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Helmly, Stefan
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1

Enveloping of catalyst powder by ionomer for dry spray coat..:

Talukdar, Krishan ; Helmly, Stefan ; Schulze, Mathias...
Journal of Power Sources.  424 (2019)  - p. 82-90 , 2019
Link: https://doi.org/10.1016/..
 
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2

Local impact of humidification on degradation in polymer el..:

Sanchez, Daniel G. ; Ruiu, Tiziana ; Biswas, Indro...
Journal of Power Sources.  352 (2017)  - p. 42-55 , 2017
Link: https://doi.org/10.1016/..
 
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3

Influence of the Distribution of Platinum Deposits on the P..:

Helmly, Stefan ; Ohnmacht, Benjamin ; Gazdzicki, Pawel...
Journal of The Electrochemical Society.  161 (2014)  14 - p. F1416-F1426 , 2014
Link: https://doi.org/10.1149/..
 
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4

Atomic force microscopy studies of conductive nanostructure..:

Hiesgen, Renate ; Helmly, Stefan ; Morawietz, Tobias...
Electrochimica Acta.  110 (2013)  - p. 292-305 , 2013
Link: https://doi.org/10.1016/..
 
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5

Atomic Force Microscopy Detection of Electronic Short-Circu..:

Morawietz, Tobias ; Hiesgen, Renate ; Helmly, Stefan..
ECS Transactions.  58 (2013)  1 - p. 1085-1096 , 2013
Link: https://doi.org/10.1149/..
 
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6

Influence of Platinum Precipitation on Properties and Degra..:

Helmly, Stefan ; Ohnmacht, Benjamin ; Hiesgen, Renate..
ECS Transactions.  58 (2013)  1 - p. 969-990 , 2013
Link: https://doi.org/10.1149/..
 
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7

Microscopic Investigation of Platinum Deposition in PEMFC C..:

Helmly, Stefan ; Hiesgen, Renate ; Morawietz, Tobias...
Journal of The Electrochemical Society.  160 (2013)  6 - p. F687-F697 , 2013
Link: https://doi.org/10.1149/..
 
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8

Microscopic Analysis of Current and Mechanical Properties o..:

Hiesgen, Renate ; Helmly, Stefan ; Galm, Ines...
Membranes.  2 (2012)  4 - p. 783-803 , 2012
Link: https://doi.org/10.3390/..
 
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9

Analysis of Aged Polymer Electrolyte Fuel Cell (PEFC) Compo..:

Hiesgen, Renate ; Wehl, Ines ; Helmly, Stefan...
ECS Transactions.  35 (2011)  34 - p. 259-269 , 2011
Link: https://doi.org/10.1149/..
 
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10

Atomic force microscopy and infrared analysis of aging proc..:

Hiesgen, Renate ; Wehl, Ines ; Helmly, Stefan...
Journal of Electroanalytical Chemistry.  662 (2011)  1 - p. 240-250 , 2011
Link: https://doi.org/10.1016/..
 
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11

Hydrophobicity Patterning of Gas Diffusion Media and Perfor..:

Biswas, Indro ; Gazdzicki, Pawel ; Helmly, Stefan.
https://elib.dlr.de/109673/1/BEC_Helsinki2016_GDLs3_A4.pdf.  , 2016
Link: https://elib.dlr.de/1096..
 
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12

Einfluss von Platin-Abscheidungen auf die Membrandegradatio..:

Helmly, Stefan
471126748.  , 2016
Link: https://doi.org/10.18419..
 
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13

Microscopic Analysis of Current and Mechanical Properties o..:

Hiesgen, Renate ; Helmly, Stefan ; Galm, Ines...
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC.  , 2012
Link: http://www.ncbi.nlm.nih...
 
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14

Microscopic Analysis of Current and Mechanical Properties o..:

K. Andreas Friedrich ; Michael Handl ; Tobias Morawietz...
http://www.mdpi.com/2077-0375/2/4/783.  , 2012
Link: https://doi.org/10.3390/..
 
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15

Microscopic Analysis of Current and Mechanical Properties o..:

Renate Hiesgen ; Stefan Helmly ; Ines Galm...
Membrane Applications.  , 2012
Link: https://doi.org/10.3390/..
 
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