ gua mu kyɛfa 24.4% wɔ China no, BYD ahofama a ɛwɔ hɔ ma blade mfiridwuma no nya nnwuma no nyinaa akwankyerɛ so nkɛntɛnso.

Blade battery versus NMC akyinnyegye no gyina botae ahorow a ɛsono emu biara titiriw so. NMC batere a ɛyɛ papa ma ahoɔden a ɛyɛ den ne awɔw-wim tebea adwumayɛ. Batere a wɔde hyɛ nneɛma mu no de ahobammɔ, nkwa tenten, ne ɛka di kan.

Ahoɔden a ɛyɛ den a ɛwɔ hɔ no mu nsonsonoe .Wɔ nkwammoaa mu no, NMC 811 (80% nickel, 10% manganese, 10% cobalt) nya bɛyɛ 250-280 wh/kg. Mprempren blade nkwammoaa no de 150 wh/kg ma. Saa 40-50% density advantage yi kyerɛ ase kɔ battery packs a ɛyɛ hare ma range a ɛne no sɛ, anaasɛ ɛyɛ kɛse ma emu duru a ɛne no sɛ.

Nanso, pack-level ntotoho no yɛ teateaa kɛse. Blade battery no CTP architecture no kyere ne cell-level ahoɔden pii wɔ pack a etwa to no mu-a mpɛn pii no ɛyɛ 85-90% efficiency versus 55-65% ma atetesɛm modular NMC packs. Nhwehwɛmu krataa bi a ɛwɔ .Abɔde mu Ahoɔden .buu akontaa sɛ blade battery packs betumi anya ahoɔden pɔtee a wɔde toto NMC622 packs ho na nokwarem no ɛboro so wɔ volumetric ahoɔden density mu esiane space utilization a ɛkorɔn nti.

Ɔhyew adwumayɛ .NMC batere no kura tumi kɛse wɔ wim tebea mu. Wɔ -10℃, ebia NMC-tumi a ɛwɔ kar mu no bɛhwere 15-20% wɔ kwan a ɛkɔ so wɔ ɔkwan kɛse so karka mu. Kar koro no ara a ɛwɔ blade battery no betumi ahu 25-30% range reduction. LFP cathodes a ɛyɛ den no ma mass-transfer resistance a ɛkorɔn ba wɔ awɔw tebea mu, na ɛma lithiation no mu dɔ bere a wɔretu no.

BYD di eyi ho dwuma denam ɔhyew sohwɛ so. Nneɛma a wɔde yɛ battery no yɛ mmerɛw na ɛma ɛyɛ nwini na ɛma ɛyɛ hyew. Nneɛma a wɔde di kan yɛ hyew no betumi asiesie pack no ansa na wɔatu wɔ mmeae a ɛhɔ yɛ nwini, ɛwom sɛ eyi di ahoɔden na egye nhyehyɛe de. Sɛ ɛyɛ adwuma wɔ digrii 20 anaa nea ɛboro saa a, LFP ne NMC adwumayɛ hyia ma dwumadie dodoɔ no ara a ɛyɛ adwuma.

Charging Speed Reality .Fast charge gyina hɔ ma tradeoff a ɛyɛ den. NMC batere taa boa 1.5-2C charge rates wɔ production vehicles mu, ɛma simma 20-30 sessions fi 10-80%. Mprempren blade battery taa charge wɔ 1-1.5C, a ɛhwehwɛ simma 30-50 ma ɛne no sɛ replenishment.

Nea ɛto so abien-Awo ntoatoaso blade battery’ a wɔkyerɛ sɛ ɛyɛ 8C charging tumi no betumi ayi saa ɔhaw yi afi hɔ sɛ wɔn a wɔyɛ no tumi de charging infrastructure a ɛne no hyia di dwuma a. Wɔ 8C no, 80 kWh battery bɛbɔ charge wɔ 640 kW-a ɛboro nnɛyi 350 kW charger a ɛyɛ ntɛm sen biara no so. Saa rates yi a wobenya no nyɛ battery a ɛyɛ adwuma kɛkɛ na mmom ecosystem upgrades mũ no nyinaa.

