A battery is a device that stores energy in chemical form and can convert it into electric energy through electrochemical reactions.


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News and Comment

  • News and Views |

    Using cheap organic material as the cathode and abundant sodium as the charge carrier is attractive for sustainable battery technologies. Now, highly reversible four-sodium storage in a nano-sized disodium rhodizonate organic cathode is achieved.

    • Laifa Shen
    •  & Yan Yu
    Nature Energy 2, 836–837
  • News and Views |

    Confining sulfur in high-surface-area carbon is a widely adapted approach in Li–S batteries, but it often results in low sulfur utilization and low energy density. Now, controlled nucleation of discrete Li2S particles on a network of low-surface-area carbon fibres provides a possible solution to the endemic problems of Li–S batteries.

    • Yang-Kook Sun
    •  & Chong Seung Yoon
    Nature Energy 2, 768–769
  • News and Views |

    The utilization of porous carbon cathodes in lithium–air batteries is hindered by their severe decomposition during battery cycling. Now, dual redox mediators are shown to decouple the complex electrochemical reactions at the cathode, avoiding cathode passivation and decomposition.

    • Ji-Jing Xu
    •  & Xin-Bo Zhang
    Nature Energy 2, 17133