Supersonically spray-coated zinc ferrite/graphitic-carbon nitride composite as a stable high-capacity anode material for lithium-ion batteries

Bhavana Joshi, Edmund Samuel, Tae Gun Kim, Chan Woo Park, Yong Il Kim, Mark T. Swihart, Wooyoung Yoon, Suk Goo Yoon

Research output: Contribution to journalReview article

2 Citations (Scopus)

Abstract

This manuscript reports the preparation, characterization, and testing of stable high-capacity lithium-ion battery anodes based on graphitic carbon nitride (g-CN) nanosheets hosting ZnFe2O4 nanoparticles (ZFCN). The ZFCN is prepared by a one-pot thermal process, then supersonic cold spraying is used to rapidly deposit films with a lamellar morphology that allows enhanced capacity retention by preventing particle agglomeration. The presence of g-CN nanosheets minimizes degradation of ZnFe2O4 by providing a buffering space during the lithiation/delithiation process. The ZFCN composite anodes exhibit first reversible capacities of 1550 mAh·g−1 at 50 mA·g−1 and up to 934 mAh·g−1 at 1000 mA·g−1 after 20 cycles. The superior electrochemical performance and capacity retention (88% after 160 cycles at 100 mA·g−1 relative to the first reversible capacity) are attributed to highly reversible alloying/conversion mechanisms. The combination of high performance and stability with the use of low-cost earth-abundant elements and scalable processing approaches gives this ZFCN composite immense potential for use as a stable high-performance anode material for lithium-ion batteries.

Original languageEnglish
Pages (from-to)525-534
Number of pages10
JournalJournal of Alloys and Compounds
Volume768
DOIs
Publication statusPublished - 2018 Nov 5

Fingerprint

Carbon nitride
Ferrite
Zinc
Anodes
Nanosheets
Composite materials
Spraying
Alloying
Deposits
Agglomeration
Earth (planet)
Nanoparticles
Degradation
Testing
Processing
Lithium-ion batteries
cyanogen
Costs

Keywords

  • Graphitic carbon nitride
  • Lithium-ion battery
  • Supersonic cold spraying
  • ZnFeO

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

Supersonically spray-coated zinc ferrite/graphitic-carbon nitride composite as a stable high-capacity anode material for lithium-ion batteries. / Joshi, Bhavana; Samuel, Edmund; Kim, Tae Gun; Park, Chan Woo; Kim, Yong Il; Swihart, Mark T.; Yoon, Wooyoung; Yoon, Suk Goo.

In: Journal of Alloys and Compounds, Vol. 768, 05.11.2018, p. 525-534.

Research output: Contribution to journalReview article

Joshi, Bhavana ; Samuel, Edmund ; Kim, Tae Gun ; Park, Chan Woo ; Kim, Yong Il ; Swihart, Mark T. ; Yoon, Wooyoung ; Yoon, Suk Goo. / Supersonically spray-coated zinc ferrite/graphitic-carbon nitride composite as a stable high-capacity anode material for lithium-ion batteries. In: Journal of Alloys and Compounds. 2018 ; Vol. 768. pp. 525-534.
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