Cathode active material particles, lithium ion battery prepared by using the cathode active material particles, and method of preparing the cathode active material particles
US10193152B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Sep 9, 2016 |
| Grant date | Jan 29, 2019 |
| Priority date | — |
| Expiry date | Jul 19, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lithium ion secondary battery including: a cathode including a plurality cathode active material particles; an electrolyte; and an anode, wherein a cathode active material particle of the plurality of cathode active material particles has a plate-shaped crystal structure having an aspect ratio of 2 to 1000, wherein a major surface in at least one direction of the plate-shaped crystal structure is a 111 face, wherein the cathode active material particle also has a spinel-type crystal structure, and wherein the cathode active material particle has a composition represented by the formula LiCo2-xNixO4, wherein 0<x<2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.