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Keywords:

  • ammonia;
  • borane;
  • homogeneous catalysis;
  • hydrogen storage;
  • ionic liquids
Thumbnail image of graphical abstract

Getting light: Guanidinium borohydride (GBH) and ethylene-diamine bisborane (EDB) represent interesting molecular materials for hydrogen storage. Certain systems are theoretically able to deliver up to 5 equiv of dihydrogen (12.4 wt %) under mild conditions. The yielded hydrogen gas is of high purity and produces defined B[BOND]N species which are important for an efficient regeneration-process.