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UH, Toyota researchers develop new cathode and electrolyte for high-power Mg battery rivaling Li-ion

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Magnesium batteries have long been considered a potentially safer and less expensive alternative to lithium-ion batteries, but previous versions have been severely limited in the power they delivered. Magnesium ions hold twice the charge of lithium, while having a similar ionic radius. —Dong et al.

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Stanford, CMU, MIT team reviews challenges to practical implementation of solid-state Li-ion batteries

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Solid-state lithium-ion batteries, with higher volumetric energy densities than currently available lithium-ion batteries, offer a number of conceptual advantages including improved packaging efficiency; improved safety; and long cycle life. —Kermana et al. Electrochem. 2016.30.

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Researchers report first direct observation of anionic redox in a lithium-rich battery material

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Conventional Li-ion batteries work by cationic redox, when a metal ion changes its oxidation state as lithium is inserted or removed. Within this insertion framework, only one lithium-ion can be stored per metal ion. Lithium-rich cathodes, however, can store much more. —Li et al.

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Amprius launches new high-capacity and high-energy-density Li-ion batteries with silicon nanowire anodes

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Amprius’ plan, outlined at the DOE Merit Review in 2012, is to start with consumer electronics and move to vehicle and grid storage markets. a developer of lithium-ion batteries using silicon nanowire anodes ( earlier post ), has launched the first generation of its high-capacity and high-energy-density Li-ion batteries.

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Researchers use tailored deep eutectic solvent to extract critical metals from mixed cathode materials

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The mixed cathode materials (LiFePO 4 :Li(NiCoMn) 1/3 O 2 mass ratio of 1:1) were processed under mild conditions(80 °C, 120 min) with a solid–liquid mass ratio of 1:200. Tsang (2023) “Selective Extraction of Critical Metals from Spent Lithium-Ion Batteries” Environmental Science & Technology doi: 10.1021/acs.est.2c07689

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Rice, Lawrence Livermore scientists characterize performance of carbon-based Li-ion battery anodes; simple descriptor

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Lithium-ion batteries could benefit from a theoretical model created at Rice University and Lawrence Livermore National Laboratory that predicts how carbon-based anodes will perform. The research appears in the journal Physical Review Letters. This work emphasizes the role of quantum capacitance. Yuanyue Liu, Y.

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Study finds recycling technologies for Li-ion batteries not keeping pace with rapid rise of EVs

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Recycling technologies for end-of-life lithium ion batteries (LIBs) are not keeping pace with the rapid rise of electric vehicles, setting up a potentially huge waste management problem for the future, according to a new study led by researchers at the University of Birmingham. Sommerville, R., Kendrick, E., Driscoll, L.,

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