In electrode preparation, graphene-based electrodes usually form a uniaxially oriented stacking structure, which limits the Na+ diffusion in graphene electrodes for sodium-ion batteries (SIBs). In this work, a crumpled graphene (CG) anode with graded interlayer spacings was synthesized, and CG exhibits high-rate performance for SIBs. The CG has a folding microstructure like a paper clip that facilitates rapid adsorption/desorption of Na+ on its surface so that the diffusion kinetics of Na+ could be improved. The x-ray absorption fine structure and transmission electron microscope proved the mechanism of Na+ co-adsorption and explained the reason for its high-rate performance. When the three-dimensional CG is used as the anode of SIBs, it has a high-rate performance of 146 mAh g−1 with the current density increasing to 1 A g−1, and CG still maintained about 79 mAh g−1 after 1000 cycles at 0.5 A g−1 with good structural stability.
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18 December 2023
Research Article|
December 18 2023
Crumpled graphene with graded interlayer spacing for high-rate Na+ storage
Special Collection:
Carbon-based Materials for Energy Conversion and Storage
Xiaoxu Liu
;
Xiaoxu Liu
a)
(Formal analysis, Methodology, Project administration, Resources, Supervision, Visualization, Writing – review & editing)
1
School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology
, Xi'an 710021, China
a)Authors to whom correspondence should be addressed: xiaoxuliu@sust.edu.cn and sdw724148@icloud.com
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HASEEB UD DIN
;
HASEEB UD DIN
(Formal analysis, Visualization, Writing – original draft)
1
School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology
, Xi'an 710021, China
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Man Zhang
;
Man Zhang
(Formal analysis, Visualization, Writing – original draft, Writing – review & editing)
1
School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology
, Xi'an 710021, China
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Dawei Sheng
;
Dawei Sheng
a)
(Visualization, Writing – review & editing)
1
School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology
, Xi'an 710021, China
a)Authors to whom correspondence should be addressed: xiaoxuliu@sust.edu.cn and sdw724148@icloud.com
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Dongliang Chao
;
Dongliang Chao
(Formal analysis, Project administration, Resources, Supervision, Writing – review & editing)
2
Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, College of Chemistry and Materials, Fudan University
, Shanghai 200433, China
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Zexiang Shen
Zexiang Shen
(Project administration, Resources, Supervision, Writing – review & editing)
1
School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology
, Xi'an 710021, China
3
Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University
, Singapore 637371, Singapore
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a)Authors to whom correspondence should be addressed: xiaoxuliu@sust.edu.cn and sdw724148@icloud.com
Appl. Phys. Lett. 123, 253901 (2023)
Article history
Received:
August 19 2023
Accepted:
November 21 2023
Citation
Xiaoxu Liu, HASEEB UD DIN, Man Zhang, Dawei Sheng, Dongliang Chao, Zexiang Shen; Crumpled graphene with graded interlayer spacing for high-rate Na+ storage. Appl. Phys. Lett. 18 December 2023; 123 (25): 253901. https://doi.org/10.1063/5.0172957
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