Sinuwaw ka fɛn dilannikɛlaw-CATL Holding 37.9% Global Share, BYD ni 17,2%- ye musaka jɔyɔrɔw sɔrɔ sɛgɛsɛgɛli ni taabolo kɔgɔli fɛ, mɔgɔ wɛrɛw bɛ gɛlɛya sɔrɔ ka segin minnu kan. Sannikɛlaw fɛ, takeaway tɛ "San Sinuwaw" ye hali dɔɔnin. O ye ko i ka kan ka baarakɛcogo ɲuman lakika ni nkɔni{6}}tigɛ danfara bɔ ɲɔgɔn na.

Elektɔri dilanni .

Elektɔri sɔrɔli bɛ kɛ 45% ɲɔgɔn na a dilanni musaka bɛɛ lajɛlen na. Nin dakun in bɛ kuran-sɛnɛcogo dɔw Sìgi sen kan minnu bɛ Se ka Kɛ ni jigin-ni-sɔn-cogo ye.

Sɔgɔsɔgɔ labɛnni .

A dilanni bɛ daminɛ ni sɔgɔsɔgɔninjɛ ɲagaminen ye. Katodi furakisɛw bɛ fɛnw fara ɲɔgɔn kan minnu bɛ baara kɛ-Lithium cobalt oxide (Loo₂), Lithium nɛgɛ fositɛri (LFP), walima nikɛri-manganɛsi-Kobalt (NMC)-ni carbone black i n’a fɔ fɛn min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ. Anɔdiw bɛ baara kɛ ni grafite ye ni CMC ka fɛnɲɛnamafagalanw ni SBR binder ye ji la-Sistema minnu sinsinnen bɛ.

Fila-Stage ɲagami: Ja fɔlɔ ka aglomerates kari, o kɔfɛ ka jigin ka se ka jɛnsɛn cogo kelen na. Vacuum conditions (fiɲɛbɔlanw) ɲagami waati (0,01 mbar lamini na) fiɲɛ min bɛ don a la, o bɔ min tun bɛna daamu nafamafɛnw lase duguma. A bɛ iko a detail-fo i bɛ gɛlɛyaw ɲɛnabɔ porosity gɛlɛyaw la seli labanw na.

Binder kɔnɔkow bɛ ɛntɛrinɛti jago lakika dɔ Dabɔ. Aw bɛ a dɔgɔya walasa ka fanga density (dansi) caya. Aw bɛ taa duguma kojugu ani nɔrɔli bɛ dɛsɛ wotoro boli waati la. Industriw ka sariyaw sigilen bɛ 5% PVDF lamini na katodiw kama ani 6% CMC/SBR kama anɔdiw kama, nka olu bɛ ladilanni de wajibiya ka da fɛnw fɛnɲɛnamafagalanw cogoya kan. Dilanbaga minnu bɛ se kosɛbɛ, olu b’u ka fɛnw dɔn kosɛbɛ walasa ka o dancɛw gɛlɛya. Mɔgɔ minnu tɛ ko dɔn kosɛbɛ, olu bɛ spec sheets ani jigiyaw kopi kɛ ka ɲɛ.

Coating .

Slot-Die coating bɛ fanga sɔrɔ batiri fanga dilanni na. Fɛɛrɛ bɛ se ka janya kelen sɔrɔ mikromɛtiri 3 kɔnɔ-Waajibiyalen ni elekitorode doni bɛ selilɛri seko dantigɛ k’a ɲɛsin a ma. A daji bɛ boli 100-300μm janya la, a bɛ kɛ aliminiyɔmu foroko la (12-20μm) katodiw ni nɛgɛdaga (10-20μm) kama anɔdiw kama.

Jali kɛlen kɔfɛ, o bɛ 48% ɲɔgɔn dun elekitorode dilanni waati bɛɛ la. Multi-zone forow bɛ funteni jiginniw boli degere 95-120 cɛ walasa ka solvent bɔ. Dɛsɛ cogo fila bɛ fɛn dilannikɛlaw tɔɔrɔ yan.

Aw bɛ ja teliya kojugu ani ka a siri ka taa elekitorode sanfɛla la, ka nɔrɔli dɔgɔya ka taa sisan dalajɛlan na. Fɛnɲɛnɛmaw bɛ Bɔ ɲɔgɔn na tiɲɛ na ni u falenni ni u sɔgɔli ye siɲɛ caman na wotoro boli waati la. Aw bɛ a ja dɔɔni dɔɔni ani ji tolen bɛ kɛ ni elektrɔli ye baara kɛtuma na, gazi bɔli ani ka selilɛriw funu.

