Comprehensive Enhancement of Nanostructured Lithium-Ion Battery Cathode Materials via Conformal Graphene Dispersion

Kan Sheng Chen, Rui Xu, Norman S. Luu, Ethan B. Secor, Koichi Hamamoto, Qianqian Li, Soo Kim, Vinod K. Sangwan, Itamar Balla, Linda M. Guiney, Jung Woo T. Seo, Xiankai Yu, Weiwei Liu, Jinsong Wu, Chris Wolverton, Vinayak P. Dravid, Scott A. Barnett, Jun Lu, Khalil Amine, Mark C Hersam

Research output: Contribution to journalLetter

41 Citations (Scopus)

Abstract

Efficient energy storage systems based on lithium-ion batteries represent a critical technology across many sectors including consumer electronics, electrified transportation, and a smart grid accommodating intermittent renewable energy sources. Nanostructured electrode materials present compelling opportunities for high-performance lithium-ion batteries, but inherent problems related to the high surface area to volume ratios at the nanometer-scale have impeded their adoption for commercial applications. Here, we demonstrate a materials and processing platform that realizes high-performance nanostructured lithium manganese oxide (nano-LMO) spinel cathodes with conformal graphene coatings as a conductive additive. The resulting nanostructured composite cathodes concurrently resolve multiple problems that have plagued nanoparticle-based lithium-ion battery electrodes including low packing density, high additive content, and poor cycling stability. Moreover, this strategy enhances the intrinsic advantages of nano-LMO, resulting in extraordinary rate capability and low temperature performance. With 75% capacity retention at a 20C cycling rate at room temperature and nearly full capacity retention at −20 °C, this work advances lithium-ion battery technology into unprecedented regimes of operation.

Original languageEnglish
Pages (from-to)2539-2546
Number of pages8
JournalNano Letters
Volume17
Issue number4
DOIs
Publication statusPublished - Apr 12 2017

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Graphene
electric batteries
graphene
Cathodes
lithium
cathodes
lithium oxides
Manganese oxide
augmentation
manganese oxides
ions
Lithium
cycles
Electrodes
Consumer electronics
renewable energy
packing density
energy sources
energy storage

Keywords

  • high packing density
  • high rate capability
  • Lithium manganese oxide
  • low temperature
  • nanoparticle
  • spinel

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

Comprehensive Enhancement of Nanostructured Lithium-Ion Battery Cathode Materials via Conformal Graphene Dispersion. / Chen, Kan Sheng; Xu, Rui; Luu, Norman S.; Secor, Ethan B.; Hamamoto, Koichi; Li, Qianqian; Kim, Soo; Sangwan, Vinod K.; Balla, Itamar; Guiney, Linda M.; Seo, Jung Woo T.; Yu, Xiankai; Liu, Weiwei; Wu, Jinsong; Wolverton, Chris; Dravid, Vinayak P.; Barnett, Scott A.; Lu, Jun; Amine, Khalil; Hersam, Mark C.

In: Nano Letters, Vol. 17, No. 4, 12.04.2017, p. 2539-2546.

Research output: Contribution to journalLetter

Chen, KS, Xu, R, Luu, NS, Secor, EB, Hamamoto, K, Li, Q, Kim, S, Sangwan, VK, Balla, I, Guiney, LM, Seo, JWT, Yu, X, Liu, W, Wu, J, Wolverton, C, Dravid, VP, Barnett, SA, Lu, J, Amine, K & Hersam, MC 2017, 'Comprehensive Enhancement of Nanostructured Lithium-Ion Battery Cathode Materials via Conformal Graphene Dispersion', Nano Letters, vol. 17, no. 4, pp. 2539-2546. https://doi.org/10.1021/acs.nanolett.7b00274
Chen, Kan Sheng ; Xu, Rui ; Luu, Norman S. ; Secor, Ethan B. ; Hamamoto, Koichi ; Li, Qianqian ; Kim, Soo ; Sangwan, Vinod K. ; Balla, Itamar ; Guiney, Linda M. ; Seo, Jung Woo T. ; Yu, Xiankai ; Liu, Weiwei ; Wu, Jinsong ; Wolverton, Chris ; Dravid, Vinayak P. ; Barnett, Scott A. ; Lu, Jun ; Amine, Khalil ; Hersam, Mark C. / Comprehensive Enhancement of Nanostructured Lithium-Ion Battery Cathode Materials via Conformal Graphene Dispersion. In: Nano Letters. 2017 ; Vol. 17, No. 4. pp. 2539-2546.
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abstract = "Efficient energy storage systems based on lithium-ion batteries represent a critical technology across many sectors including consumer electronics, electrified transportation, and a smart grid accommodating intermittent renewable energy sources. Nanostructured electrode materials present compelling opportunities for high-performance lithium-ion batteries, but inherent problems related to the high surface area to volume ratios at the nanometer-scale have impeded their adoption for commercial applications. Here, we demonstrate a materials and processing platform that realizes high-performance nanostructured lithium manganese oxide (nano-LMO) spinel cathodes with conformal graphene coatings as a conductive additive. The resulting nanostructured composite cathodes concurrently resolve multiple problems that have plagued nanoparticle-based lithium-ion battery electrodes including low packing density, high additive content, and poor cycling stability. Moreover, this strategy enhances the intrinsic advantages of nano-LMO, resulting in extraordinary rate capability and low temperature performance. With 75{\%} capacity retention at a 20C cycling rate at room temperature and nearly full capacity retention at −20 °C, this work advances lithium-ion battery technology into unprecedented regimes of operation.",
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N2 - Efficient energy storage systems based on lithium-ion batteries represent a critical technology across many sectors including consumer electronics, electrified transportation, and a smart grid accommodating intermittent renewable energy sources. Nanostructured electrode materials present compelling opportunities for high-performance lithium-ion batteries, but inherent problems related to the high surface area to volume ratios at the nanometer-scale have impeded their adoption for commercial applications. Here, we demonstrate a materials and processing platform that realizes high-performance nanostructured lithium manganese oxide (nano-LMO) spinel cathodes with conformal graphene coatings as a conductive additive. The resulting nanostructured composite cathodes concurrently resolve multiple problems that have plagued nanoparticle-based lithium-ion battery electrodes including low packing density, high additive content, and poor cycling stability. Moreover, this strategy enhances the intrinsic advantages of nano-LMO, resulting in extraordinary rate capability and low temperature performance. With 75% capacity retention at a 20C cycling rate at room temperature and nearly full capacity retention at −20 °C, this work advances lithium-ion battery technology into unprecedented regimes of operation.

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