Patent · US Active

Anode active material for lithium secondary battery, preparation method therefor, and lithium secondary battery containing same

US10340518B2 · kind B2 · utility

2Cited by

8References

21Claims

0Family size

Assignee

UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY) · KR

Inventors

Jaephil Cho · Ulsan, KR
Min Seong Ko · Ulsan, KR
Su Jong Chae · Ulsan, KR
Ji Young Ma · Ulsan, KR
Nam Hyung Kim · Seoul, KR

Key dates

Filing date	Jun 15, 2016
Grant date	Jul 2, 2019
Priority date	—
Expiry date	Jun 20, 2036

Classification

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

Abstract

An anode active material for a lithium secondary battery, a preparation method thereof, and a lithium secondary battery including the anode active material are provided. The anode active material includes carbon particles having a spherical shape, a first carbon coating layer present on surfaces of the carbon particles, a silicon coating layer present on the first carbon coating layer and including silicon nanoparticles, and a second carbon coating layer present on the silicon coating layer.

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