Thermoelectric cooling-based power battery thermal management system
A thermal management system, power battery technology, applied in secondary batteries, circuits, electrical components, etc., can solve the problems that the battery shape cannot be well matched, the structure of the liquid cooling system is complex, and the battery heat dissipation requirements cannot be met. Compact, long service life, extended life effect
Active Publication Date: 2015-07-22
广东璟域能源科技有限公司
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Abstract
The invention discloses a thermoelectric cooling-based power battery thermal management system. The thermoelectric cooling-based power battery thermal management system comprises battery modules, a battery box body used for accommodating the battery modules, thermoelectric semiconductor chips arranged on the two side surfaces of the battery box body via embedding, ribbed radiators arranged on the top ends of the thermoelectric semiconductor chips; square battery cells arranged in the battery box body, connection straps used for connection of the battery cells, composite phase change materials arranged between each two adjacent square battery cells via embedding, skeleton metal meshes arranged in the composite phase change materials, and circuit moulds used for controlling working states of the thermoelectric semiconductor chips. The thermoelectric cooling-based power battery thermal management system is compact in structure, high in safety, and excellent in heat dissipation effect; combination of the composite phase change materials with the thermoelectric semiconductor chips is adopted, so that problems, including battery cell temperature equilibrium and rapid cooling, of battery thermal management systems are solved; at the same time, a low-temperature auxiliary heating problem caused when temperature T is lower than a critical charging temperature in powder battery charging processes is solved; and normal charging of the power batteries is ensured.
Application Domain
Secondary cells
Technology Topic
Composite phase change materialMetal +13
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