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ENERGY STORAGE

Confined water controls capacitance

By using a battery of experimental and theoretical methods, it is shown that ion intercalation into the electrode material birnessite is mediated by structural water.

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Fig. 1: How electrochemical processes are affected by ion intercalation.

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Correspondence to Patrice Simon or Yury Gogotsi.

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Simon, P., Gogotsi, Y. Confined water controls capacitance. Nat. Mater. 20, 1597–1598 (2021). https://doi.org/10.1038/s41563-021-01155-4

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