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US 2022/0102729 A1Published application
Electrodes with active material particles having mixed ionic and electronic conducting layers thereon
AssigneeFord Global Technologies, LLC
InventorsVenkataramani Anandan, Chanyeop Yu, Jung-Hyung Kim
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Abstract
A solid-state battery includes an anode, a cathode, and a solid electrolyte between the anode and cathode. The anode or cathode includes bonded active material particles having thereon a mixed ionic and electronic conducting conformal interface layer that provides a transport path for ions and electrons during operation of the solid-state battery, and lacks solid electrolyte particles.
Claims11
A solid-state battery comprising:
- an anode;
- a cathode;
- and
- a solid electrolyte between the anode and cathode, the anode or cathode including bonded active material particles having thereon a mixed ionic and electronic conducting conformal interface layer configured to provide a transport path for ions and electrons during operation of the solid-state battery, and lacking solid electrolyte particles.
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A method of making a solid-state battery, comprising:
- coating active material particles with a layer of metal oxide, metal phosphate, metal silicate, or metal sulfide to form coated active material particles;
- sintering the coated active material particles such that the layer reacts with the active material particles resulting in mixed ionic and electronic conducting conformal interface layers on the active material particles to form an electrode;
- and
- arranging the electrode in contact with a solid electrolyte.
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Dependencies are inferred from the claim text.