One-Pot Hydrothermal Synthesis and Electrochemical Performance of Subspheroidal Core-Shell Structure MoS2/C Composite as Anode Material for Lithium-Ion Batteries

被引:0
作者
Liu, Wei [1 ,2 ]
Fan, Dongsheng [1 ,3 ]
Wang, Wei [1 ]
Yang, Shenshen [1 ,3 ]
Lu, Yaozong [1 ,3 ]
Fu, Lingping [1 ]
Zhang, Jingbo [1 ]
Wu, Yang [1 ,3 ]
机构
[1] Henan Univ Sci & Technol, Sch Mat Sci & Engn, Luoyang 471023, Peoples R China
[2] Collaborat Innovat Ctr New Mat & Adv Proc Technol, Luoyang 471023, Peoples R China
[3] Natl Joint Engn Res Ctr Abras Control & Molding M, Luoyang 471003, Peoples R China
基金
中国国家自然科学基金;
关键词
lithium-ion batteries; anode material; MoS2/C; subspheroidal; hydrothermal process; NANOSHEETS; MICROSPHERES; NANOSPHERES; EVOLUTION; CHARGE;
D O I
10.3390/en17071678
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Molybdenum disulfide (MoS2) is a promising anode material for lithium-ion batteries (LIBs) due to its distinctive graphene-like structure and high specific capacity. However, its commercial application is hindered by the severe volume expansion during lithiation/delithiation and poor conductivity. In this paper, we report a facile one-pot enhanced hydrothermal synthesis strategy to prepare high-performance MoS2/C composite materials. The results indicate that the as-prepared MoS2/C composite is a subspheroidal core-shell structure material, with uniform coating, good particle dispersion, and an average grain size of approximately 80 nm. The morphology of the composite remained unchanged even after annealing at 500 degrees C for 2 h. The addition of glucose can accelerate the nucleation and growth of MoS2, and higher hydrothermal temperatures can improve the product yield. The addition of PVP has little effect on the yield, but significantly reduces the particle size. The XPS analysis reveals that the MoO3 may be generated as an intermediate product during the hydrothermal process. The electrochemical test results show that the unannealed MoS2/C samples exhibit discharge-specific capacities of 705.2 mAh<middle dot>g(-1) and 625.7 mAh<middle dot>g(-1) after the first cycle and the 100th cycle, respectively, at a current density of 500 mA<middle dot>g(-1), with a capacity retention rate of 88.7%. In contrast, the specific capacity of the MoS2/C specimens after annealing at 500 degrees C for 2 h shows a tendency to decrease and then slowly increase during the cycles, and the discharge specific capacity is 582.3 mAh<middle dot>g(-1) after the 100th cycle, which is lower than that of the unheated sample. The impedance analysis reveals that the lithium-ion diffusion coefficient of the MoS2/C material without calcination is 2.11 x 10(-18) cm<middle dot>s(-2), which is superior to that of the annealed MoS2/C and pristine MoS2 samples. This characteristic is favorable for lithiation/delithiation during the charge/discharge process.
引用
收藏
页数:24
相关论文
共 50 条
[1]   One-pot hydrothermal synthesis of core-shell structured MnCO3@C as anode material for lithium-ion batteries with superior electrochemical performance [J].
Feng, Xiaoyu ;
Shen, Qiang ;
Shi, Yuanchang ;
Zhang, Jianxin .
ELECTROCHIMICA ACTA, 2016, 220 :391-397
[2]   Enhanced Hydrothermal Synthesis and Electrochemical Performance of Subsphaeroidal MoS2 used as Anode Material for Lithium-Ion Batteries [J].
Wu Yang ;
Zhang Liangliang ;
Wang Wei ;
Fan Dongsheng ;
Yang Shenshen ;
Bai Yunhao ;
Li Jiwen ;
Liu Wei .
RARE METAL MATERIALS AND ENGINEERING, 2023, 52 (08) :2893-2900
[3]   Synthesis of hierarchical MoS2 and its electrochemical performance as an anode material for lithium-ion batteries [J].
Sun, Panling ;
Zhang, Wuxing ;
Hu, Xianluo ;
Yuan, Lixia ;
Huang, Yunhui .
JOURNAL OF MATERIALS CHEMISTRY A, 2014, 2 (10) :3498-3504
[4]   One-pot synthesis of bicrystalline titanium dioxide spheres with a core-shell structure as anode materials for lithium and sodium ion batteries [J].
Yan, Zichao ;
Liu, Li ;
Tan, Jinli ;
Zhou, Qian ;
Huang, Zhifeng ;
Xia, Dongdong ;
Shu, Hongbo ;
Yang, Xiukang ;
Wang, Xianyou .
JOURNAL OF POWER SOURCES, 2014, 269 :37-45
[5]   A novel silicon graphite composite material with core-shell structure as an anode for lithium-ion batteries [J].
Yin, Ao ;
Yang, Lezhi ;
Zhuang, Zilong ;
Feng, Qingge ;
Liu, Zhikuan ;
Chen, Tao ;
Tu, Feiyue ;
Peng, Qinjiao ;
Luo, Lei ;
Tang, Gang ;
Chen, Wenqiang ;
Qin, Shibiao ;
Wu, Jianghua .
ENERGY STORAGE, 2020, 2 (04)
[6]   PEG-PVP-Assisted Hydrothermal Synthesis and Electrochemical Performance of N-Doped MoS2/C Composites as Anode Material for Lithium-Ion Batteries [J].
Liu, Wei ;
Yang, Shenshen ;
Fan, Dongsheng ;
Wu, Yang ;
Zhang, Jingbo ;
Lu, Yaozong ;
Fu, Linping .
ACS OMEGA, 2024, 9 (08) :9792-9802
[7]   Facile One-Pot Hydrothermal Synthesis of Hierarchical MoS2/α-MnS Nanocomposites with Good Cycling Performance as Anode Materials for Lithium-Ion Batteries [J].
Zhang, De-An ;
Zhao, Xishan ;
Zhu, Lin ;
Wang, Qi .
CRYSTALS, 2022, 12 (12)
[8]   Facile synthesis of Sn/MoS2/C composite as an anode material for lithium-ion batteries with outstanding performance [J].
Wang, Hongqiang ;
Pan, Qichang ;
Chen, Jing ;
Zan, Yahui ;
Huang, Youguo ;
Yang, Guanhua ;
Yan, Zhixiong ;
Li, Qingyu .
NEW JOURNAL OF CHEMISTRY, 2016, 40 (02) :1263-1268
[9]   One-pot synthesis of NiFe2O4/C composite as an anode material for lithium-ion batteries [J].
Ding, Yu ;
Yang, Yifu ;
Shao, Huixia .
JOURNAL OF POWER SOURCES, 2013, 244 :610-613
[10]   Core-shell carbon composite material as anode materials for lithium-ion batteries [J].
Qu, Xiaoxiao ;
Huang, Guangxu ;
Xing, Baolin ;
Si, Dongyong ;
Xu, Bing ;
Chen, Zehua ;
Zhang, Chuanxiang ;
Cao, Yijun .
JOURNAL OF ALLOYS AND COMPOUNDS, 2019, 772 :814-822