LiFePO4 ye mun ye?

LiFePO4 ye batiri ye min bɛ se ka charge (sara) kokura, a bɛ baara kɛ ni min yelitiyamu nɛgɛ fositɛrii n’a fɔ a ka katodifɛn. Nin chimie in bɛ lakana danfaralen di, cycle ɲɛnamaya min bɛ tɛmɛ charge 3000 kan, ani funteni sabatili, laadala litiyamu-ion batiriw tɛ se ka bɛn min ma.

Litiyamu nɛgɛ fosifati batiri - min bɛ wele tuma caman na ko LiFePO4 batiri walima LFP batiri - ye litiyamu-ion batiri sugu ye min bɛ se ka charge (sara) kokura, min bɛ litiyamu nɛgɛ fositɛri (LiFePO4) kɛ a ka katodifɛn ye ani karɔbɔni grafiti i n’a fɔ anode. Seli kelen-kelen bɛɛ bɛ 3,2V tɔgɔla wulicogo bɔ, ani seli naani minnu sirilen don ɲɔgɔn na, olu bɛ kɛ 12,8V cogoya jɔnjɔn ye min bɛ kɛ jagokɛcogo fanba la.

Fɛn min bɛ litiyamu nɛgɛ fositɛri batiriw bɔ litiyamu-ion kemisi wɛrɛw la i n’a fɔ NMC (nikɛri manganɛsi kobalt) walima NCA (nikɛli kobalti aluminiyɔmu) o ye jogo saba faralen ye ɲɔgɔn kan minnu nafa ka bon kosɛbɛ baarakɛyɔrɔw la minnu ka gɛlɛn kosɛbɛ: funteni sabatili, cycle si janya, ani u tigiyali musaka bɛɛ lajɛlen.

LiFePO4 ka olivini kristali jɔcogo bɛ fositɛri-okisizɛni jɛɲɔgɔnya barikama kɛrɛnkɛrɛnnenw dilan minnu bɛ se ka tiɲɛni kɛlɛ hali funteni jugumanba walima chargement over. Yɔrɔ minnu na kobalt-litiyɔmu seliluw bɛ farati la ka boli funteni na funteni caman na, litiyamu nɛgɛ fositɛri seliluw bɛ to u jɔcogo la - u tɛ oksizɛni bɔ walasa ka jenini balo. O kemikɛli sabatili danbe in de y’a to LFP kɛra kemikoro ye min ka di kosɛbɛ baarakɛminɛnw na, batiriw bɛ baara kɛ yɔrɔ minnu na, yɔrɔ minnu datugulen don walima minnu ka gɛlɛn-se{6}}, k’a ta forokilida yɔrɔw la ani minɛnko bolifɛnw na ka se awiyɔnbonda dugukolo dɛmɛminɛnw ma.

Sikili baarakɛcogo siratigɛ la, litiyamu nɛgɛ fosifati batiri ɲumanw bɛ to ka 3000 fo 5000 charge dafalen-discharge cycles di k’a sɔrɔ u bɛ u seko fɔlɔ 80% mara. Ni kɔrɔsili kɛra, selilu dɔw bɛ tɛmɛ 10 000 kan. Ni an y’a suma, a ka c’a la, NMC batiriw bɛ se ka 1000 fo 2300 cycles dɛmɛ, wa laadala plɔmu-asidi batiriw bɛ 300 fo 500 cycles ɲɛnabɔ sani u ka wuli. Ka ɲɛsin kurunba baarakɛlaw ma minnu bɛ baara caman kɛ -yɔrɔ caman na - batiriw bɛ taa yɔrɔ minnu na don o don walima hali siɲɛ caman tile kɔnɔ - o danfara bɛ baara kɛ k’a ɲɛsin u cili hakɛ dɔgɔyali ma ani ka dɔ bɔ u jɔli waati la san 10 kɔnɔ minɛnw ɲɛnamaya kɔnɔ.

Fɛnɲɛnɛma minnu bɛ kɛ litiyamu nɛgɛ fositɛri batiriw la, olu fana bɛ kɛ sababu ye k’u ta ka caya. Nɛgɛ ni fositɛri ye fɛnw ye minnu ka ca dugukolo kan, wa o kemisɛri tɛ kobalt ni nikɛri wajibiya. O bɛ sɔrɔko gɛlɛyaw ni jogoɲumanya sɔrɔko haminankow bɔ yen minnu bɛ tali kɛ o nɛgɛw la, ka sɔrɔ ka seli-ni musakaw to ɲɔgɔndan na. Kabini san 2024, LFP selilɛriw bɛ sɔrɔ dɔrɔmɛ 56–70 ɲɔgɔn na kilowati kelen na sɛgɛsɛgɛli la, o b’a to u ye litiyamu-ion sugandilen ye min musaka ka bon kosɛbɛ, izini batiriw la minnu fanga ka bon.

