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US 2021/0242453 A1Published application
Negative electrode active material for secondary batteries, and secondary battery
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsYohei Uchiyama, Taisuke Asano, Yosuke Sato
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Abstract
A negative electrode active material for a secondary battery includes silicate composite particles each of which contain a silicate phase and silicon particles dispersed in the silicate phase, the silicate phase is an oxide phase containing Si, O, and alkali metals, and the alkali metals include at least K and Li.
Claims10
A negative electrode active material for a secondary battery, comprising:
- silicate composite particles each of which contain a silicate phase and silicon particles dispersed in the silicate phase,
- wherein the silicate phase is an oxide phase which contains Si, O, and alkali metals, and
- the alkali metals include at least K and Li.
Dependencies are inferred from the claim text.