公开(公告)号：US20240047747A1

公开(公告)日：2024-02-08

申请号：US18229913

申请日：2023-08-03

Applicant: Seoul National University R&DB Foundation

Inventor： Jang Wook CHOI ,  Minkwan KIM

IPC: H01M10/0567 ,  H01M10/36 ,  H01M10/02 ,  H01M10/0569 ,  H01M10/0568 ,  H01M4/38 ,  H01M4/60

CPC classification number: H01M10/0567 ,  H01M10/36 ,  H01M10/02 ,  H01M10/0569 ,  H01M10/0568 ,  H01M4/38 ,  H01M4/606 ,  H01M2004/027

Abstract: Disclosed is a zinc rechargeable battery, the zinc rechargeable battery including a positive electrode, a zinc-containing negative electrode, a separator between the positive electrode and the negative electrode, and an electrolyte, wherein the electrolyte includes a solvent, a zinc salt, and a low kex cation having a solvent exchange rate constant (kex) of less than or equal to about 103 s−1, and in the electrolyte, a molal concentration of the low kex cation in the electrolyte is lower than a molal concentration of a zinc ion.

公开(公告)号：US20240055587A1

公开(公告)日：2024-02-15

申请号：US18229918

申请日：2023-08-03

Applicant: Seoul National University R&DB Foundation

Inventor： Jang Wook CHOI ,  Minkwan KIM ,  Jimin LEE

IPC: H01M4/42 ,  H01M4/52 ,  H01M4/50 ,  H01M50/46

CPC classification number: H01M4/42 ,  H01M4/52 ,  H01M4/50 ,  H01M50/46 ,  H01M2004/027

Abstract: Disclosed is a zinc rechargeable battery, the zinc rechargeable battery including a positive electrode, a zinc-containing negative electrode, a separator between the positive electrode and the negative electrode, and an electrolyte, wherein the zinc rechargeable battery includes an additive and the additive is a compound having a donor number of about 32 or more.