Revolutionizing Clean Energy: Extracting Hydrogen Safely From the Ocean
Key Ideas
  • Equatic's new electrode technology can safely extract oxygen and hydrogen from seawater at gigaton scales, while leaving behind salt and eliminating the production of toxic chlorine gas.
  • The process uses direct air capture to remove carbon from the atmosphere and the anodes are recyclable, only needing a recoating of catalysts made from abundant materials every three years.
  • The development has received funding support from the U.S. Department of Energy's ARPA-E, and Equatic's breakthrough is set to fuel the domestic clean economy in San Diego with global implications.
  • These innovative electrodes will be tested at a plant in Singapore and a commercial plant in Quebec, with the latter expected to remove 109,500 tonnes of CO2 and generate 3,600 tonnes of green hydrogen by 2026.
In a groundbreaking development in the realm of clean energy, a U.S. company named Equatic has successfully created a new electrode technology that allows for the safe and efficient extraction of oxygen and hydrogen from seawater. This innovation addresses the challenge of producing hydrogen from the ocean without generating toxic chlorine gas, which has been a significant barrier in the past. By utilizing oxygen-selective anodes (OSAs), Equatic's method eliminates the need for pure water and instead taps into the abundant resource of seawater. The electrodes, developed with finely-architectured catalysts, can be scaled up to gigaton levels and are designed to be recyclable, requiring a recoating of catalysts every few years. This approach not only promotes environmental sustainability but also utilizes direct air capture technology to trap atmospheric CO2 and convert it into stable minerals, effectively contributing to carbon removal. Supported by the U.S. Department of Energy's ARPA-E, Equatic plans to manufacture these electrodes in San Diego, with real-world testing set to take place in Singapore and Quebec. The commercial plant in Quebec is projected to have a substantial impact, removing a significant amount of CO2 and producing green hydrogen by 2026. Overall, this innovative technology opens up new possibilities for clean energy production and carbon removal on a global scale, representing a significant step forward in the utilization of the ocean's vast energy potential.
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