α-Fe2O3 anchored on porous N doped carbon derived from green microalgae via spray pyrolysis as anode materials for lithium ion batteries

Ki Min Kwon, In Gyeom Kim, Kwan Young Lee, Hansung Kim, Mun Sek Kim, Won Il Cho, Jaeyoung Choi, In Wook Nah

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The α-Fe2O3@nitrogen doped carbon (as donated α-Fe2O3@NC) composites derived from green microalgae was synthesized using one-pot spray pyrolysis, which showed a high discharge capacity of 1281.5 mAh g−1 at 100 mA g−1 as anode materials for lithium ion storage. They also provided good rate performance in a range of 200 mA g−1–1000 mA g−1, and maintained a capacity of 92% after 100 cycles at 200 mA g−1. It demonstrated not only improved electrical conductivity but also effective prevention of the volume expansion of iron oxide during battery charge/discharge by uniformly forming iron oxide nanoparticles on microalgae via spray pyrolysis.

Original languageEnglish
Pages (from-to)39-47
Number of pages9
JournalJournal of Industrial and Engineering Chemistry
Volume69
DOIs
Publication statusPublished - 2019 Jan 25
Externally publishedYes

Fingerprint

Spray pyrolysis
Iron oxides
Anodes
Carbon
Lithium
Nitrogen
Ions
Nanoparticles
Composite materials
Lithium-ion batteries
ferric oxide
Electric Conductivity

Keywords

  • Anode materials
  • Green microalgae
  • Lithium ion battery
  • Nitrogen doped carbon
  • Spray pyrolysis

ASJC Scopus subject areas

  • Chemical Engineering(all)

Cite this

α-Fe2O3 anchored on porous N doped carbon derived from green microalgae via spray pyrolysis as anode materials for lithium ion batteries. / Kwon, Ki Min; Kim, In Gyeom; Lee, Kwan Young; Kim, Hansung; Kim, Mun Sek; Cho, Won Il; Choi, Jaeyoung; Nah, In Wook.

In: Journal of Industrial and Engineering Chemistry, Vol. 69, 25.01.2019, p. 39-47.

Research output: Contribution to journalArticle

Kwon, Ki Min ; Kim, In Gyeom ; Lee, Kwan Young ; Kim, Hansung ; Kim, Mun Sek ; Cho, Won Il ; Choi, Jaeyoung ; Nah, In Wook. / α-Fe2O3 anchored on porous N doped carbon derived from green microalgae via spray pyrolysis as anode materials for lithium ion batteries. In: Journal of Industrial and Engineering Chemistry. 2019 ; Vol. 69. pp. 39-47.
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AU - Kim, In Gyeom

AU - Lee, Kwan Young

AU - Kim, Hansung

AU - Kim, Mun Sek

AU - Cho, Won Il

AU - Choi, Jaeyoung

AU - Nah, In Wook

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