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. https://scitechdaily.com/post-lithium-technology-high-energy-density-next-generation-rechargeable-batteries/
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POST-LITHIUM TECHNOLOGY: HIGH-ENERGY-DENSITY NEXT-GENERATION RECHARGEABLE BATTERIES
Next-generation batteries will probably see the replacement of lithium ions by more abundant and environmentally benign alkali metal or multivalent ions. A major challenge, however, is the development of stable electrodes that combine high energy densities with fast charge and discharge rates. In the journal Angewandte Chemie, US and Chinese scientists report a high-performance cathode made of an organic polymer to be used in low-cost, environmentally benign, and durable sodium-ion batteries. WILEY READ MORE