US 12,406,985 B2
Active material, battery, and methods for producing these
Kazuhiro Suzuki, Hadano (JP); and Jun Yoshida, Mishima (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Feb. 16, 2024, as Appl. No. 18/443,438.
Application 18/301,340 is a division of application No. 17/329,480, filed on May 25, 2021, granted, now 11,894,551, issued on Feb. 6, 2024.
Application 18/443,438 is a continuation of application No. 18/301,340, filed on Apr. 17, 2023.
Claims priority of application No. 2020-098710 (JP), filed on Jun. 5, 2020.
Prior Publication US 2024/0250251 A1, Jul. 25, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 4/38 (2006.01); H01M 4/04 (2006.01); H01M 4/36 (2006.01)
CPC H01M 4/386 (2013.01) [H01M 4/0471 (2013.01); H01M 4/366 (2013.01)] 5 Claims
OG exemplary drawing
 
1. An automobile comprising a battery, wherein the battery comprises an active material comprising at least Si and Al, including a silicon clathrate type crystal phase, and a proportion of the Al to a total of the Si and the Al is 0.1 atm % or more and 1 atm % or less and the active material is represented by Nax(Si, Al)136, where 0≤x≤20.