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US 2025/0029993 A1Published application
Composite active material particle, battery, and method for manufacturing composite active material particle
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsKUNIHIKO MINEYA, TADAAKI MATSUMURA
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Abstract
A composite active material particle includes an oxide phase containing an oxide, multiple active material domains containing an active material and dispersed in the oxide phase, and at least one first solid electrolyte having a composition different from the composition of the oxide. The first solid electrolyte covers at least part of the surface of a base particle composed of the oxide phase and the multiple active material domains.
Claims14
A composite active material particle comprising:
- an oxide phase containing an oxide;
- a plurality of active material domains containing an active material and dispersed in the oxide phase;
- and
- at least one first solid electrolyte having a composition different from a composition of the oxide, wherein
- the first solid electrolyte covers at least part of a surface of a base particle composed of the oxide phase and the plurality of active material domains.
2 more elements
A method for manufacturing a composite active material particle, the method comprising:
- coating at least part of a surface of a base particle, the base particle having a structure in which a plurality of active material domains containing an active material are dispersed in an oxide phase, with at least one first solid electrolyte.
Dependencies are inferred from the claim text.