A High-Rate and Ultrastable Sodium Ion Anode Based on a Novel Sn4P3-P at Graphene Nanocomposite

Yaolin Xu, Bo Peng, Fokko M. Mulder

Research output: Contribution to journalArticleScientificpeer-review

68 Citations (Scopus)

Abstract

Phosphorus and tin phosphide based materials that are extensively researched as the anode for Na-ion batteries mostly involve complexly synthesized and sophisticated nanocomposites limiting their commercial viability. This work reports a Sn4P3-P (Sn:P = 1:3) at graphene nanocomposite synthesized with a novel and facile mechanochemical method, which exhibits unrivalled high-rate capacity retentions of >550 and 371 mA h g-1 at 1 and 2 A g-1, respectively, over 1000 cycles and achieves excellent rate capability (>815, ≈585 and ≈315 mA h g-1 at 0.1, 2, and 10 A g-1, respectively).

Original languageEnglish
Article number1701847
Number of pages7
JournalAdvanced Energy Materials
Volume8 (2018)
Issue number3
DOIs
Publication statusPublished - Sep 2017

Keywords

  • Na-ion batteries
  • Nanocomposites
  • Phosphorus
  • Tin phosphide

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