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      Universal quinone electrodes for long cycle life aqueous rechargeable batteries

      , , , , , ,
      Nature Materials
      Springer Nature

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          Abstract

          Aqueous rechargeable batteries are promising for grid storage and electric vehicles, but they suffer from poor cycle life due to anode instability. Exploiting stable ion-coordination charge storage and chemical inertness towards aqueous electrolytes, quinones are now reported as stable anodes.

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          Most cited references55

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          "Water-in-salt" electrolyte enables high-voltage aqueous lithium-ion chemistries.

          Lithium-ion batteries raise safety, environmental, and cost concerns, which mostly arise from their nonaqueous electrolytes. The use of aqueous alternatives is limited by their narrow electrochemical stability window (1.23 volts), which sets an intrinsic limit on the practical voltage and energy output. We report a highly concentrated aqueous electrolyte whose window was expanded to ~3.0 volts with the formation of an electrode-electrolyte interphase. A full lithium-ion battery of 2.3 volts using such an aqueous electrolyte was demonstrated to cycle up to 1000 times, with nearly 100% coulombic efficiency at both low (0.15 coulomb) and high (4.5 coulombs) discharge and charge rates.
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            Reversible aqueous zinc/manganese oxide energy storage from conversion reactions

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              A high-capacity and long-life aqueous rechargeable zinc battery using a metal oxide intercalation cathode

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                Author and article information

                Journal
                Nature Materials
                Nat Mater
                Springer Nature
                1476-1122
                1476-4660
                June 19 2017
                June 19 2017
                :
                :
                Article
                10.1038/nmat4919
                28628121
                e85e3e7e-7020-4ca3-a46c-1f20f6ce2e00
                © 2017
                History

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