FIELD: chemistry.
SUBSTANCE: blocking desorption areas on surface of metal structure increases partial pressure of hydrogen/deuterium when absorption and desorption processes reach equilibrium. Higher the number of desorption sections that are blocked, the higher the high equilibrium pressure can be achieved in order to achieve a higher hydrogen loading coefficient. Besides, since hydrogen desorption takes place along grain boundaries, reduced length of grain boundaries reduces hydrogen desorption degree. Also disclosed are methods and a device for increasing grain size to reduce the length of boundaries between grains.
EFFECT: invention discloses methods and an apparatus for improving the hydrogen gas charging coefficient in a transition metal.
19 cl, 5 dwg
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