A study of the electrochemical behavior at low temperature of the Li3V2(PO4)3 cathode material for Li-ion batteries

2015 ◽  
Vol 39 (12) ◽  
pp. 9617-9626 ◽  
Author(s):  
Ling-Hua Tai ◽  
Qin Zhao ◽  
Li-Qun Sun ◽  
Li-Na Cong ◽  
Xing-Long Wu ◽  
...  
Keyword(s):  
Low Temperature ◽  
Cathode Material ◽  
Electrochemical Behavior ◽  
Li Ion Batteries ◽  
Li Ion

CNT coatings combined with an optimized electrolyte are introduced to improve the low temperature performances of Li3V2(PO4)3.

Low temperature properties of the Li[Li0.2Co0.4Mn0.4]O2 cathode material for Li-ion batteries

2011 ◽  
Vol 13 (9) ◽  
pp. 1016-1019 ◽  
Author(s):  
Zhe Li ◽  
Yuhui Wang ◽  
Xiaofei Bie ◽  
Kai Zhu ◽  
Chunzhong Wang ◽  
...  
Keyword(s):  
Low Temperature ◽  
Cathode Material ◽  
Li Ion Batteries ◽  
Li Ion

Low-Temperature Performance of the Li[Li0.2Co0.4Mn0.4]O2 Cathode Material Studied for Li-Ion Batteries

2011 ◽  
Vol 347-353 ◽  
pp. 3662-3665 ◽  
Author(s):  
Yu Hui Wang ◽  
Zhe Li ◽  
Kai Zhu ◽  
Gang Li ◽  
Ying Jin Wei ◽  
...  
Keyword(s):  
Low Temperature ◽  
Cathode Material ◽  
Room Temperature ◽  
Sol Gel ◽  
Cycle Performance ◽  
Li Ion Batteries ◽  
X Ray Diffraction ◽  
Capacity Retention ◽  
X Ray ◽  
Li Ion

The Li[Li0.2Co0.4Mn0.4]O2 cathode material was prepared by a sol-gel method. Combinative X-ray diffraction (XRD) studies showed that the material was a solid solution of LiCoO2 and Li2MnO3. The material showed a reversible discharge capacity of 155.0 mAhg−1 at -20 °C, which is smaller than that at room temperature (245.5 mAhg−1). However, the sample exhibited capacity retention of 96.3 % at -20 °C, only 74.2 % at 25 °C. The good electrochemical cycle performance at low temperature was due to the inexistence of Mn3+ in the material.

Synthesis of novel book-like K0.23V2O5 crystals and their electrochemical behavior in lithium batteries

2015 ◽  
Vol 51 (83) ◽  
pp. 15290-15293 ◽  
Author(s):  
Maowen Xu ◽  
Jin Han ◽  
Guannan Li ◽  
Yubin Niu ◽  
Sangui Liu ◽  
...  
Keyword(s):  
Cathode Material ◽  
Hydrothermal Method ◽  
Lithium Batteries ◽  
Electrochemical Behavior ◽  
Li Ion Batteries ◽  
Simple Hydrothermal Method ◽  
Li Ion ◽  
First Time

A novel book-like K0.23V2O5 crystal is obtained by a simple hydrothermal method and is explored as a cathode material for Li-ion batteries for the first time.

The electrochemical behavior of low-temperature synthesized FeSn2 nanoparticles as anode materials for Li-ion batteries

2011 ◽  
Vol 196 (16) ◽  
pp. 6768-6771 ◽  
Author(s):  
U.G. Nwokeke ◽  
R. Alcántara ◽  
J.L. Tirado ◽  
R. Stoyanova ◽  
E. Zhecheva
Keyword(s):  
Low Temperature ◽  
Electrochemical Behavior ◽  
Anode Materials ◽  
Li Ion Batteries ◽  
Li Ion