An ye dɛsɛ cogoya fila bɛɛ ye foro segin-ka-bɔnyew la. Ja gɛlɛya ye insidi ye bawo fɔlɔ jogo sɛgɛsɛgɛli bɛ tɛmɛ ka ɲɛ. Cells test normalement. kurun ka taa kiliyan. Kalo wɔɔrɔ o kɔfɛ, garanti ɲininiw bɛ daminɛ ka na.

CalEndering .

Roll (Roll) digilen bɛ elekitorode jalenw dacogo digi. Laɲini porosity bɛ jigin 30-40%-enough yɔrɔ la min bɛ se ka kɛ elekitoroliti doncogo ni ion ta ye, nka density (dansi) ka bon walasa ka volumetrique maracogo caya.

Sɔrɔ dɔ min ye waati dɔ ta an ye walasa ka faamuyali sɔrɔ: Kaliw ka wuli teliya ka bon tiɲɛ na, o bɛ dɔ bɔ ionw ka rezisti la elekitorode dafalenw na. O fɛɛrɛ in bɛ tali kɛ cogo min na degun bɛ nɔ bila particules contact geometry la, ka litiyɔmu-ion sira ɲumanw dilan. Nin taabolo dɔnniya suguya in man teli ka bɔ kunnafonidisɛbɛnw kɔnɔ nka a bɛ jira ka jɛya seli baarakɛcogo kunnafoniw kɔnɔ.

Selilɛriw lajɛ .

Assembly phase bɛ na ni elekitorode ye ɲɔgɔn fɛ ni separators ye ka kɛ selil structures ye. Silindriw ka winding, prismatic stacking, pouch configurations-A cogoya bɛ danfara nka a lajɛli gɛlɛya jɔnjɔnw bɛ to cogo kelen na.

Elektɔriw ka ɲɔgɔnfaamu ani N/P hakɛ .

Negatif-ka-Electrode seko hakɛ ɲuman (N/P ratio) ka kan ka tɛmɛ 1,0 kan yɔrɔ bɛɛ la elekitorode sanfɛ. Aw bɛ jigin kelenya jukɔrɔ waati o yɔrɔ la ani litiyɔmu ionw tɛ yɔrɔ si sɔrɔ chargement waati la. O kɔlɔlɔ: Litiyɔmu nɛgɛ plati anɔdi sanfɛ, a bɛ se ka tiɲɛ ani a bɛ farati surunw dabɔ{5}}circuit.

Overhang specifications bɛ 300-1000μm tolerance boli. A ka gɛlɛn ka tɛmɛ a mankan kan ni i bɛ boli ka bɔ ni teliya ye.

Separatɛri kurukuruw ni elekitorode ɲɔgɔndanbaliya bɛ kɛ foro dɛsɛ sababu fɔlɔw cɛma. O fiɲɛw bɛ don ɲɔgɔn na lajɛ waati la, ka tɛmɛ ni jogo sɛgɛsɛgɛli fɔlɔw ye, o kɔfɛ u bɛ jira wotoro boli waati la n’a waati tɛmɛna ka fɛn dɔ kɛ fo ka se u ka garanti ɲininiw ma.

Electrolyte ka ɲɛfɔli .

Elektroliti furakɛlicogo sariya-1.2M LIPF₆ EC:DMC solvant-reacts aggressively ni ji ye. A bɛ asidi idrofluoriki sɔrɔ min bɛ selilɛri kɔnɔna nɔgɔya. O de y’a to elekitoroliti falen bɛ kɛ so jalenw na ni sigida kɔlɔsiliw ye minnu bɛna kɛ i n’a fɔ u bɛ tɛmɛn fɛn dilanni sira tɔw kan.

So jalen baarakɛcogo bɛ 29-43% bɔ izini fanga bɛɛ lajɛlen na. Baarakɛlaw minnu bɛ elekitoroliti yɔrɔw la, olu bɛ ninakili-yɔrɔw don-fiɲɛ min bɛ bɔ ni fiɲɛ ye, o bɛ ji caman don u la ka se selilu nɔgɔlenw ma.

Vacuum fali ni 0,01 MBAR lamini ye elekitoroliti doncogo teliya. Ji dafalen bɛ hali bi lɛrɛw ni tile caman ta ka kɛɲɛ ni elekitorode porosity ani cell geometry ye. Dilanbaga dɔw bɛ funteni hakɛ jiginni kɛ degere 30-50 na walasa ka elekitoroliti sɔgɔli dɔgɔya ani ka baara teliya.

