Role of post-sulfonation of poly(ether ether sulfone) in proton conductivity and chemical stability of its proton exchange membranes for fuel cell
Commercially available poly(ether ether sulfone), PEES, was directly sulfonated using concentrated sulfuric acid at low temperatures by minimizing degradation during sulfonation. The sulfonation reaction was performed in the temperature range of 5–25 °C. Sulfonated polymers were characterized by FTI...
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| Veröffentlicht in: | International journal of hydrogen energy 2010-04, Vol.35 (8), p.3736-3744 |
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| creator | Unveren, Elif Erdal Erdogan, Tuba Çelebi, Serdar S. Inan, Tulay Y. |
| description | Commercially available poly(ether ether sulfone), PEES, was directly sulfonated using concentrated sulfuric acid at low temperatures by minimizing degradation during sulfonation. The sulfonation reaction was performed in the temperature range of 5–25
°C. Sulfonated polymers were characterized by FTIR,
1H NMR spectroscopy and ion exchange capacity (IEC) measurements. Degradation during sulfonation was investigated by measuring intrinsic viscosity, glass transition temperature and thermal decomposition temperature of sulfonated polymers. Sulfonated PEES, SPEES, membranes were prepared by solvent casting method and characterized in terms of IEC, proton conductivity and water uptake. The effect of sulfonation conditions on chemical stability of membranes was also investigated via Fenton test. Optimum sulfonation condition was determined to be 10
°C with conc. H
2SO
4 based on the characteristics of sulfonated polymers and also the chemical stability of their membranes. SPEES membranes exhibited proton conductivity up to 185.8
mS
cm
−1 which is higher than that of Nafion 117 (133.3
mS
cm
−1) measured at 80
°C and relative humidity 100%. |
| doi_str_mv | 10.1016/j.ijhydene.2010.01.041 |
| format | Article |
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°C. Sulfonated polymers were characterized by FTIR,
1H NMR spectroscopy and ion exchange capacity (IEC) measurements. Degradation during sulfonation was investigated by measuring intrinsic viscosity, glass transition temperature and thermal decomposition temperature of sulfonated polymers. Sulfonated PEES, SPEES, membranes were prepared by solvent casting method and characterized in terms of IEC, proton conductivity and water uptake. The effect of sulfonation conditions on chemical stability of membranes was also investigated via Fenton test. Optimum sulfonation condition was determined to be 10
°C with conc. H
2SO
4 based on the characteristics of sulfonated polymers and also the chemical stability of their membranes. SPEES membranes exhibited proton conductivity up to 185.8
mS
cm
−1 which is higher than that of Nafion 117 (133.3
mS
cm
−1) measured at 80
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°C. Sulfonated polymers were characterized by FTIR,
1H NMR spectroscopy and ion exchange capacity (IEC) measurements. Degradation during sulfonation was investigated by measuring intrinsic viscosity, glass transition temperature and thermal decomposition temperature of sulfonated polymers. Sulfonated PEES, SPEES, membranes were prepared by solvent casting method and characterized in terms of IEC, proton conductivity and water uptake. The effect of sulfonation conditions on chemical stability of membranes was also investigated via Fenton test. Optimum sulfonation condition was determined to be 10
°C with conc. H
2SO
4 based on the characteristics of sulfonated polymers and also the chemical stability of their membranes. SPEES membranes exhibited proton conductivity up to 185.8
mS
cm
−1 which is higher than that of Nafion 117 (133.3
mS
cm
−1) measured at 80
°C and relative humidity 100%.</description><subject>Applied sciences</subject><subject>Corrosion resistance</subject><subject>Degradation</subject><subject>Energy</subject><subject>Energy. Thermal use of fuels</subject><subject>Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc</subject><subject>Ethers</subject><subject>Exact sciences and technology</subject><subject>Fuel cell</subject><subject>Fuel cells</subject><subject>Poly (ether ether sulfone)</subject><subject>Polyethylenes</subject><subject>Polymers</subject><subject>Proton exchange membrane</subject><subject>Proton exchange membrane fuel cells</subject><subject>Sulfonation</subject><subject>Sulfones</subject><subject>Uptakes</subject><issn>0360-3199</issn><issn>1879-3487</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqFUd2O1CAUJkYTx9VXMNwY9aIjlA6UO83Gv2QTE6PXhJ6eOkwojEA3O6_hE0vTXW-9geTw_R0-Ql5ytueMy3envTsdLyMG3LesDhnfs44_IjveK92IrlePyY4JyRrBtX5KnuV8Yowr1ukd-fM9eqRxoueYS5MXP8Vgi4thm_nLGyxHTHQ7t3d8S12g5xRLhUEM4wLF3bpyoTaMFI44O7Ce5mIH59dxlXIlPzDwDo42_EI64zwkGzDTKSY6LegpoPfPyZPJ-owv7u8r8vPTxx_XX5qbb5-_Xn-4aUCorjS95BpaYTUKLiXjcJgA1XRgAD1ve95pENiqTqpBsQG00gqt4oeh56OwCsQVeb3p1ly_F8zFzC6vAWqkuGSj2arbtW1Fyg0JKeaccDLn5GabLoYzs3ZgTuahA7N2YBg3tYNKfHVvYXP9kqluCy7_Y7etFLJTq8H7DYd131uHyWRwGABHlxCKGaP7n9VfGL2jLQ</recordid><startdate>20100401</startdate><enddate>20100401</enddate><creator>Unveren, Elif Erdal</creator><creator>Erdogan, Tuba</creator><creator>Çelebi, Serdar S.