Induction Plasma Synthesis of Dense Oxide Ion Layers for Reverse Combustion in the Anhydrous Molten Salt Na–B-O-H System

In order to achieve 15%wt H2 storage molten salts can be considered. Among the materials needed to produce the reverse combustion in molten salts, the production of anodes and electrolytes are challenging.  The initial induction plasma synthesized experiments using a suspension for the electrolyte and a solution for the anode have been performed and the major obstacles that must be overcome before achieving the goal of dense oxide ion layers have been realized (e.g. sources of contamination, loss of volatile compounds in the plasma, substrate heating, etc.). For the electrochemical experiments which will allow the equilibrium studies of the NaH-NaBH₄ and NaH-Na₄B₂O₅ binary systems a special high pressure reactor has been designed which integrates the plasma synthesized anodes and electrolytes.