Forow ka wotoro ni kɔrɔya .

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Cell finishing-Formation, degassing, kɔrɔya-A bɛ se 33% ma fɛn dilanni musaka la. O dakun in bɛ kɛ sababu ye ka fɛn kelen dilan min bɛ kɛ ka fɛnw dilan.

SEI Layer Formation .

Charge cycle fɔlɔ bɛ solide electrolyte interphase (SEI) layer dilan anode sanfɛ. Nin passivation layer in ka kan ka dense ka se ka electrolyte decomposition min bɛ sen na ka sɔrɔ ka to ion-conductive. Foromasiɔn bɛ tugu voltage thresholds (voltaji) dantigɛliw kɔ:

Standard formation bɛ baara kɛ ni C-rate (0.05C-0.2C) dɔgɔya ye sanga 10-86 kɔnɔ. Conservateurs nka slow-cells bɛ formation minɛnw minɛ fo dɔgɔkun fila ka sɔrɔ ka kɔrɔya sinsinni dafa.

Sɛgɛsɛgɛli minnu bɔra Energy & Environmental Science kɔnɔ, olu b’a jira ko teliya sɔrɔli 1C+ la ni elekitorode jugu ye min bɛ kɔrɔsi, o bɛ dɔ bɔ jɔli waati la ka se sanga 2 ma ka sɔrɔ ka cycle life janya fo ka se 50% ma (pubs.rsc.org). Kɛnɛma degun sɔrɔli waati la (fo ka se 1,9 kN ma) o bɛ taabolo teliya ka taa a fɛ. Dilanbaga minnu ye nin protocolw waleya, olu bɛ nafa caman sɔrɔ ka tɛmɛn. Dɔw fana bɛ boli dɔgɔkun kɔnɔ-Long formation cycles.

Mun na kɔrɔya tɛ se ka tɛmɛ .

Post-Formation kɔrɔya bɛ kɛ tile damadɔ kɔnɔ ka se dɔgɔkun saba ma. A bɛ sira di SEI sabatili ma, gazi jɛnsɛnni ma, ani-Kɔrɔlen-A bɛ kɔnɔna nafamafɛnw jira i n’a fɔ u yɛrɛ-Discharge sanni u ka ci.

An ye nin kalan in sɔrɔ kiliyan dɔ ka ko kɛlen fɛ. U ye seliw sɔrɔ ka bɔ fɛn dilannikɛla dɔ la min bɛ sɔngɔko jugu kɛ. O fɛn dilanbaga tun ye kɔrɔya waatiw surunya walasa ka baara kɛcogo ɲɛ. Kɔrɔbɔli fɔlɔ tun bɛ i ko a ka ɲi. Kalo tan ni fila ka don baara la, yɛrɛ-Discharge rates tun jiginna 3x kan ka tɛmɛn fɛn ɲɛfɔlenw kan. O sigili bɛɛ tun bɛ kɛ ni selilɛri caman cili ye.

Kɔrɔya bɛ baarakɛla ka kapitali jira min sirilen bɛ fɛnmarayɔrɔw la. Kɔrɔbɔli min bɛ kɛ ka a surunya, o ye tiɲɛ ye. O kɔlɔlɔw ye o sɔrɔ kɔfɛ.

Quality Contrôle .

Lithium-ion dilanni bɛ kɛ ni jogo ɲuman paramɛtiri 2000 ɲɔgɔn ye minnu bɛ kɔlɔsili ni kɔrɔsili wajibiya-jate min fɔra Honeywell fɛ u ka gigafactory automation sɛbɛnw kɔnɔ (Thechemicangineer.com). Production ramp waati la-up, scrap rates bɛ se ka 30-75% sɔrɔ masin hakɛ la. Nin tɛ Six Sigma kɛrɛfɛ yɔrɔ si.

fiɲɛ fɛɛrɛw nafa ka bon ka faamuyali sɔrɔ .

Walasa ka fɛnw dilanbagaw ka setigiya sɔrɔ, o fɛɛrɛw bɛ ɲininkali kɛrɛnkɛrɛnnenw jira. Nɛnɛ bɛ se ka kɛ cogo jumɛnw na minnu bɛ boli dacogo siraw kan? Fɛnfeerela bɛ N/P hakɛ sɛgɛsɛgɛ cogo di elekitorode sanfɛlaw cɛ? U bɛ baara kɛ ni formation protocoles jumɛnw ye, ani kunnafoni jumɛnw bɛ nafa jira?

Kɔrɔbɔli ni seereyaw .

