Is Hydrogen Gas Generators Are Safe To Use? Using an electrolysis process hydrogen generator produces hydrogen from water. With the help of electricity used by a hydrogen generator, it is easy to split the hydrogen atoms into a water molecule. The process is performed by a cell inside the hydrogen generator and towards the cathodic catalyst hydrogen ions are attracted, and towards the anodic catalyst, oxygen ions are attracted. In a wide selection of models and configurations, Hydrogen gas generators are available which offer safe operation, reliability, and high performance.