Lg Energy Solution, Ltd.

Youngdeok Kim

Daesoo Kim

Hyunjun Choi

Hyunwoong Yun

Hoejin Hah

Suwon Jee

The present disclosure relates to a method of recovering a degenerated lithium battery cell, with the lithium battery cell being configured so that an electrode assembly including a positive electrode, a negative electrode and a separator interposed therebetween is impregnated with a non-aqueous electrolyte and embedded in a battery case, the method including: subjecting a lithium battery cell degenerated by 5% or more to a high temperature treatment for 1 to 6 hours at a temperature ranging from 60° C. to 100° C. in a fully discharged state.

Method for recovering lithium battery cell by heat treatment and method for manufacturing lithium battery cell comprising the same

The present disclosure relates to a method for manufacturing a lithium secondary battery comprising the steps of:

Manufacturing method of lithium secondary battery comprising additional heat-treatment process and lithium secondary battery manufactured by the same

A lithium secondary battery exhibiting excellent life characteristic and stability is discussed, in which side reactions of an electrolyte are minimized, and non-uniform growth of lithium dendrite is effectively inhibited.

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Daejeon, South Korea

Youngdeok Kim