Sodium-sulfur battery's dendrite problems solved enabling stable performance over 300 charge-discharge cycles
"diluting a concentrated salt solution with an inert, nonparticipating solvent, which preserves the half-dissolved state. The researchers found that such an electrolyte prevents the unwanted reactions at the electrodes and thus prolongs the life of the battery... environmentally benign... room-temperature... cheaper and more widely available than materials such as lithium and cobalt"
Related:
Sodium-based material yields stable alternative to lithium-ion batteries
https://techxplore.com/news/2021-12-sodium-based-material-yields-stable-alternative.html
Enlighten Innovations Inc. announces Construction of Commercial Scale, Long-Duration Battery Module
https://www.prnewswire.com/news-releases/enlighten-innovations-inc-announces-construction-of-commercial-scale-long-duration-battery-module-301412929.html"rated at several hundred KWh, is now under construction with planned operation in the first half of 2022... demonstration module... using commercial-scale cells... will allow us to finalize our design parameters and move into volume production mode rapidly... patented technology... from intra-day energy shifting to durations approaching seasonal storage" Company website: https://enlighteninc.com/energy-storage/ "NaSICON uses a catholyte that contains sodium and sulfur ions dissolved in a solvent. During the charging cycle, a potential is applied to transfer sodium ions across the NaSICON separator, converting sodium ions into liquid sodium. During the discharge cycle, liquid sodium is simply converted back to sodium ions... Enlighten’s LCOE and LCOS are 48% and 55% lower than lithium-ion solutions respectively... easily scaled, increasing energy storage duration by simply adding low cost electrolyte with minimal land expansion... locally sourced materials and easily disassembled, recycled, and reused. The sodium and sulfur chemistry is based on readily available commodity chemicals and no rare earth minerals are required... Inherently safe module design"
Sulphur chemical technology improves battery lifespans
https://techxplore.com/news/2021-12-sulphur-chemical-technology-battery-lifespans.html
Breakthrough in Cathode Chemistry Clears Path for Lithium-Sulfur Batteries' Commercial Viability
https://drexel.edu/now/archive/2022/February/lithium-sulfur-cathode-carbonate-electrolyte/
A 4,000 cycle lithium-sulfur battery
https://www.pv-magazine.com/2022/02/11/a-4000-cycle-lithium-sulfur-battery/\
Why This Accidental Battery Breakthrough Matters
https://www.youtube.com/watch?v=tHRoefpqMaM&t=28s
Scientists Present a Revolutionary Sodium-Sulfur Battery https://www.azom.com/article.aspx?ArticleID=2226 300% More Capacity: New Battery Technology Could Significantly Lower Energy Storage Costs https://portallubes.com.br/2022/12/sodium-sulfur-battery-outperforms-lithium/ ‘Significant breakthrough’: This new sea salt battery has 4 times the capacity of lithium https://iadnews.in/significant-breakthrough-this-new-sea-salt-battery-has-4-times-the-capacity-of-lithium/
BioLargo Acquires Rights to Sodium-Sulfur Battery Energy Storage Technology
https://www.accesswire.com/745046/BioLargo-Acquires-Rights-to-Sodium-Sulfur-Battery-Energy-Stor
Lithium-sulphur: 4K charge cycles without capacity reduction, 2X lifespan, 3X more energy-dense, 1/3 weight of lithium-ion
https://www.impactlab.com/2023/08/28/serendipitous-breakthrough-lithium-sulfur-batteries-poised-to-revolutionize-clean-energy/
Researchers improve performance of all-solid-state lithium-sulfur batteries
https://techxplore.com/news/2023-08-all-solid-state-lithium-sulfur-batteries.html
Lithium sulfur and graphene aluminum ion batteries
https://eightify.app/summary/electric-vehicles/revolutionizing-energy-storage-breakthroughs-in-battery-tech-revealed-by-elon-musk
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