System and method for generating and storing pressurized hydrogen

A system and method for the generation of pressurized hydrogen gas without the use of a compressor or significant energy input, for use in for the charging of a metal hydride hydrogen storage unit. A hydrogen gas generator (100) generates pressurized hydrogen gas from the reaction of a chemical hydride with an aqueous solution. The pressurized hydrogen gas is treated in a conditioner (101) prior to storage in a hydrogen storage canister (104).