公开(公告)号：US20240396088A1

公开(公告)日：2024-11-28

申请号：US18791446

申请日：2024-08-01

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jie Guo ,  Zeli Wu ,  Changlong Han ,  Guan Wang

IPC: H01M10/0568 ,  H01M4/02 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/42

Abstract: The present application provides a non-aqueous electrolyte, a secondary battery, and an electrical device. The non-aqueous electrolyte includes at least two of a boron-containing lithium salt additive, a phosphorus-containing lithium salt additive, and a sulfur-containing lithium salt additive; based on a total mass of the non-aqueous electrolyte, a mass percentage of the boron-containing lithium salt additive is A1%; based on the total mass of the non-aqueous electrolyte, a mass percentage of the phosphorus-containing lithium salt additive is A2%; based on the total mass of the non-aqueous electrolyte, a mass percentage of the sulfur-containing lithium salt additive is A3%; and the non-aqueous electrolyte satisfies: 0

公开(公告)号：US20240396036A1

公开(公告)日：2024-11-28

申请号：US18789723

申请日：2024-07-31

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jie Guo ,  Zeli Wu ,  Changlong Han ,  Guan Wang ,  Bin Jiang

IPC: H01M4/525 ,  H01M4/02 ,  H01M4/133 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0569

Abstract: The present application provides a secondary battery, a battery module, a battery pack, and an electrical device. The secondary battery includes a positive electrode plate and an electrolytic solution; the positive electrode plate including a positive electrode active material; the electrolytic solution includes a boron-containing salt; a mass percentage of the boron-containing salt based on the total mass of the electrolytic solution is denoted as A %; an upper-limit potential of the positive electrode active material with respect to lithium metal is denoted as V1 (V); and the secondary battery satisfies: 0 4.1; optionally, 0