Severe capacity fade in layered sodium oxide cathodes hinders their commercial feasibility in sodium batteries. Now, intrinsic lattice strain is unveiled as a new origin for their short cycle life, in addition to the common belief that phase transition or parasitic reactions are solely responsible.
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N.S.G. is currently employed by Energy Exploration Technologies Inc.
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Grundish, N.S. Strain-induced earthquake. Nat Energy 7, 306–307 (2022). https://doi.org/10.1038/s41560-022-01004-x
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DOI: https://doi.org/10.1038/s41560-022-01004-x