Fɛnw tali, kuran mɔbili, ani izini minɛnw seko ni dɔnko siratigɛ la, litiyɔmu nɛgɛ fositɛri batiri fɛɛrɛ bɔra chimie wɛrɛ la ka taa sugandili daminɛ na baarakɛcogo la minnu bɛ baarakɛcogo dannaya bila jɔyɔrɔ fɔlɔ la ka tɛmɛ fanga hakɛ caya kan. Polinovel ka LiFePO4 batiriw dilannen don nin chimie in lamini na, ka BMS lakanani kɔrɔlenw fara ɲɔgɔn kan ni seliluw ye minnu sugandira ka ɲɛsin bɔli kɛrɛnkɛrɛnnenw ma ani sigida cogoyaw maforokiliw, reach kamiyɔnw, gɔlf wotoroninw, AGVw, ani jagokɛminɛn wɛrɛw.

LiFePO4 batiriw jɔcogo jɔnjɔn ye fɛn fɔlɔ saba ye minnu bɛ baara kɛ ni kuran bɛnkan ye. Katodi bɛ baara kɛ ni litiyamu nɛgɛ fosifati (LiFePO4) ye, anode bɛ baara kɛ ni grafiti karɔbɔli ye, ani litiyɔmu ionw bɛ wuli o elekitorode ninnu ni ɲɔgɔn cɛ ka tɛmɛ danfaralan dɔ fɛ.

Fɛn min bɛ nin chimie in kɛ fɛn ye min ka di kɛrɛnkɛrɛnnenya la, o ye nɛgɛ fositɛri yɛrɛ ye. Kovalɛn sirili barikama min bɛ (PO4)3− polianiyɔn kɔnɔ, o bɛ dɔ bɔ kovalɛn sirili la nɛgɛ ionw na, ka redox fanga jigin walasa ka 3,2V tɔgɔla tension sɔrɔ seli kelen na. O ni litiyamu kobalti ɔkisidi selilɛriw tɛ kelen ye 3,7V walima litiyɔmu nikɛri manganɛsi kobalti ɔkisidi cogoyaw la.

Chargement (sarali) waati, litiyamu ionw bɛ Bɔ nɛgɛ fositɛri katodi la ka Tɛmɛ elektrɔliti fɛ walasa k’u yɛrɛ Dòn grafite anode ka layɛrɛ-yɔrɔ la. Ni i ye batiri bɔ ni doni dɔ sirili ye, o ionw bɛ sira kɔsegin, ka segin ka taa katodi la k’a sɔrɔ ɛlektrɔnikiw bɛ tɛmɛ kɛnɛma sɛrɛkili fɛ walasa ka fanga di. O fɛɛrɛ in cɛɲi bɛ sɔrɔ a jɔcogo sabatili la-LiFePO4 ka olivini kristali jɔcogo bɛ fɛn caman yeli kɛ a hakɛ caman na o ionw lamagacogo ninnu na, o bɛ kɛ sababu ye ka sɛrɛkili si janya kabakoma sɔrɔ.

Danfara min bɛ LiFePO4 ni litiyamu-ion batiri kɔrɔw cɛ, o bɛ tɛmɛn chimie taamasiɲɛw kan. Litiyamu-ion batiri jɔnjɔnw bɛ baara kɛ ni kobalt ɔkisidi (LiCoO2), manganɛsi ɔkisidi (LiMn2O4), walima nikɛri-bɔlenw ye i n’a fɔ katodi fɛnw. Olu bɛ fanga caman di-o kɔrɔ ye ko fanga caman bɛ kilo kelen na-nka musaka bɛ kɛ.

LiFePO4 bɛ jago kɛ ni fanga hakɛ dɔgɔyalen ye 14% ɲɔgɔn na walasa ka lakana jogo ɲumanw sɔrɔ kosɛbɛ. Nɛgɛ fositɛri jɔcogo bɛ to a cogo la funteni na, kobalt-basigilenw bɛ don yɔrɔ minnu na funteni bolila. Hali ni telefɔni seleke naani batiri bɛ se ka pɛrɛn ni a sɔgɔra walima ni a chargera kojugu, LiFePO4 selilɛriw bɛ u dafalen mara. U jɔyɔrɔba la, u tɛ se ka jeni dɛsɛ cogoya nɔgɔmanw na.

Simi fana bɛ kobalt ni nikɛli-fɛn fila bɛɛ bɔ yen minnu bɛ sigida haminankow lawuli ani ka gɛlɛyaw lawuli sɔrɔko cakɛda la. Nɛgɛ ni fositɛriw ka ca dugukolo kɔnɔ, o b’a to LiFePO4 dilanni musaka ka dɔgɔ kosɛbɛ. KELEN2020 sàn fanga minisiriso ka sɛgɛsɛgɛlisɔrɔlen LiFePO4 batiriw musaka bɛ dɔgɔya 6% ɲɔgɔn na kilowati-lɛrɛ kelen kɔnɔ ka tɛmɛ NMC batiri wɛrɛw kan, ni danfara bɛ ka bonya ni u dilanni bɛ ka bonya.

