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US 11,387,439 B2Granted
Anode layer and all solid state battery
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsHajime Hasegawa, Hideaki Nishimura, Shigenori Hama, Satoshi Mizutani, Masataka Tomita
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Abstract
A main object of the present disclosure is to provide an anode layer with little resistance increase due to charge and discharge. In the present disclosure, the above object is achieved by providing an anode layer comprising: an anode active material including a Nb element, a W element, and an O element; and a solid electrolyte, and an expansion coefficient of the anode active material when charged to 200 mAh per 1 g is 1.4% or more and 5% or less.
Claims3
An anode layer comprising:
- an anode active material including a Nb element, a W element, and an O element, wherein a composition of the anode active material is Nb18W16O93 or Nb8W9O47;
- and
- a solid electrolyte, and
- an expansion coefficient of the anode active material when charged to 200 mAh per 1 g is 1.4% or more and 5% or less.
1 more element
Dependencies are inferred from the claim text.