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Attempts to innovative solutions regarding research and development of fuel cells and batteries
KTH, Superseded Departments, Chemical Engineering and Technology.
2001 (English)Licentiate thesis, comprehensive summary (Other scientific)
Place, publisher, year, edition, pages
Stockholm: KTH , 2001. , 18 p.
Series
Trita-KET, ISSN 1104-3466 ; 151
Keyword [en]
Fuel cells, Battries, Electrodes, Micro-technique, Agglomerate, Innovative
National Category
Chemical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-1375ISBN: 91-7283-204-5 (print)OAI: oai:DiVA.org:kth-1375DiVA: diva2:7226
Presentation
(English)
Note
QC 20100520Available from: 2002-01-23 Created: 2002-01-23 Last updated: 2010-05-20Bibliographically approved
List of papers
1. a sealed rechargeable metal-oxygen battery for traction purposes
Open this publication in new window or tab >>a sealed rechargeable metal-oxygen battery for traction purposes
1980 (English)In: Journal of Power Sources, ISSN 0378-7753, E-ISSN 1873-2755, Vol. 8, 513-521 p.Article in journal (Refereed) Published
Abstract [en]

A prototype of a sealed, rechargeable iron-oxygen battery that is based on a new oxygen electrode design is described, noting that the electrode design has made it possible to considerably simplify construction. It is pointed out that the oxygen electrode can be described as a self-breathing oxygen pocket electrode. It reaches 2 cm above the electrolyte in the battery and is fed with oxygen at the top of the battery by virtue of the pressure difference between the top of the electrode and the bottom.

Place, publisher, year, edition, pages
London: Academic Press, 1980
National Category
Natural Sciences
Identifiers
urn:nbn:se:kth:diva-12976 (URN)
Note
QC 20100520Available from: 2010-05-20 Created: 2010-05-20 Last updated: 2017-12-12Bibliographically approved
2. A METHOD FOR STUDYING MICROELECTRODES BY MEANS OF MICROMANIPULATORS AS APPLIED TO CARBON AGGLOMERATES FROM OXYGEN REDUCTION ELECTRODE CATALYST
Open this publication in new window or tab >>A METHOD FOR STUDYING MICROELECTRODES BY MEANS OF MICROMANIPULATORS AS APPLIED TO CARBON AGGLOMERATES FROM OXYGEN REDUCTION ELECTRODE CATALYST
1990 (English)In: Journal of the Electrochemical Society, ISSN 0013-4651, E-ISSN 1945-7111, Vol. 137, no 1, 363-365 p.Article in journal (Refereed) Published
Place, publisher, year, edition, pages
PENNINGTON, NJ: ELECTROCHEMICAL SOC INC, 1990
National Category
Chemical Engineering
Identifiers
urn:nbn:se:kth:diva-12977 (URN)A1990CH81500083 ()
Note
QC 20100520Available from: 2010-05-20 Created: 2010-05-20 Last updated: 2017-12-12Bibliographically approved
3. electrochemical investigation of microagglomerates from fc-cathodes
Open this publication in new window or tab >>electrochemical investigation of microagglomerates from fc-cathodes
1990 (English)In: 1990 Fuel cell seminar, 1990, 419-421 p.Conference paper, Published paper (Refereed)
Identifiers
urn:nbn:se:kth:diva-12978 (URN)
Conference
1990 Fuel Cell Seminar in Phoenix, Arizona
Note
QC 20100520Available from: 2010-05-20 Created: 2010-05-20 Last updated: 2010-05-20Bibliographically approved
4. Electrochemical characterization of PVDF-based proton conducting membranes for fuel cells
Open this publication in new window or tab >>Electrochemical characterization of PVDF-based proton conducting membranes for fuel cells
Show others...
1998 (English)In: Electrochimica Acta, ISSN 0013-4686, E-ISSN 1873-3859, Vol. 43, 1881-1890 p.Article in journal (Refereed) Published
Abstract [en]

The electrochemical characterization of proton-conducting membranes prepared by irradiation-induced grafting and subsequent sulfonation of PVDF films has been performed. In particular, measurements of the ionic conductivity, oxygen solubility and diffusion in the membranes are presented, as well as kinetic data for the oxygen reduction reaction in a membrane-platinum system and a simulation of the performance of these PVDF-g-PSSA membranes in a solid polymer electrolyte fuel cell using a microcathode technique. At sufficient degrees of grafting (>40%) the conductivity reaches 0.1 Scm−1, well above that of Nafion 117 (DuPont). The PVDF-g-PSSA membranes show lower solubilities and higher diffusion coefficients of oxygen and a higher water uptake than Nafion 117. The microcathode measurements indicate that those PVDF-g-PSSA membranes which have a conductivity higher than that of Nafion 117 may also give improved performance in fuel cell conditions provided that they have the necessary mechanical and chemical stability.

Keyword
proton conducting membrane, oxygen solubility, oxygen diffusion, microcathode, fuel cell
National Category
Chemical Engineering
Identifiers
urn:nbn:se:kth:diva-12979 (URN)10.1016/S0013-4686(97)10005-6 (DOI)
Note

QC 20100520

Available from: 2010-05-20 Created: 2010-05-20 Last updated: 2017-12-12Bibliographically approved

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