Contemporary Amperex Technology Co., Ltd.

Contemporary Amperex Technology (hong Kong) Limited

Contemporary Amperex Technology Limited

Wu Lin

Zhihui Wang

Yitai Guo

Jia Wang

Jiayi Zhao

This application relates to the field of battery manufacturing technologies and provides a battery formation and grading device including: a box having an accommodating space; a temperature control apparatus, provided on the box, including a semiconductor cooling sheet, where two opposite sides of the semiconductor cooling sheet are configured as a cooling surface and a heating surface, the cooling surface being arranged facing the inside of the box and the heating surface being arranged facing the outside of the box. The technical solution of this application improves the efficiency of temperature control inside the battery formation and grading device and reduces the cost of temperature control.

Battery formation and grading device

Provided are a test assembly and a test tooling, including: interfaces, where one end of the interface is configured to connect a device under test, and the interfaces include a first interface and a second interface; a first three-way valve, where the first three-way valve includes a first cut-in valve, a first vent valve, and a first test valve, another end of the first interface is connected to the first cut-in valve, and the first vent valve lets in atmospheric air and is able to open and close; a second three-way valve, where the second three-way valve includes a second cut-in valve, a second vent valve, and a second test valve, another end of the second interface is connected to the second cut-in valve, and the second vent valve lets in atmospheric air and is able to open and close; and a manifold.

Test assembly and test tooling

Growing community of inventors

Ningde, China

Wu Lin