Journal
ENERGY & FUELS
Volume 36, Issue 5, Pages 2861-2871Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.energyfuels.1c04338
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Funding
- Shanghai University of Engineering Science Innovation Fund for Graduate Students [18KY0409]
- Natural Science Foundation of Shanghai City [19ZR1421300, CT-3008-5 V10 mA-164]
- Neware
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This study introduces nitrogen-doped Ag-based metal-organic gels (Ag-MOGs) in lithium ion batteries (LIBs) for the first time, demonstrating good electrochemical performances. The Co3O4 nanoparticles with smaller sizes (10-15 nm) on the surface of Ag-C exhibit excellent electrochemical performance due to the good conductivity of silver particles and the nitrogen doping of Ag-C.
In this work, nitrogen-doped Ag-based metal-organic gels (Ag-MOGs) are introduced for the first time in the field of lithium ion batteries (LIBs) with good electrochemical performances. As a novel approach of the nitrogen-doping method for LIBs, Ag-carbon (Ag-C) as the precursor is formed from Ag-MOGs and Co3O4 nanoparticles are prepared by different pyrolysis processes and maintain different particle sizes as the primary active materials. Co3O4 nanoparticles with smaller sizes (10-15 nm) covering the surface of Ag-C show good electrochemical performance because of the good conductivity of silver particles and the nitrogen doping of Ag-C. In particular, the composite shows a high rate capability of 516.4 mAh g(-1) (5 A g(-1)) and strong cycling stability of 1275.78 mAh g(-1) at the current density of 100 mA g(-1) even after 100 cycles.
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