</creator><creator>Inan, Tulay Y.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SE</scope><scope>7SP</scope><scope>8FD</scope><scope>H8D</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20100401</creationdate><title>Role of post-sulfonation of poly(ether ether sulfone) in proton conductivity and chemical stability of its proton exchange membranes for fuel cell</title><author>Unveren, Elif Erdal ; Erdogan, Tuba ; Çelebi, Serdar S. ; Inan, Tulay Y.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c374t-8619c23a9e316601c5fce7f50cc8128149c3e27467b70bc9797ea715b81d3a7c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Applied sciences</topic><topic>Corrosion resistance</topic><topic>Degradation</topic><topic>Energy</topic><topic>Energy. Thermal use of fuels</topic><topic>Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc</topic><topic>Ethers</topic><topic>Exact sciences and technology</topic><topic>Fuel cell</topic><topic>Fuel cells</topic><topic>Poly (ether ether sulfone)</topic><topic>Polyethylenes</topic><topic>Polymers</topic><topic>Proton exchange membrane</topic><topic>Proton exchange membrane fuel cells</topic><topic>Sulfonation</topic><topic>Sulfones</topic><topic>Uptakes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Unveren, Elif Erdal</creatorcontrib><creatorcontrib>Erdogan, Tuba</creatorcontrib><creatorcontrib>Çelebi, Serdar S.</creatorcontrib><creatorcontrib>Inan, Tulay Y.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>International journal of hydrogen energy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Unveren, Elif Erdal</au><au>Erdogan, Tuba</au><au>Çelebi, Serdar S.</au><au>Inan, Tulay Y.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Role of post-sulfonation of poly(ether ether sulfone) in proton conductivity and chemical stability of its proton exchange membranes for fuel cell</atitle><jtitle>International journal of hydrogen energy</jtitle><date>2010-04-01</date><risdate>2010</risdate><volume>35</volume><issue>8</issue><spage>3736</spage><epage>3744</epage><pages>3736-3744</pages><issn>0360-3199</issn><eissn>1879-3487</eissn><coden>IJHEDX</coden><abstract>Commercially available poly(ether ether sulfone), PEES, was directly sulfonated using concentrated sulfuric acid at low temperatures by minimizing degradation during sulfonation. The sulfonation reaction was performed in the temperature range of 5–25
°C. Sulfonated polymers were characterized by FTIR,
1H NMR spectroscopy and ion exchange capacity (IEC) measurements. Degradation during sulfonation was investigated by measuring intrinsic viscosity, glass transition temperature and thermal decomposition temperature of sulfonated polymers. Sulfonated PEES, SPEES, membranes were prepared by solvent casting method and characterized in terms of IEC, proton conductivity and water uptake. The effect of sulfonation conditions on chemical stability of membranes was also investigated via Fenton test. Optimum sulfonation condition was determined to be 10
°C with conc. H
2SO
4 based on the characteristics of sulfonated polymers and also the chemical stability of their membranes. SPEES membranes exhibited proton conductivity up to 185.8
mS
cm
−1 which is higher than that of Nafion 117 (133.3
mS
cm
−1) measured at 80
°C and relative humidity 100%.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ijhydene.2010.01.041</doi><tpages>9</tpages></addata></record> |
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| ispartof | International journal of hydrogen energy, 2010-04, Vol.35 (8), p.3736-3744 |
| issn | 0360-3199 1879-3487 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Corrosion resistance Degradation Energy Energy. Thermal use of fuels Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc Ethers Exact sciences and technology Fuel cell Fuel cells Poly (ether ether sulfone) Polyethylenes Polymers Proton exchange membrane Proton exchange membrane fuel cells Sulfonation Sulfones Uptakes |
| title | Role of post-sulfonation of poly(ether ether sulfone) in proton conductivity and chemical stability of its proton exchange membranes for fuel cell |
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