US 12,347,846 B2
All solid state battery
Mitsutoshi Otaki, Susono (JP); and Jun Yoshida, Mishima (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Sep. 25, 2023, as Appl. No. 18/372,451.
Application 18/372,451 is a continuation of application No. 17/533,303, filed on Nov. 23, 2021, granted, now 11,804,589.
Claims priority of application No. 2020-205596 (JP), filed on Dec. 11, 2020.
Prior Publication US 2024/0014377 A1, Jan. 11, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 4/134 (2010.01); H01M 10/0562 (2010.01); H01M 10/0585 (2010.01); H01M 4/02 (2006.01)
CPC H01M 4/134 (2013.01) [H01M 10/0562 (2013.01); H01M 10/0585 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2300/0068 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A car having an all solid state battery comprising layers in the order of a cathode layer, a solid electrolyte layer, and an anode layer; wherein
the anode layer contains an anode active material including a silicon clathrate II type crystal phase;
restraining pressure of 0 MPa or more and less than 5 MPa is applied to the all solid state battery in a layering direction;
a specific surface area of the anode active material is 8 m2/g or more and 17 m2/g or less; and
an average particle size of a primary particle of the anode active material is 50 nm or more and 3000 nm or less.