polymer electrolyte;
transport properties;
transference number;
Raman spectroscopy;
diffusion;
D O I:
10.1016/S0013-4686(97)10069-X
中图分类号:
O646 [电化学、电解、磁化学];
学科分类号:
081704 ;
摘要:
Straightforward electrochemical methods for determining the transport properties (bulk ionic conductivity, salt diffusion coefficient, and cation transference number) of polymer electrolytes are described herein. The new technique for measuring t(+)(0) is:based on concentrated solution theory, and requires no assumptions to be made concerning ideality of the solution. The experimental methods are described and results on representative polymer electrolyte systems are presented in this paper. Cation transference numbers are found to be salt-concentration; dependent and considerably less than unity or even negative over a wide concentration range. This implies that the cationic current is mainly carried by complexed ions. The presence of associated ionic species in the present systems is confirmed by Raman spectroscopic evidence. Finally, the practical effects of a negative t(+)(0) on cell operation and implications for device design are discussed. (C) 1998 Published by Elsevier Science Ltd. All rights reserved.
机构:
UNIV GUELPH,GUELPH WATERLOO PROGRAM GRAD WORK PHYS,DEPT PHYS,GUELPH N1G 2W1,ONTARIO,CANADAUNIV GUELPH,GUELPH WATERLOO PROGRAM GRAD WORK PHYS,DEPT PHYS,GUELPH N1G 2W1,ONTARIO,CANADA
ALBINSSON, I
MELLANDER, BE
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UNIV GUELPH,GUELPH WATERLOO PROGRAM GRAD WORK PHYS,DEPT PHYS,GUELPH N1G 2W1,ONTARIO,CANADAUNIV GUELPH,GUELPH WATERLOO PROGRAM GRAD WORK PHYS,DEPT PHYS,GUELPH N1G 2W1,ONTARIO,CANADA
MELLANDER, BE
STEVENS, JR
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UNIV GUELPH,GUELPH WATERLOO PROGRAM GRAD WORK PHYS,DEPT PHYS,GUELPH N1G 2W1,ONTARIO,CANADAUNIV GUELPH,GUELPH WATERLOO PROGRAM GRAD WORK PHYS,DEPT PHYS,GUELPH N1G 2W1,ONTARIO,CANADA
机构:
ECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCEECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCE
BERTHIER, C
GORECKI, W
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ECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCEECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCE
GORECKI, W
MINIER, M
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h-index: 0
机构:
ECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCEECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCE
MINIER, M
ARMAND, MB
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ECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCEECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCE
ARMAND, MB
CHABAGNO, JM
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ECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCEECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCE
CHABAGNO, JM
RIGAUD, P
论文数: 0引用数: 0
h-index: 0
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ECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCEECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCE
机构:
UNIV GUELPH,GUELPH WATERLOO PROGRAM GRAD WORK PHYS,DEPT PHYS,GUELPH N1G 2W1,ONTARIO,CANADAUNIV GUELPH,GUELPH WATERLOO PROGRAM GRAD WORK PHYS,DEPT PHYS,GUELPH N1G 2W1,ONTARIO,CANADA
ALBINSSON, I
MELLANDER, BE
论文数: 0引用数: 0
h-index: 0
机构:
UNIV GUELPH,GUELPH WATERLOO PROGRAM GRAD WORK PHYS,DEPT PHYS,GUELPH N1G 2W1,ONTARIO,CANADAUNIV GUELPH,GUELPH WATERLOO PROGRAM GRAD WORK PHYS,DEPT PHYS,GUELPH N1G 2W1,ONTARIO,CANADA
MELLANDER, BE
STEVENS, JR
论文数: 0引用数: 0
h-index: 0
机构:
UNIV GUELPH,GUELPH WATERLOO PROGRAM GRAD WORK PHYS,DEPT PHYS,GUELPH N1G 2W1,ONTARIO,CANADAUNIV GUELPH,GUELPH WATERLOO PROGRAM GRAD WORK PHYS,DEPT PHYS,GUELPH N1G 2W1,ONTARIO,CANADA
机构:
ECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCEECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCE
BERTHIER, C
GORECKI, W
论文数: 0引用数: 0
h-index: 0
机构:
ECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCEECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCE
GORECKI, W
MINIER, M
论文数: 0引用数: 0
h-index: 0
机构:
ECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCEECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCE
MINIER, M
ARMAND, MB
论文数: 0引用数: 0
h-index: 0
机构:
ECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCEECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCE
ARMAND, MB
CHABAGNO, JM
论文数: 0引用数: 0
h-index: 0
机构:
ECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCEECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCE
CHABAGNO, JM
RIGAUD, P
论文数: 0引用数: 0
h-index: 0
机构:
ECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCEECOLE NATL SUPER ELECTROCHIM & ELECTROMET GRENOBLE,ENERGET ELECTROCHIM LAB,F-38402 ST MARTIN HERES,FRANCE