Fosifati ɛsitɛri ɛlektrɔli min ka dɔgɔn-, o bɛ kari grafite siran fɛ, ka siniɲɛsigi kura sɔrɔ litiyɔmu batiriw la minnu lakananen don kosɛbɛ.

Jan 16, 2026

Aw bɛ cikan bila .

Litiyamu-ion batiriw fanga hakɛ ɲɛnabɔli ka teli ka na ni lakana faratiw caya ye. Sisan, ɛlektrɔlitiki siraba min bɛ kɛ, o sinsinnen bɛ karɔbɔni furajiw kan, minnu ka yeelenbɔyɔrɔw ka dɔgɔn, wa u bɛ tasuma don ani u bɛ wuli. Ni u bɛ baara jugu kɛ i n’a fɔ chargement over, circuit short, walima funteni caman, u ka teli ka kɛ sababu ye ka funteni boli, o bɛ na ni batiri tasuma ye walima hali ka pɛrɛn, o bɛ faratiba lase lakana ma. Ni baarakɛyɔrɔ funteni bɛ tɛmɛ degere 50 kan, kɛrɛfɛ-walew bɛna teliya kosɛbɛ elekitorode ni elekitoroliti cɛ, o bɛna kɛ sababu ye ka batiri seko tiɲɛ joona ani ka dan sigi a kɛcogo la min bɛ se ka da a kan funteni hakɛ caman na. Tasuma-fositɛri ɛsitɛri furaji minnu bɛ tasuma bali, olu jatera ka kɛ fura ɲuman ye ka tɛmɛ karɔbɔni furajiw kan. Nka, gɛlɛya min bɛ yen kabini tuma jan, n’o ye ko u ni grafite anɔdiw tɛ bɛn ɲɔgɔn ma, o y’u ka jago bali: kɔgɔ hakɛ kɔrɔlenw walima kɔgɔ hakɛ dɔgɔman-la, fositɛri ɛsitɛri ɛlektrɔlitiw tɛ se ka kɛ ɛlektroliti solide ɲɔgɔndan sabatilen (SEI) ye grafite anodew sanfɛ, wa ɛlektroliti bɛna co-don grafite cɛmancɛw kɔnɔ ni litiyamu ionw ye, ka kɛ sababu ye tiɲɛni min bɛ to sen na ani jɔli tiɲɛni.

 

Sisan, jɛkulu dɔ ye fɛɛrɛ kura dɔ labɛn, min ye asidi fosifɔriki ɛsitɛri fluorine ring fluorinated ring solvent suguya wɔɔrɔ-mɔgɔ wɔɔrɔ ye, n’o tɔgɔ ye ko 2-(2,2,2{11}}trifluoroethoxy)-1,3,2{14}}dioxaphosphorinane-2{19}}oxide (HTP) ye. Ni an y’a suma ni laadalata ye min bɛ kɛ ni fɛn duuru-bololanɛgɛ ye, HTP ka bololanɛgɛ jɔcogo min bɛ kɛ ni fɛn wɔɔrɔ ye, o bɛ kɛ ni bololanɛgɛ girinya dɔgɔyali ye, o min bɛ dɔ fara kosɛbɛ molekiyɔmu ka funteni sabatili ni a ka kemikaliya sabatili kan ka bɔ funteni siratigɛ la, wa a bɛ kɛrɛfɛ walew bali i n’a fɔ bololanɛgɛ da wulicogo tiɲɛni. Ka da o kan, jɛkulu ye tri-(2,2,2-trifluoroethyl) phosphate (TFEP) sugandi ka kɛ fɛnɲɛnamafagalan ye, ka jɛɲɔgɔnya kɛ ni litiyamu bis(fluorosulfonyl)imide (LiFSI) kɔgɔ ye, ka se ka asidi fosifɔriki bɛɛ ɛsitɛri ɛlektrɔliti sitɛmu dɔ dilan min hakɛ ka dɔgɔn, ni litiyamu kɔgɔ hakɛ ye 1,2M dɔrɔn ye. Nin elektrɔli in nafa jɔnjɔn bɛ bɔ a la ko a bɛ kɛ sababu ye ka fɛnɲɛnamafagalanw ni ɲɔgɔn cɛ jɛɲɔgɔnya kɛrɛnkɛrɛnnenw kɛ, a bɛ litiyamu ionw ka fɛnɲɛnamafagalanw sɛnɛcogo ɲɛnabɔ, o la, a bɛ kɛ sababu ye ka SEI filimu sabatilen ni denba dɔ dilan grafite anode kan, ka se sɔrɔ bɛnkan gɛlɛya kan.

 

Nin baara in sinsinnen bɛ asidi fosifɔriki ɛsitɛri ɛsitɛri fɛnɲɛnamafagalan (HTP) suguya kura dɔ kan, wa a ye asidi fosifɔriki ɛsitɛri bɛɛ- ɛlektroliti dɔ dilan ka ɲɛ. Nin elekitoroliti in, n’a ka kuran-kimika finɛtiri belebeleba, a ka yeelenbɔyɔrɔ ka bon kosɛbɛ ani a ka tasuma-fanga-minɛn ɲumanba, o bɛ kɛ sababu ye ka batiri 4,5 V grafite||NMC811 baara ka sabati fo ka se degere 100 ma, wa a bɛ tɛmɛ lakana sɛgɛsɛgɛli gɛlɛnw fɛ i n’a fɔ sɔgɔsɔgɔninjɛ, ka buteli kɔnɔna kari yɔrɔ min na, laadala elektrɔliw ka gɛlɛn ka balansi sɔrɔ lakanaba ni tension caman na ani funteni hakɛ caman-.

 

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