Heat dissipating structure and battery provided with the same
A heat dissipating structure for a battery is provided between a heat source and a cooling member and enables heat dissipation from the heat source by conducting heat from the heat source to the cooling member. The heat dissipating structure includes: a thermally conductive sheet containing at least one of metal, carbon, and ceramic and settable between the heat source and the cooling member; and a cushion member at least partially covered with the thermally conductive sheet.
1. A battery, comprising:
a plurality of battery cells, as a heat source, in a housing to come into contact with a cooling member; and
a heat dissipating structure provided between the heat source and the cooling member, and enabling heat dissipation from the heat source by conducting heat from the heat source to the cooling member, the heat dissipating structure comprising:
a thermally conductive sheet comprising at least one of metal, carbon, and ceramic and settable between the plurality of battery cells and the cooling member; and
a cushion member at least partially covered with the thermally conductive sheet,
wherein
the thermally conductive sheet has an O-shaped cross section or a downward-C-shaped cross section with an opening facing the cooling member in a part disposed between the heat source and the cooling member, and
the cushion member is arranged inside the thermally conductive sheet.
2. The battery of claim 1 , wherein
in the cushion member, at least one end of both ends in a longitudinal direction of the heat dissipating structure is exposed from the thermally conductive sheet.
3. The battery of claim 1 , wherein
the heat dissipating structure further comprises a rubber sheet tightly fixing the thermally conductive sheet to at least one of the heat source and a periphery of the cooling member.
4. The battery of claim 3 , wherein
the rubber sheet is made of silicone rubber.
5. The battery of claim 1 , wherein
the thermally conductive sheet comprises carbon filler and resin.
6. The battery of claim 1 , wherein
the heat dissipating structure further comprises energization electrodes capable of supplying electricity to heat the thermally conductive sheet or the cushion member.
7. The battery of claim 1 , wherein a plurality of the heat dissipating structures is provided in the housing, each heat dissipating structure mounting one or more of the battery cells in the housing.
8. The battery of claim 7 , wherein the plurality of heat dissipating structures is arranged at a distance from one another not to come into contact with each other even when compressed by the battery cells mounted on the heat dissipating structures.