Diɲɛ LiFePO4 batiri suguya sera dɔrɔmɛ miliyari 17,2 ma san 2024, wa a jirala ko a bɛna bonya ni 15,7% ye san kɔnɔ fo san 2034, ka se miliyari 73,68 ma. Nin tɛ bonya ye min bɛ kɛ ni hakilina ye-a bɛ fɛn caman jira fɛn caman tigɛli la iziniw bɛ miiri cogo min na fanga marali la.

Tesla y’a ka batiri nafama-scale caman wuli ka kɛ LiFePO4 ye san 2021. Sisan, a ka baarakɛda bɛ baara kɛ ni LFP chimie ye standard-range Model 3 ani Model Y mobili bɛɛ la minnu dilannen don Ɔkutɔburukalo san 2021. BYD, n’o ye diɲɛ kuran mɔbili dilannikɛla filanan-ba filanan ye, o fana y’a cɛsiri o cogo kelen na chimie la. Nin tɔn fila ninnu faralen ɲɔgɔn kan, u ye LFP batiri bɛɛ 68% bila EV sugu la ka se san 2022 sɛtanburukalo ma, waati min na LFP ye kuran mɔbili batiri sugu bɛɛ lajɛlen 31% minɛ.

Sinuwa fɛn dilannikɛlaw de bɛ fanga sɔrɔ sɛnɛko la sisan, u bɛ diɲɛ LFP dilanni seko 90% ɲɔgɔn mara. O ɲɔgɔndan in bɛ bɔ patɔrɔn lakanani fɔlɔ la min ye dan sigi Tlebi jamanaw ka yiriwali la, hali ni patɔrɔn jɔnjɔnw y’a daminɛ ka ban san 2022. Ford ye laɲiniw laseli san 2023 feburuyekalo la walasa ka dɔrɔmɛ miliyari 3,5 bila Misigini izini dɔ la min bɛ LFP batiriw dilan a ka kuran mɔbiliw labɛncogo kama-o ye taamasyɛn ye min b’a jira ko Tlebi jamanaw dilannikɛlaw bɛ chimie nafa jiracogo dɔn.

Kɛnɛya sabatili seko ni dɔnko siratigɛ la, o fana bɛ tali kɛ o cogo kelen na. Baarakɛda minnu bɛ i n’a fɔ Enphase, olu ye sigiyɔrɔw LFP siratigɛw daminɛ, wa u tɛmɛna Tesla ni LG kan, k’a kɛ so fanga maracogo taamasiyɛn ye min fɔra kosɛbɛ-Amerika jamana kɔnɔ san 2021. Simi in ka lakana, ɲɛnamaya jan, ani musaka{3}}nafa sɔrɔli faralen ɲɔgɔn kan, o bɛ bɛn kosɛbɛ baarakɛcogo ma, batiriw bɛ se ka baara kɛ yɔrɔ minnu na san tan caman kɔnɔ ni ladonni fitinin ye.

LiFePO4

LiFePO4 batiri ɲuman bɛ charge cycle 3000 ni 5000 cɛ k’a sɔrɔ a bɛ 80% mara a seko fɔlɔ la. Premium cellules i n’a fɔ EcoFlow DELTA Pro kɔnɔ, olu bɛ se ka 6500 cycles sɔrɔ ka sɔrɔ ka jigin ka se 50% seko ma. Aw bɛ o suma ni laadala litiyamu-ion batiriw ye minnu bɛ 500 fo 1000 cycles dɛmɛ, walima plɔmu{15}}asidi batiri minnu bɛ 300 fo 500 cycles dɔrɔn ɲɛnabɔ.

O bɛ baara kɛ ni danfara yelenw ye minnu bɛ se ka ye. Tile fanga marayɔrɔ min bɛ baara kɛ ni LiFePO4 batiriw ye, o bɛ se ka baara kɛ ni dannaya ye san 10 fo san 15 ni don o don wotoro boli ye. O kɛcogo kelen min bɛ kɛ ni litiyamu-ion standard ye, o bɛ se ka kɛ sababu ye ka fɛn wɛrɛ bila a nɔ na san 3 fo san 5 kɔfɛ, wa a ka ca a la, asidi plɔmu-sisɛtiw mago bɛ baara la san 2 kɔnɔ.

Batiriw bɛ bɔli wulicogo basigilen mara u ka taama bɛɛ kɔnɔ. A tɛ i n’a fɔ plɔmu-asidi batiri minnu bɛ tension jigin kosɛbɛ ni u bɛ dɔgɔya, LiFePO4 selilɛriw bɛ to ka jɔ u ka tension tɔgɔlama kɛrɛfɛ fo ka se 90% ɲɔgɔn ma. O jogo in b’a to minɛn minnu sirilen don ɲɔgɔn na, olu bɛ fanga sabatilen sɔrɔ k’a sɔrɔ gɛlɛyaw ma sɔrɔ tension (voltaji) labɛnni na.

