Lithium-ion battery cells 4.2V aia sang a overcharge chuan side effect a siam tan ang. Overcharge voltage a san poh leh a hlauhawmna a sang zawk. Voltage 4.2V aia tam a nih chuan positive electrode material-ah hian lithium atom a chanve aia tlem lo a awm reng a ni. Hetih lai hian storage cell te chu an tlakbuak fo thin a, chu chuan capacity a hloh reng thin. Charging chhunzawm zel a nih chuan negative electrode dahna cell-te chu lithium atom-in a khat tawh avangin, a hnu lama lithium metal chu negative electrode material chung lamah a pung khawm ang. Heng lithium atom te hi negative electrode surface atang hian lithium ion te lo chhuahna lam hawiin dendritic crystal ah an lo thang lian ang. Heng lithium metal crystal te hian separator chhungah an lut thei a, positive leh negative electrode inkarah short circuit a siam thei a ni. A châng chuan battery chu short circuit a awm hmain a puak a, a chhan chu overcharging laiin electrolyte leh thil dangte chu a chhe vek a, chu chuan gas a siam a, chu chuan battery casing emaw pressure valve emaw chu a bulge a, a ti chhe a, chu chuan oxygen a lut a, negative electrode surface-a lithium atom awmkhawmte nen a inrem a, chu chuan puak a thlen a ni.
Chuvangin, lithium-ion battery charge dawnin battery dam chhung, capacity leh safety balance turin upper voltage limit siam a pawimawh hle. Upper charging voltage limit tha ber chu 4.2V a ni. Lithium-ion battery cell te pawh hian discharge laiin voltage limit hniam zawk an nei bawk. Cell voltage 2.4V hnuai lam a tlak chuan thil thenkhat chu a chhe tan thin. Chu bâkah, battery-te chu mahni in-discharge a nih avangin, an discharge rei poh leh voltage a tlahniam a; chuvangin, chawlh hmain 2.4V thlenga discharge loh a tha ber. 3.0V atanga 2.4V thlenga discharge process chhung hian lithium-ion battery atanga energy chhuak chu a capacity atanga 3% vel chauh a ni. Chuvangin 3.0V hi discharge cutoff voltage tha ber a ni. Voltage limitation bakah hian charging leh discharging-ah pawh current limitation a ngai bawk. Current a san lutuk chuan lithium ion te hian storage cells ah lut turin hun an nei tlem ang a, material surface ah an pung khawm ang.