Ɛka ne nkwa nna ho sikasɛm .Nickel ne cobalt bo ma NMC batere yɛ nea ne bo yɛ den fi awosu mu. Nnwumayɛ mu akontaabu kyerɛ sɛ NMC packs bo yɛ $120-140/kWh wɔ 2024. LFP packs, a blade mfiridwuma ka ho, bo bɛyɛ $85-100/kWh. Saa $35-50/kWh nsonsonoeɛ yi kyerɛ sɛ ɛyɛ $2,800-5,000 a wɔbɛkora so wɔ 80 kWh pack a wɔtaa de di dwuma no so.

Asetra mu ka ho mfaso no trɛw kɔ akyiri. Sɛ blade battery bi wie 5,000 cycles versus 2,500 ma NMC a, ɛkame ayɛ sɛ ɛka a wɔbɔ wɔ cycle biara ho no fã. EV wura a ɔka kar 300km wɔ charge biara mu no bɛkata kilomita ɔpepem 1.5 ansa na blade battery no asɛe akɔ 80% tumi, sɛ wɔde toto 750,000km ma NMC a ɛne no sɛ ho a. Wɔ-mileage applications te sɛ taksi anaa aguadi po so ahyɛn ho no, saa nkwa tenten yi ho hia kɛse.

BYD vertical integration no ma ɛyɛ soronko wɔ blade battery a wɔyɛ so. Findreams Battery, BYD adwumakuw no fã bi, de nnwinnade a ɛyɛ wɔn de ne akwan a wɔfa so yɛ no na ɛyɛ nkwammoaa no. Adwumakuw no mfa ne ho nto abɔnten so nkwammoaa a wɔde ma so-Ɛyɛ nea wɔde ma.

Saa vertical structure yi maa BYD tumi yɛɛ scale production ntɛmntɛm. Efi zero blade battery wɔ 2019 mu no, adwumakuw no yɛɛ nkwammoaa a ɛdɔɔso a ɛbɛma kar bɛboro ɔpepem 3 anya ahoɔden ansa na afe 2023. Mprempren afe afe nneɛma a wɔyɛ no boro GWh 150, a ntrɛwmu nhyehyɛe ahorow no de wɔn ani asi 200+ GWh so wɔ afe 2025 mu.

Nneɛma a wɔyɛ no si automation so dua. BYD yɛɛ nnwinnade titiriw a wɔde yɛ blade cell nhyiam, a nea ɛka ho ne mfiri a wɔde kyinkyin a ɛyɛ nea wɔde di dwuma wɔ ɔkwan a ɛyɛ tenten so a wɔde di dwuma. Quality control systems hwɛ cell biara dimensional tolerances, electrical characteristics, ne safety features ansa na pack integration.

Borgarner de ayɔnkofa a ɛyɛ ɔkwan pa a wɔfa so yɛ adwuma wɔ afe 2024 mfiase no too gua sɛ wɔbɛyɛ LFP batere a wɔde findreams blade cells a wɔde yɛ aguadi kar wɔ Europa, Amerika, na wɔapaw Asia-Pacific mpɔtam. Eyi yɛ BYD mfiridwuma ho tumi krataa ho apam titiriw a edi kan, a ɛkyerɛ sɛ adwumakuw no ayɛ wɔn adwene sɛ wɔbɛtrɛw Blade Battery no mu akɔ akyiri asen n’ankasa kar ahorow.

Raw material sourcing kyerɛ anohyeto kakraa bi sen NMC production. Iron no yɛ Asase no mu abon no mu 5.6%, na ɛma ɛyɛ nea enni anohyeto titiriw wɔ atirimpɔw ahorow a mfaso wɔ so ho. Phosphate a ɛwɔ hɔ no dɔɔso wɔ Morocco, United States, China, ne mmeae afoforo. Asase so nneɛma a ɛntaa nsi, cobalt biara nni hɔ a efi mmeae a ntawntawdi wɔ, nikel supply chain bottlenecks-Band battery no nneɛma a wɔhwehwɛ no ne scaling a ɛtra hɔ daa no hyia yiye.

