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Zhao P, Jiang L, Li P, Xiong B, Zhou N, Liu C, Jia J, Ma G, Zhang M. Tailored engineering of Fe 3O 4 and reduced graphene oxide coupled architecture to realize the full potential as electrode materials for lithium-ion batteries. J Colloid Interface Sci 2023; 634:737-746. [PMID: 36563430 DOI: 10.1016/j.jcis.2022.12.087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 12/12/2022] [Accepted: 12/18/2022] [Indexed: 12/24/2022]
Abstract
Developing advanced electrode materials with appropriate compositions and exquisite configurations is crucial in fabricating lithium-ion batteries (LIBs) with high energy density and fast charging capability plateau. Herein, a Fe3O4@reduced graphene oxide (Fe3O4@rGO) coupled architecture was rationally designed and in-situ synthesized. Monodispersed mesoporous Fe3O4 nanospheres were homogeneously formed and strongly bound on interconnected macroporous rGO frameworks to form well-defined three-dimensional (3D) hierarchical porous morphologies. This tailored Fe3O4@rGO coupled architecture fully exploited the advantages of Fe3O4 and rGO to overcome their inherent challenges, including spontaneous aggregating/excessive restacking tendency, sluggish ions diffusion/electrons transportation, and severe volume expansion/structural collapse. Benefitting from their synergistic effects, the optimized Fe3O4@rGO composite electrode exhibited an improved electrochemical reactivity, electrical conductivity, electrolyte accessibility, and structural stability. The optimized composite electrode displayed a high specific capacity of 1296.8 mA h g-1 at 0.1 A g-1 after 100 cycles, even retaining 555.1 mA h g-1 at 2 A g-1 after 2000 cycles. The electrochemical kinetics analysis revealed the predominantly pseudocapacitive behaviors of the Fe3O4@rGO heterogeneous interfaces, accounting for the excellent electrode performance. This study proposes a viable strategy for use in engineering hybrid composites with coupled architectures to optimize their potential as high-performance electrode materials for use in LIBs.
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Affiliation(s)
- Pengxiang Zhao
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong, China
| | - Long Jiang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong, China
| | - Peishan Li
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong, China
| | - Bo Xiong
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong, China
| | - Na Zhou
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong, China
| | - Changyu Liu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong, China
| | - Jianbo Jia
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong, China
| | - Guoqiang Ma
- School of Applied Physics and Materials, Wuyi University, Jiangmen 529020, Guangdong, China.
| | - Mengchen Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong, China.
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