Kodi kristalo ya lithiamu mu batri ya lithiamu ndi chiyani?
Pamene batire ya lithiamu-ion ikuchajidwa, Li+ imachotsedwa mu electrode yabwino ndikuyiphatikiza mu electrode yoyipa; koma pamene zinthu zina zosazolowereka: monga malo osakwanira a lithiamu intercalation mu electrode yoyipa, kukana kwambiri Li+ intercalation mu electrode yoyipa, Li+ imachoka mu electrode yabwino mofulumira kwambiri, koma singathe kusakanikirana mofanana. Pamene zinthu zosazolowereka monga electrode yoyipa zimachitika, Li+ yomwe singalowe mu electrode yoyipa imangotenga ma elekitironi pamwamba pa electrode yoyipa, motero imapanga chinthu chachitsulo cha siliva-choyera cha lithiamu, chomwe nthawi zambiri chimatchedwa kuti kutsika kwa makristalo a lithiamu. Kusanthula kwa lithiamu sikungochepetsa magwiridwe antchito a batire, kumachepetsa kwambiri moyo wa kuzungulira, komanso kumachepetsa mphamvu yofulumira ya batire, ndipo kungayambitse zotsatira zoopsa monga kuyaka ndi kuphulika. Chimodzi mwa zifukwa zofunika zomwe zimapangitsa kuti lithiamu crystallization igwe ndi kutentha kwa batire. Batire ikayendetsedwa pa kutentha kochepa, crystallization reaction ya lithiamu precipitation imakhala ndi reaction rate yayikulu kuposa njira ya lithiamu intercalation. Ma electrode oipa amatha kugwa mosavuta kutentha pang'ono. Lithium crystallization reaction.
Momwe mungathetsere vuto lakuti batire ya lithiamu singagwiritsidwe ntchito kutentha kochepa
Ndikufunika kupangadongosolo lanzeru lolamulira kutentha kwa batri. Kutentha kwa mlengalenga kukachepa kwambiri, batire imatenthedwa, ndipo kutentha kwa batire kukafika pamlingo wogwirira ntchito wa batire, kutentha kumayimitsidwa.
Nthawi yotumizira: Juni-19-2023
