Journal
MRS COMMUNICATIONS
Volume 11, Issue 4, Pages 418-424Publisher
SPRINGER HEIDELBERG
DOI: 10.1557/s43579-021-00048-6
Keywords
Composite; Energy storage; Microstructure; Morphology
Categories
Funding
- National Natural Science Foundation of China [51771145]
- China Postdoctoral Science Foundation [2020T130525]
- Shaanxi Province Postdoctoral Science Foundation [2018BSHEDZZ113]
- ISF-NSFC Joint Research Program [51961145305]
- Shaanxi Natural Science Basic Research Plan, China [2020JM-464]
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A strategy of introducing mesoporous carbon (MPC) to obtain a FeS2/MPC composite electrode for lithium-ion batteries (LIBs) was proposed in this study, resulting in a significant improvement in electrochemical performance compared to pristine FeS2. The discharge capacity of the composite electrode reached 650 mAh g(-1) at 0.5 C current density, demonstrating its potential for practical applications.
FeS2 is thought to be a kind of promising anode materials used for lithium-ion batteries (LIBs), but the intrinsic low electrical conductivity and remarkable volume change hinder its practical application. In the present work, we proposed a strategy by introducing mesoporous carbon (MPC) to obtain a FeS2/MPC composite electrode for LIBs. The FeS2/MPC composite was prepared by hydrothermal method. The results indicated that the FeS2/MPC composite electrode exhibited better electrochemical performance than pristine FeS2. Especially, the discharge capacity of composite electrode reached 650 mAh g(-1) at 0.5 C current density, and this was significantly higher than that of pristine FeS2.
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