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Title: Binary Fe/Mn-Based Nanocomposites as Li-Free Cathode Materials for Li Batteries Assembled in Charged State

Journal Article · · Industrial and Engineering Chemistry Research
 [1];  [2];  [3]; ORCiD logo [3]
  1. Wayne State Univ., Detroit, MI (United States); Wayne State University
  2. United States Army Combat Capabilities Development Command (DEVCOM), Warren, MI (United States). Ground Vehicle Systems Center (GVCS)
  3. Wayne State Univ., Detroit, MI (United States)

Li-ion batteries play important roles in this mobile society. The ever-increasing demand for energy storage, particularly from electric vehicles, requires next-generation Li batteries with higher energy density and better safety. In contrast to existing Li-ion batteries using lithiated cathodes and Li-free anodes, we explore Li-free cathodes coupled with lithium/ lithiated anodes in order to construct new Li batteries assembled in a charged state. Here, two highly promising Li-free cathode materials of 1-D FeOF nanorods and 2-D monolayer MnO2 nanosheets are integrated to make FeOF@MnO2 nanocomposites. FeOF nanorods are sandwiched by monolayer MnO2 nanosheets where FeOF nanoparticles could prevent the restacking of the monolayer MnO2 nanosheets and the presence of monolayer MnO2 nanosheets could enhance the electrical integration of the FeOF nanorods. Synergistic effects of the binary Fe/Mn-based cathodes can lead to both high voltage and high capacity, compared to individual components. Electrochemical evaluation reveals that binary Fe/Mn-based Li-free cathodes demonstrate promising performances and are worthy of further investigation and optimization.

Research Organization:
Wayne State Univ., Detroit, MI (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
Grant/Contract Number:
EE0008236
OSTI ID:
1844948
Journal Information:
Industrial and Engineering Chemistry Research, Journal Name: Industrial and Engineering Chemistry Research Journal Issue: 22 Vol. 61; ISSN 0888-5885
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English

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