Patent · US Active

Lithium secondary battery

US10868302B2 · kind B2 · utility

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8Claims
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Key dates

Filing dateNov 27, 2018
Grant dateDec 15, 2020
Priority date
Expiry dateJan 30, 2039

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Disclosed is a lithium secondary battery capable of preventing the battery life from being reduced. The lithium secondary battery includes a cathode, an anode including silicon, a separator positioned between the cathode and the anode, and an electrolyte including flouoroethylene carbonate (FEC), wherein a weight ratio of the silicon to the FEC is about 0.4 to about 0.8.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.