1. INTRODUCTION Polymer electrolyte membrane fuel cells (PEMFCs) have increasingly
received worldwide attention because of their potential application in transportation and in …

Technologically advanced human societies require specialized tools and equipment to
enable their diverse and mobile activities. Portable electronic devices like laptop, PDA …

One can safely say that the impact of zeolites in science and technology in the last 50 years
has no precedents in the field of materials and catalysis. Although the first description of …

Zeolite films can be grown, either as individual crystals or as intergrown layers on a wide
variety of supports including metal surfaces, ceramic and polymeric plates, metallic wires …

The proton exchange membrane is one of the critical parts of a direct methanol fuel cell.
High proton conductivity and low methanol permeability are required. To enhance the …

A series of ion-exchange membranes for vanadium redox flow batteries (VRBs) are
prepared by filling the pores of a poly (tetrafluoroethylene)(PTFE) substrate with sulfonated …

This review article surveys the use of zeolites and mesoporous materials in fuel cell device
and, operations. Zeolites are increasingly used to modify and improve the fuel cell …

The aim of this work was to improve proton exchange membranes (PEMs) used in direct
methanol fuel cells (DMFCs). A membrane with a high proton conductivity and low methanol …

Cubic zeolite-A (LTA) is synthesized and ion-exchanged with Pt, Ni, Co and Ce ions
followed by reduction of Pt (IV) on the metal oxides (NiO, CoO and CeO 2) formed in the …

A series of cost-effective, proton-conducting composite membranes, comprising of Nafion®
ionomer, chitosan (CS), and polyvinyl alcohol (PVA), is successfully prepared. By taking …