Sci-Fi Visions

Single-catalyst water splitter from Stanford produces clean-burning hydrogen 24/7

Fred PetersonJune 27th 2015
  • The team has developed a low-voltage, single-catalyst water splitter that continuously generates hydrogen and oxygen for more than 200 hours, an exciting world-record performance.
  • In an engineering first, Cui and his colleagues used lithium-ion battery technology to create one low-cost catalyst that is capable of driving the entire water-splitting reaction.
  • In conventional water splitters, the hydrogen and oxygen catalysts often require different electrolytes with different pH – one acidic, one alkaline – to remain stable and active. The team’s single-catalyst water splitter operates efficiently in one electrolyte with a uniform pH.

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