Ion Transport in Alumina-Pillared Zirconium Phosphate

1992 ◽  
Vol 286 ◽  
Author(s):  
C. Criado ◽  
J.R. Ramos-Barrado ◽  
P. Maireles-Torres ◽  
P. Oliverapastor ◽  
A. Jimenez-Lopez ◽  
...  

ABSTRACTA.c. conductivity of a novel large-pore alumina-pillared zirconium phosphate and some lithium ion exchanged samples have been measured by an impedance method. These materials have a conductivity in the range 10-5 to 10-9 Ω-1cm-1 higher than those of alumina-pillared tin phosphate and its lithium derivatives. The electrical behaviour of the pillared zirconium phosphates fits to an equivalent circuit composed by two subcircuits in parallel with a condenser. In a temperature interval (200-500°C), lithium ions are charge carriers and the conductivity increases when heating with activation energies between 0.99 and 1.22 eV.

Carbon ◽  
2021 ◽  
Vol 176 ◽  
pp. 651
Author(s):  
Qi Liang ◽  
Er-hui Zhang ◽  
Guang Yan ◽  
Yong-zhen Yang ◽  
Wei-feng Liu ◽  
...  

2021 ◽  
Author(s):  
Weixin Zhang ◽  
Lin Wu ◽  
Dujin Qiao ◽  
Jie Tian ◽  
Yan Li ◽  
...  

Safety issues limit the large-scale application of lithium-ion batteries. In this work, a new type of N-H-microcapsule fire extinguishing agent is prepared by using melamine-urea-formaldehyde resin as shell material, perfluoro(2-methyl-3-pentanone)...


2015 ◽  
Vol 298 ◽  
pp. 8-13 ◽  
Author(s):  
Chihyun Hwang ◽  
Yoon-Gyo Cho ◽  
Na-Ri Kang ◽  
Younghoon Ko ◽  
Ungju Lee ◽  
...  

2017 ◽  
Vol 121 (33) ◽  
pp. 17641-17657 ◽  
Author(s):  
Kristina Sklepić ◽  
Radha D. Banhatti ◽  
Gregory Tricot ◽  
Petr Mošner ◽  
Ladislav Koudelka ◽  
...  

2015 ◽  
Vol 2015 ◽  
pp. 1-11 ◽  
Author(s):  
Cheng Lin ◽  
Aihua Tang ◽  
Hao Mu ◽  
Wenwei Wang ◽  
Chun Wang

Electrode material aging leads to a decrease in capacity and/or a rise in resistance of the whole cell and thus can dramatically affect the performance of lithium-ion batteries. Furthermore, the aging phenomena are extremely complicated to describe due to the coupling of various factors. In this review, we give an interpretation of capacity/power fading of electrode-oriented aging mechanisms under cycling and various storage conditions for metallic oxide-based cathodes and carbon-based anodes. For the cathode of lithium-ion batteries, the mechanical stress and strain resulting from the lithium ions insertion and extraction predominantly lead to structural disordering. Another important aging mechanism is the metal dissolution from the cathode and the subsequent deposition on the anode. For the anode, the main aging mechanisms are the loss of recyclable lithium ions caused by the formation and increasing growth of a solid electrolyte interphase (SEI) and the mechanical fatigue caused by the diffusion-induced stress on the carbon anode particles. Additionally, electrode aging largely depends on the electrochemical behaviour under cycling and storage conditions and results from both structural/morphological changes and side reactions aggravated by decomposition products and protic impurities in the electrolyte.


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