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HyperSolar reaches 1.25 V for water-splitting with its self-contained low-cost photoelectrochemical nanosystem

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volts (V) of water-splitting voltage with its novel low-cost electrolysis technology. The theoretical minimum voltage needed to split water molecules into hydrogen and oxygen is 1.23 Nanosystem for water electrolysis. HyperSolar, Inc. announced that it had reached 1.25 V (at 25 °C at pH 0). Click to enlarge.

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Rice U team creates low-cost, high-efficiency integrated device for solar-driven water splitting; solar leaf

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Rice University researchers have created an efficient, low-cost device that splits water to produce hydrogen fuel. The current flows to the catalysts that turn water into hydrogen and oxygen, with a sunlight-to-hydrogen efficiency as high as 6.7%. The concept is broadly similar to an artificial leaf. 9b09053.

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KIT team designs low-cost photoreactor for efficient solar-driven synthesis

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Researchers from the Karlsruhe Institute of Technology (KIT) and their Canadian partners have designed a low-cost photoreactor design for solar-driven synthesis. The photoreactors have a low level of complexity, are readily manufacturable via mass fabrication techniques in polymers, and are easy to adapt to diverse photocatalysts.

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Researchers in Australia develop low-cost water-splitting catalyst that offers comparable performance to platinum

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Iron and nickel, which are found in abundance on Earth, would replace precious metals ruthenium, platinum and iridium that up until now are regarded as benchmark catalysts in the water-splitting process. —Suryanto et al. —Suryanto et al. Suryanto et al.

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New low-cost and high-performance multinary intermetallic compound as active electrocatalyst for hydrogen production

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A team comprising scientists who specialize in structure materials at City University of Hong Kong (CityU) has developed a high-performance electrocatalyst based on an innovative concept originally for developing alloys. This schematic diagram shows the dealloying process from a dual-phase structure to a dendritic-like structure.

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Researchers develop free-standing nanowire mesh for direct solar water-splitting to produce H2; new design for “artificial leaf”

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The mesh with BiVO 4 nanowire photoanode for water oxidation and Rh-SrTiO 3 nanowire photocathode for water reduction produces hydrogen gas without an electron mediator. an “artificial leaf” to produce hydrogen—based on a nanowire mesh that lends itself to large-scale, low-cost production. Credit: ACS, Liu et al.

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MIT team outlines path to low-cost solar-to-fuels devices; the artificial leaf

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The new analysis follows up on 2011 research that produced a proof of concept of an artificial leaf—a small device that, when placed in a container of water and exposed to sunlight, would produce bubbles of hydrogen and oxygen. volts, is insufficient to power the water-splitting reaction, which needs more than 1.2

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