| 摘要 |
Heat generated from a fuel cell is released effectively. A fuel cell unit 400 is stored in a fuel cell storing part 201 on the inside of a lower case 200. A control circuit board 403 is mounted on an upper surface of the fuel cell unit 400, and a secondary battery 404 is mounted on the board 403. A heat transfer sheet 411 is attached to an anode plate of the fuel cell unit 400. A heat transfer sheet extension part 412 is joined to an end portion of the heat transfer sheet 411. The heat transfer sheet extension part 412 is provided to cover a reinforcement rib 207 and to extend to the inside of the lower case 200 of a fuel cartridge storing part 202. The heat transfer sheet extension part 412 is set in close contact with the inside of the case 200. Heat can be efficiently conducted from the fuel cell unit 400 to the lower case 200.
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