Kirkendall Growth of Hollow Mn3O4 Nanoparticles upon Galvanic Reaction of MnO with Cu2+ and Evaluation as Anode for Lithium-Ion Batteries

Shelton J.P. Varapragasam, Choumini Balasanthiran, Ashim Gurung, Qiquan Qiao, Robert Martin Rioux, Jr., James D. Hoefelmeyer

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

We report the formation of high surface area hollow Mn3O4 nanoparticles that form as a result of the galvanic reaction of Cu2+ with MnO nanocrystals concomitant with a nanoscale Kirkendall effect. The MnO nanocrystals were prepared according to the ultralarge scale synthesis reported by Hyeon, which allowed the preparation of hollow Mn3O4 in multigram quantities. Ex-situ analyses with transmission electron microscopy and powder X-ray diffraction show the morphology and phase stability of the hollow particles correlate with DSC-TGA data and show collapse of the hollow particles at temperatures greater than 200 °C. Electrodes fabricated from hollow Mn3O4 exhibited excellent initial Li ion storage capability (initial discharge capacity = 1324 mAh/g) but poor cycling performance (97% loss of discharge capacity after 10th cycle), whereas Mn3O4-MWCNT electrodes exhibited good reversibility and discharge capacity of 760 mAh/g after 100 cycles.

Original languageEnglish (US)
Pages (from-to)11089-11099
Number of pages11
JournalJournal of Physical Chemistry C
Volume121
Issue number21
DOIs
StatePublished - Jun 1 2017

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Nanocrystals
electric batteries
hollow
Anodes
anodes
lithium
Nanoparticles
nanoparticles
Electrodes
Phase stability
evaluation
X ray powder diffraction
ions
cycles
Transmission electron microscopy
nanocrystals
Kirkendall effect
Ions
ion storage
electrodes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films

Cite this

Varapragasam, Shelton J.P. ; Balasanthiran, Choumini ; Gurung, Ashim ; Qiao, Qiquan ; Rioux, Jr., Robert Martin ; Hoefelmeyer, James D. / Kirkendall Growth of Hollow Mn3O4 Nanoparticles upon Galvanic Reaction of MnO with Cu2+ and Evaluation as Anode for Lithium-Ion Batteries. In: Journal of Physical Chemistry C. 2017 ; Vol. 121, No. 21. pp. 11089-11099.
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abstract = "We report the formation of high surface area hollow Mn3O4 nanoparticles that form as a result of the galvanic reaction of Cu2+ with MnO nanocrystals concomitant with a nanoscale Kirkendall effect. The MnO nanocrystals were prepared according to the ultralarge scale synthesis reported by Hyeon, which allowed the preparation of hollow Mn3O4 in multigram quantities. Ex-situ analyses with transmission electron microscopy and powder X-ray diffraction show the morphology and phase stability of the hollow particles correlate with DSC-TGA data and show collapse of the hollow particles at temperatures greater than 200 °C. Electrodes fabricated from hollow Mn3O4 exhibited excellent initial Li ion storage capability (initial discharge capacity = 1324 mAh/g) but poor cycling performance (97{\%} loss of discharge capacity after 10th cycle), whereas Mn3O4-MWCNT electrodes exhibited good reversibility and discharge capacity of 760 mAh/g after 100 cycles.",
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Kirkendall Growth of Hollow Mn3O4 Nanoparticles upon Galvanic Reaction of MnO with Cu2+ and Evaluation as Anode for Lithium-Ion Batteries. / Varapragasam, Shelton J.P.; Balasanthiran, Choumini; Gurung, Ashim; Qiao, Qiquan; Rioux, Jr., Robert Martin; Hoefelmeyer, James D.

In: Journal of Physical Chemistry C, Vol. 121, No. 21, 01.06.2017, p. 11089-11099.

Research output: Contribution to journalArticle

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AU - Varapragasam, Shelton J.P.

AU - Balasanthiran, Choumini

AU - Gurung, Ashim

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AU - Rioux, Jr., Robert Martin

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AB - We report the formation of high surface area hollow Mn3O4 nanoparticles that form as a result of the galvanic reaction of Cu2+ with MnO nanocrystals concomitant with a nanoscale Kirkendall effect. The MnO nanocrystals were prepared according to the ultralarge scale synthesis reported by Hyeon, which allowed the preparation of hollow Mn3O4 in multigram quantities. Ex-situ analyses with transmission electron microscopy and powder X-ray diffraction show the morphology and phase stability of the hollow particles correlate with DSC-TGA data and show collapse of the hollow particles at temperatures greater than 200 °C. Electrodes fabricated from hollow Mn3O4 exhibited excellent initial Li ion storage capability (initial discharge capacity = 1324 mAh/g) but poor cycling performance (97% loss of discharge capacity after 10th cycle), whereas Mn3O4-MWCNT electrodes exhibited good reversibility and discharge capacity of 760 mAh/g after 100 cycles.

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