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Heliogen and Bloom Energy demonstrate production of low-cost green hydrogen; concentrated solar and high-temp electrolysis

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When combined with Bloom’s proprietary solid oxide, high-temperature electrolyzer, hydrogen can be produced 45% more efficiently than low-temperature PEM and alkaline electrolyzers. Electricity accounts for nearly 80% of the cost of hydrogen from electrolysis. Source: Heliogen. Source: Heliogen.

Low Cost 397
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PNNL team develops new low-cost method to convert captured CO2 to methane

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Earlier this year, PNNL researchers revealed that using EEMPA in power plants could slash the price of carbon capture to 19% lower than standard industry costs—the lowest documented price of carbon capture. However, most processes rely on high temperatures and are often too expensive for widespread commercial use.

Low Cost 315
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Zeem launches first commercial electric vehicle Transportation-As-A-Service depot

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Fleet electrification provider Zeem Solutions has opened its first commercial EV transportation-as-a-service depot in Inglewood, California, near Los Angeles International Airport (LAX). Zeem works with local utilities and renewable energy providers to ensure vehicles are charged using clean, reliable and low-cost energy.

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Harvard team demonstrates new metal-free organic–inorganic aqueous flow battery; potential breakthrough for low-cost grid-scale storage

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Quinones are naturally abundant, inexpensive, small organic molecules, and similar to molecules that store energy in plants and animals. The technology could fundamentally transform the way electricity is stored on the grid, making power from renewable energy sources such as wind and sun far more economical and reliable. Background.

Low Cost 374
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Cummins invests $24M in flow battery leader VoltStorage

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VoltStorage develops and produces commercial storage systems based on the particularly ecological vanadium redox flow technology for commercial and agricultural enterprises. In addition, product development of the iron-salt technology will be accelerated towards commercialization. The electrolyte is enriched with iron chloride.

Batteries 467
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SwRI, UTSA researchers show biochar is low-cost, effective method to treat fracking water

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Once the water is used, the flowback, or wastewater, must be treated to remove hazardous chemicals before it is stored, reused or disposed, which can be a costly endeavor. Currently, biochar is used commercially to improve soil quality by helping soils retain nutrients and water. —Zhigang Feng, USTA.

Water 257
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Swiss team develops effective and low-cost solar water-splitting device; 14.2% solar-to-hydrogen efficiency

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The method, which surpasses previous efforts in terms of stability, performance, lifespan and cost efficiency, is published in the Journal of The Electrochemical Society. The gases can then be collected and stored in their pure form. The device has already been run for more than 100 hours straight under test conditions.

Solar 150