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Li-metal batteries

Upshifting potentials to increase reversibility

Nature Energy volume 7, pages 1126–1127 (2022)Cite this article

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One of the biggest hurdles to realise high-performance Li-metal batteries is the instability of Li metal towards all relevant electrolytes. Now, an approach is reported to improve Li cells’ stability by upshifting the Li electrodes’ potential to reduce their voltage gap with the electrolyte electrochemical stability windows.

It is important to develop rechargeable batteries with Li-metal anodes because Batteries that use Li-metal anodes can provide the highest energy density among all possible candidates, thanks to their high specific capacity and low redox potential. However, because of the high reactivity of Li anodes with all electrolyte systems relevant to batteries, they are not stable and safe during cycling under practical conditions1. It is therefore important to improve their reversibility and to find ways to reduce their reactivity toward electrolytes.

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Fig. 1: Pushing up the potential of Li electrodes to increase their cycling efficiency.

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Authors and Affiliations

  1. Department of Chemistry, Bar-Ilan University, Ramat-Gan, Israel

    Doron Aurbach, Mikhael Levi & Netanel Shpigel

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  1. Doron Aurbach
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  2. Mikhael Levi
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  3. Netanel Shpigel
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Correspondence to Doron Aurbach.

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The author declares no competing interests.

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Aurbach, D., Levi, M. & Shpigel, N. Upshifting potentials to increase reversibility. Nat Energy 7, 1126–1127 (2022). https://doi.org/10.1038/s41560-022-01171-x

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