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US 12,009,498 B2Granted
Battery pack
AssigneeHonda Motor Co., Ltd.
InventorRieko Koyama
Life of this patent
Estimating the term…
Abstract
A battery pack is provided with: a battery module having a cell stack configured by stacking a plurality of cells; and a cooling mechanism for cooling the battery module. The cooling mechanism is a refrigerant flow passage through which a liquid medium passes. The cell stack and the refrigerant flow passage are arranged with a bottom plate interposed therebetween. A plurality of protrusions are provided on the lower surface of the bottom plate. The plurality of protrusions are arranged in a staggered pattern along the stacking direction of the cells.
Claims6
A battery pack comprising:
- a battery module including a cell stack configured by stacking a plurality of cells;
- and
- a cooling mechanism for cooling the battery module, wherein
- the cooling mechanism is a refrigerant flow path through which a liquid medium passes,
- the cell stack and the refrigerant flow path are arranged with a partition wall being interposed therebetween,
- the partition wall forms a part of the refrigerant flow path and has a surface provided with a plurality of convex portions,
- the plurality of convex portions are arranged in a staggered manner along a stacking direction of the cells, and
- each of the convex portions is a quadrangular pyramid having a square bottom surface, and is arranged such that one of two diagonal lines is in the stacking direction.
5 more elements
A battery pack comprising:
- a battery module including a cell stack configured by stacking a plurality of cells;
- and
- a cooling mechanism for cooling the battery module, wherein
- the cooling mechanism is a refrigerant flow path through which a liquid medium passes,
- the cell stack and the refrigerant flow path are arranged with a partition wall being interposed therebetween,
- the partition wall forms a part of the refrigerant flow path and has a surface provided with a plurality of convex portions,
- the plurality of convex portions are arranged in a staggered manner along a stacking direction of the cells,
- the partition wall is a bottom plate of the battery module,
- a concave portion is provided on a lower surface of the bottom plate,
- the concave portion is sealed at a bottom portion of a battery case housing the battery module, and
- the refrigerant flow path is formed by the concave portion of the battery case bottom plate and the bottom portion of the battery case.
8 more elements
Dependencies are inferred from the claim text.