PREPARATION OF ION-MEMORIZING ION EXCHANGE INORGANIC MEMBRANE

离子记忆离子交换无机膜的制备

• 批准号: 07805069
• 负责人: OHYA Haruhiko
• 金额: $ 1.22万
• 依托单位: YOKOHAMA NATIONAL UNIVERSITY
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 1995
• 资助国家: 日本
• 起止时间: 1995 至 1996
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-07805069/
• 关键词: LITHIUM; SILAN COUPLING AGENT; ION EXCHANGE MEMBRANE; MANGANESE OXIDE; マンガン酸化物; 金属アルコキシド法; ゾル・ゲル法; ゾル‐ゲル法

Recently the application of ion exchange membranes has enlarged greatly and the development of high performance ion exchange membranes has been necessary. Inorganic ion exchange membranes can be suitable in price and performance.The object of this study was to prepare and evaluate the inorganic anion exchange membrane from metal alkoxides. First, the preparation of inorganic-organic composite membrane using silan coupling agents was tried. The best membrane showed anion exchange capacity with static transport number, area resistivity and anion exchange capacity of 0.86 [-], 75 [OMEGA・cm^2] and 6.2*10^<-3> [meq/cm^2] respectively.Then the preparation of lithium ion-memorizing ion exchange inorganic membrane was tried. As a result, membranes of spinel structure manganese oxide showed efficient lithium ion permselectivity. By improving preparation conditions, the performance of lithium ion-memorizing ion exchange inorganic membrane was as follows ;lithium ion permselective coefficient compared to sodium ion : 5.26 [-]static transport number : 0.75[-]area resistivity : 49.8 [OMEGA・cm^2]anion exchange capacity : 2.6*10^<-2> [meq/cm^2]

近年来，离子交换膜的应用范围不断扩大，开发高性能的离子交换膜势在必行。无机离子交换膜在价格和性能上都是合适的，本研究的目的是以金属醇盐为原料制备无机阴离子交换膜，并对其性能进行评价。首先，尝试用硅烷偶联剂制备无机-有机复合膜。最佳膜的阴离子交换容量分别为0.86 [-]、75 [Ω·cm ^2]和6.2 × 10^<-3>[meq/cm ^2]。结果，尖晶石结构锰氧化物膜显示出有效的锂离子选择透过性。通过对制备条件的改进，得到了锂离子记忆无机离子交换膜的性能：锂离子相对于钠离子的选择透过系数：5.26 [-]静态迁移数：0.75[-]面积电阻率：49.8 [Ω·cm ^2]阴离子交换容量：2.6*10^<-2>[meq/cm ^2]

项目成果

H.Ohya: "Propcrties of new ionrganic membranes prepared by metal alkoxide methods Part.1 : Ancw permselcetive cation exchange membrane based on Si/Ta oxides" Journal of membrane Science. 105. 103-112 (1995)

H.Ohya：“通过金属醇盐方法制备的新型离子膜的性质第1部分：基于Si/Ta氧化物的Ancw选择性渗透阳离子交换膜”膜科学杂志。

H.Ohya: "Part I : A new permselective cation exchange membrane based on Si/Ta oxides Properties of new inorganic membranes prepared by metal alkoxide methods" Jounal of membrane Science. 105. 103-112 (1995)

H.Ohya：“第一部分：基于Si/Ta氧化物的新型选择性渗透阳离子交换膜通过金属醇盐方法制备的新型无机膜的性能”膜科学杂志。

M. Kogure: "Properites of new inorganic membranes prepared by metal alkoxide methods Part II : New inorganic organic anion exchange membranes prepared by modified metal alkoxide methods with silane coupling agents" Jounal of membrane Scienc. (in press). (

M. Kogure：“金属醇盐法制备的新型无机膜的性质第二部分：硅烷偶联剂改性金属醇盐法制备的新型无机有机阴离子交换膜”膜科学杂志。