Malaysian Journal of Analytical Sciences Vol 26 No 3 (2022): 622 - 639

 

 

 

 

 

A REVIEW ON PREPARATION, MODIFICATION AND FUNDAMENTAL PROPERTIES OF SPEEK NANOCOMPOSITE PEM FOR DIRECT METHANOL FUEL CELL APPLICATIONS

 

(Satu Ulasan tentang Penyediaan, Pengubahsuaian dan Ciri Asas Komposit Nano Membran Elektrolit Polimer SPEEK untuk Aplikasi Sel Bahan Api)

 

Nor Fatina Raduwan and Norazuwana Shaari*

 

Fuel Cell Institute,

Universiti Kebangsaan Malaysia, Bangi, 43600 Selangor, Malaysia

 

*Corresponding author:  norazuwanashaari@ukm.edu.my

 

 

Received: 14 December 2021; Accepted: 3 February 2022; Published:  27 June 2022 

 

 

Abstract

Various types of promising proton exchange membrane (PEM) are based on thermoplastics due to their excellent conductivity, good thermal and chemical stability, high durability as well as low fabrication and material cost. Sulfonated poly (ether ether ketone) or SPEEK is one of the examples of thermoplastic polymer that has been sulfonated to enhance its fundamental properties. These properties can be altered and improved through the fabrication process and modifications of the membranes. Thus, current researches on combining SPEEK with other polymers and inorganic particles through various fabrication methods are discussed in this review. The characterization of SPEEK-based membrane in terms of its water uptake, methanol permeability, proton conductivity, thermal and mechanical stability are also included in the discussion. The impact of membrane modifications on the fundamental properties and comparison of different membrane preparation methods are addressed. In addition, the advantages and drawbacks of modified membranes are summarized.

 

Keywords:  SPEEK; polymer electrolyte membrane; fuel cell

 

Abstrak

Pelbagai jenis polimer elektrolit membran yang diyakini adalah daripada termoplastik disebabkan oleh kekonduksian yang cemerlang, kestabilan terma dan kimia yang baik, ketahanan yang tinggi dan kos bahan dan pembuatan yang rendah. Poli (eter eter keton) tersulfonat atau SPEEK adalah satu contoh polimer termoplastik yang telah disulfonasi untuk mempertingkatkan ciri asas seperti pengambilan air dan ketertelapan metanol yang rendah, meningkatkan kekonduksian proton dan mempunyai ketahanan dan kestabilan yang tinggi. Ciri-ciri ini boleh diubahsuai dan dipertingkat melalui proses fabrikasi dan pengubahsuaian ke atas membran. Oleh yang demikian, para penyelidik menggabungkan SPEEK dengan polimer jenis lain dan bahan tak organik melalui pelbagai cara fabrikasi telah dibincangkan dalam ulasan ini. Kesan daripada pengubahsuaian membrane k etas ciri-ciri asanya dan perbandingan cara penyediaan membrane turut dibincangkan. Seterusnya, kelebihan dan kekurangan membran terubahsuai turut diringkaskan.

 

Kata kunci:  SPEEK, membran elektrolit polimer, sel fuel

 

 

Graphical Abstract

 

 

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