Cloisite- and bentonite-based stable nanocomposite membranes for enhancement of direct methanol fuel cell applications

被引：3

作者：

Kumar, Vikas ^{[1
]}

GokulaKrishnan, S. A. ^{[1
]}

Arthanareeswaran, G. ^{[1
]}

Ismail, Ahmad Fauzi ^{[2
]}

Jaafar, Juhana ^{[2
]}

Das, Diganta Bhusan ^{[3
]}

Yogarathinam, Lukka Thuyavan ^{[1
,2
]}

机构：

[1] Natl Inst Technol, Dept Chem Engn, Membrane Res Lab, Tiruchirappalli 620015, India

[2] Univ Teknol Malaysia UTM, Adv Membrane Technol Res Ctr AMTEC, Johor Baharu 81310, Johor, Malaysia

[3] Loughborough Univ, Dept Chem Engn, Loughborough LE11 3TU, England

来源：

POLYMER BULLETIN | 2023年 / 80卷 / 12期

关键词：

Sulfonated polyether ether ketone; Nanoclays; Proton conductivity; Methanol permeability; PROTON-EXCHANGE MEMBRANE; POLYMER ELECTROLYTE MEMBRANES; ETHER ETHER KETONE; COMPOSITE MEMBRANES; NANOPARTICLES; SPEEK; MONTMORILLONITE; CONDUCTIVITY; PERFORMANCE;

D O I：

10.1007/s00289-022-04637-w

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Nanocomposite membranes of average thickness 100 mu m were successfully fabricated using a phase inversion method which involved use of sulfonated polyether ether ketone (SPEEK) incorporated with nanoclays of cloisite 30B and bentonite. The membranes were characterized for their organic functional groups, morphological structure, thermal and physical properties under the influences of cloisite 30B and bentonite addition in SPEEK matrix. The presence of nanoclays was confirmed by the changes observed in the membrane morphology and improved glass transition temperature in pristine SPEEK membrane. The fuel cell performance of the membranes was determined by their water uptake capacity, methanol permeability and proton conductivity. The 0.5 wt% addition of cloisite and bentonite in SPEEK showed 2.1% reduction of water uptake as compared to the pristine SPEEK membrane. The cloisite-added SPEEK membrane showed the average proton conductivity of 3.05 x 10(-5) S cm(-1) at 80 degrees C. Nevertheless, cloisite- and bentonite-incorporated SPEEK nanocomposite membranes demonstrated the reduced proton conductivity of 6.14% in the methanol permeability as compared to the pristine SPEEK membrane. Hence, the modified SPEEK nanocomposite membranes with cloisite and bentonite are being suggested to be a promising proton exchange membrane for direct methanol fuel cell.

引用

页码：13005 / 13023

页数：19

共 42 条

[11] Electrochemical investigation of sulfonated poly(ether ether ketone)/clay nanocomposite membranes for moderate temperature fuel cell applications [J].