Abstract: A hydrogen generator can include, in some aspects, a reaction chamber configured to contain a reagent; a supply water tank; water conduit tubing provided inside the reaction chamber, the water conduit tubing including a water conduit tubing inlet being fluidically connected to the supply water tank and a water conduit tubing outlet; a water dispenser provided inside the reaction chamber, the water dispenser including a water dispenser inlet being fluidically connected to the water conduit tubing outlet and a surface with a plurality of water outlet channels; a water pump; an electric power supply; a controller adapted to activate the water pump for transferring water through the hydrogen generator for interacting with the reagent in the reaction chamber to generate hydrogen gas, and a hydrogen collector provided inside the reaction chamber, the hydrogen collector including a surface with a plurality of gas inlet channels for receiving the hydrogen gas.