US 12,448,300 B2
Electrolytic manganese dioxide, method for manufacturing same, and use thereof
Naoto Suzuki, Yamaguchi (JP); Akinori Eshita, Yamaguchi (JP); and Takayuki Shoji, Miyazaki (JP)
Assigned to TOSOH CORPORATION, Yamaguchi (JP)
Appl. No. 17/297,179
Filed by TOSOH CORPORATION, Yamaguchi (JP)
PCT Filed Nov. 22, 2019, PCT No. PCT/JP2019/045829
§ 371(c)(1), (2) Date May 26, 2021,
PCT Pub. No. WO2020/110951, PCT Pub. Date Jun. 4, 2020.
Claims priority of application No. 2018-223660 (JP), filed on Nov. 29, 2018; and application No. 2019-156545 (JP), filed on Aug. 29, 2019.
Prior Publication US 2022/0033274 A1, Feb. 3, 2022
Int. Cl. C01G 45/02 (2025.01); C25B 1/21 (2006.01); C25B 15/027 (2021.01); H01M 4/50 (2010.01)
CPC C01G 45/02 (2013.01) [C25B 1/21 (2013.01); C25B 15/027 (2021.01); H01M 4/50 (2013.01); C01P 2006/16 (2013.01); C01P 2006/40 (2013.01)] 9 Claims
 
1. An electrolytic manganese dioxide, wherein
the electrolytic manganese dioxide has a BET specific surface area of at least 20 m2/g and at most 30 m2/g,
the average size of mesopores is at least 6.5 nm and at most 10 nm,
the alkali potential is at least 300 mV and at most 350 mV, and
the structural water content is at least 4.10 wt %.