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Showing posts with the label seawater

Chloride ions from seawater could replace lithium in batteries of the future

https://techxplore.com/news/2023-08-chloride-ions-seawater-lithium-batteries.html "redox... iron oxide (U.S. produces >15 MM tons/ yr. scrap iron waste not recycled, much as rust) and hydroxides... chloride ion insertion into Fe(OH)2 layered double hydroxide formed a Green Rust intermediate crystalline material, which assisted a one-charge transfer Fe(OH)2/FeOOH conversion reaction and improved cycling stability... . Therefore, the reported rechargeable alkaline iron battery chemistry helps repurpose the iron rust waste materials for modern energy storage" Related: Iron batteries offer an energy transition lesson https://ciphernews.com/articles/iron-batteries-offer-an-energy-transition-lesson/ WPI Researchers Unlock the “Silicate Magic” for Safer, Cheaper, and More Efficient Batteries https://www.wpi.edu/news/wpi-researchers-unlock-silicate-magic-safer-cheaper-and-more-efficient-batteries Upgraded anode moves seawater batteries step closer to primetime https://techxplore.c...

Removing lead or other heavy-metal contaminants from water in a process far more energy-efficient than any other currently in use

https://news.mit.edu/2021/removing-lead-water-electrodialysis-0922 "first such method that might be applicable for treating household water supplies, as well as industrial uses... uses a process called shock electrodialysis, in which an electric field is used to produce a shockwave inside an electrically charged porous material carrying the contaminated water... costs are mostly for the ongoing energy input, which is very small... We do have a reasonable idea of how to scale this up" Related: Zapping Untreated Water Gets Rid Of More Waterborne Viruses https://today.tamu.edu/2021/10/20/zapping-untreated-water-gets-rid-of-more-waterborne-viruses/ Microwave-assisted synthesis of biomass-derived N-doped carbon dots for metal ion sensing https://www.eurekalert.org/news-releases/1097204

UCF Researchers Develop New Nanomaterial to Derive Clean Fuel from the Sea

https://www.ucf.edu/news/ucf-researchers-develop-new-nanomaterial-to-derive-fuel-from-the-sea/ "thin-film material with nanostructures on the surface made of nickel selenide with added, or “doped,” iron and phosphor... researchers achieved high efficiency and long-term stability for more than 200 hours. The seawater electrolysis performance achieved by the dual-doped film far surpasses those of the most recently reported, state-of-the-art electrolysis catalysts and meets the demanding requirements needed for practical application in the industries"