Low temperature performance of LiFePO4 cathode material for Li-ion batteries

2013 ◽  
Vol 563 ◽  
pp. 249-253 ◽  
Author(s):  
Wonyoung Chang ◽  
Su-Jin Kim ◽  
In-Tae Park ◽  
Byung-Won Cho ◽  
Kyung Yoon Chung ◽  
...  
Keyword(s):  
Low Temperature ◽  
Cathode Material ◽  
Li Ion Batteries ◽  
Temperature Performance ◽  
Lifepo4 Cathode ◽  
Li Ion ◽  
Low Temperature Performance

scholarly journals Electrochemical behavior of nanostructured MnO2/C (Vulcan®) composite in aqueous electrolyte LiNO3

2011 ◽  
Vol 65 (3) ◽  
pp. 287-293 ◽  
Author(s):  
Milica Vujkovic ◽  
Nikola Cvjeticanin ◽  
Nemanja Gavrilov ◽  
Ivana Stojkovic ◽  
Slavko Mentus
Keyword(s):  
Cathode Material ◽  
Discharge Capacity ◽  
Electrochemical Behavior ◽  
Aqueous Electrolyte ◽  
Lithium Ion ◽  
Electrolyte Solutions ◽  
Li Ion Batteries ◽  
Organic Electrolytes ◽  
Li Ion ◽  
Materials Used

The electrolytic solutions of contemporary Li-ion batteries are made exclusively with the organic solvents since anodic materials of these batteries have potentials with greater negativity than the potential of the water reduction, thus the organic electrolytes can withstand the voltages of 3-5 V that are characteristic for these batteries. Ever since it was discovered that some materials can electrochemically intercalate and deintercalate Li+ ions in aqueous solutions, numerous studies have been conducted with the aim of extending operational time of the aqueous Li-ion batteries. Manganese oxide has been studied as the electrode material in rechargeable lithium-ion batteries with organic electrolytes. In this paper its electrochemical behavior as an anode material in aqueous electrolyte solutions was examined. MnO2 as a component of nanodispersed MnO2/C (Vulcan?) composite was successfully synthesized hydrothermally. Electrochemical properties of this material were investigated in aqueous saturated LiNO3 solution by both cyclic voltammetry and galvanostatic charging/discharging (LiMn2O4 as cathode material) techniques. The obtained composite shows a relatively good initial discharge capacity of 96.5 mAh/g which, after 50th charging/discharging cycles, drops to the value of 57mAh/g. MnO2/C (Vulcan?) composite, in combination with LiMn2O4 as a cathode material, shows better discharge capacity compared to other anodic materials used in aqueous Li-ion batteries according to certain studies that have been conducted. Its good reversibility and cyclability, and the fact that hydrothermal method is simple and effective, makes MnO2/C(Vulcan?) composite a promising anodic material for aqueous Li-ion batteries.

Effect of Calcination Time on the Specific Capacities of LiNi0.4Co0.55Ti0.05O2 Cathode Materials

2014 ◽  
Vol 895 ◽  
pp. 351-354 ◽  
Author(s):  
Norlida Kamarulzaman ◽  
Azira Azahidi ◽  
Kelimah Elong ◽  
Nurul Atikah Mohd Mokhtar ◽  
Nurshafiza Mohdi
Keyword(s):  
Electrochemical Performance ◽  
Cathode Material ◽  
Electrochemical Behavior ◽  
Cathode Materials ◽  
Lower Cost ◽  
Li Ion Batteries ◽  
Calcination Time ◽  
Li Ion

One of the main goals for most of the research in advanced Li-ion batteries is to develop cathode materials with improvement on cost and toxicity. This is to replace the existing commercial cathode material, LiCoO2. LiNi0.4Co0.6O2 was introduced as one of the most promising candidates for a cathode material due to its lower cost and higher capacity compared with LiCoO2. Modification of cathode materials by substituting with other materials is one of the alternative ways to improve the electrochemical performance of the material. In this case, a little amount of Ti was substituted to replace Co in order to give the material LiNi0.4Co0.55Ti0.05O2. Results showed that the substituition of some Co with Ti improves the electrochemical behavior of the material.

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