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Strain-induced earthquake


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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Fig. 1: Capacity fade mechanisms in batteries with a layered sodium oxide cathode.


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Correspondence to Nicholas S. Grundish.

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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).

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