US 11,984,554 B2
Solid electrolyte material and battery including the same
Tetsuya Asano, Nara (JP); Masashi Sakaida, Hyogo (JP); Akihiro Sakai, Nara (JP); and Akinobu Miyazaki, Osaka (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
Filed on May 21, 2021, as Appl. No. 17/326,388.
Application 17/326,388 is a continuation of application No. PCT/JP2019/042906, filed on Oct. 31, 2019.
Claims priority of application No. 2018-248583 (JP), filed on Dec. 28, 2018.
Prior Publication US 2021/0328261 A1, Oct. 21, 2021
Int. Cl. H01M 10/0562 (2010.01); H01M 4/04 (2006.01); H01M 4/583 (2010.01); H01M 10/0525 (2010.01)
CPC H01M 10/0562 (2013.01) [H01M 4/0407 (2013.01); H01M 4/583 (2013.01); H01M 10/0525 (2013.01); H01M 2300/008 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A solid electrolyte material comprising a crystal phase represented by composition formula (2) below:
Lia(Ca1−mMm)b(FxClyBrzI1−(x+y+z))c  (2)
wherein M is at least one element selected from the group consisting of Mg, Sr, and Ba, and
the following formulas are satisfied:
a>0,
b>0,
c>0,
0≤m<1, and
0.25≤1−(x+y+z)≤0.8.