Funteni muɲuni bɛ daminɛ -4 degere F (-20℃) la ka se 140℃F (60℃) ma baarakɛcogo la, hali ni chargement ɲuman bɛ kɛ 32℃F (0℃) ni 113℃F (45℃) cɛ. Batiri minnu bɛ kɛ ni litiyamu-ion ye, a ka c’a la, olu bɛ degere 32 F fo ka se degere 113 ma walasa u ka baara kɛ cogo la min tɛ mɔgɔ tɔɔrɔ. O yɔrɔ bonyalen in b’a to LiFePO4 bɛnnen don baarakɛcogo la waati jugumanba la-tile sigiyɔrɔw la kungo kɔnɔ maraw la walima fanga kɔkanna sigidaw la artik duguma cogoyaw la.

Fosifate-based katodi jɔcogo bɛ funteni ni kemikali sabatili danma di min bɛ batiri lakanani fanga caman Changer fondamentalement. Ni litiyamu kobalti ɔkisidi batiriw sumana kojugu, oksizɛni bɛ bɔ katodi jɔcogo la, ka jenini balo a yɛrɛ-sɔrɔta funteni bolicogo la. P-O jɛɲɔgɔnya barikama minnu bɛ litiyamu nɛgɛ fositɛri la, olu bɛ o tiɲɛni in kɛlɛ hali ni funteni caman bɛ yen.

Kɔrɔbɔli bɛ o sabatili jira. LiFePO4 selilɛri chargement dafalen dɔ sɔgɔli walima a mugumugu, a ka c’a la, o bɛ na ni kɔnɔna surunya-circuiting ni funteni bɔli ye nka tasuma walima binkanni tɛ. O sɛgɛsɛgɛli kelen min bɛ kɛ litiyamu kobalti ɔkisidi selilɛri kan, o bɛ to ka jeni jugumanba bila mɔgɔ la. O lakana hakɛ in bɛ sira diLiFePO4 batiriw ka baara kɛ yɔrɔ datugulenw na i n’a fɔ RV kɔnɔna, kurunbonkariyɔrɔw, walima sigiyɔrɔ garaziw k’a sɔrɔ fiɲɛbɔli caman ma kɛ-hali ni fiɲɛbɔ basigilen bɛ to ladilikan ye batiri sitɛmu suguya bɛɛ la.

Simi bɛ chargement overcharge muɲu ka ɲɛ ka tɛmɛ alternatives kan. Hali ni ni a tɛmɛna 3,6V kan selil kelen na chargement (sarali) waati la, o bɛ se ka kɛ sababu ye ka tiɲɛni kɛ dɔɔni dɔɔni, o tɛ farati cogoyaw lawuli o yɔrɔnin bɛɛ. O la, batiriw ɲɛnabɔcogo bɛ se ka baara kɛ ni lakanani sɛrɛkili nɔgɔmanw ye ni i y’a suma ni batiriw ye minnu sinsinnen bɛ kobalt- kan minnu bɛ charge (sara) kɔlɔsili tigitigi de wajibiya.

Sara dɔgɔyali bɛ gɛlɛya wɛrɛ lase mɔgɔ ma. Ni LiFePO4 selilɛriw bɔra 2,5V duguma, o bɛ se ka kɛ sababu ye ka deintercalation (deintercalation) min tɛ se ka segin kɔ, ka LiFePO4 sɛmɛntiya ka kɛ FePO4 ye ani ka selilu tiɲɛ kudayi. Bi BMS sitɛmuw b’o bali ni doniw tigɛtigɛli ye sanni u ka se wulicogo kɔrɔlenw ma, nka a nafa ka bon hali bi ka baara kɛ ni chargeurw ni management systems ye minnu dabɔra kɛrɛnkɛrɛnnenya la LiFePO4 chimie kama sanni ka kɛ litiyamu-ion minɛnw ye minnu bɛ wele ko generic litiyamu-ion.

Kuran mɔbiliw bɛ LiFePO4 baarakɛcogo jira min bɛ ye kosɛbɛ. Chevrolet Spark EV kɛra baarakɛminɛn fɔlɔ ye min bɛ baara kɛ ni LFP batiriw ye san 2014, ni A123 Systems ye o pakew dilan. Bi, fɛn dilannikɛla caman bɛ fɛɛrɛ in minɛ kuran mɔbiliw dondaw-dakun ni cɛmancɛ-yɔrɔ la, fanga dɔgɔyali bɛ sɔn yɔrɔ minnu na, k’a da lakana ni musaka nafaw kan.

