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May 6, 2008Angewandte Chemie International Edition

α‐MnO2 Nanowires: A Catalyst for the O2 Electrode in Rechargeable Lithium Batteries

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Authors

ADAurélie DébartRenault (France)APAllan J. PatersonAndrews UniversityJBJianli BaoShandong University of Traditional Chinese Medicine

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Implication

Materials study demonstrates enhanced capacity in lithium-oxygen battery cathodes using alpha-MnO2 nanowire catalysts, highlighting a route to higher-density energy storage.

Key Points

  • To evaluate the catalytic performance of alpha-MnO2 nanowires in porous composite oxygen cathodes for high-capacity rechargeable lithium batteries.
  • Fabricated a porous composite oxygen positive electrode using alpha-MnO2 nanowires and carbon.
  • Characterized electrode morphology and discharge product accumulation using scanning electron microscopy.
  • Achieved higher battery storage capacity by incorporating alpha-MnO2 nanowires as the oxygen cathode catalyst.
  • Confirmed the accumulation of lithium peroxide (Li2O2) deposits within the porous alpha-MnO2 and carbon cathode matrix during discharge.

Cite This Study

Débart et al. (2008) studied this question.

synapsesocial.com/papers/6a1d1d5bfeb402ac612f2fdehttps://doi.org/10.1002/anie.200705648
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Also Consider

Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1A Polymer Electrolyte‐Based Rechargeable Lithium/Oxygen Battery1996 · 2,094 citations
  2. 2Synthesis of MnO2 Phases from LiMn2 O 4 in Aqueous Acidic Media: Mechanisms of Phase Transformations, Reactivity, and Effect of Bi Species1998 · 31 citations
  3. 3Characterization of the Lithium/Oxygen Organic Electrolyte Battery2002 · 527 citations
  4. 4Oxygen Transport Properties of Organic Electrolytes and Performance of Lithium/Oxygen Battery2003 · 443 citations