Title:
POSITIVE ELECTRODE MATERIAL AND BATTERY
Document Type and Number:
WIPO Patent Application WO/2021/200086
Kind Code:
A1
Abstract:
A positive electrode material 1000 according to the present disclosure comprises a positive electrode active substance 110 and a covering layer 120 that covers the positive electrode active substance 110. The covering layer 120 contains oxygen and lithium. The positive electrode active substance 110 and the covering layer 120 constitute a covered active substance 130. The atomic ratio Li/O of the lithium content relative to the oxygen content in the surface layer part of the covered active substance 130 is 0.26 or less.
Inventors:
KAMITAKE HIROKI
NISHIYAMA SEIJI
SASAKI IZURU
NISHIYAMA SEIJI
SASAKI IZURU
Application Number:
PCT/JP2021/010466
Publication Date:
October 07, 2021
Filing Date:
March 15, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
C01G33/00; C01F17/36; C01G53/00; H01M4/36; H01M4/505; H01M4/525; H01M4/62; H01M10/0562
Domestic Patent References:
| WO2019135319A1 | 2019-07-11 | |||
| WO2011145462A1 | 2011-11-24 | |||
| WO2019135322A1 | 2019-07-11 |
Foreign References:
| JP2016062683A | 2016-04-25 | |||
| JP2020024780A | 2020-02-13 | |||
| JP2018186077A | 2018-11-22 | |||
| JP2014049310A | 2014-03-17 | |||
| US20180090752A1 | 2018-03-29 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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