An embodiment of the invention relates to a battery pack having a strength-reinforced housing that accommodates a plurality of battery cells. In one embodiment, the battery pack includes one or more battery cells, a housing accommodating the one or more battery cells, and a reinforcement portion for
An embodiment of the invention relates to a battery pack having a strength-reinforced housing that accommodates a plurality of battery cells. In one embodiment, the battery pack includes one or more battery cells, a housing accommodating the one or more battery cells, and a reinforcement portion formed in the housing. The housing has a bottom portion and three sidewalls upwardly extending from three-sided perimeters of the bottom portion. The reinforcement portion surrounds surfaces of the three sidewalls.
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1. A battery pack comprising: a battery module comprising at least one battery cell;a housing accommodating the at least one battery cell, the housing comprising a bottom plate and a plurality of side walls extending from the bottom plate, wherein the side walls each have a plurality of ribs extendi
1. A battery pack comprising: a battery module comprising at least one battery cell;a housing accommodating the at least one battery cell, the housing comprising a bottom plate and a plurality of side walls extending from the bottom plate, wherein the side walls each have a plurality of ribs extending therefrom in a direction generally away from the at least one battery cell; anda reinforcement member coupled to the housing and at least partially covering the plurality of ribs, wherein the reinforcement member is a single integral component and is at three sides of the housing; wherein the reinforcement member has a plurality of holes, and each of the plurality of ribs is engaged with a respective one of the plurality of holes, and wherein the reinforcement member is spaced apart from the side walls and seated on the plurality of ribs. 2. The battery pack of claim 1, wherein the reinforcing member has a coupling portion configured to receive a fastener to couple the reinforcing member to the housing. 3. The battery pack of claim 2, wherein a first side wall and a second side wall of the plurality of side walls extend in a direction substantially parallel to each other and wherein the housing has an attachment flange extending from the first and second side walls and configured to abut the coupling portion. 4. The battery pack of claim 3, wherein a fastener extends through an opening in the coupling portion and an opening in the attachment flange to couple the reinforcing member and the housing together. 5. The battery pack of claim 4, wherein the fastener is a bolt. 6. The battery pack of claim 1, wherein the housing comprises a resin comprising Acrylonitrile-Butadience-Stryene, Polyamide, PolyCarbonate, PolyChloroTriFluoroethylene, Poly DiAllyl Phthalate, Poly Ethylene, Poly Ethylene TerePhthalate, Phenol-Formaldehyde, Polyisobutylene, Poly Methyl MethAcrylate, Polyoxymethylene, Polyformaldehyde, PolyPropylene, PolyStyrene, PolyTetraFluoroEthylene, Polyurethane, Poly Vinyl Acetate, Poly Vinyl Alcohol, Poly Vinyl Butyral, Poly Vinyl Chloride, Poly Vinyl Chloride Acetate, Poly VinyliDene Chloride, Poly Vinyl Fluoride, or Poly Vinyl ForMal. 7. The battery pack of claim 1, wherein the reinforcing member comprises an engineering plastic resin or a fiber-reinforced plastic resin. 8. The battery pack of claim 1, wherein reinforcing member comprises Polyamide, Polyacetal, Polycarbonate, Modified Polyphenylen Oxide, or PolyButylene Terephthalate. 9. The battery pack of claim 1, wherein the reinforcing member comprises a metal. 10. The battery pack of claim 1, wherein reinforcing member comprises stainless steel, aluminum, aluminum alloy, copper, copper alloy, magnesium or magnesium alloy. 11. The battery pack of claim 1, further comprising an end plate coupled to the reinforcing member. 12. The battery pack of claim 1, further comprising an outer cover coupled to the housing, wherein the housing has a coupling portion and wherein the outer cover is coupled to the housing by the coupling portion. 13. The battery pack of claim 1, wherein the reinforcing member extends around the three sides of the battery module. 14. The battery pack of claim 1, wherein the housing further comprises a plurality of flanges adapted to engage openings of the reinforcing member to couple the reinforcing member to the housing. 15. The battery pack of claim 14, wherein the plurality of flanges are generally rectangular. 16. The battery pack of claim 1, wherein a plurality of ribs extend from the bottom plate in a direction away from the battery cells. 17. The battery pack of claim 1, wherein the reinforcing member comprises a pair of substantially parallel side members, a rear wall, and a pair of connection portions, one of the connection portions between the rear wall and a respective one the side members. 18. The battery pack of claim 17, wherein at least one of the pair of connection portions is curved.
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