Citation: LIU Shu-Xin, YIN Heng-Bo, WANG Hai-Bin, HE Ji-Chuan, WANG Hong. Characterization and Electrochemical Performance of ZnO Modified LiFePO₄/C Cathode Materials for Lithium-ion Batteries[J]. Chinese Journal of Structural Chemistry, ;2014, 33(3): 353-360. shu

Characterization and Electrochemical Performance of ZnO Modified LiFePO₄/C Cathode Materials for Lithium-ion Batteries

a.
a. School of Chemistry and Chemical Engineering, Mianyang Normal University, Mianyang, Sichuan 621000, China;
b.
b. School of Material Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China

Corresponding author: LIU Shu-Xin,
Received Date: 26 July 2013
Available Online: 25 November 2013
Fund Project: Supported by the Applied Basic Research Project of Sichuan Province (2011JY0101) (2011JY0101) the Key Fund Project of Sichuan Education Department (13ZA0111) (13ZA0111) the Natural Science Fund Project of Sichuan Education Department (11ZB239) (11ZB239)the Key Project of Mianyang Normal University (2012A11) (12G031-1)

To improve the electrical conductivity of LiFePO₄ cathode materials, the ZnO modified LiFePO₄/C cathode materials are synthesized by a two-step process including solid state synthesis method and precipitation method. The structures and compositions of ZnO modified LiFePO₄/C cathode materials are characterized and analyzed by X-ray diffraction, scanning electron microscopy, transmission electron microscopy and energy dispersive spectroscopy, which indicates that the existence of ZnO has little or no effect on the crystal structure, particles size and morphology of LiFePO₄. The electrochemical performances are also characterized and analyzed with charge-discharge test, cyclic voltammetry and electrochemical impedance spectroscopy. The results show that the existence of ZnO improves the specific capability and lithium ion diffusion rate of LiFePO₄ cathode materials and reduces the charge transfer resistance of cell, and the one with 3 wt% ZnO exhibits the best electrochemical performance.
- LiFePO₄,
- electrochemical performance,
- cathode materials,
- lithium-ion batteries,
- surface modification
1. [1]
  Xianping Du , Ying Huang , Chen Chen , Zhenhe Feng , Meng Zong . Encapsulating Si particles in multiple carbon shells with pore-rich for constructing free-standing anodes of lithium storage. Chinese Chemical Letters, 2024, 35(12): 109990-. doi: 10.1016/j.cclet.2024.109990
2. [2]
  Wendi Dou , Guangying Wan , Tiefeng Liu , Lin Han , Wu Zhang , Chuang Sun , Rensheng Song , Jianhui Zheng , Yujing Liu , Xinyong Tao . Conductive composite binder for recyclable LiFePO₄ cathode. Chinese Chemical Letters, 2024, 35(11): 109389-. doi: 10.1016/j.cclet.2023.109389
3. [3]
  Yang LIU , Lijun WANG , Hongyu WANG , Zhidong CHEN , Lin SUN . Surface and interface modification of porous silicon anodes in lithium-ion batteries by the introduction of heterogeneous atoms and hybrid encapsulation. Chinese Journal of Inorganic Chemistry, 2025, 41(4): 773-785. doi: 10.11862/CJIC.20250015
4. [4]
  Mianying Huang , Zhiguang Xu , Xiaoming Lin . Mechanistic analysis of Co2VO4/X (X = Ni, C) heterostructures as anode materials of lithium-ion batteries. Chinese Journal of Structural Chemistry, 2024, 43(7): 100309-100309. doi: 10.1016/j.cjsc.2024.100309
5. [5]
  Yue Wang , Caixia Xu , Xingtao Tian , Siyu Wang , Yan Zhao . Challenges and Modification Strategies of High-Voltage Cathode Materials for Li-ion Batteries. Chinese Journal of Structural Chemistry, 2023, 42(10): 100167-100167. doi: 10.1016/j.cjsc.2023.100167
6. [6]
  Zeyu XU , Tongzhou LU , Haibo SHAO , Jianming WANG . Preparation and electrochemical lithium storage performance of porous silicon microsphere composite with metal modification and carbon coating. Chinese Journal of Inorganic Chemistry, 2024, 40(10): 1995-2008. doi: 10.11862/CJIC.20240164
7. [7]
