| abstract |
The present invention relates to a hydrogen gas sensor and, more specifically, to a hydrogen gas sensor having improved visibility and weather resistance, and a manufacturing method therefor. The hydrogen gas sensor according to the present invention comprises at least one unit sensor layer comprising: a porous color change detection layer comprising a metal oxide, metal nanoparticles and a silicate; and a protective layer positioned on the porous color change detection layer, and comprising a pressure-sensitive adhesive olefin-based resin. |