Tokyo Institute of Technology researchers develop a new method to release hydrogen from hydrogen boride sheets using electrolysis, potentially making hydrogen storage more practical.
Tokyo Institute of Technology scientists have reported hydrogen stored in hydrogen boride sheets can be efficiently released electrochemically. Through a series of experiments, they demonstrated that dispersing these sheets in an organic solvent and applying a small voltage is enough to release all the stored hydrogen efficiently. The results suggest hydrogen boride sheets could soon become a safe and convenient way to store and transport hydrogen, which is a cleaner and more sustainable fuel.
In consideration of the mechanism of UV-induced H2 release from HB sheets, the team speculated that electron injection from a cathode electrode into HB nanosheets by an electric power supply could be a superior way to release H2 compared to UV irradiation or heating. Based on this theory, the researchers dispersed HB sheets into acetonitrile – an organic solvent – and applied a controlled voltage to the dispersion.
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