Lithium-Ion Traction Battery Pack baarakɛcogo ɲɛnamaya .

Kalo tɛmɛnen an ye 48V 400AH Forklift pake dɔ tigɛ ka bɔ logistiki yɔrɔ dɔ la Pays-Bas. Kunnafonidila ye ŋunankan fɔ ko a sara 1400 cycles la. Lab sɛgɛsɛgɛli y’a jira ko seli saba bɛ modulu 2 kɔnɔ minnu sigilen bɛ 2,6V kan k’a sɔrɔ u sigiɲɔgɔnw ye 3,2V minɛ. O 600mv gap tun tɛ yen tuma min na pake cilen-An ka QC sɛbɛnw y’a jira ko 8MV variance bɛ sɔrɔ jiginni waati. Yɔrɔ dɔ la Rotterdam ni kalo 14 cɛ-Shift baarakɛcogo la, fɛn dɔ taara kɛrɛfɛ.

O bɛ kɛ ka caya ka tɛmɛ spec sheets b’a jira. Wa a nafa ka bon ka faamuyali sɔrɔ mun na.

80% dantigɛli gɛlɛya .

IEC 62620 A bɛ laban-Fa -Life for Industrial Lithium batiriw ɲɛfɔ i n’a fɔ yɔrɔ min na seko ni dɔnko bɛ jigin 80% duguma seko hakɛ la. A ka nɔgɔn kosɛbɛ. A 400AH Pack "Dies" ka 320AH. Sannifeere specs fanba kopi nin ɲɛfɔli daɲɛ.

Nka nin ye min ye IEC 62620 t’a fɔ aw ye: O dakun in sigira sen kan laboratuwari cogoyaw la minnu bɛ kɛ ka kɛɲɛ ni sariya ye. Funteni kɔrɔsilen. charge rates fixe. A ni a ka bɔnɔgɔla cogoya kelenw tun bɛ segin siɲɛ ba caman. Mɔgɔ si tɛ forokiliw baara waati cogoya la 25 degɛrɛ la ni 0,5C ye min bɛ bɔ sisan tuma bɛɛ.

Fɛn min bɛ pakew faga tiɲɛ na joona .

Pays-Bas ka ko in ye a ɲɛsin seliw ka ɲɔgɔndanbaliya bonya ma. An ye nin misali in ye siɲɛ caman walasa k'a dɔn ko a tɛ random ye.

Paki kelen-kelen bɛɛ bɛ ci ni fɛn dɔw ye minnu bɛ ɲɔgɔn falen-falen seliw ni ɲɔgɔn cɛ. Fɛn dilanni muɲuni bɛ yen. Electrode coating thickness bɛ micron ni micron bɛ ɲɔgɔn ta ka tɛmɛ a dilanni sira kan. Electrolyte fill volumes tɛ kelen ye cogo dafalen na. O danfara ninnu ye-N’a sɔrɔla ±1,5% seko danfara min bɛ sɔrɔ kulu kɔnɔ min bɛ mara kosɛbɛ, ±4% walima min ka jugu ni litiyɔmu batiri feerelaw ye minnu bɛ nkɔni tigɛ ni sɛgɛsɛgɛli ye min bɛ na.

Seri sɛrɛ dɔ kɔnɔ, seli min barika ka dɔgɔ, o bɛ teliya sigi. Discharge bɛ jɔ ni o seli bɛ tigɛtigɛ voltage gosi, hali ni se bɛ to seli barikamaw la. Charge bɛ ban ni selilɛri barikama bɛ fa, a bɛ se ka kɛ sababu ye ka selilu barikamaw to u ka charge (sara) dɔɔnin.

Seli barikama bɛ wuli ka taa a fɛ ka kɛɲɛ ni a seko ye. Sikili jugu bɛ SEI bonya teliya grafite anode kan-Elektroliti solide cɛtigɛlen min bɛ dilan a yɛrɛ la baara kɛtuma na nka a bɛ bonya teliya la degunw kɔrɔ. Sikili kelen-kelen bɛɛ, o bɛ bonya. Seli barikama bɛ barika sɔrɔ. Pack capacity bɛ baara kɛcogo jugu nɔfɛ, min bɛ dɔgɔya joona ka tɛmɛ a danma kan.

