Patent · US Active

Electrochemical cell

US9257701B2 · kind B2 · utility

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15Claims
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Assignee

Inventor

Key dates

Filing dateSep 19, 2008
Grant dateFeb 9, 2016
Priority date
Expiry dateMay 16, 2030

Classification

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

Abstract

The present invention relates to a positive active material for an electrochemical cell including a compound having a nano-shape and represented by the following Formula 1.Lix[Li1-y-zM1yM2z]O2-αDα  [Formula 1] The positive active material of the present invention has high reversible capacity and an excellent cycle life characteristic, and in particular, an excellent cycle life characteristic at a high rate.

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