  Yun Wei , Lei Zhou , Wenbin Hu , Liming Yang , Guang Yang , Chaoqiang Wang , Hui Shi , Fei Han , Yufa Feng , Xuan Ding , Penghui Shao , Xubiao Luo . Recovery of cathode copper and ternary precursors from CuS slag derived by waste lithium-ion batteries: Process analysis and evaluation. Chinese Chemical Letters, 2024, 35(7): 109172-. doi: 10.1016/j.cclet.2023.109172
8. [8]
  Bing Jiang , Gang Zou , Bi Luo , Yan Guo , Jingru Li , Wendi Zhang , Qianxiao Fan , Lehao Liu , Lihua Chu , Qiaobao Zhang , Meicheng Li . Enhanced electrochemical performance of lithium-rich layered oxide materials: Exploring advanced coating strategies. Chinese Chemical Letters, 2025, 36(4): 109801-. doi: 10.1016/j.cclet.2024.109801
9. [9]
  Zhihong LUO , Yan SHI , Jinyu AN , Deyi ZHENG , Long LI , Quansheng OUYANG , Bin SHI , Jiaojing SHAO . Two-dimensional silica-modified polyethylene oxide solid polymer electrolyte to enhance the performance of lithium-ion batteries. Chinese Journal of Inorganic Chemistry, 2024, 40(5): 1005-1014. doi: 10.11862/CJIC.20230444
10. [10]
  Mei-Chen Liu , Qing-Song Liu , Yi-Zhou Quan , Jia-Ling Yu , Gang Wu , Xiu-Li Wang , Yu-Zhong Wang . Phosphorus-silicon-integrated electrolyte additive boosts cycling performance and safety of high-voltage lithium-ion batteries. Chinese Chemical Letters, 2024, 35(8): 109123-. doi: 10.1016/j.cclet.2023.109123
11. [11]
  Yuhan Wu , Qing Zhao , Zhijie Wang . Layered vanadium oxides: Promising cathode materials for calcium-ion batteries. Chinese Journal of Structural Chemistry, 2024, 43(5): 100271-100271. doi: 10.1016/j.cjsc.2024.100271
12. [12]
  Runjing Xu , Xin Gao , Ya Chen , Xiaodong Chen , Lifeng Cui . Research status and prospect of rechargeable magnesium ion batteries cathode materials. Chinese Chemical Letters, 2024, 35(11): 109852-. doi: 10.1016/j.cclet.2024.109852
13. [13]
  Fangling Cui , Zongjie Hu , Jiayu Huang , Xiaoju Li , Ruihu Wang . MXene-based materials for separator modification of lithium-sulfur batteries. Chinese Journal of Structural Chemistry, 2024, 43(7): 100337-100337. doi: 10.1016/j.cjsc.2024.100337
14. [14]
  Ruofan Yin , Zhaoxin Guo , Rui Liu , Xian-Sen Tao . Ultrafast synthesis of Na₃V₂(PO₄)₃ cathode for high performance sodium-ion batteries. Chinese Chemical Letters, 2025, 36(2): 109643-. doi: 10.1016/j.cclet.2024.109643
15. [15]
  Na Li , Wenxue Wang , Peng Wang , Zhanying Sun , Xinlong Tian , Xiaodong Shi . Dual-defect engineering of catalytic cathode materials for advanced lithium-sulfur batteries. Chinese Chemical Letters, 2025, 36(3): 110731-. doi: 10.1016/j.cclet.2024.110731
16. [16]
  Lingjiang Kou , Yong Wang , Jiajia Song , Taotao Ai , Wenhu Li , Mohammad Yeganeh Ghotbi , Panya Wattanapaphawong , Koji Kajiyoshi . Mini review: Strategies for enhancing stability of high-voltage cathode materials in aqueous zinc-ion batteries. Chinese Chemical Letters, 2025, 36(1): 110368-. doi: 10.1016/j.cclet.2024.110368
17. [17]
  Fan Wu , Shaoyang Wu , Xin Ye , Yurong Ren , Peng Wei . Research progress of high-entropy cathode materials for sodium-ion batteries. Chinese Chemical Letters, 2025, 36(4): 109851-. doi: 10.1016/j.cclet.2024.109851
18. [18]
  Ziling Jiang , Shaoqing Chen , Chaochao Wei , Ziqi Zhang , Zhongkai Wu , Qiyue Luo , Liang Ming , Long Zhang , Chuang Yu . Enabling superior electrochemical performance of NCA cathode in Li_5.5PS_4.5Cl_1.5-based solid-state batteries with a dual-electrolyte layer. Chinese Chemical Letters, 2024, 35(4): 108561-. doi: 10.1016/j.cclet.2023.108561
19. [19]
  Jiayu Bai , Songjie Hu , Lirong Feng , Xinhui Jin , Dong Wang , Kai Zhang , Xiaohui Guo . Manganese vanadium oxide composite as a cathode for high-performance aqueous zinc-ion batteries. Chinese Chemical Letters, 2024, 35(9): 109326-. doi: 10.1016/j.cclet.2023.109326
20. [20]
  Yuting ZHANG , Zunyi LIU , Ning LI , Dongqiang ZHANG , Shiling ZHAO , Yu ZHAO . Nickel vanadate anode material with high specific surface area through improved co-precipitation method: Preparation and electrochemical properties. Chinese Journal of Inorganic Chemistry, 2024, 40(11): 2163-2174. doi: 10.11862/CJIC.20240204