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Keywords:

  • electrochemistry;
  • fuel cells;
  • hydrogen;
  • lithium;
  • water splitting
Thumbnail image of graphical abstract

The Lith′ing Daylights: The direct chemical reaction between lithium and water is employed as a controllable electrochemical reaction in a lithium–water cell to generate H2 gas. The hydrogen generation can be easily controlled by adjusting the current density of the external circuit or discharge time. Lithium-metal production using solar energy and controllable hydrogen generation from such electrochemical cells may provide a new avenue for sustainable hydrogen generation.