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US 12,763,393 B2Granted
Power supply device and electric vehicle
AssigneeSanyo Electric Co., Ltd.
InventorsNao Kogami, Kazuhiro Harazuka
Life of this patent
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Abstract
A power supply device includes a battery block in which a plurality of battery cells are stacked in a thickness with separator interposed therebetween, a pair of end plates disposed on both end surfaces of the battery block, and a binding bar coupled to the pair of end plates and fixing a battery block in a pressurized state via the end plates. Separator includes heat insulating sheet in which a gap of a fiber sheet is filled with silica aerogel, and rubbery elastic sheet stacked on a surface of heat insulating sheet.
Claims13
A power supply device comprising:
- a battery block including a plurality of battery cells stacked along a thickness of each of the plurality of battery cells with a separator interposed between the plurality of battery cells;
- a pair of end plates disposed on both end surfaces of the battery block;
- and
- a binding bar coupled to the pair of end plates and fixing the battery block in a pressurized state via the end plates, wherein
- the separator includes a heat insulating sheet including a fiber sheet and silica aerogel, and
- an elastic sheet stacked on an entirety of a surface of the heat insulating sheet that faces an adjacent battery cell of the plurality of battery cells,
- wherein the elastic sheet comprises a synthetic rubber whose hardness is from 10 degrees to 80 degrees inclusive and whose compression set is 20% or less.
4 more elements
A power supply device comprising:
- a battery block including a plurality of battery cells stacked along a thickness of each of the plurality of battery cells with a separator interposed between the plurality of battery cells;
- a pair of end plates disposed on both end surfaces of the battery block;
- and
- a binding bar coupled to the pair of end plates and fixing the battery block in a pressurized state via the end plates, wherein
- the separator includes a heat insulating sheet including a fiber sheet and silica aerogel, and
- an elastic sheet stacked on a surface of the heat insulating sheet,
- wherein the elastic sheet is made of a synthetic rubber sheet that has a compression set of 20% or less and that has a hardness from 10 degrees to 80 degrees inclusive.
4 more elements
Dependencies are inferred from the claim text.