US 12,237,499 B2
Negative electrode material for nonaqueous secondary batteries, negative electrode for nonaqueous secondary batteries, and nonaqueous secondary battery
Naoto Maru, Tokyo (JP); Shunsuke Yamada, Tokyo (JP); and Hisako Kondo, Tokyo (JP)
Assigned to Mitsubishi Chemical Corporation, Tokyo (JP)
Filed by Mitsubishi Chemical Corporation, Tokyo (JP)
Filed on Nov. 6, 2020, as Appl. No. 17/091,208.
Application 17/091,208 is a continuation of application No. PCT/JP2019/019872, filed on May 20, 2019.
Claims priority of application No. 2018-098022 (JP), filed on May 22, 2018.
Prior Publication US 2021/0057730 A1, Feb. 25, 2021
Int. Cl. H01M 4/36 (2006.01); H01M 4/02 (2006.01); H01M 4/48 (2010.01); H01M 4/587 (2010.01); H01M 10/0525 (2010.01)
CPC H01M 4/364 (2013.01) [H01M 4/483 (2013.01); H01M 4/587 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01)] 10 Claims
 
1. A negative electrode material for nonaqueous secondary batteries, comprising
carbonaceous particles (A) having a 10%-particle size displacement pressure of 2.5 to 10 MPa, the 10%-particle size displacement pressure as measured using a micro-compression testing machine; and
silicon oxide particles (B), having a median diameter (D50) of 0.8 μm or more and 20 μm or less.