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Next-Generation Patch-Management. Remediation, der Systemsanierer für ein sicheres Netzwerk
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Immobilienwirtschaft Teil II. Wohnungsangebot, Mietpreiskalkulation und Mietpreisbremse
Get PDFAnalysiert die Aktuelle Lage der Immobiienwirtschaft in Deutschland mit einem besonderen Fokus auf das Wohnungsangebot, Mietpreiskalkulation und Mietpreisbremse. Teil I in ReWir 42-201
Oxygen Plasma Activated Carbon Nanofibres as Electrode Material for Proton Exchange Membrane Fuel Cells
No full textTo further increase platinum utilisation in PEM fuel cells CNFs are investigated as catalyst support material due to the CNF’s high specific surface area. Furthermore, CNFs provide suitable properties concerning corrosion resistance as well as electrical conductivity in contrast to conventional carbon supports.
This work presents the results of an electrode preparation procedure based on O2 plasma activated CNFs. The plasma treatment leads to CNF dispersibility in alcohol/water for a spray coating process. Furthermore, O2 plasma activation enhances metal deposition on the CNF’s surface. Pulse plating procedure as well as wet chemical metal synthesis have been used for particle deposition. For pulse plating a potentiostat/galvanostat type MMates 510 AC from Materials Mates, Italy has been used. Electrode morphology has been determined in SEM type XL 30 ESEM from Philips, The Netherlands