End-a ɛwɔ{1}}Asetra sohwɛ mu no yɛ soronko wɔ LFP batere ahorow ho fi lithium afoforo-ion nnuru ho. Battery a ɛwɔ blade no mu no nni cobalt, nikel kakraa bi, na ɛde non-toxic cathode nneɛma di dwuma. Saa aduru yi ma nneɛma a wɔsan de di dwuma no yɛ mmerɛw na ɛtew nneɛma a atwa yɛn ho ahyia ho asiane so.

Mprempren LFP a wɔde di dwuma bio no san nya lithium ne iron bɛboro 95% denam hydrometallurgical akwan so. Nea ɛnte sɛ NMC batere a ɛhwehwɛ ahoɔden-Pyrometallurgy a emu yɛ den na ama wɔatew cobalt ne nikel a ɛsom bo no, LFP a wɔsan de di dwuma no yɛ adwuma wɔ ɔhyew a ɛba fam mu na ɛma mframa a wɔtow gu no sua. Nneɛma a wɔasan anya no betumi asan akɔ batere foforo a wɔyɛ so tẽẽ, na ɛde sikasɛm a ɛyɛ kurukuruwa ankasa aba.

Nea ɛto so abien-Asetra Applications trɛw battery no dwumadie a mfasoɔ wɔ so no mu. Battery a ɛyɛ blade a ɛbrɛ ase kɔ 70-80% tumi wɔ kar dwumadie mu no da so ara yɛ adwuma yie ma ahoɔden a wɔde sie. Solar installations, grid stabilization projects, ne backup power systems betumi de EV batere a wɔakɔ pɛnhyen adi dwuma mfe 10-15 bio. Nnwuma a wɔreyɛ a wɔde bɛsɔ ahwɛ wɔ Hamburg ne Berlin no de BYD batere a wɔakɔ pɛnhyen di dwuma de kɔ abɔnten so akanea a ɛma anyinam ahoɔden ne ahoɔden a wɔkora so no so.

Cobalt a enni hɔ no kura abrabɔ pa ho nkyerɛkyerɛmu a ɛboro mfiridwuma mu adwumayɛ so. Wobu akontaa sɛ wiase nyinaa cobalt 70% fi Democratic Republic of Congo Mines, baabi a adwumayɛfo nneyɛe a mmofra adwuma ka ho no ama amanaman ntam afobu. Ɛdenam cobalt a woyi fi hɔ so no, blade battery kwati saa abrabɔ pa ho atɛkyɛ yi koraa-ade titiriw a ɛho hia kɛse bere a adetɔfo ne mmarahyɛfo hwehwɛ nneɛma a wɔde ma mu nhwehwɛmu mu no.

Laboratory specifications ho hia sua sen real-wiase mu nsunsuansoɔ. Nhwehwɛmu pii ayɛ akyi blade battery adwumayɛ wɔ tebea ahorow mu:

Range sɔhwɛ .Byd Han EV a ɛwɔ 76.9 kWh Blade battery no nyaa 520km wɔ WLTP sɔhwɛ mu, a ɛkyerɛ ase kɔ bɛyɛ 148 wh/km average consumption. Wɔ NEDC sɔhwɛ tebea mu no, kar koro no ara duu 605km, ɛwom sɛ NEDC ɔkwan a wɔfa so yɛ adwuma no taa de aba a ɛyɛ anidaso ba bere a wɔde toto karka ankasa ho no.

Nsɔhwɛ a ɛde ne ho a kar ho nsɛm ho amanneɛbɔfo yɛe no yɛɛ 450-480km a ɛyɛ ɔkwan kɛse a wɔfa so ka kar no ho mfonini wɔ ahoɔhare a ɛyɛ 110-130 km/h wɔ wim tebea a ɛyɛ mmerɛw mu. Kurow no mu karka maa eyi kɔɔ 550-580km, na ɛkyerɛɛ mfaso a ɛwɔ so sɛ wɔbɛsan ayɛ breki a ɛma wɔsan yɛ ade bio na wɔtew tumi a ɛkɔ so yɛ adwuma wɔ nkurow akɛse mu no so.

