ANODE MATERIAL, ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE USING THE SAME

Title:

ANODE MATERIAL, ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE USING THE SAME

Document Type and Number:

WIPO Patent Application WO/2020/125621

Kind Code:

A1

Abstract:

An anode material and an electrochemical device and an electronic device using the same are disclosed. The anode material includes a silicon compound SiO x(1), wherein x is about 0.5-1.5; an oxide MeO y layer(2), the MeO y layer(2) coating the silicon compound SiO x(1), wherein Me includes at least one of Al, Si, Ti, Mn, V, Cr,Co, and Zr, wherein y is about 0.5-3; and a carbon layer(3), the carbon layer(3) coating the MeO y layer(2); wherein the surface of the MeO y layer(2) adjacent to the carbon layer(3) has an open pore structure, and at least part of the open pore structure is filled with the carbon layer(3). The anode material can obviously improve the cycle performance of the electrochemical device and significantly reduce the impedance of the electrochemical device.

Inventors:

JIANG DAOYI (CN)
CUI HANG (CN)
XIE YUANSEN (CN)

Application Number:

PCT/CN2019/125945

Publication Date:

June 25, 2020

Filing Date:

December 17, 2019

Export Citation:

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Assignee:

NINGDE AMPEREX TECHNOLOGY LTD (CN)

International Classes:

H01M4/36

Domestic Patent References:

WO2009031036A2

2009-03-12

Foreign References:

CN109638254A	2019-04-16
CN110048114A	2019-07-23
CN105742599A	2016-07-06
US20150311507A1	2015-10-29
CN105244488A	2016-01-13
CN108023074A	2018-05-11
US20140294981A1	2014-10-02
CN105514390A	2016-04-20
CN108511719A	2018-09-07

Other References: