Kitadai Figure 2 (IMAGE)

Tokyo Institute of Technology

Kitadai Figure 2

Caption

Conceptual diagram of a hydrothermal vent assumed to have been widely distributed on the Hadean ocean floor. Hydrogen and hydrogen sulfide contained in hydrothermal fluids are oxidized inside the vent, and the generated electrons flow away from the vent along the electric potential difference between hydrothermal fluids and seawater, which generates a steady electric current (hydrothermal electricity generation).

Credit

Kitadai et al. (2019) Science Advances

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