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Titanium emerges as a vanadium alternative for redox flow batteries
A Japanese-Chinese team developed a titanium molten salt redox-flow battery using abundant titanium ions and molten salt electrolytes to enable high-voltage, fast, and stable grid-scale energy storage. The system demonstrates high efficiency of over 97%, strong cycling stability, and improved cost and scalability compared to vanadium-based batteries, with further optimization underway.
Spain completes testing of Europe’s largest research vanadium BESS
Spain’s Fundación Ciudad de la EnergÃa (Ciuden), a government energy research foundation, has completed operational testing of a 1 MW/8 MWh vanadium redox flow battery (VRFB) system at its Cubillos del Sil technology center, which it says is the largest vanadium flow battery in Europe dedicated to applied research.
New cost-saving copper welding technique for battery cells revealed by Fraunhofer
Resistance projection welding technique could unlock cost-effective copper interconnection potential. Described as a major opportunity for German battery manufacturers, the new approach to copper interconnections will now be used in commercial production.
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New standalone liquid air energy storage system concept beats conventional system with efficiency boost
Korean scientists have designed a liquid air energy storage (LAES) technology that reportedly overcomes the major limitation of LAES systems – their relatively low round-trip efficiency. The novel system enhances efficiency by increasing power output through the generation of thermal energy using natural gas as the external fuel during energy release.
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Testing to start on 100 MWh sand-based thermal battery in Finland
Finnish startup Polar Night Energy is building an industrial-scale thermal energy storage system in southern Finland. The 100-hour, sand-based storage system will use crushed soapstone, a by-product from a fireplace manufacturer, as its storage medium.
Hitachi achieves headway with first UK intercity battery train trial
The trial in the north of England has demonstrated that a 700 kW battery can enable quieter, zero-emission travel in and out of non-electrified stations. During the tests, a train was recorded operating solely in battery mode for 70km, a sufficient distance to cover bridges, tunnels, and stations.
New grid forming strategy for solar batteries
Scientists from a major Chinese grid operator have proposed to use an enhanced version of the particle swarm optimization algorithm to adjust inertia and damping coefficients in batteries linked to PV systems. Their approach was validated through a series of simulation and was found to enhance transient performance.
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Solid-state batteries enter pilot production, costs expected to drastically drop
The latest findings from Taipei-based intelligence provider TrendForce show that all-solid-state battery production volumes could have GWh levels by 2027. The rapid expansion will lead to cell price declines, reaching CNY 0.6-0.7/Wh ($0,084-$0,098) level by 2035.
Oct 31, 2024
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