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Batteries: Widening voltage windows


The energy output of aqueous batteries is largely limited by the narrow voltage window of their electrolytes. Now, a hydrate melt consisting of lithium salts is shown to expand such voltage windows, leading to a high-energy aqueous battery.

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Figure 1: Electrochemical stability windows of aqueous electrolytes and redox potentials of electrode materials.


  1. 1

    Kim, H., Hong, J. & Park, K. Y. Chem. Rev. 114, 11788–11827 (2014).

    Article  Google Scholar 

  2. 2

    Xu, K. Chem. Rev. 114, 11503–11618 (2014).

    Article  Google Scholar 

  3. 3

    Suo, L., Borodin, O. & Gao, T. et al. Science 350, 938–943 (2015).

    Article  Google Scholar 

  4. 4

    Yamada, Y. et al. Nat. Energy 1, 16129 (2016).

    Article  Google Scholar 

  5. 5

    Ozawa, K. Solid State Ionics 69, 212–221 (1994).

    Article  Google Scholar 

  6. 6

    Suo, L. et al. Angew. Chem. 128, 7252–7257 (2016).

    Article  Google Scholar 

Download references

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Correspondence to Kang Xu or Chunsheng Wang.

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Xu, K., Wang, C. Batteries: Widening voltage windows. Nat Energy 1, 16161 (2016).

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