Kɔnɔnatumu labanw bɛ HI-Pot sɛgɛsɛgɛli kɛ (200-500V) walasa ka se ka u dɔn waati kunkurunnin kɔnɔ, ka seko jateminɛ walasa ka seliw bɛn kuluw ma, ani OCV kɔlɔsili marali waati la walasa ka yɛrɛdɔnbaliya bɔ.

Seereyaw bɛ musaka fara a kan nka a bɛ jogoɲumanya dafalen sinsin:

Tiɲɛ-Duniɲa ka sɔrɔko sɔrɔko .

Fɛn dilanni gɛlɛya min ɲɛfɔlen don sanfɛ, o bɛ nɔ bila fɛntigiya musaka bɛɛ lajɛlen na. Enterprise Fleet Management ka sɛgɛsɛgɛli ni Geotab ye mobili 91252 kɔnɔ, o y’a jira ko 13% bɛ se ka wuli joona sɔrɔko siratigɛ la ni EVw ye, ka dɔrɔmɛ miliyɔn 167 jira ka kɛ warimaralan ye-Dɔɔrɔ kelen na, o bɛ se ka kɛ mobili kelen ye{{

Amazon ka baara 25,000+ Rivian Electric Delivery Vans bɛ ɲɛfɔli kɛ-skala waleyali kan. U ka ladamu doni ɲɛnabɔcogo ye dɔ fara chargement fanga kan ni 40% ye ani ka charge waati tigɛ ni sanga 2 ɲɔgɔn ye mobili kelen na. Infrastructure investissement bɛ mankutu sɔrɔ dɔrɔn ni batiri selilɛriw bɛ baara kɛ ni dannaya ye baarakɛcogo ɲɛnamaya kɔnɔ.

FedEx y’a jira ko kuran wotoro minnu bɛ Manhattan, olu ye 15% caman di pakew lasecogo ma lɛrɛ kɔnɔ ni i ye u suma ni mobili kɔrɔw ye. O nafa sɔrɔli nafa bɛɛ bɛ bɔ seli baarakɛcogo basigilen na-Fɛn min bɛ segin ka taa fɛn dilanni taabolo kɔlɔsili la.

Sourcing implications .

Bugunw minnu bɛ bɔ fɛn dilannikɛlaw la minnu sigilen don, ni u dilanni sira kɔgɔlenw bɛ u la, olu bɛ farati dɔgɔya ka tɛmɛ fɛnw kan minnu bɛ bɔ fɛn kuraw la minnu bɛ jiginni na hali bi kalansira kan. O bɛ kɛ hali n’i bɛ sɔrɔ CATL, BYD, LG Energy Solution fɛ, walima fɛn dilannikɛlaw kɛrɛnkɛrɛnnenw fɛ minnu bɛ baara kɛ suguya kɛrɛnkɛrɛnnenw na.

Sani-Sanni min sinsinnen bɛ fɛn dilanni kɔgɔli kan, o bɛ musaka dogolenw lase: garantiw fɔli, jɛɲɔgɔnya gɛlɛyaw ka bɔ seli la-ka se{2}}seli caman ɲɔgɔnna, ani seko teliya bɛ dɔgɔya ka ɲɛsin sistɛmu sɔrɔko ma ka tɛmɛ sigili ɲɛnamaya kan.

Baara minnu bɛ kɛ ni baarakɛcogo kɛrɛnkɛrɛnnenw ye-Sigili ɲɛnamayaba, funteni baarakɛcogo, cogoya kɛrɛnkɛrɛnnenw-Baarakɛcogo ni dilanbagaw ye minnu bɛ baarakɛcogo kɔlɔsili seko jira, o bɛ nafa di seli sɔngɔ kɔfɛ. Fɛɛrɛbɔ jɛ-ka-baara seliw sugandili senfɛ, sɛgɛsɛgɛli sariyaw bɛ bɛn baarakɛcogo wajibiyalenw ma, ani fɛnw dilancogo jɛlen bɛɛ bɛ kɛ sababu ye ka baara kɛ ka ɲɛ.

*Ka ɲɛsin fɛɛrɛko ɲininkaliw ma litiyɔmu-ion batiriw ɲɛfɔcogo kan, pakew labɛncogo labɛnniw kan, walima fɛnw dilanbagaw ka setigiya dɛmɛni kan, Polinove Engineering jɛkulu bɛ barow bisimila ni poroze ɲɛmɔgɔw ye minnu bɛ batiriw furakɛli jateminɛ izini baarakɛminɛnw kama.*