The invention is an electrochemical battery cell with a fluid consuming electrode, such as an oxygen reduction electrode, and a fluid regulating system.

本发明是电化学电池组电池，其带有流体消耗电极如氧还原电极，以及流体调节系统。

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The CO2 reduction takes place on a metal catalyst at the opposite side of nitride semiconductor photo-electrode.(See Fig. 1) The metal catalyst plays an important role in selecting and accelerating the reaction.

ENGADGET: Panasonic Photosynthesis System converts carbon dioxide to organic material with plant-like efficiency