US 12,451,482 B2
Slurry for secondary batteries, positive electrode for secondary batteries, and secondary battery
Yuki Tokuda, Osaka (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Appl. No. 17/273,826
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
PCT Filed Aug. 29, 2019, PCT No. PCT/JP2019/033829
§ 371(c)(1), (2) Date Mar. 5, 2021,
PCT Pub. No. WO2020/059450, PCT Pub. Date Mar. 26, 2020.
Claims priority of application No. 2018-174072 (JP), filed on Sep. 18, 2018.
Prior Publication US 2021/0336257 A1, Oct. 28, 2021
Int. Cl. H01M 4/50 (2010.01); H01M 4/02 (2006.01); H01M 4/48 (2010.01); H01M 4/66 (2006.01); H01M 10/42 (2006.01)
CPC H01M 4/502 (2013.01) [H01M 4/483 (2013.01); H01M 2004/028 (2013.01); H01M 4/667 (2013.01); H01M 10/4235 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A positive electrode for a secondary battery, comprising:
a current collector;
an intermediate layer formed on at least one surface of the current collector; and
a mixture layer formed on the intermediate layer,
wherein the intermediate layer includes inorganic particles, a conductive agent, and a binder, and
the inorganic particles are composed of a metal compound comprising at least one element selected from Mn and Ti, and further containing at least one of 0.1 to 2% by mass of an alkali metal and 2 to 3% by mass of an alkaline earth metal,
wherein the inorganic particles are containing both the alkali metal and alkaline earth metal, and wherein the inorganic particles do not comprise alumina.