“…41,42 Among them, H 2 evolution upon the hydrolysis of chemical hydrogen storage materials has attracted wide attention because it could solve the problems concerning safe production, storage and transportation of H 2 . 43,44 Typically, most hydrogen-rich boron hydrides (such as sodium borohydride, [45][46][47][48][49] ammonia borane, [50][51][52][53][54] and dimethylaminoborane [55][56][57][58][59] ) catalyzed by metal nanoparticles generate H 2 with only one H atom supplied by water and the other one by hydrogen-rich boron hydrides. Since 2020, our group successively reported highly efficient H 2 production upon water splitting at the expense of B 2 (OH) 4 (eqn (1)), which is a common borylation reagent [60][61][62][63][64][65][66][67][68] catalysed by acid, base or metal nanoparticles.…”