Proton conducting polymer electrolytes based on phosphorylated phenol–formaldehyde resins
Phosphorylated phenol–formaldehyde (PPF) resins were synthesized and investigated as the acidic components of proton conducting polymer electrolytes. The synthesis of PPF resins was carried out by melt polycondensation of monophenyl phosphate and formaldehyde (in the form of trioxane). The structure...
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| Veröffentlicht in: | Journal of power sources 2006-09, Vol.159 (1), p.378-384 |
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| creator | KEDZIERSKI, Michał FLORJANCZYK, Zbigniew |
| description | Phosphorylated phenol–formaldehyde (PPF) resins were synthesized and investigated as the acidic components of proton conducting polymer electrolytes. The synthesis of PPF resins was carried out by melt polycondensation of monophenyl phosphate and formaldehyde (in the form of trioxane). The structure and molecular weight characterization of PPF resins were performed employing
1H-,
13C- and
31P-NMR spectroscopy, Fast Atom Bombardment mass spectrometry and elemental analysis. PPF resins may be cured with an excess of formaldehyde. Depending on the curing conditions, products of different crosslinking density (expressed by equilibrium swelling ratio) and total ion-exchange capacity up to 9
mequiv.
g
−1 may be obtained. The soluble and crosslinked PPF resins were examined from the viewpoint of conducting properties and hydrolytical stability. Crosslinked PPF resins embedded in poly(vinylidene fluoride) binder form ion-exchange membranes of ambient conductivities above 0.05
S
cm
−1. These composite membranes have been investigated in a methanol fuel cell and showed stable performance during several hours of cell operation. |
| doi_str_mv | 10.1016/j.jpowsour.2006.02.042 |
| format | Article |
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1H-,
13C- and
31P-NMR spectroscopy, Fast Atom Bombardment mass spectrometry and elemental analysis. PPF resins may be cured with an excess of formaldehyde. Depending on the curing conditions, products of different crosslinking density (expressed by equilibrium swelling ratio) and total ion-exchange capacity up to 9
mequiv.
g
−1 may be obtained. The soluble and crosslinked PPF resins were examined from the viewpoint of conducting properties and hydrolytical stability. Crosslinked PPF resins embedded in poly(vinylidene fluoride) binder form ion-exchange membranes of ambient conductivities above 0.05
S
cm
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1H-,
13C- and
31P-NMR spectroscopy, Fast Atom Bombardment mass spectrometry and elemental analysis. PPF resins may be cured with an excess of formaldehyde. Depending on the curing conditions, products of different crosslinking density (expressed by equilibrium swelling ratio) and total ion-exchange capacity up to 9
mequiv.
g
−1 may be obtained. The soluble and crosslinked PPF resins were examined from the viewpoint of conducting properties and hydrolytical stability. Crosslinked PPF resins embedded in poly(vinylidene fluoride) binder form ion-exchange membranes of ambient conductivities above 0.05
S
cm
−1. These composite membranes have been investigated in a methanol fuel cell and showed stable performance during several hours of cell operation.</description><subject>AC impedance</subject><subject>Applied sciences</subject><subject>DMFC</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>Exact sciences and technology</subject><subject>Fuel cells</subject><subject>Membranes</subject><subject>Phosphorylated phenol–formaldehyde resin</subject><subject>Proton conductivity</subject><issn>0378-7753</issn><issn>1873-2755</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNqFkM2OFCEQgInRxHHXVzB90Vu3BTQNc9Ns_Es20cPuaQ-EhmqHCdO0VI9mbr6Db-iTyGbWePRQIVV8VQUfYy84dBz48Hrf7Zf8g_KxdAJg6EB00ItHbMONlq3QSj1mG5DatFor-ZQ9I9oDAOcaNuzuS8lrnhuf53D0a5y_NktOpwOWBhP6tdRkRWpGRxiaCi67TDXKKbm1VpYdzjn9_vlryuXgUsDdKWBTkOJMl-zJ5BLh84fzgt2-f3dz9bG9_vzh09Xb69ZLLdc2yNGZXk1KjQ5GwCmgFNwbMRrHBbp6xaU0Q-_6oHujtBqGCbZKOudxGI28YK_Oc5eSvx2RVnuI5DElN2M-khVbJZTooYLDGfQlExWc7FLiwZWT5WDvXdq9_evS3ru0IGx1WRtfPmxw5F2aipt9pH_dRm77-q7KvTlzWL_7PWKx5CPOHkMsVaYNOf5v1R8FB5ID</recordid><startdate>20060913</startdate><enddate>20060913</enddate><creator>KEDZIERSKI, Michał</creator><creator>FLORJANCZYK, Zbigniew</creator><general>Elsevier B.V</general><general>Elsevier Sequoia</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>20060913</creationdate><title>Proton conducting polymer electrolytes based on phosphorylated phenol–formaldehyde resins</title><author>KEDZIERSKI, Michał ; FLORJANCZYK, Zbigniew</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c373t-d3ba845f55ba0b0efde321c82b8a12ea45f133864a4d74857566f0953aace6b83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>AC impedance</topic><topic>Applied sciences</topic><topic>DMFC</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>Exact sciences and technology</topic><topic>Fuel cells</topic><topic>Membranes</topic><topic>Phosphorylated phenol–formaldehyde resin</topic><topic>Proton conductivity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>KEDZIERSKI, Michał</creatorcontrib><creatorcontrib>FLORJANCZYK, Zbigniew</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of power sources</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>KEDZIERSKI, Michał</au><au>FLORJANCZYK, Zbigniew</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Proton conducting polymer electrolytes based on phosphorylated phenol–formaldehyde resins</atitle><jtitle>Journal of power sources</jtitle><date>2006-09-13</date><risdate>2006</risdate><volume>159</volume><issue>1</issue><spage>378</spage><epage>384</epage><pages>378-384</pages><issn>0378-7753</issn><eissn>1873-2755</eissn><coden>JPSODZ</coden><abstract>Phosphorylated phenol–formaldehyde (PPF) resins were synthesized and investigated as the acidic components of proton conducting polymer electrolytes. The synthesis of PPF resins was carried out by melt polycondensation of monophenyl phosphate and formaldehyde (in the form of trioxane). The structure and molecular weight characterization of PPF resins were performed employing
1H-,
13C- and
31P-NMR spectroscopy, Fast Atom Bombardment mass spectrometry and elemental analysis. PPF resins may be cured with an excess of formaldehyde. Depending on the curing conditions, products of different crosslinking density (expressed by equilibrium swelling ratio) and total ion-exchange capacity up to 9
mequiv.
g
−1 may be obtained. The soluble and crosslinked PPF resins were examined from the viewpoint of conducting properties and hydrolytical stability. Crosslinked PPF resins embedded in poly(vinylidene fluoride) binder form ion-exchange membranes of ambient conductivities above 0.05
S
cm
−1. These composite membranes have been investigated in a methanol fuel cell and showed stable performance during several hours of cell operation.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jpowsour.2006.02.042</doi><tpages>7</tpages></addata></record> |
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| identifier | ISSN: 0378-7753 |
| ispartof | Journal of power sources, 2006-09, Vol.159 (1), p.378-384 |
| issn | 0378-7753 1873-2755 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | AC impedance Applied sciences DMFC Energy Energy. Thermal use of fuels Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc Exact sciences and technology Fuel cells Membranes Phosphorylated phenol–formaldehyde resin Proton conductivity |
| title | Proton conducting polymer electrolytes based on phosphorylated phenol–formaldehyde resins |
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