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US 10,256,448 B2Granted
Interfacial engineering for stable lithium metal anodes
AssigneeThe Board of Trustees of the Leland Stanford Junior University
InventorsYi Cui, Guangyuan Zheng, Steven Chu, Kai Yan
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Abstract
A battery includes 1) an anode, 2) a cathode, and 3) an electrolyte disposed between the anode and the cathode. The anode includes a current collector and an interfacial layer disposed over the current collector, and the interfacial layer includes an array of interconnected, protruding regions that define spaces.
Claims18
A battery comprising:
- an anode;
- a cathode;
- and
- an electrolyte disposed between the anode and the cathode,
- wherein the anode includes a current collector and an interfacial layer disposed over the current collector, and the interfacial layer includes an array of interconnected, protruding regions that define spaces,
- wherein the interfacial layer is formed of at least one material selected from amorphous carbon, metal carbides, non-metal carbides, metal nitrides, non-metal nitrides, metal silicides, non-metal silicides, and metal alloys, and the interfacial layer is devoid of graphene.
3 more elements
A battery comprising:
- an anode;
- a cathode;
- and
- an electrolyte disposed between the anode and the cathode,
- wherein the anode includes a current collector and an interfacial layer disposed over the current collector, and the interfacial layer includes an array of encapsulating structures that define interior spaces,
- further comprising seeds disposed within the interior spaces, the seeds are configured to promote deposition of an anode material, and the seeds are formed of a material different from lithium metal.
3 more elements
A battery electrode comprising:
- a current collector;
- an interfacial layer disposed over the current collector;
- and
- an electrode material disposed between the current collector and the interfacial layer,
- wherein the interfacial layer includes a layered material,
- wherein the electrode material is lithium metal,
- wherein the interfacial layer is configured to move relative to the current collector to accommodate volumetric expansion of the electrode material.
4 more elements
Dependencies are inferred from the claim text.