San 2023 kunnafonidilan dɔ bɔra ɲininikɛlaw fɛ minnu bɛ litiyɔmu-ion seliw kɔrɔ forklift baarakɛcogo lakikaw kɔnɔ, olu ye o fɛɛrɛ in jira tigitigi. Bugunw sɛgɛsɛgɛra ni degere 45 ye, u bɛ teliya ka tɛmɛ degere 35 kan, u ka baara kɛcogo kan. Funteni jiginni bɛ pake kɔnɔ-min bɛ yen tigitigi ka kɛɲɛ ni jɔyɔrɔ, fiɲɛbɔli, ani a gɛrɛgɛrɛ ye motɛrɛ bolicogo ɛntɛrinɛti kan-Danni bɛ o nɔ kelen in da: kɔrɔya kɛcogo bɛnbali, teliyabaliya.

Funteni tɛ spec line dɔrɔn ye .

Forklift industry ka di a ye ka quote operating temperature ranges. "Operates ka bɔ -20 degɛrɛ la ka se degere 60 ma ." Tiɲɛ don, pake bɛna baara kɛ o jɛnsɛnni sira kan fɛɛrɛko siratigɛ la. Nka danfaraba bɛ "baara" ni "laban" cɛ.

Arrhenius ka jɛɲɔgɔnya bɛ kemikoro kɛcogo hakɛw ɲɛnabɔ, wa SEI bonya ye fɛn ye min bɛ kɛ sababu ye ka kemikoro kɛ. Degere 10 o 10 sanfɛ degere 25 , tiɲɛni fɛɛrɛw teliya bɛ se ka kɛ fila ye. pake min bɛ boli ni degere 35 ye funteni hakɛ la min bɛ teliya siɲɛ fila ɲɔgɔn na ni degere 25 ye . Aw bɛ o digi fo ka se degere 45 ma -A bɛ sɔrɔ fɛnmarayɔrɔw la walima pakew kɔnɔ minnu sirilen don chassis yɔrɔw la minnu ka surun ni fiɲɛbɔ man ɲi{-Wa aw bɛ kɔrɔya teliyalen 4x lajɛ.

Sigida nɛnɛmanw bɛ gɛlɛya suguya caman lase mɔgɔ ma. Degere 10 ɲɔgɔn jukɔrɔ , litiyɔmu plating farati bɛ bonya chargement waati la. Litiyɔmu bɛ sɔrɔ anɔdi sanfɛla la sanni ka a don ɲɔgɔn na ka ɲɛ ka kɛ grafite ye. O ye seko bɔnɛ ye min tɛ se ka segin kɔ ka fara lakana ko kan min bɛ se ka kɛ ni plating dalajɛlen don.

An y’a daminɛ ka ladilikan di ko active thermal management-Fan cooling simple, foyi tɛ exotiques- kuntigiw ye Azi gun saheliyanfan suguw la, a kɛlen kɔ ka misali sabatilenw ye pakew kɔnɔ minnu bɛ segin. A ka c’a la, nɛnɛba min bɛ kɛ ka cycle life janya ni 800-1200 cycles ye ka kɛɲɛ ni lamini cogoyaw ye. Ka ɲɛsin kurunba ma min bɛ boli 400+ cycles san o san, o ye san 2-3 wɛrɛ ye baara la.

BMS bɛ se ka min labɛn ani a tɛ se ka min labɛn .

Batiriw ɲɛnabɔli siraw bɛ tension, funteni ani kuran kɔlɔsi. Minnu ka ɲi, olu bɛ seliw balansi charge (sara) waati la. Nka BMS tɛ se ka bɛnbaliya jɔnjɔnw labɛn-A bɛ se ka taamasiɲɛw datugu waati dɔɔnin dɔrɔn.

Balannako balanbali bɛ charge (sara) tɛmɛ ka bɔ seliw la minnu ka bon ka tɛmɛ resistɛriw fɛ. Active balancing shuffles bɛ charge kɛ seliw ni ɲɔgɔn cɛ ka ɲɛ. O fla bɛɛ bɛ 'sèn Bɔ 'voliyɔn na charge (sara) laban na. U fila si tɛ gɛlɛya basigilen ɲɛnabɔ: Ni seli kelen bɛ 380AH minɛ k’a sɔrɔ sigiɲɔgɔnw bɛ 400AH minɛ, balansi bɛ a to u ka se tension kelen na, nka o 380AH selilɛri bɛ dan sigi pake bɔli seko la hali bi.