Gɔlf wotoro ni baarakɛminɛnwka dɔ fara LiFePO4 batiriw kan i n’a fɔ plɔmu-asidi sinsinni tilennenw. A ka ca a laBatiri 72 volt litiyamu ionsitɛmu min bɛ kɛ gɔlf wotoro kama, o girinya bɛ se ka kɛ plɔmu-asidi batiri banki kelen ye min bɛ bɛn o ma, k’a sɔrɔ a bɛ yɔrɔ jan ni chargement teliya lase. A ka c’a la, 72V sigicogo bɛ kɛ ni LiFePO4 selilɛri 20 fo 23 ye minnu sirilen don ɲɔgɔn na, o bɛ fanga di kuran motɛriw ma gɔlf wotoroninw kɔnɔ, skɔtiw kɔnɔ, motow kɔnɔ, ani izini minɛn nɔgɔmanw kɔnɔ.

Tile fanga marayɔrɔw bɛ LiFePO4 ka cycle ɲɛnamaya jan ni baarakɛcogo funteni hakɛ caman ta. Batiriw bɛ tile bɔli tɛmɛnen mara ka ɲɛ, u bɔli waatiw la, walasa u ka baara kɛ ni u ye tilebin kɔfɛ walima rezow tiɲɛni waatiw la. U ka muɲuli ka ɲɛsin-sara baara kɛcogo yɔrɔ dɔ ma-a tɛ i n’a fɔ plɔmu-asidi batiri minnu bɛ tiɲɛ ni u ma chargement dafalen sɔrɔ-o b’a to u ka ɲi don o don wotoro bolicogo la fanga kura sɔrɔcogo la.

Kɔgɔjida ni RV baarakɛcogo bɛ nafa sɔrɔ LiFePO4 ka girinya nɔgɔman, lakana ani ɲɛnamaya jan faralen ɲɔgɔn kan. Batiri 72V 180Ah bɛ se ka kuran trolling motɛriw, so ɛntɛrinɛtifɛnw, ani minɛnw fanga di ka sɔrɔ ka yɛrɛyɛrɛ, funteni jiginni, ani tuma dɔw la, o sigidaw minɛcogo gɛlɛn muɲu. Ni i ye girinya dɔgɔya ni i y’a suma ni plɔmu-asidi sitɛmuw ye, o bɛ minɛnw ka baara kɛcogo ɲɛ ani ka sɛnɛfɛnw sɛnɛcogo ɲɛ.

Industriw ni jagokɛyɔrɔw bɛ LiFePO4 bila forokiliw kɔnɔ, bolifɛnw ɲɛminɛlenw na minnu bɛ kɛ otomatiki ye, ani kuran siraw kɔkan. Batiriw ka bɔli hakɛ caman bɛ fanga-kɔngɔ minɛnw dɛmɛ k’a sɔrɔ u ka charge teliya seko bɛ jɔli waati dɔgɔya. Telefɔniko tɔnw bɛ baara kɛ ni LFP batiriw ye selilɛri sankanso kɔkanna fanga kama, ka banki kɛ san 10+ baarakɛ waati la walasa ka dɔ bɔ ladonni musakaw la yɔrɔjan sigidaw la.

LiFePO4

LiFePO4 batiriw de wajibiyalen donchargeur minnu dabɔra kɛrɛnkɛrɛnnenya la u ka voltage profile kama. Chargement kɛcogo bɛ tugu fɛɛrɛ fila-ta la: kuran basigilen bɛ tugu ɲɔgɔn kɔ ni tension basigilen ye. Kuran waati basigilen waati la, chargeur bɛ amperɛrɛ sabatilen-a ka c’a la 0,5C fo 1C di, o kɔrɔ ye ko tilancɛ ka bɛn batiri ka ampɛrɛ-lɛrɛ hakɛ ma- fo seliw ka se 3,6V ɲɔgɔn ma kelen-kelen bɛɛ la. 72V sitɛmu ta la, o kɔrɔ ye ka chargement kɛ fo ka se pack voltage ma ka se 83-85V ɲɔgɔn ma.

Ni absorption voltage sera 90% ɲɔgɔn charge state la, chargeur bɛ wuli ka taa constant voltage mode la. Kuran bɛ dɔgɔya dɔɔni dɔɔni ni seliw bɛ fa, ni chargement dafalen don ni kuran jigira ka se 5-10% ma batiri seko hakɛ la. O bɛ danfara don ni lead-asidi chargement protocoles ye minnu bɛ baara kɛ ni equalization charges walima float voltages-techniques ye minnu bɛ se ka LiFePO4 cellules tiɲɛ.

Ni aw bɛ baara kɛ ni litiyamu-ion chargeur standard ye min dilannen don 4,2V selilɛriw kama LiFePO4 batiriw kan, o bɛ kɛ sababu ye ka chargeur tɛmɛnen kɛ, bawo voltage laɲini bɛ tɛmɛ lakana hakɛ kan nɛgɛ fositɛri chimie la. O cogo kelen na, ni baara kɛra ni plɔmu-asidi chargeurw ye, a ka c’a la, o bɛ LiFePO4 batiriw charge dɔgɔya, wa a bɛ se ka kɛ ko a tɛ chargement dabila daminɛ ka ɲɛ.

