BLEND MEMBRANES FOR DIRECT METHANOL AND PROTON EXCHANGE MEMBRANE FUEL CELLS

Perumal Bhavani; Dharmalingam Sangeetha

doi:10.1007/s10118-012-1146-y

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BLEND MEMBRANES FOR DIRECT METHANOL AND PROTON EXCHANGE MEMBRANE FUEL CELLS

PAPER | Updated：2023-01-03

- BLEND MEMBRANES FOR DIRECT METHANOL AND PROTON EXCHANGE MEMBRANE FUEL CELLS
- Chinese Journal of Polymer Science Vol. 30, Issue 4, Pages: 548-560(2012)
- Affiliations：
  
  Department of Chemistry, Anna University, Chennai 25, India
- Author bio：
  
  **Dharmalingam Sangeetha, E-mail: sangeetha@annauniv.edu
- Funds：
- DOI：10.1007/s10118-012-1146-y
  CLC：
- Received：20 September 2011，
  
  Revised：2011-11-25，
  
  Accepted：01 December 2011，
  
  Published：2012-07
- Accepted：
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Perumal Bhavani, Dharmalingam Sangeetha. BLEND MEMBRANES FOR DIRECT METHANOL AND PROTON EXCHANGE MEMBRANE FUEL CELLS[J]. Chinese Journal of Polymer Science, 2012, 30(4): 548-560.
DOI：

Perumal Bhavani, Dharmalingam Sangeetha. BLEND MEMBRANES FOR DIRECT METHANOL AND PROTON EXCHANGE MEMBRANE FUEL CELLS[J]. Chinese Journal of Polymer Science, 2012, 30(4): 548-560. DOI： 10.1007/s10118-012-1146-y.

摘要

Abstract

Sulphonated polystyrene ethylene butylene polystyrene (SPSEBS) prepared with 35% sulphonation was found to be highly elastic and enlarged up to 300%-400% of its initial length. It absorbed over 110% of water by weight. A major drawback of this membrane is its poor mechanical properties which are not adequate for use as polymer electrolytes in fuel cells. To overcome this

SPSEBS was blended with poly(vinylidene fluoride) (PVDF)

a hydrophobic polymer. The blend membranes showed better mechanical properties than the base polymer. The effect of PVDF content on water uptake

ion exchange capacity and proton conductivity of the blend membranes was investigated. This paper presents the results of recent studies applied to develop an optimized in-house membrane electrode assembly (MEA) preparation technique combining catalyst ink spraying and assembly hot pressing. Easy steps were chosen in this preparation technique in order to simplify the method

aiming at cost reduction. The open circuit voltage for the cell with SPSEBS is 0.980 V which is higher compared to that of the cell with Nafion 117 (0.790 V). From this study

it is concluded that a polymer electrolyte membrane suitable for proton exchange membrane fuel cell (PEMFC) and direct methanol fuel cell (DMFC) application can be obtained by blending SPSEBS and PVDF in appropriate proportions. The methanol permeability and selectivity showed a strong influence on DMFC performance.

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