Quality control lakika bɛ kɛ sanfɛ-cell sugandili, sorting, ani matching sanni pack assembly. Polinovel ka sɛgɛsɛgɛli laɲinitaw ±5mv voltage variance ani ±1,5% seko bɛ bɛn seliw cɛ minnu latigɛra pake kelen kama. O muɲuliw gosili bɛ waati ni wari bɔ. Ka u gosi, o bɛ kɛ sababu ye ka kiliyanw ka cycle life.

Sarali degunw nafa ka bon ka tɛmɛ charge rate kan .

Baarakɛlaw bɛ hami batiri tiɲɛni teliya la. Hakilina kɔnɔ-ko, 0,3C ka se 1C ma LFP chimie la-sara hakɛ bɛ nɔba bila ni a bɛ tali kɛ fɛn wɛrɛw la.

Fɛn min nafa ka bon kosɛbɛ: charge cutoff voltage ani bɔli juguya.

Sɛgɛsɛgɛli minnu kɛra litiyamu kobalt ɔkisizɛni selilɛriw kan, olu y’a jira ko charge cutoff dɔgɔyali ni 100mv dɔrɔn ye-A bɛ sɔn dɔɔnin ka dɔgɔya ka tɛmɛ seko dafalen kan charge kelen-kelen bɛɛ la-Sycle cycle 2-3x janyalen. LFP chimie bɛ yafa ka tɛmɛ, nka sariyakolo bɛ o la. Batiriw bɛ sinsin u dan hakɛ dafalen kan ka tɛmɛ minnu bɛ baara kɛ ni margin ye.

Jibɔ jugumanba bɛ tugu o cogoya kelen na. Paki min bɛ 20-80% SOC cɛ, o bɛna tɛmɛ pake kelen kan min bɛ 0-100% bɔ ni 3-5x ye ka kɛɲɛ ni chimie ni funteni ye. Fleet operators minnu bɛ se ka pakew bonya ni buffer-san ka tɛmɛ u bolili kan ka u bɛɛ lankolonya shift-see materially better lifetime performance.

Nin tɛ teori ye. A bɛ ye an ka garanti kunnafoniw kɔnɔ. Kunnafonidila minnu bɛ baara kɛ ni sɛgɛsɛgɛli ye min man dun waati cogoya-Ko kɔrɔsibagaw bɛ 3,000+ sɛgɛsɛgɛli kɛ cogoya la. Kunnafonidila minnu bɛ baara juguw kɛ sigidaw la, olu bɛ se ka 1500 ye. Seli kelenw, BM kelenw, chimie kelen-Baarakɛcogo danfaralenw, kɔlɔlɔw tɛ kelen ye kosɛbɛ.

Pack Architecture Trade-Offs .

Industriw ka traction pake fanba bɛ baara kɛ ni seri ɲagaminenw ye-parallel configurations. 48V 400AH sitɛmu danma bɛ se ka 4P16S-seli naani kɛ paralɛli la kulu dɔ sigili la, kulu tan ni wɔɔrɔ bɛ ɲɔgɔn kɔ. Parallel grouping bɛ sisan jɛɲɔgɔnya ni fault tolerance dɔw di. Series connections bɛ tension (voltage) jɔ.

Jatew minnu bɛ taa ɲɔgɔn fɛ sanfɛ, olu bɛ se ka muɲu. Kɔnɔnatumu kelen dɛsɛli 4P kulu la, o bɛ kulu seko jigin ni 25% ye nka a bɛ pake in to a ka baara la. O dɛsɛ kelen in na 2p labɛncogo bɛ kulu tila. Minɛn minnu na, baara bilali waati bolodalen tɛ $200-400/lɛrɛ la, baara bɔli baara bɛ kɛ.

A flip side: Jateden minnu ka bon ni ɲɔgɔn ye, olu bɛ se ka gɛlɛyaw masɔrɔ ka mɛn. Kɔnɔnatumuw tilatilali kuran barikama ni sigiɲɔgɔn kɛnɛman saba bɛ dɔgɔya ka bɔ ɲɔgɔndan na, o bɛ se ka kɛ sababu ye ka a sɔrɔli bila kɔfɛ fo ka se selilu caman tiɲɛni ma kosɛbɛ.

O de y’a to seli-Level Monitoring ka tɛmɛ BMS fɛ-A tɛ modulu dɔrɔn de ye-Level-bɛ kɛ nafa ye ka taa a fɛ sanfɛ{4}}Dabagaya baarakɛminɛnw na. Sensɔrɔlan wɛrɛw bɛ musaka dɔ fara a kan, nka a bɛ lasɔmini kɛ ka kɔn o ɲɛ ka ɲɛsin koɲɛw labɛnni ma.

