US 12,283,666 B2
Composite catalyst for positive electrode of aqueous rechargeable battery, method for preparing the composite catalyst, positive electrode for aqueous rechargeable battery including the composite catalyst and aqueous rechargeable battery including the positive electrode
Si Hyoung Oh, Seoul (KR); Hyungi Jo, Seoul (KR); Min Ji Jeong, Seoul (KR); Woo Joo No, Seoul (KR); Hyungseok Kim, Seoul (KR); and Minah Lee, Seoul (KR)
Assigned to Korea Institute of Science and Technology, Seoul (KR)
Filed by KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, Seoul (KR)
Filed on Jul. 27, 2022, as Appl. No. 17/874,966.
Claims priority of application No. 10-2021-0167290 (KR), filed on Nov. 29, 2021.
Prior Publication US 2023/0170537 A1, Jun. 1, 2023
Int. Cl. H01M 10/42 (2006.01); C01G 45/02 (2006.01); C01G 55/00 (2006.01)
CPC H01M 10/4242 (2013.01) [C01G 45/02 (2013.01); C01G 55/00 (2013.01); C01P 2006/40 (2013.01); H01M 2300/0002 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A noble metal-manganese oxide composite catalyst for a positive electrode of an aqueous rechargeable battery,
wherein a weight ratio of the manganese oxide to the noble metal is 100:0.001-10, and
wherein the composite catalyst functions to convert decomposition products, including hydrogen gas, back into water as a solvent of an aqueous electrolyte in the aqueous rechargeable battery.