Funteni hakɛ marali chargement (sarali) waati la, o ye ko ye. Ni aw bɛ charge (sara) kɛ congelation (jiri) jukɔrɔ, o bɛ se ka kɛ sababu ye ka litiyamu (litiyamu) kɛ anode (anode) kan, ka a seko dɔgɔya kudayi. Batiri ɲumanw maracogo ɲuman caman kɔnɔ, funtenifɛnw bɛ sɔrɔ minnu bɛ pake sumaya fo ka se a chargement funteni ma min tɛ mɔgɔ tɔɔrɔ sani u ka sira di sisan ka boli. O cogo kelen na, chargement (sara) ni funteni min ka ca ni degere 113 ye, o bɛ tiɲɛni teliya.

Sanni sɔngɔ fɔlɔ bɛ LiFePO4 batiriw bila sɔngɔba la ni i y’u suma ni asidi plɔmu-asidi wɛrɛw ye. 72V 100Ah LiFePO4 pake bɛ se ka kɛ dɔrɔmɛ 2000-3000 ye, ka sɔrɔ batiri minnu bɛ se ka kɛ ni asidi plɔmu ye, olu bɛ se dɔrɔmɛ 600-1000 ma. O sɔngɔ danfara bɛ sannikɛla dɔw bali ka musaka fɔlɔw dɔrɔn lajɛ.

Jatebɔ bɛ Changé kosɛbɛ ni musaka jateminɛna cycle kelen kɔnɔ. Ni 3000 ye cycles ye a dɔgɔyalenba la, LiFePO4 pake bɛ fanga di $0.67-1.00 cycle kelen na. Batiri minnu bɛ kɛ ni asidi plɔmu ye, minnu bɛ se ka 400 ɲɛnabɔ, olu musaka ye dɔrɔmɛ 1,50-2,50 ye sɛgɛsɛgɛli kelen na.Batiri baarakɛ waati kɔnɔ, a ka c’a la, LiFePO4 sitɛmuw musaka ka dɔgɔ ni 30-50% ye ka tɛmɛ batiriw cili kan siɲɛ caman ni asidi plɔmu ye.

Fɛn wɛrɛw bɛ o nafa bonya. LiFePO4 batiriw bɛ se ka bɔ fo ka se 100% juguman ma k’a sɔrɔ u ma tiɲɛ, k’a sɔrɔ plɔmu-asidi batiriw ka kan ka bɔ fo ka se 50% dɔrɔn ma walasa ka cycle ɲɛnamaya sabati. O kɔrɔ ye ko 100Ah LiFePO4 batiri bɛ se ka baara kɛ ni seko ye min bɛ bɛn 200Ah lead-asidi batiri ma, o bɛ musaka sumacogo ɲɛ ka taa a fɛ.

Ladonni musakaw bɛ tunun kosɛbɛ ni LiFePO4 ye. Plɔmu-asidi batiriw bɛ ji farali de wajibiya tuma ni tuma, ka terminal saniya, ani ka chargement equalisation. LiFePO4 sitɛmuw bɛ baara kɛ ni ladonni-fura ye ka tɛmɛ ɲɔgɔndan sɛgɛsɛgɛli jɔnjɔnw kan. Batiriw fana bɛ u yɛrɛ-bɔ ni 2-3% ɲɔgɔn ye kalo kɔnɔ ni i y’a suma ni 5-10% ye asidi-plɔmu ta la, o kɔrɔ ye ko batiri maralenw bɛ charge (sara) mara k’a sɔrɔ u ma charge (sara) kɛ tuma bɛɛ.

Kisɛya dɔgɔyali bɛ nafolo maracogo tilennen di mobili baarakɛminɛnw na. Ni aw ye plɔmu-asidi batiri kilo 400 falen ni LiFePO4 kilo 100 ye, o bɛ bolifɛnw baaracogo ɲɛ, ka bolifɛnw bolicogo janya, ani ka dɔ bɔ bolifɛnw sɔgɔli la. Kɔgɔjida la, girinya dɔgɔyali bɛ kurunw ka baara kɛcogo ɲɛ ani ka sɛnɛfɛnw sɔrɔ.

Kobalt, nikɛri ani nɛgɛ gɛlɛn toxic tɛ sɔrɔ, o bɛ LiFePO4 bila jɔyɔrɔ la i n’a fɔ batiri chimie min bɛ sigida lakana kosɛbɛ. Nɛgɛ ni fositɛriw bɛ faratiba lase sigida ma, u bɔli, u baara, ani laban na, u bɛ segin u cogo kɔrɔ la. Gazi faratilenw walima asidi faratilenw tɛ batiriw kɔnɔ minnu bɛ se ka bɔ baara kɛtuma na walima u filituma na.

