Cathode for secondary battery
US8673171B2 · kind B2 · utility
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Key dates
| Filing date | Jul 11, 2012 |
| Grant date | Mar 18, 2014 |
| Priority date | — |
| Expiry date | Jul 11, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a cathode for secondary batteries comprising a compound having a transition metal layer containing lithium as at least one compound selected from the following formula 1: (1−x)Li(LiyM1-y-zMaz)O2-bAb*xLi3PO4 (1) wherein M is an element stable for a six-coordination structure, which is at least one selected from transition metals that belong to first and second period elements; Ma is a metal or non-metal element stable for a six-coordination structure; A is at least one selected from the group consisting of halogen, sulfur, chalcogenide compounds and nitrogen; 0<x<0.1; 0<y<0.3; 0≦z<0.2; and 0≦b<0.1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.