“…The highest hydrogen evolution rate was on the CuMnO 2 -E obtained by exchange reaction with SO 3 2À as hole scavenger. There are many of materials, which have been tested for hydrogen storage applications, such as, single wall carbon nanotubes, metal hydrides, organometallic compounds of multiple-decked sandwich clusters viz., M(C 6 H 6 ) 2 (M = Mn, Fe, and Co), layered materials of MPS 3 (M stands for transition metal), and nanomaterials [10][11][12][13][14][15][16]. Crednerite glass-ceramic material (CuMnO 2 ) is used for the first time as a hydrogen storage material, and there are a number of advantages of these materials as; i) it has a layered structure consisting of edge-shared MnO 6 octahedra and twocoordinated Cu + cations at the interlayer sites, which may allow to accommodate some molecules and ii) it has interesting applications, such as, the CuMnO 2 has been applied for photocatalytic hydrogen production.…”