US 12,261,296 B2
Active material
Hiroyuki Yamaguchi, Toyota (JP); Hironori Daikoku, Susono (JP); Jun Yoshida, Mishima (JP); Kazuhiro Suzuki, Hadano (JP); and Mitsutoshi Otaki, Susono (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Dec. 29, 2023, as Appl. No. 18/400,271.
Application 18/400,271 is a continuation of application No. 17/960,597, filed on Oct. 5, 2022, granted, now 11,901,556.
Application 17/960,597 is a continuation of application No. 16/906,208, filed on Jun. 19, 2020, granted, now 11,502,298, issued on Nov. 15, 2022.
Claims priority of application No. 2019-133657 (JP), filed on Jul. 19, 2019; and application No. 2020-069126 (JP), filed on Apr. 7, 2020.
Prior Publication US 2024/0136522 A1, Apr. 25, 2024
Prior Publication US 2024/0234721 A9, Jul. 11, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 4/58 (2010.01); C01B 33/06 (2006.01)
CPC H01M 4/58 (2013.01) [C01B 33/06 (2013.01); C01P 2002/72 (2013.01); C01P 2002/77 (2013.01); C01P 2006/40 (2013.01)] 1 Claim
 
1. An automobile comprising an all solid state battery,
wherein the all solid state battery comprises an anode layer, a cathode layer, and a solid electrolyte layer formed between the cathode layer and the anode layer,
one of the anode layer and the cathode layer includes an active material comprising a silicon clathrate type crystal phase,
the active material includes a Na element, a Si element and a Ge element,
a proportion of the Ge element to a total of the Si element and the Ge element is 0.5 atm % or more and 1 atm % or less,
an atomic part of the Na element to 136 atomic parts of the Si element is 2.0 parts or more and 5.4 parts or less, and such that
the active material has a composition represented by NawGezSi136−z, where 2.0≤w≤5.4 and 0.68≤z≤1.36.