Wim tebea a ɛyɛ nwini nkɛntɛnso .Sɔhwɛ a wɔyɛe wɔ -15℃no kyerɛe sɛ blade battery no hweree bɛyɛ 28-32% wɔ range mu wɔ ɔkwan kɛse so karka mu, a ɛne BYD no mu nsusuwii ahorow hyia. Sɛ wode cabin heating redi dwuma a, range reduction nyinaa duu 35-40%. Preheating battery no ansa na ɛrekɔ no nyaa bɛyɛ 5-10% wɔ saa lost range yi mu.

Nneɛma a wɔsɛe no ho nhyehyɛe .Fleet data a efi BYD taksi ahorow a ɛwɔ Shenzhen, China, a ɛwɔ bɛboro 500,000km a ɛyɛ adwuma no kyerɛe sɛ blade battery no kura 85-88% wɔ mfitiase tumi no mu. Saa kar ahorow yi wiee bɛyɛ 1,500 a wɔde tua ho ka kyinhyia wɔ bɛyɛ mfe abiɛsa a wɔde yɛɛ adwuma no mu, na ɛkyerɛɛ sɛ ɛbɛkɔ 5,{7}} kyinhyia nkwa nna ansa na ɛredu 80% tumi.

Ahobammɔ ho kyerɛwtohɔ .Ɛde besi afe 2024 no, nsɛm biara a wɔakyerɛw ato hɔ a ɛfa ɔhyew a ɛguan ho no sii wɔ BYD kar ahorow a wɔhwɛ so yiye a ɛwɔ batere a wɔde hyɛ mu bere a wɔreyɛ adwuma sɛnea ɛsɛ no mu. July 2021 asɛm a ɛfa wimhyɛn a ɛhwe ase ho sɔhwɛ mu no da so ara yɛ ogya a wɔbɔ ho dawuru a ɛfa mfiridwuma ho, na wɔantumi ankyerɛkyerɛ BYD nkyerɛkyerɛmu a ɛfa onwini a ɛnteɛ ho no mu da. Akontaabu mu no, eyi gyina hɔ ma asɛm a esii a ɛba fam koraa wɔ kar ɔpepem pii mu-mfe a wɔde yɛ adwuma.

LFP chemistry ne soro a ɛyɛ kɛse a wɔaka abom no ma ɔhyew no gyina hɔ soronko. Lithium iron phosphate no nyi oxygen mfi mu bere a ɔhyew no resɛe no, na eyi oxidizer a ɛho hia ma ɔhyew no fi hɔ. Nkrantɛ-nkwaboaa a wɔayɛ no sɛnea ɛte no ma ɔhyew no gyae wɔ asase ani mpɛn 4-5 sen nkwammoaa a wɔtaa de di dwuma no, na esiw ɔhyew a ɛyɛ hu a ɛboaboa ano wɔ tebea horow a wɔde di dwuma ɔkwammɔne so kɛse mpo mu.

Wɔ pack level no, blade battery nya 85-90% a ɛyɛ pɛ NMC ahoɔden density esiane ahunmu utilization a ɛkorɔn nti. Eyi kyerɛ sɛ ɛbɛyɛ 10-15% a ɛba fam wɔ kar a wɔde toto ho mu. Wɔ karkafoɔ dodoɔ no ara fam no, 500km range blade battery vehicle a ɛne 570km NMC kar gyina hɔ no gyina hɔ ma adetɔ a wɔgye tom a wɔde ma wɔ ɛka ne ahobanbɔ mu mfasoɔ ho. Battery a ɛreba a ɛyɛ awo ntoatoaso a ɛto so abien a ɛreba no botae ne sɛ ɛbɛto saa nsonsonoe yi mu akɔ akyiri.

