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    • 1. 发明公开
    • COMPRESSION DEVICE
    • EP4455365A1
    • 2024-10-30
    • EP22910760.2
    • 2022-11-28
    • Panasonic Intellectual Property Management Co., Ltd.
    • NAKAUE, TakayukiSAKAI, OsamuKITA, HiromiKANI, Yukimune
    • C25B1/02C25B9/00C25B9/05C25B9/23C25B13/02
    • Y02E60/36C25B9/23C25B9/00C25B1/02C25B9/05C25B13/02
    • A compression apparatus includes at least one compression unit including an electrolyte membrane, an anode provided on a first principal surface of the electrolyte membrane, a cathode provided on a second principal surface of the electrolyte membrane, an anode separator stacked on the anode, and a cathode separator stacked on the cathode, a voltage applier that applies a voltage between the anode and the cathode, an anode end plate provided on the anode separator located at a first end in a direction of stacking, a cathode end plate provided on the cathode separator located at a second end in the direction of stacking, and a plate-like member provided between the cathode end plate and the cathode separator located at the second end or between the anode end plate and the anode separator located at the first end. The compression apparatus causes, by using the voltage applier to apply a voltage, protons taken out from an anode fluid that is supplied to the anode to move to the cathode via the electrolyte membrane and generates compressed hydrogen. The plate-like member is provided with a recess in which to store the compressed hydrogen and a groove portion that surrounds an outer periphery of the recess. The groove portion is provided with a seal material and a ring material that is adjacent to an outer edge of the seal material and that surrounds the seal material. An outer peripheral surface of the groove portion and an outer peripheral surface of the ring material are both provided with gradients so as to become wider toward an opening of the groove portion.