LiFePO4 batiriw lasegincogo taabolo man gɛlɛn ka tɛmɛ kobalt-batiri wɛrɛw kan. Nɛgɛ fositɛri bɛ se ka sɔrɔ ka segin ka baara kɛ ni a ye batiri kura kɔnɔ, nɛgɛ dilanni na, walima fositɛri bagajiw kɔnɔ. K’a sɔrɔ fɛnw lasegincogo bɛ ka yiriwa, fɛnw nafa min bɛ sɔrɔ a kɔnɔ ani baarakɛcogo nɔgɔman wajibiyalenw b’a to LFP lasegincogo bɛ se ka kɛ sɔrɔko siratigɛ la.

Baarakɛ waati janya bɛ dɔ bɔ fɛn dilanni ɲinini na ani sigida laminiko gɛlɛya min bɛ tali kɛ o la. LiFePO4 batiri kelen min bɛ baara kɛ san 10-15 kɔnɔ, o bɛ batiri 3-5 wuli ni asidi plɔmu ye walima litiyɔmu-ion caman cili 2-3. O dɔgɔyali in bɛ kɛ fɛn dilanni siratigɛ la, o bɛ dɔ bɔ fɛnɲɛnamafagalanw bɔli la, fanga tacogo la, ani bolifɛnw bɔli la fɛn dilannenw ka ɲɛnamaya kɔnɔ.

Ɲɛnamaya laban-LiFePO4 batiriw ka teli ka 70-80% mara u seko fɔlɔ la, o b’a to u bɛnnen don ɲɛnamaya filanan baarakɛcogo ma. Mobili batiri minnu bɛ wuli ka bɔ u nɔ na k’a sababu kɛ yɔrɔjan dɔgɔyali ye, olu bɛ se ka baara kɛ koɲuman fanga marayɔrɔ jɔlen na yɔrɔ min na fanga hakɛ nafa ka dɔgɔ ni musaka ni dannaya ye. O baara kɛcogo min bɛ kɛ ni kaskada ye, o bɛ batiri kelen-kelen bɛɛ min dilannen don, o nafa bɛɛ lajɛlen nafa bonya sigida la.

Selilu sigicogo jɔnjɔnw bɛ tugu izini cogoyaw kɔ. Seli kelenw bɛ 3,2V tɔgɔla tension di ni seko ye k’a ta 3Ah unit misɛnninw na ɛntɛrinɛti minɛnw na ka se 300Ah seli belebelew ma fanga marayɔrɔw la. Seriw labɛncogo minnu bɛ kɛ tuma caman na olu ye:

12V sitɛmuw : selilu 4 bɛ tugu ɲɔgɔn na (12,8V tɔgɔla) .

24V sitɛmuw : selilu 8 bɛ tugu ɲɔgɔn na (25,6V tɔgɔla) .

48V sitɛmuw : selilu 15 bɛ tugu ɲɔgɔn na (48V tɔgɔla) .

72V sigidaw : selilu 20-23 bɛ tugu ɲɔgɔn na (64V-73,6V tɔgɔla) .

Batiri 72 volt litiyamu ion min labɛnna ni LiFePO4 chimie ye, a ka c’a la, o bɛ baara kɛ ni selilu 23 ye ni 3,2V kelen-kelen bɛɛ ye, o bɛ 73,6V wulicogo tɔgɔlama bɔ. O bɛ tɛmɛ 72V tɔgɔladon kan dɔɔnin nka a bɛ to 72V-rated moteur controllers ni inverters ka voltage hakɛ kɔnɔ. O cogoya bɛ bɛn kuran motow ma, e-nɛgɛso belebelebaw, gɔlf wotoroninw, ani kuran mɔbili misɛnninw minnu bɛ fanga dicogo caman wajibiya.

Ji bɔli hakɛ bɛ danfara ka kɛɲɛ ni selilɛriw dilanni n’u jɔli ye. LiFePO4 selilu fanba bɛ 1C bɔli sabatili dɛmɛ, o kɔrɔ ye k’u bɛ se ka kuran di min bɛ bɛn u seko hakɛ ma-batiri 100Ah bɛ se ka ampɛrɛ 100 di tuma bɛɛ. Selilu minnu bɛ baara kɛ kosɛbɛ, minnu dabɔra kuran baarakɛminɛnw walima kuran mɔbiliw kama, olu bɛ 3C fo 20C bɔli hakɛ dɛmɛ, hali ni o seko in bɛ na ni musaka caman ye.

