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Exeter team develops low-cost photoelectrode for spontaneous water-splitting using sunlight

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The nanostructured photoelectrode results in spontaneous hydrogen evolution from water without any external bias applied with a faradaic efficiency of 30% and excellent stability. The researchers believe this new type of photoelectrode is not only cheap to produce, but can also be recreated on a larger scale for mass and worldwide use.

Water 342
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Researchers use melamine to create effective, low-cost carbon capture; potential tailpipe application

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Using an inexpensive polymer called melamine, researchers from UC Berkeley, Texas A&M and Stanford have created a cheap, easy and energy-efficient way to capture carbon dioxide from smokestacks. The low cost of porous melamine means that the material could be deployed widely.

Low Cost 243
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Efficient recovery of lithium from spent LiFePO4 batteries via air oxidation–water leaching at room temperature

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Researchers in China report using air oxidation–water leaching to recover lithium selectively from spent LiFePO 4 (LFP) material, in which the high leaching efficiency of lithium and the good separation effect of lithium and iron were achieved simultaneously. An open-access paper on their work is published in the RSC journal Green Chemistry.

Water 186
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Penn State, FSU team develops low-cost, efficient layered heterostructure catalyst for water-splitting

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A team of scientists from Penn State and Florida State University have developed a lower cost and industrially scalable catalyst consisting of synthesized stacked graphene and W x Mo 1–x S 2 alloy phases that produces pure hydrogen through a low-energy water-splitting process.

Low Cost 170
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BNL Researchers develop low-cost, efficient, non-noble metal electrocatalyst to produce hydrogen from water

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James Muckerman at the US Department of Energy’s (DOE) Brookhaven National Laboratory (BNL) have developed a new class of high-activity, low-cost, non-noble metal electrocatalyst that generates hydrogen gas from water. The result becomes this well-balanced Goldilocks compound—just right. —James Muckerman.

Low Cost 281
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Cheap Sensors for Smarter Farmers

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One of the benefits of using print electronics is being able to mass-produce at a low cost, says Gregory Whiting at the University of Colorado, Boulder, one of the principal investigators of the team working on the sensors. Each wireless sensor node is used for non-contact water stress detection in plants.

Cheap 145
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Bio-inspired molybdenum sulfide catalyst offers low-cost and efficient photo-electrochemical water splitting to produce hydrogen

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The optimized photo-electrochemical water splitting device uses light absorbers made of silicon arranged in closely packed pillars, dotted with tiny clusters of the new molybdenum sulfide catalyst. An alternative, clean method is to make hydrogen fuel from sunlight and water via a photo-electrochemical (PEC, or water-splitting) process.

Water 332