About 29 results
https://drivepatents.com/patents/1390815 · 9 Jun 2026
This application provides a winding and unwinding device and a battery production system. The winding and unwinding device includes a turret, a driver, and a magnetic powder clutch. The turret includes a rotation shaft and at least one winding shaft, the r...
https://drivepatents.com/patents/1385617 · 4 Jun 2026
A secondary battery includes a positive electrode plate, wherein the positive electrode plate comprising a positive electrode current collector and a positive electrode film layer arranged on at least one surface of the positive electrode current collector...
https://drivepatents.com/patents/1385660 · 4 Jun 2026
A secondary battery includes a positive electrode plate and a negative electrode plate; the positive electrode plate includes a positive electrode current collector and a positive electrode film layer arranged on at least one of the surfaces of the positiv...
https://drivepatents.com/patents/1385803 · 4 Jun 2026
A control method of a battery apparatus includes acquiring a state parameter of a first battery module of the battery apparatus, controlling the first battery module and a charging device to form a first charging loop in response to the state parameter of ...
Case of battery, battery, power consuming device, and method and apparatus for manufacturing battery
https://drivepatents.com/patents/1374617 · 2 Jun 2026
Embodiments of the present application provide a case of a battery, a battery, a power consuming device, and a method and an apparatus for manufacturing a battery. The case may comprise: a cooling component, a liquid collection structure being arranged on ...
https://drivepatents.com/patents/1374606 · 2 Jun 2026
The present application provides a flow test tool, a negative pressure formation apparatus, and a battery manufacturing device. The flow test tool includes a base and a flow test module mounted on the base, the flow test module is provided with a plurality...
https://drivepatents.com/patents/1114798 · 28 May 2026
A secondary battery includes: a case; an electrode assembly disposed within the case and including a main body and two tabs; a cap assembly including a cap plate, a lower insulating member and an explosion-proof valve, the explosion-proof valve being dispo...
https://drivepatents.com/patents/1114800 · 28 May 2026
The present disclosure relates to a secondary battery and a battery module. The secondary battery includes a case including a receiving space with an opening; a cap assembly connected to the case and close the opening; an electrode assembly disposed in the...
https://drivepatents.com/patents/1114833 · 28 May 2026
A battery cell, a battery, an electric device, and a method for preparing a battery cell are described. The battery cell includes: a housing having an opening; an end cap assembly for closing the opening; an electrode assembly accommodated inside the housi...
https://drivepatents.com/patents/964983 · 26 May 2026
The present application discloses a battery pack charging system and its control method. The battery pack charging system includes a battery pack, a charging apparatus, a negative pulse absorbing branch, and a control unit; the negative pulse absorbing bra...