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Siemens Gamesa and Siemens Energy investing €120M over 5 years to develop fully integrated offshore wind-to-hydrogen system

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Siemens Gamesa and Siemens Energy are joining forces to develop an innovative solution that fully integrates an electrolyzer into an offshore wind turbine as a single synchronized system to produce green hydrogen directly. It is a prime example of enabling us to store and transport wind energy, thus reducing the carbon footprint of economy.

Wind 417
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Study finds direct seawater splitting has substantial drawbacks to conventional water splitting, offers almost no advantage

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For the implementation of a sustainable energy economy, the greatest challenge is the weather-depending, fluctuating electricity production of wind and solar power plants. To store the green electricity in a highly scalable way, it must be converted into chemical energy. Energy Environ. doi: 10.1039/D0EE03659E.

Water 497
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Researchers demonstrate efficient electrochemical reduction of CO2 to C2+ alcohols

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Here, we demonstrated a rational strategy to synthesize the Cu catalyst under a CO-rich environment to induce the growth of defect-rich sites that are best for the adsorption of CO. A and B) Cu-DS catalyst synthesized under a CO-rich environment favors high coverage of *CO intermediate and promotes alcohol production. (D

CO2 434
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Chartwell secures £320k Innovate UK Smart Grant to develop methanol-fueled vessel design

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The grant will enable Chartwell and consortium partners—Boat Electric & Electronics and Engineered Marine Systems—to develop and test the feasibility of a market-first methanol-fuelled vessel design, with applications in the offshore wind, commercial workboat and leisure sectors.

Grant 273
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MIT researchers propose subsea version of pumped hydro for renewable energy storage

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Researchers at MIT are proposing using a variation on pumped hydroelectric systems for storage of electricity produced by offshore wind farms. The key to this Ocean Renewable Energy Storage (ORES) system is the placement of 30-meter-diameter hollow concrete spheres on the seafloor under the wind turbines. Earlier post.).

MIT 296
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Opinion: Reinventing fuel-based power for a more secure and resilient grid

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It is, however, a challenge that is being made all the greater as we continue to decentralize power generation with more distributed, variable and inflexible sources, such as wind and solar. Increasingly, wind and solar are replacing fossil fuels as our principle source of energy. 100% wind and solar is not feasible on its own.

Grid 332
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Stanford study quantifies energetic costs of grid-scale energy storage over time; current batteries the worst performers; the need to improve cycle life by 3-10x

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Using a new metric—“Energy Stored on Invested, ESOI”—they concluded that batteries were the worst performers, while compressed air energy storage (CAES) performed the best, followed by pumped hydro storage (PHS). Their results are published in the RSC journal Energy & Environmental Science. —Charles Barnhart.