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Study discovers topological protection mechanism in cathode materials for sodium-ion batteries

 Last Update: 2022-02-21
 Source: Internet
 Author: User

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With the growing demand for renewable energy storage, the research and development of low-cost, environmentally friendly, safe, and high-energy-density Li-ion and Na-ion batteries is becoming more and more important

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In view of this, researchers from the Institute of Physics, Chinese Academy of Sciences/Beijing National Research Center for Condensed Matter Physics have proposed a topological protection mechanism to promote the redox of lattice oxygen, and the P3-NLMO cathode based on this mechanism exhibits good performance in sodium half cells.

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The related results were recently published in Nature Sustainability under the title Topologically protected oxygen redox in a layered manganese oxide cathode for sustainable batteries

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Figure 3 Evolution of the ODT structure during cycling for _P2- and P3 _-_NaxLi0.

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Figure 5 Topological order}}}

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