Flexible electrode of Fe-doped NiSe<sub>2</sub>@porous graphene as binder-free anode for lithium-ion batteries

Guo, Caiyun; Zhang, Bo; Xiao, Mengru; Hao, Mingming; Zhao, Liting; Zhang, Xiaoting; Zhang, Hongyan; Wang, Rui

doi:10.1039/d3se01214j

Sustainable Energy Fuels

2024

DOI: 10.1039/d3se01214j

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Flexible electrode of Fe-doped NiSe₂@porous graphene as binder-free anode for lithium-ion batteries

Caiyun Guo,

Bo Zhang,

Mengru Xiao

et al.

Abstract: The Fe-doped NiSe2@Porous Graphene (Fe-NiSe2@PG) was prepared via the doping of iron in NiSe2@Porous Graphene (NiSe2@PG) by a vacuum filtration, annealing, and selenylation process. Different from the granular structure of...

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Enhancing Lithium‐Ion Battery Performance with Ni₁−_xFe_xS‐Biocarbon Composites: Improving Cycle Stability and Rate Capability through Multilayered Biocarbon Nanosheet Formation and Fe Doping

Yang,

Shin,

Yoo

et al. 2024

International Journal of Energy Research

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Given the growing demand for high‐performance, stable, eco‐friendly, and cheap lithium‐ion batteries (LIBs), the development of affordable and environmentally friendly high‐performance anode materials for LIBs has garnered considerable attention. Herein, to address this need, NiS (known for its high theoretical capacity) was grown on a porous biocarbon (BC) matrix to afford a highly conductive LIB anode material capable of accommodating the charge/discharge‐induced volume changes and thus ensuring cycle stability. The cycling performance of this material (NiS–BC) was further enhanced by doping with Fe. The best‐performing (Ni0.8Fe0.2S–BC) anode demonstrated an initial discharge capacity of 1,374.4 mAh g−1 at 0.5 A g−1, which further increased to 1,796.4 mAh g−1 after 100 cycles, and the origins of this high performance were probed by instrumental analysis. The results contribute to the development of next‐generation LIBs for applications requiring high capacity, high output, and long‐term cycle stability, such as electronic devices, electric vehicles, and energy storage systems. Moreover, the use of BC aligns with a prominent trend in modern battery research, namely, the development of secondary batteries simultaneously exhibiting high performance and sustainability.

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Enhancing Lithium‐Ion Battery Performance with Ni₁−_xFe_xS‐Biocarbon Composites: Improving Cycle Stability and Rate Capability through Multilayered Biocarbon Nanosheet Formation and Fe Doping

Yang,

Shin,

Yoo

et al. 2024

International Journal of Energy Research

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Flexible electrode of Fe-doped NiSe₂@porous graphene as binder-free anode for lithium-ion batteries

Abstract: The Fe-doped NiSe2@Porous Graphene (Fe-NiSe2@PG) was prepared via the doping of iron in NiSe2@Porous Graphene (NiSe2@PG) by a vacuum filtration, annealing, and selenylation process. Different from the granular structure of...

Cited by 1 publication

References 49 publications

Enhancing Lithium‐Ion Battery Performance with Ni₁−_xFe_xS‐Biocarbon Composites: Improving Cycle Stability and Rate Capability through Multilayered Biocarbon Nanosheet Formation and Fe Doping

Enhancing Lithium‐Ion Battery Performance with Ni₁−_xFe_xS‐Biocarbon Composites: Improving Cycle Stability and Rate Capability through Multilayered Biocarbon Nanosheet Formation and Fe Doping

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Flexible electrode of Fe-doped NiSe2@porous graphene as binder-free anode for lithium-ion batteries

Abstract: The Fe-doped NiSe2@Porous Graphene (Fe-NiSe2@PG) was prepared via the doping of iron in NiSe2@Porous Graphene (NiSe2@PG) by a vacuum filtration, annealing, and selenylation process. Different from the granular structure of...

Cited by 1 publication

References 49 publications

Enhancing Lithium‐Ion Battery Performance with Ni1−xFexS‐Biocarbon Composites: Improving Cycle Stability and Rate Capability through Multilayered Biocarbon Nanosheet Formation and Fe Doping

Enhancing Lithium‐Ion Battery Performance with Ni1−xFexS‐Biocarbon Composites: Improving Cycle Stability and Rate Capability through Multilayered Biocarbon Nanosheet Formation and Fe Doping

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Flexible electrode of Fe-doped NiSe₂@porous graphene as binder-free anode for lithium-ion batteries

Enhancing Lithium‐Ion Battery Performance with Ni₁−_xFe_xS‐Biocarbon Composites: Improving Cycle Stability and Rate Capability through Multilayered Biocarbon Nanosheet Formation and Fe Doping

Enhancing Lithium‐Ion Battery Performance with Ni₁−_xFe_xS‐Biocarbon Composites: Improving Cycle Stability and Rate Capability through Multilayered Biocarbon Nanosheet Formation and Fe Doping