RedoxBlox: scalable thermochemical energy storage for renewable energy

https://www.pv-magazine.com/2024/01/12/scalable-thermochemical-energy-storage-for-renewable-energy/

"replace natural gas heating for cement, steel, food and beverage, refining and chemicals manufacturing, and lowest-cost, long duration grid-scale storage... energy density on par with lithium-ion... storage temperatures up to 1,500°C triggering reaction releasing oxygen storing heat, fully charged <4 hours... non-toxic, non-flammable, recyclable... reverse reaction: air and metal oxide consumes oxygen heating air as heat or turbine generated electricity... proprietary, abundant metal oxide redox material energy density 2,500 MJ/m3"

Related:

EVE Energy's Mr. Flagship Series Long-duration Lithium Battery Energy Storage
https://finance.yahoo.com/news/creating-benchmark-long-duration-lithium-054400570.html?guccounter=1

Sion Power Secures Major Funding for Breakthrough Licerion EV Battery Tech
https://ts2.space/en/sion-power-secures-major-funding-for-breakthrough-licerion-ev-battery-tech/#gsc.tab=0

Rimac Energy’s Class-Leading SineStack Battery Energy Storage System Commissioned and Ready for Deployment at a Site in Colchester, UK
https://www.nacleanenergy.com/energy-storage/rimac-energy-s-class-leading-sinestack-battery-energy-storage-system-commissioned-and-ready-for-deployment-at-a-site-in-colchester-uk

Fluence launches highly-modular 7.5 MWh AC-based BESS platform
https://www.ess-news.com/2025/02/14/fluence-launches-highly-modular-7-5-mwh-ac-based-bess-platform/ see also: Fluence just took a big step to make grid batteries truly American https://electrek.co/2025/05/21/fluence-just-took-a-big-step-to-make-grid-batteries-truly-american/

Sungrow PowerTitan 3.0+ with 684Ah stacking large battery cell, up to 12.5MW/50MWh per AC block: World's largest power density BESS with over 500kWh per square meter
https://www.altenergymag.com/story/2025/06/sungrow-releases-the-groundbreaking-powertitan-30-energy-storage-system-platform/45497/ see also: Sungrow launches PowerTitan 3.0 energy storage system at MEA PV & ESS Summit https://solarquarter.com/2025/08/25/sungrow-launches-powertitan-3-0-energy-storage-system-at-mea-pv-ess-summit/

BYD unveils world’s largest 14.5 MWh DC energy storage system
https://www.ess-news.com/2025/09/19/byd-unveils-worlds-largest-14-5-mwh-dc-energy-storage-system/

Peak Energy's passively cooled sodium-ion system enables lowest cost of ownership for grid storage
https://www.altenergymag.com/news/2025/09/25/peak-energy-deploys-lowest-cost-energy-storage-solution-in-response-to-energy-affordability-crisis/46148

Relectrify’s AC1 BESS controls each battery cell to directly produce AC power, reducing battery degradation and delivering 20% more energy over its lifetime
https://arena.gov.au/news/arena-backs-world-first-battery-storage-technology/