US 12,334,545 B2
All solid state battery
Yuhi Yamano, Nagoya (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Jan. 18, 2022, as Appl. No. 17/577,959.
Claims priority of application No. 2021-011659 (JP), filed on Jan. 28, 2021.
Prior Publication US 2022/0238864 A1, Jul. 28, 2022
Int. Cl. H01M 4/485 (2010.01); H01M 4/36 (2006.01); H01M 10/0525 (2010.01); H01M 10/0562 (2010.01); H01M 4/02 (2006.01)
CPC H01M 4/366 (2013.01) [H01M 4/485 (2013.01); H01M 10/0525 (2013.01); H01M 10/0562 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2300/0068 (2013.01)] 5 Claims
OG exemplary drawing
 
1. An all solid state battery comprising an anode active material layer and an anode current collector; wherein
the anode current collector includes a coating layer containing an oxide active material and a conductive material, on a surface of the anode active material layer side;
a ratio of a thickness of the coating layer with respect to a thickness of the anode active material layer is 6% or more and 12% or less;
a proportion of the conductive material in the coating layer is 0.3 weight %; and
the oxide active material is lithium titanate or a niobium-titanium-based oxide.