壳聚糖固体聚合物电池用膜  

Chitosan-Based Solid Polyelectrolyte Membranes for Cell Application

作　　者：崔铮[1] 相艳[1] 张涛[1] 

机构地区：[1]北京航空航天大学材料科学与工程学院,北京100083

出　　处：《化学进展》2007年第4期583-589,共7页Progress in Chemistry

基　　金：国家自然科学基金项目(No.20403002)资助

摘　　要：壳聚糖是甲壳素脱乙酰基的产物,具有良好的成膜性、生物相容性、环保以及价格低廉等特点。作为一种碱性高分子膜材料,近年来已成为聚电解质研究领域中的研究热点。本文综述了壳聚糖固体聚合物电池用膜的研究现状,其改性工艺主要包括共混、化学改性、质子酸掺杂、无机盐掺杂等方法,比较了各种工艺处理后壳聚糖固体聚合物电解质膜的性能差异,并就壳聚糖固体聚合物电解质膜中离子传导机理中有待解决的问题进行探讨,并提出了进一步改进壳聚糖固体聚合物电解质膜性能的研究思路。Chitosan （N-acetylated chitin ） is an alkaline polymer membrane material which is biocompatible, nontoxic, natural, environmentally friendly, and low cost. It has been widely studied for use as a polyelectrolyte material. This paper reviews the applications of chitosan-based solid polyelectrolyte membranes in fuel cells. Methods for preparing chitosan membranes are discussed which include blending, chemical derivatization, and doping with proton acids or inorganic salts. The effects of these modifications on the performance of various chitosan-based membranes are described. Some unsolved problems in proton conductivity mechanism studies are mentioned. Some directions for future research on chitosan-based membranes as a polyelectrolyte material are also suggested.

关 键 词：壳聚糖膜 改性 聚电解质 燃料电池 电导率 

分 类 号：O636[理学—高分子化学] TM911.4[理学—化学]