Title:
LITHIUM ION BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/145443
Kind Code:
A1
Abstract:
A lithium ion battery having a high capacity and improved rapid charging performance is provided. A lithium ion battery according to an aspect of the present disclosure is provided with a positive electrode, a negative electrode, and a non-aqueous electrolyte. The negative electrode has a negative electrode core body, a first negative electrode mixture layer formed on the surface of the negative electrode core body, and a second negative electrode mixture layer formed on the surface of the first negative electrode mixture layer. The first negative electrode mixture layer includes a first negative electrode active material that includes graphite. The second negative electrode mixture layer includes a second negative electrode active material that includes at least one selected from the group consisting of metals that bind to lithium, alloys that bind to lithium, and compounds that bind to lithium.
Inventors:
ASANO KAZUKO
OKI YUKIHIRO
HIBINO MITSUHIRO
OKI YUKIHIRO
HIBINO MITSUHIRO
Application Number:
PCT/JP2023/000521
Publication Date:
August 03, 2023
Filing Date:
January 12, 2023
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01M4/134; H01M4/133; H01M4/38
Domestic Patent References:
| WO2013099267A1 | 2013-07-04 | |||
| WO2022045128A1 | 2022-03-03 |
Foreign References:
| JP2007179864A | 2007-07-12 | |||
| JP2015018663A | 2015-01-29 | |||
| JP4127692B2 | 2008-07-30 |
Attorney, Agent or Firm:
YKI INTELLECTUAL PROPERTY ATTORNEYS (JP)
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