A ka c’a la, fanga hakɛ bɛ bɔ 90-120 Wh/kg la LiFePO4 la ni i y’a suma ni 150-220 Wh/kg ye NMC litiyamu-ion batiriw la. O danfara dɔgɔyalen in bɛ farikolo hakɛ walima a girinyaba de wajibiya walasa ka fanga maracogo kelen sɔrɔ. Baara minnu na, girinya ni yɔrɔ nafa ka bon yɔrɔ minnu na-aerospace, kuran mɔbili minnu bɛ baara kɛ kosɛbɛ-NMC chimie bɛ se sɔrɔ tuma caman na. Lakanali, ɲɛnamaya jan ani musaka nafa ka bon yɔrɔ minnu na, LiFePO4 de bɛ fanga la.

LiFePO4

A ka c’a la, LiFePO4 batiriw bɛ charge cycle 3000 fo 5000 di k’a sɔrɔ u seko bɛ 80% mara, o bɛ baara kɛ ni san 10-15 ye don o don-baarakɛcogo la. Premium selilɛriw bɛ se ka tɛmɛ 6500 kan. Kalandriya ɲɛnamaya bɛ taa fo san 10+ hali ni baara dɔɔnin kɛra, bawo kemisɛri bɛ a yɛrɛ bɔli dɔɔnin dɔɔnin sɔrɔ ani ka tiɲɛni dɔɔnin sɔrɔ ni a maralen don ni chargement partielle ye.

Ayi, litiyamu-ion chargeur standards bɛ 4,2V laɲini seli kelen na k’a sɔrɔ LiFePO4 seliw bɛ 3,6V chargeur tension maksimali de wajibiya. Ni aw bɛ baara kɛ ni chargeur jugu ye, o bɛ kɛ sababu ye ka chargeur (sarali) caya kojugu, ka funteni lawuli ani ka seko dɔgɔya kudayi. Aw bɛ baara kɛ tuma bɛɛ ni chargeurw ye minnu dabɔra kɛrɛnkɛrɛnnenya la LiFePO4 chimie kama walima chargeur minnu bɛ se ka labɛn, minnu bilalen bɛ voltage profile bɛnnen na.

Nɛgɛ fositɛri kemikaliya jɔcogo bɛ funteni tiɲɛni ni oksizɛni bɔli kɛlɛ min bɛ funteni bolicogo bila kobalt-batiriw kɔnɔ. P-O jɛɲɔgɔnya barikamaw bɛ to ka sabati funteni caman na, o bɛ yɛrɛ{3}}jeni walew bali minnu bɛ litiyamu batiri tɔw kɛ farati ye ni u tiɲɛna walima ni u sumana kojugu. LiFePO4 selilɛriw nafa ka bon kosɛbɛ, u tɛ se ka jeni dɛsɛ cogoya la.

LiFePO4 batiriw bɛ baara kɛ funteni na min bɛ daminɛ -4 degere F la ka se degere 140 ma, hali ni baara bɛ dɔgɔya ni funteni hakɛ dantɛmɛnen don. Ni aw ye chargement (sara) kɛ degere 32 duguma, o bɛ se ka tiɲɛni banbali lase mɔgɔ ma ni litiyamu (litiyamu) kɛli ye. Batiri ɲumanw ɲɛnabɔli siraw kɔnɔ, funtenifɛnw bɛ sɔrɔ walasa ka batiriw sumaya sani u ka sira di charge current ma nɛnɛ waatiw la. Jibɔ seko bɛ to ka sɔn nɛnɛ waati, hali ni seko min bɛ sɔrɔ, o bɛ dɔgɔya waati dɔ kɔnɔ.

LiFePO4 bɛ kɔgɔyɔrɔ jira batiri min bɛ se ka charge (sara) kokura, o ye chimie ye min bɛ fanga caman saraka walasa ka lakana, ɲɛnamaya jan, ani musaka{2}}nafama sɔrɔ kosɛbɛ. Fɛnɲɛnɛma in tɛmɛna a tali joona kan ka taa a bila senkan iziniw kɔnɔ, yɔrɔ minnu na o jogo ninnu nafa ka bon ka tɛmɛ fanga hakɛ danma kan kilo kelen kɔnɔ.

Suguda taabolo b’a jira ko nin jiginni in bɛna taa ɲɛ. Ni fɛn dilanni bɛ ka bonya, musakaw bɛ dɔgɔya. Ni patentiw bɛ ban, izini caman bɛ don fɛn dilanni na. Ni baarakɛminɛnw bɛ baara kɛcogo jira min bɛ se ka da u kan san caman walima san tan caman kɔnɔ, dannaya bɛ bonya o fɛɛrɛ in na. Mɔgɔ o mɔgɔ bɛ fanga maracogo sugandilenw jateminɛ-a kɛra kuran mɔbili fanga dili ye, tile fanga marali, walima ka plɔmu-asidi batiriw falen minɛn kɔrɔw kɔnɔ-LiFePO4 ka kan ka jateminɛ kosɛbɛ ka da a ka baara kɛcogo sigilen kan ani sɔrɔko min bɛ mɔgɔ bila ka miiri.