KAIST Startup HydroXpand: Proprietary Technology for AEM Water Electrolysis
HydroXpand
Just two years after its founding, this AEM water electrolysis startup has already won the Grand Prize at South Korea’s largest startup competition. Monthly Hydrogen Economy visited HydroXpand’s laboratory firsthand to verify the substance behind their proprietary technology based on a nickel-iron alloy catalyst. The article covers in detail the mechanisms behind HydroXpand’s self-growing anode technology and highly dispersed cathode technology, the roadmap from delivering 2kW stacks to scaling up to 30kW, and the phased market entry strategy spanning research, demonstration, and industrial expansion. CEO Hyun Jong-hyun stated, “We place technological honesty as our top priority. If there are shortcomings, we don’t hide them — we clearly share the resolution roadmap with our customers.”