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Argonne researchers find cathode material synthesis a key reason for performance degradation of sodium-ion batteries

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One of the more promising candidates for batteries beyond the current standard of lithium-ion materials is the sodium-ion (Na-ion) battery. Na-ion is particularly attractive because of the greater abundance and lower cost of sodium compared with lithium. In addition, when cycled at high voltage (4.5

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Chalmers team develops graphite-like anode for Na-ion batteries; Janus graphene

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Researchers at Chalmers University of Technology, Sweden, have developed a nanometric graphite-like anode for sodium ion (Na + storage), formed by stacked graphene sheets functionalized only on one side, termed Janus graphene. The estimated sodium storage up to C 6.9 Na is comparable to graphite for standard lithium ion batteries.

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CATL launches “condensed battery” with an energy density of up to 500 Wh/kg for aircraft; automotive version this year

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At Auto Shanghai, Chinese battery giant CATL launched what it calls a “condensed battery”—a type of semi-solid state cell with an energy density of up to 500 Wh/kg. CATL also says it can achieve mass production of condensed battery in a short period of time.

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ARPA-E awards $42M to 12 projects for advanced EV batteries; EVs4ALL program

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The US Department of Energy (DOE) will award $42 million to 12 projects to strengthen the domestic supply chain for advanced batteries that power electric vehicles (EVs). Project K is developing and commercializing a potassium-ion battery, which operates similarly to Li-ion batteries. Award amount: $3,198,085).

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ARPA-E awarding $24M to two SCALEUP projects: battery technology and methane detection

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These SCALEUP “Fast-Track” teams, Natron Energy and Bridger Photonics, will receive $19 million and $5 million, respectively, to further their commercialization efforts in sodium-ion battery development and methane detection technologies, respectively. Natron Energy: Domestic Manufacturing of Sodium-Ion Batteries - $19,883,951.

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Testing shows Talga graphene silicon boosts capacity of Li-ion battery anode; Safevolt project

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Under Safevolt, Talga is developing a high energy graphene silicon anode product, termed Talnode-Si, targeting significantly higher capacity than state of the art commercial graphite anodes. However, silicon experiences drastic volume change during charge and discharge cycles, causing sharply shorter battery life and/or failure.

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Researchers improve the performance of sodium-ion batteries by using tailored carbon anodes with hierarchical porosity

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Researchers at Justus Liebig University, Giessen, Germany, have improved the performance of sodium-ion batteries ( earlier post ) by using tailor-made carbon materials with hierarchical porosity for the anode instead of common carbon-based anode materials. Wenzel et al. Click to enlarge. Wenzel et al. Energy Environ.

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