4.7 Article

Sodium citrate as a self-sacrificial sodium compensation additive for sodium-ion batteries†

Journal

CHEMICAL COMMUNICATIONS
Volume 57, Issue 35, Pages 4243-4246

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cc01292d

Keywords

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Funding

  1. National Natural Science Foundation of China [21905306, 21975289]
  2. National Key RAMP
  3. D Program of China [2018YFB1502500]
  4. Hunan Province Natural Science Foundation [2020JJ5694]
  5. Hunan Provincial Science and Technology Plan Project of China [2017TP1001, 2018RS3009, 2020JJ2042]
  6. Fundamental Research Funds for Central Universities of the Central South University [2020zzts060]

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Commercial sodium citrate is proposed as a self-sacrificial cathode additive for the first time to offset initial sodium loss, resulting in a 28.9% increase in the energy density of the constructed battery without compromising other electrochemical properties. This demonstrates promising application prospects in sodium ion batteries.
Commercial sodium citrate is proposed as the self-sacrificial cathode additive for the first time to offset the initial sodium loss. The optimum additive can obviously increase the energy density of the as-constructed hard carbon//Na3V2(PO4)(2)F-3/rGO full-cell by 28.9% without sacrificing its other electrochemical properties, showing promising application prospects in sodium ion batteries.

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