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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.

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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.

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

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To explore the use of EEMPA in converting CO 2 to methane, Kothandaraman and her fellow authors studied the reaction’s molecular underpinnings, then assessed the cost of running the process at scale in a 550-megawatt power plant. Traditionally, CO 2 is stripped from water-rich solvents and sent off site to be converted or stored underground.

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

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The low cost of porous melamine means that the material could be deployed widely. But this requires large amounts of energy to release the carbon dioxide once it’s bound to the amines, so that it can be concentrated and stored underground.

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DOE awards $56M to 21 concentrating solar power projects; $8M for reducing soft costs of rooftop PV systems

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DOE also announced the “America’s Most Affordable Rooftop Solar” competition to aggressively drive down the cost of rooftop solar energy system as well as $8 million in awards to nine small businesses to lower the cost of financing, permitting, and other “soft costs,” which can amount to nearly half the cost of residential solar systems.

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RAL proposes new efficient and low-cost process to crack ammonia for hydrogen using sodium amide; transportation applications

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Furthermore, it has an existing extensive distribution network and is easily stored by liquefaction at moderate pressure (ca. The material costs, however, are very significantly less, the team observed. 10 bar at room temperature).

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Researchers propose new aluminum–sulfur battery with molten-salt electrolyte; low-cost, rechargeable, fire-resistant, recyclable

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Importantly for scalability, the cell-level cost of the aluminum–sulfur battery is projected to be less than one-sixth that of current lithium-ion technologies. Having a battery system such as this to store power and then release it quickly when needed could eliminate the need for installing expensive new power lines to serve these chargers.