BYD ka 5,000+ charge-yi cycles no kɔ 80% tumi a wɔkora so. Wɔ 300km wɔ charge biara mu no, eyi gyina hɔ ma kilomita ɔpepem 1.5 a wɔde ka kar ansa na asɛe kɛse-a ɛboro kar nkwa nna a wɔtaa de di dwuma no so. Real-World fleet data a efi soro-mileage applications kyerɛ tumi a wɔkora so 85-88% wɔ 500,000km akyi, a ɛfoa nkwa tenten a wɔka no so.

Blade battery yɛ adwuma wɔ awɔw bere mu nanso ne range a ɛso atew-a mpɛn pii no ɛhwere 25-30% tumi wɔ -10℃sɛ wɔde toto 15-20% ma NMC batere. Kar ahorow a ɛwɔ ɔhyew sohwɛ nhyehyɛe a ɛfata a ɛma batere no yɛ hyew ansa na wɔde adi dwuma no betumi asiw ɔhaw yi ano kakra. Wɔ mmeae a awɔw bere a emu nyɛ den anaasɛ karkafo a wɔwɔ sika a wɔde di kan yɛ adwuma no ho ka no, wim tebea a ɛyɛ nwini ho adwumayɛ da so ara yɛ nea wogye tom. Ebia wim tebea a ɛyɛ nwini kɛse no da so ara pene NMC mfiridwuma so.

Blade battery

Blade battery no gyina hɔ ma nea ɛboro ade bi-ɛkyerɛ akwankyerɛ a ɛfa ɔkwan a wɔfa so yɛ adwuma ho ma EV adwumayɛ. BYD gyinaesi sɛ ɛbɛma LFP chemistry ayɛ pɛpɛɛpɛ wɔ ne lineup no nyinaa mu no nyaa akansifo so nkɛntɛnso ma wɔsan susuw wɔn battery strategies no ho.

Tesla agye LFP atom ama gyinapɛn-range models validated BYD's approach. CATL, wiase no mu batere a ɛso sen biara no, maa n’ankasa LFP nkɔso mmɔdenbɔ yɛɛ ntɛmntɛm wɔ mmuaema mu. Europafoɔ a wɔyɛ kar a wɔde di dwuma wɔ amanne kwan so te sɛ Volkswagen ne BMW de nhyehyɛeɛ a wɔayɛ sɛ wɔde LFP batere pii bɛka wɔn daakye kar portfolios ho no too gua, titire ma mass-aguadiɛ afã a ɛka ho hia sene kwan a ɛboro so.

Cell-to{1}}Pack architecture no abɛyɛ nnwuma gyinapɛn. CATL CTP mfiridwuma, Svolt "Short Blade" batere, ne Tesla structure battery nyinaa yi atetesɛm module ahorow no fi hɔ de boa tẽẽ cell integration-De design nyansapɛ no blade battery boa ma nkurɔfo ani gye ho.

Sɛ yɛhwɛ yɛn anim a, ɛho behia sɛ Blade Battery awo ntoatoaso a ɛto so abien no di ne sintɔ ahorow a aka no ho dwuma. Sɛ BYD de 190-210 wh/kg packs a 5-8C charge ma a, mfiridwuma no bɛyɛ pɛ anaasɛ ɛbɛboro NMC adwumayɛ so wɔ metrics dodow no ara a ɛyɛ adwuma mu bere a ɛkura ahobammɔ ne ɛka mu mfaso horow mu. Sɛ ebia saa nkɔso yi bɛba wɔ bere nhyehyɛe mu a, ɛbɛka EV gua no kwan a ɛkɔ so wɔ 2020 mfe no mfinimfini no so kɛse.

Mprempren de, blade battery no wɔ niche a emu da hɔ: ɛka-conscious applications a ahobammɔ ho hia sen range koraa, ne baabi a Lifecycle sikasɛm sen mfiase nkyerɛkyerɛmu. Bere a nneɛma a wɔyɛ no nsenia ne mfiridwuma ho nimdeɛ tu mpɔn no, saa niche no kɔ so trɛw kɔ tumidi titiriw no mu.