Mechanistic insights into sodium storage in hard carbon anodes using local structure probes

Joshua M. Stratford, Phoebe K. Allan, Oliver Pecher, Philip A. Chater, Clare P. Grey*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

112 Citations (Scopus)

Abstract

Operando23Na solid-state NMR and pair distribution function analysis experiments provide insights into the structure of hard carbon anodes in sodium-ion batteries. Capacity results from "diamagnetic" sodium ions first adsorbing onto pore surfaces, defects and between expanded layers, before pooling into larger quasi-metallic clusters/expanded carbon sheets at lower voltages.

Original languageEnglish
Pages (from-to)12430-12433
Number of pages4
JournalChemical Communications
Volume52
Issue number84
DOIs
Publication statusPublished - 22 Sept 2016

ASJC Scopus subject areas

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • General Chemistry
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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