Contemporary Amperex Technology Co., Ltd.

Jiangsu Contemporary Amperex Technology Limited

Contemporary Amperex Technology (hong Kong) Limited

Fan Zhang

Lei Chen

Langchao Hu

Yuchao Chen

Xiaoshan Dai

Heyuan Li

Sien Chen

The embodiments of the application provide a battery and a device. The battery includes at least two battery units, wherein the battery unit is provided with a casing and two electrode connecting portions which are arranged on two sides of the casing and have opposite polarities, and the battery units include a first battery unit and a second battery unit which are connected in series; a conductive component arranged on one side of the casing and for being electrically connected to one of the two electrode connecting portions of the first battery unit and the casing of one of the first battery unit and the second battery unit; and a signal detection component arranged on the other side of the casing. The embodiments of the application can simplify the wiring of the signal detection circuit, improve reliability of the signal detection circuit, and then improve safety performance of the battery.

Battery and device

Provided in the embodiments of the application are a bidirectional pressure relief valve, a battery and an electric device. The bidirectional pressure relief valve includes a valve seat, a first valve element and a second valve element, where the valve seat has a first end and a second end opposite each other, a channel and a partition plate, the channel penetrating the first end and the second end, a first pressure relief hole being provided on the partition plate, and the partition plate being arranged on an inner wall of the channel, and dividing the channel into a first cavity and a second cavity in an axial direction of the channel. The bidirectional pressure relief valve of the application can be applied to the battery to maintain balance between internal pressure and external pressure of the battery.

Bidirectional pressure relief valve, battery and electric device

A valve, a battery and a power consumption device are disclosed, the valve includes a valve body, a barrier, a first unidirectional valve core and a second unidirectional valve core. The valve body includes a fluid channel; the barrier is disposed in the fluid channel, and separates the fluid channel into a first cavity and a second cavity, the barrier is provided with a first through hole and a second through hole communicating the first cavity and the second cavity; the first unidirectional valve core is configured to close or open the first through hole; the second unidirectional valve core is configured to close or open the second through hole, opening directions of the first unidirectional valve core and the second unidirectional valve core are opposite. The valve is compact and capable of implementing a bi-directional flow of fluid.

Valve, battery and power consumption device

This application discloses a bidirectional vent valve, a battery, and an electrical device. The bidirectional vent valve includes: a valve seat, where the valve seat is configured to form a gas duct, and the gas duct includes a first end and a second end; a bidirectional valve assembly, where the bidirectional valve assembly is movably disposed in the gas duct, and is configured to open or close the gas duct through movement relative to the gas duct; and a first elastic component, configured to exert a force on the bidirectional valve assembly to close the air duct, and, when an air pressure difference between the first end and the second end of the gas duct is greater than a first threshold, the bidirectional valve assembly is configured to overcome the force of the first elastic component to open the gas duct.

Growing community of inventors

Ningde, China

Fan Zhang