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Cao L, Chen M, Zhang Y, Hu J, Wu Y, Chen Y, Wang R, Yuan H, Wei F, Sui Y, Meng Q, Cheng L, Wang S. In situ growth of Mn 3O 4 nanoparticles on accordion-like Ti 3C 2T x MXene for advanced aqueous Zn-Ion batteries. J Colloid Interface Sci 2024; 671:303-311. [PMID: 38815367 DOI: 10.1016/j.jcis.2024.05.151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 05/15/2024] [Accepted: 05/20/2024] [Indexed: 06/01/2024]
Abstract
Manganese-based cathodes are competitive candidates for state-of-the-art aqueous zinc-ion batteries (AZIBs) because of their easy preparation method, sufficient nature reserve, and environmental friendliness. However, their poor cycle stability and low rate performance have prevented them from practical applications. In this study, Mn3O4 nanoparticles were formed in situ on the surface and between the interlayers of Ti3C2Tx MXene, which was pretreated by the intercalation of K+ ions. Ti3C2Tx MXene not only provides abundant active sites and high conductivity but also hinders the structural damage of Mn3O4 during charging and discharging. Benefiting from the well-designed K-Ti3C2@Mn3O4 structure, the battery equipped with the K-Ti3C2@Mn3O4 cathode achieved a maximum specific capacity of 312 mAh/g at a current density of 0.3 A/g and carried a specific capacity of approximately 120 mAh/g at a current density of 1 A/g, which remained stable for approximately 500 cycles. The performance surpasses that of most reported Mn3O4-based cathodes. This study pioneers a new approach for building better cathode materials for AZIBs.
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Affiliation(s)
- Liucheng Cao
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
| | - Miao Chen
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
| | - Yiming Zhang
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
| | - Jingying Hu
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
| | - Yi Wu
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
| | - Ying Chen
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
| | - Ruijia Wang
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
| | - Haoyi Yuan
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
| | - Fuxiang Wei
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China.
| | - Yanwei Sui
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
| | - Qingkun Meng
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
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Zhu L, Zhang W, Chen J, Men L, Zhang J, Zhou Y. Deciphering the storage mechanism of biochar anchored with different morphology Mn 3O 4 as advanced anode material for lithium-ion batteries. J Colloid Interface Sci 2024; 669:740-753. [PMID: 38739966 DOI: 10.1016/j.jcis.2024.05.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 05/03/2024] [Accepted: 05/07/2024] [Indexed: 05/16/2024]
Abstract
Biochar is regarded as a promising lithium-ion batteries anode material, owing to its high cost-effectiveness. However, the poor specific capacity and cycling stability have limited its practical applications. A straightforward and cost-efficient solvothermal method is presented for synthesizing Mn3O4/biochar composites in this study. By adjusting solvothermal temperatures, Mn3O4 with different morphology is prepared and anchored on the biochar surface (MKAC-T) to improve the electrochemical performance. Due to the morphological effect of nanospherical Mn3O4 on the biochar surface, the MKAC-180 anode material demonstrates outstanding reversible capacity (992.5 mAh/g at 0.2 A/g), significant initial coulombic efficiency (61.1 %), stable cycling life (605.3 mAh/g at 1.0 A/g after 1000 cycles), and excellent rate performance (385.8 mAh/g at 1.6 A/g). Moreover, electro-kinetic analysis and ex-situ physicochemical characterizations are employed to illustrate the charge storage mechanisms of MKAC-180 anode. This study provides valuable insights into the "structure-activity relationship" between Mn3O4 microstructure and electrochemical performance for the Mn3O4/biochar composites, illuminating the industrial utilization of biomass carbon anode materials.
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Affiliation(s)
- Likai Zhu
- National & Local United Engineering Research Centre for Chemical Process Simulation and Intensification, Chemical Process Simulation and Optimization Engineering Research Center of Ministry of Education, Xiangtan University, Xiangtan 411100, China
| | - Wenli Zhang
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, School of Chemical Engineering and Light Industry, Guangdong University of Technology (GDUT), 100 Waihuan Xi Road, Panyu District, Guangzhou 510006, China
| | - Jiaying Chen
- National & Local United Engineering Research Centre for Chemical Process Simulation and Intensification, Chemical Process Simulation and Optimization Engineering Research Center of Ministry of Education, Xiangtan University, Xiangtan 411100, China
| | - Lijuan Men
- National & Local United Engineering Research Centre for Chemical Process Simulation and Intensification, Chemical Process Simulation and Optimization Engineering Research Center of Ministry of Education, Xiangtan University, Xiangtan 411100, China
| | - Jiafeng Zhang
- National Engineering Laboratory for High-Efficiency Recovery of Refractory Nonferrous Metals, School of Metallurgy and Environment, Central South University, Changsha 410083, Hunan, China
| | - Yefeng Zhou
- National & Local United Engineering Research Centre for Chemical Process Simulation and Intensification, Chemical Process Simulation and Optimization Engineering Research Center of Ministry of Education, Xiangtan University, Xiangtan 411100, China.
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Li T, Tong J, Liu S, Liang J, Dai G, Sun W, Sun A. Butterfly-tie like MnCO 3@Mn 3O 4 heterostructure enhanced the electrochemical performances of aqueous zinc ion batteries. J Colloid Interface Sci 2023; 656:504-512. [PMID: 38007942 DOI: 10.1016/j.jcis.2023.11.129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 11/16/2023] [Accepted: 11/21/2023] [Indexed: 11/28/2023]
Abstract
Due to the limited exploitation and utilization of fossil energy resources in recent years, it is imperative to explore and develop new energy materials. As an electrode material for batteries, MnCO3 has the advantages of safety, non-toxicity, and wide availability of raw materials. But it also has some disadvantages, such as short cycle period and low conductivity. In order to improve these deficiencies, we designed a MnCO3@Mn3O4 heterostructure material by a simple solvothermal method, which possessed a microstructure of "butterfly-tie". Owing to the introduction of Mn3O4 and the layered structure of "butterfly-tie", MnCO3@Mn3O4 possessed a discharge capacity of 165 mAh/g when the current density was 0.2 A/g and exhibited satisfactory rate performance. The MnCO3@Mn3O4 heterostructure was optimized by density functional theory (DFT), and the deformation charge density was calculated. It was found that the MnCO3@Mn3O4 heterostructure is stable owing to the molecular interaction between the O atoms from MnCO3 and the Mn atoms from Mn3O4 at the interface of heterojunction. Therefore, the MnCO3@Mn3O4 heterostructure material has promising applications as safe and efficient cathode material for energy batteries.
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Affiliation(s)
- Tao Li
- School of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou 412007, People's Republic of China
| | - Jingjing Tong
- School of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou 412007, People's Republic of China
| | - Siyu Liu
- School of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou 412007, People's Republic of China
| | - Jingyi Liang
- School of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou 412007, People's Republic of China
| | - Geliang Dai
- School of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou 412007, People's Republic of China
| | - Wentao Sun
- School of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou 412007, People's Republic of China
| | - Aokui Sun
- School of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou 412007, People's Republic of China.
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