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PNNL team develops sodium-manganese oxide electrodes for sodium-ion rechargeable batteries

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low-cost Na-ion battery system for upcoming power and energy. low-cost Na-ion battery system for upcoming power and energy. To connect intermittent renewable energy sources (i.e., Lithium-ion rechargeable batteries perform well, but are too expensive for widespread use on the grid. Earlier post.)

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OSU smart membrane could enable new category of high-energy, high-power energy storage for EVs

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Applying an electrical potential to the conducting polymer membrane alters the redox state, allows it to conduct ions across the membrane. The team reported a maximum conductance of 30 µS cm -1 and a current gain of 60x as the polymer switches between oxidized and reduced states. Travis Herya and Sundaresan (2016).