Electrochemical porosimetry

被引：55

作者：

Song, HK

Sung, JH

Jung, YH

Lee, KH

Dao, LH

Kim, MH

Kim, HN

机构：

[1] Pohang Univ Sci & Technol, Dept Chem Engn, Div Elect & Comp Engn, Pohang 790784, Kyungbuk, South Korea

[2] Inst Natl Rech Sci Energie & Mat, Varennes, PQ J3X 1S2, Canada

[3] LG Chem Ltd, Battery Res Inst, Taejon 305380, South Korea

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2004年 / 151卷 / 03期

关键词：

D O I：

10.1149/1.1641041

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

We have developed electrochemical porosimetry (ECP) for analyzing microstructures of porous electrodes in situ, which can give most meaningful geometric information in electrochemical systems. The methodology is based on a model that relates electrochemical impedance data with microstructural information. Pore length (l(p)), as well as pore size distribution could be obtained by fitting the model to the experimental impedance data of a porous electrode. This geometric information was validated for microporous, mesoporous, and macroporous samples. Also, the ECP could be used as a nondestructive probe to investigate the construction of electrochemical devices. (C) 2004 The Electrochemical Society.

引用

页码：E102 / E109

页数：8

共 40 条

[1]

BARD AJ, 1980, ELECTROCHEMICAL METH, P322

[2] THE DETERMINATION OF PORE VOLUME AND AREA DISTRIBUTIONS IN POROUS SUBSTANCES .1. COMPUTATIONS FROM NITROGEN ISOTHERMS [J].