METHOD FOR PRODUCING HYDROGEN GAS-CONTAINING MATERIAL AND DEVICE FOR PRODUCING HYDROGEN GAS-CONTAINING MATERIAL

Provided is a method for producing a hydrogen gas-containing material, the method ensuring higher safety than conventional production methods, being simple, and exhibiting high efficiency in production, wherein comingling of nitrogen gas into the hydrogen gas-containing material produced in this production method can be prevented, and the amount of hydrogen to be contained in the hydrogen gas-containing material is easy to adjust. Also provided is a device for producing hydrogen gas-containing material. In one embodiment, provided is a method for producing a hydrogen gas-containing material, the method comprising: mixing, in a line mixer 20, hydrogen gas and a liquid composition that includes a gelling agent or a thickener and a liquid solvent; cooling down, in a liquid-transfer piping 22connected to the line mixer 20, the liquid composition including hydrogen gas; and gelling or thickening the liquid composition including hydrogen gas. 本发明提供一种含氢气材料的制备方法和含氢气材料的制备装置，该制备方法确保具有比现有的制备方法更高的安全性、简便且生产效率高，通过该制备方法制备的含