Influence of TiO2 surface coating on the electrochemical properties of V2O5 micro-particles as a cathode material for lithium ion batteries

RSC Advances ◽  
2016 ◽  
Vol 6 (59) ◽  
pp. 53925-53932 ◽  
Author(s):  
Xiaowei Zhou ◽  
Taoling He ◽  
Xu Chen ◽  
Li Sun ◽  
Zhu Liu
Keyword(s):  
Lithium Ion Batteries ◽  
Surface Coating ◽  
Coating Layer ◽  
Lithium Ion ◽  
Protective Role ◽  
Tetrabutyl Titanate ◽  
Cyclic Stability ◽  
Tio2 Surface ◽  
Micro Particles

Based on V2O5 micro-particle, TiO2-coated V2O5 micro-particle was obtained by hydroxylation of tetrabutyl titanate, whose electrochemical cyclic stability as cathode for LIBs is improved due to the protective role of TiO2 coating layer.

Research Progress on Surface Coating Layers on the Positive Electrode for Lithium Ion Batteries

NANO ◽  
2018 ◽  
Vol 13 (11) ◽  
pp. 1830007 ◽  
Author(s):  
Zhen Dong Hao ◽  
Xiaolong Xu ◽  
Hao Wang ◽  
Jingbing Liu ◽  
Hui Yan
Keyword(s):  
Lithium Ion Batteries ◽  
Surface Coating ◽  
Electrode Materials ◽  
Coating Layer ◽  
Lithium Ion ◽  
High Energy ◽  
Positive Electrode ◽  
Research Progress ◽  
Coating Layers ◽  
Positive Electrode Materials

Lithium ion batteries (LIBs) are one of the most promising secondary batteries due to their advantages including long cycle life, high energy density, limited self-discharge, high operating voltage and environmental friendliness. The development of electrode materials is crucial for the further application of LIBs. There are many effective ways to enhance the performance of positive electrode materials of LIBs such as surface coating, ion doping, preparation of composite materials and nanosized materials and so forth. Among them, surface coating is considered to be a promising way to improve the electrochemical performance of LIBs. Surface coating can normally form a physical barrier or a doped surface layer to play favorable roles for the electrode materials, such as hindering side reactions between positive electrode materials and the electrolyte. In this paper, different kinds of surface coating layers will be discussed according to previous research, including carbon materials, metal oxides, metal fluorides, metal phosphates, nonmetal oxides, electrode materials coating layer, hybrid coating layer, polymer and so forth. In addition, the mechanism of these coating materials will be summarized, and the future development will be discussed in this paper.

The preparation and role of Li2ZrO3 surface coating LiNi0.5Co0.2Mn0.3O2 as cathode for lithium-ion batteries

2016 ◽  
Vol 361 ◽  
pp. 150-156 ◽  
Author(s):  
Yue Xu ◽  
Yang Liu ◽  
Zhongpei Lu ◽  
Haiying Wang ◽  
Deqin Sun ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
Surface Coating ◽  
Lithium Ion

Role of surface coating on cathode materials for lithium-ion batteries

2010 ◽  
Vol 20 (36) ◽  
pp. 7606 ◽  
Author(s):  
Zonghai Chen ◽  
Yan Qin ◽  
Khalil Amine ◽  
Y.-K. Sun
Keyword(s):  
Lithium Ion Batteries ◽  
Cathode Materials ◽  
Surface Coating ◽  
Lithium Ion

scholarly journals Improved electrochemical performance of 5 V spinel LiNi0.5Mn1.5O4 by La2O3 surface coating for Li-ion batteries

2018 ◽  
Vol 175 ◽  
pp. 01030 ◽  
Author(s):  
Aijia Wei ◽  
Wen Li ◽  
Lihui Zhang ◽  
Zhenfa Liu
Keyword(s):  
Electrochemical Performance ◽  
Lithium Ion Batteries ◽  
Surface Coating ◽  
Coating Layer ◽  
Lattice Structure ◽  
Lithium Ion ◽  
Electrode Polarization ◽  
Li Ion Batteries ◽  
Rate Capacity ◽  
Li Ion

LiNi0.5Mn1.5O4 coated with 1.5 wt.% La2O3 was prepared and investigated as cathode materials for lithium ion batteries. The samples was characterized by XRD, SEM and EDX. After the 1.5 wt.% La2O3 coating, the lattice structure of LiNi0.5Mn1.5O4 is not destroyed and a La2O3 coating layer has formed on the surface of LiNi0.5Mn1.5O4 particles. The 1.5 wt.% La2O3-coated LiNi0.5Mn1.5O4 exhibits a higher rate capacity, with discharge capacity between 3.5 and 5 V of 131.9, 127.1, 126.5, 120.7, 114.1 and 101.5 mAh g-1 at rates of 0.2, 0.5, 1, 2, 3 and 5 C (1 C = 140 mAh g-1), respectively. The results indicate that the La2O3 coating could reduce the electrode polarization and enhance the rate capacities.

Crucial role of water content on the electrochemical performance of α-Ni(OH)2 as an anode material for lithium-ion batteries

Ionics ◽  
2020 ◽  
Vol 27 (1) ◽  
pp. 65-74
Author(s):  
Jinhuan Yao ◽  
Yanwei Li ◽  
Renshu Huang ◽  
Jiqiong Jiang ◽  
Shunhua Xiao ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Lithium Ion Batteries ◽  
Water Content ◽  
Anode Material ◽  
Crucial Role ◽  
Lithium Ion
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