BATTERY MODULE HAVING IMPROVED STRUCTURE FOR FIXING END PLATE AND METHOD OF FIXING THE SAME
First Claim
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1. A battery module comprising:
- a battery unit comprising a plurality of batteries;
a pair of end plates, one of the end plates installed at either end of the battery unit; and
a fixing band that encircles the end plates and the battery unit, wherein the fixing band comprises a material that expands when heated and contracts when cooled.
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Abstract
A battery module includes a battery unit having a plurality of batteries; a pair of end plates, one of the end plates installed at either end of the battery unit; and a fixing band that encircles the end plates and the battery unit, wherein the fixing band is made from a material that expands when heated and contracts when cooled.
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Citations
18 Claims
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1. A battery module comprising:
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a battery unit comprising a plurality of batteries; a pair of end plates, one of the end plates installed at either end of the battery unit; and a fixing band that encircles the end plates and the battery unit, wherein the fixing band comprises a material that expands when heated and contracts when cooled. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of assembling a battery module comprising a plurality of batteries and a pair of end plates, one of the end plates installed at either end of the battery unit, the method comprising:
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thermally extending a length of a fixing band so that the length of the fixing band is longer than a circumference of an assembly of the battery unit and the end plates; installing the fixing band around the assembly; and cooling the fixing band to shorten the length of the fixing band such that the fixing band contacts each of the end plates. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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Specification