Title:
NONAQUEOUS ELECTROLYTE POWER STORAGE ELEMENT
Document Type and Number:
WIPO Patent Application WO/2023/090333
Kind Code:
A1
Abstract:
A nonaqueous electrolyte power storage element according to one aspect of the present invention is provided with: a positive electrode which contains a lithium transition metal composite oxide that contains elemental nickel and elemental manganese; and a negative electrode which contains solid graphite. With respect to this nonaqueous electrolyte power storage element, the solid graphite has a void fraction of 2% or less; and the content of the elemental nickel relative to the transition metal element in the lithium transition metal composite oxide is 40% by mole or more.
Inventors:
UEHIRA KENTA (JP)
YAMAKAWA YUTO (JP)
NAKAI KENTA (JP)
KANEKO TAKASHI (JP)
SEKIGUCHI TAISEI (JP)
YAMAKAWA YUTO (JP)
NAKAI KENTA (JP)
KANEKO TAKASHI (JP)
SEKIGUCHI TAISEI (JP)
Application Number:
PCT/JP2022/042462
Publication Date:
May 25, 2023
Filing Date:
November 16, 2022
Export Citation:
Assignee:
GS YUASA INT LTD (JP)
International Classes:
H01M10/0525; H01G11/06; H01G11/24; H01G11/46; H01M4/505; H01M4/525; H01M4/587
Domestic Patent References:
| WO2021015194A1 | 2021-01-28 | |||
| WO2020144977A1 | 2020-07-16 | |||
| WO2021108982A1 | 2021-06-10 |
Foreign References:
| JP2015018663A | 2015-01-29 | |||
| JP2014082116A | 2014-05-08 |
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