| 摘要 |
Battery modules are provided. A battery module for a portable electronic device includes a first case, a second case, a battery cell enclosed by the first and second cases, a spacing means, and an adhesive. The first case includes a first surface, and the second case includes a second surface corresponding to the first surface. The spacing means is disposed between the first and second surfaces, forming a gap therebetween. The adhesive is disposed in the gap to connect the first and second surfaces of the first and second cases.
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