Jigiya lakikaw .

for well-LFP traction packs designed kɔnɔ cogo bɛnnen na-25-35 degɛrɛ baarakɛcogo, selil bɛnkan ɲuman, 80% DOD cycling-expect 2,500-3500 cycles ka se 80% seko hakɛ dantigɛli ma. A ka c’a la, kalolabɔ ɲɛnamaya bɛ tɛmɛ san 8-10 kan, k’a miiri ko a maracogo bɛ cogo la.

Opereli aggressif bɛ o jatedenw degun kosɛbɛ. Kɔnɔnatumuw ka ɲɔgɔn sɔrɔli man ɲi,-Suman sigidaw, ji bɔli juguman basigilen, walima funteni maracogo ɲuman tɛ se ka baarakɛwaati yɛrɛ jigin ka se 1200-1800 ma. An ye dantɛmɛko fila bɛɛ ye.

Danfara min bɛ Best{0}}case ani min ka jugu ni-Case cɛ, o b’a ɲɛfɔ mun na sannifeere jɛkuluw bɛ ka izini litiyamu batiriw jateminɛ, o ka kan ka tɛmɛ kunnafoni kunbabaw kan. A ɲini ka curves degradation sɔrɔ ka bɔ forow la minnu bɛ se ka suma ni ɲɔgɔn ye. Demand cellules consistency data from production. Faamu thermal design philosophy. Lithium batiri OEM jɛɲɔgɔn tɔgɔba o , o bɛ se ka nin kunnafoni ninnu di-ani ka kan ka kɛ, ni hedging tɛ.

O kɔrɔ ye min ye waleyali la .

Baara ɲɛnamaya jateminɛw bɛ kɛ sababu ye ka fɛntigiya jatebɔw bɛɛ lajɛlen kɛ. PACK min bɛ 3000 cycles di, o bɛ $5/cycle di. O pake kelen min bɛ 1500 cycles di, o bɛ $10/cycle. O yɔrɔnin bɛɛ, baarakɛcogo nafaw ka tɛmɛ plɔmu kan-Acid ka dɔgɔ kosɛbɛ.

Fleet ɲɛmɔgɔw minnu bɛ forklift litiyɔmu batiri feerelaw suma ɲɔgɔn na, olu man kan ka jɔ unit price la ani ka cycle life ɲini. Aw bɛ sɛgɛsɛgɛli kɛ selilabana sɔrɔcogo kan. Aw bɛ ɲininkali kɛ tension ni capacity matching tolerances kan pack assembly la. Aw ye garanti daɲɛw faamuya-Kɛrɛnkɛrɛnnenya la, tiɲɛni hakɛ min bɛ da wuli ani baarakɛcogo minnu b’a tiɲɛ.

Batiri litiyɔmu tiɲɛni fiziki bɛ kɛ diɲɛ fan bɛɛ la. Fɛn min bɛ pakew fara ɲɔgɔn kan minnu y’u ka ɲɛnamaya jateminɛlen sɔrɔ minnu bɛ dɔgɔya, olu ye ɛntɛrinɛti kalan ye waati bɛɛ la: seli sugandili, funteni dilancogo, BMS jateminɛ, ani kumaɲɔgɔnya lakika baarakɛcogo gɛlɛyaw kan.

An bɛ LifePo4 traction batiriw dilan fɛnw minɛminɛnw na kabini san 2016. An bɛ misali minnu ye foro seginw na, olu ma Changé kosɛbɛ: funteni degun, selilɛri bɛnbaliya bonya, ani baarakɛcogo minnu bɛ kɛnɛma dilancogo dantigɛliw la, olu de bɛ dɛsɛ fɔlɔw fanba caya. Paki minnu bɛ baara kɛ ka ɲɛ, olu bɛ ɲɔgɔn sɔrɔ jogo kelenw na-seliw ma bɛn, funteni hakɛ bɛnnenw, ani baarakɛlaw minnu bɛ u dan faamuya.

O tɛ nisɔndiyako ye ka tɛmɛ breakthrough chimie laseliw kan. Nka o de b’a jira n’i ka kurunba bɛ baara ɲɛnamaya ye i ka jago ko ye min ta.