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US 11,081,688 B2Granted
Silicon sealing for high performance battery anode materials
AssigneeThe Bd of Trustees of the Leland Stanford Jr Univ
InventorsYi Cui, Lei Liao, Jiangyan Wang
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Abstract
A battery electrode is provided that includes a porous silicon microstructure precursor, a silicon shell coating deposited on the silicon microstructure precursor, and a graphene coating deposited on the silicon shell coating, where the graphene coating encapsulates the silicon shell coating forming a graphene-encapsulated silicon-shell-protected porous silicon microstructure precursor battery electrode.
Claims19
A battery electrode, comprising:
- a porous silicon microstructure including a Si mesoporous microparticle having pores disposed therein;
- a silicon shell coating deposited on the porous silicon microstructure, wherein an outer contour of the porous silicon microstructure is conformally covered by the silicon shell coating such that the pores remain in the porous silicon microstructure;
- and
- a graphene coating deposited on the silicon shell coating, wherein the graphene coating encapsulates the silicon shell coating forming a graphene-encapsulated silicon-shell-protected porous silicon microstructure battery electrode.
1 more element
A battery electrode, comprising:
- a porous silicon microstructure including a cluster of Si nanoparticles having pores disposed between the Si nanoparticles;
- a silicon shell coating deposited on the porous silicon microstructure, wherein an outer contour of the porous silicon microstructure is conformally covered by the silicon shell coating such that the pores remain in the porous silicon microstructure;
- and
- a graphene coating deposited on the silicon shell coating, wherein the graphene coating encapsulates the silicon shell coating forming a graphene-encapsulated silicon-shell-protected porous silicon microstructure battery electrode.
1 more element
Dependencies are inferred from the claim text.