About 104 results
https://drivepatents.com/patents/1379797 · 19 Mar 2026
A battery cell includes a housing, a bare cell, and a pressure relief structure. The housing internally forms an accommodating cavity. The bare cell is accommodated in the accommodating cavity. The pressure relief structure is mounted on a first wall surfa...
https://drivepatents.com/patents/1379751 · 19 Mar 2026
A secondary battery and an electrical apparatus are disclosed. The secondary battery includes a negative electrode plate and a non-aqueous electrolyte solution. The negative electrode plate includes a negative electrode active material. The volume average ...
https://drivepatents.com/patents/1379753 · 19 Mar 2026
A non-aqueous electrolyte solution includes additives, the additives include a first additive and a second additive, in which, the first additive is any one or more cyclic sulfate compounds having a structure shown in a general formula (I), and the second ...
https://drivepatents.com/patents/1379754 · 19 Mar 2026
A secondary battery and an electrical apparatus are disclosed. The secondary battery includes a non-aqueous electrolyte solution containing a cyclic sulfate compound. An electrical apparatus including the secondary battery is also described.
https://drivepatents.com/patents/1379715 · 19 Mar 2026
A positive electrode active material, a preparation method thereof, a secondary battery, and an electric apparatus are disclosed. The positive electrode active material is an agglomerate of primary particles. The positive electrode active material internal...
https://drivepatents.com/patents/1379791 · 19 Mar 2026
A battery box, a battery, a battery mounting frame, a vehicle frame, and an electric apparatus, where the battery box includes: a box body; and a first buffer member, arranged on an outer wall surface of the box body, where the first buffer member has a fi...
https://drivepatents.com/patents/1379752 · 19 Mar 2026
A non-aqueous electrolyte solution for a secondary battery, a secondary battery, and an electrical apparatus are described. The non-aqueous electrolyte solution for a secondary battery of the present application comprises an additive and a non-aqueous solv...
https://drivepatents.com/patents/1379816 · 19 Mar 2026
A drain valve includes a valve body, a valve core, a gas-generating substance, and a check member. The valve body has a liquid inlet and a liquid outlet. The valve core movably fits with the valve body to close the liquid outlet. The gas-generating substan...
https://drivepatents.com/patents/1379763 · 19 Mar 2026
Embodiments of the present application provide a separator, a preparation method thereof, a secondary battery, and an electric apparatus. The separator includes a first base film, a coating, and a second base film, where the coating is disposed between the...
https://drivepatents.com/patents/1379796 · 19 Mar 2026
A battery cell, a battery, and an electrical apparatus are disclosed. The battery cell includes a shell having a first wall and a second wall joined together. The first wall is formed with a groove that ruptures during pressure relief to release internal p...