A method for simultaneously producing carbon nanotubes and hydrogen according to the present invention is a method for simultaneously producing carbon nanotubes and hydrogen, in which using a carbon source containing carbon atoms and hydrogen atoms and bei...

A hydrogen generator of the present invention includes: a reformer (1) including a reforming catalyst (1A) containing nickel and configured to generate a hydrogen-rich fuel gas by using a raw material and steam; a temperature detector (12) configured to de...