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Our Approach to Electrocatalysis Research
Published on Mar 12, 202042 Views
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Chapter list
Our Approach to ElectroCatalysis Research Laboratory of ElectroCatalysis, Department of Materials Chemistry00:00
map00:24
Where we are?00:51
Laboratory of alysis01:05
Our general approach for materials development02:21
What we can learn from history?02:46
The „machinery“ that we use.03:49
Problem - Global Warming!04:01
Problems05:58
Solutions? - 108:20
Solutions? - 209:04
Solutions? - 309:21
Solutions? - 409:56
Solutions? - 511:07
Solutions? - 611:45
Proton exchange membrane fuel cell12:26
Proton exchange membrane electrolyzer13:34
What is a catalyst?14:52
Why electrocatalysis?15:32
What are nanoparticles17:18
Shape of (nano) particle is perfect - 118:12
Shape of (nano) particle is perfect - 218:45
What defines metal electrocatalyst activity? - 120:15
What defines metal electrocatalyst activity? - 221:07
Performance of catalysts21:20
Examples of our approaches21:59
Proton exchange membrane fuel cell22:24
Degradation of Pt-based fuel cell catalyst - 123:06
Degradation of Pt-based fuel cell catalyst - 223:59
One of our approaches - as a game - 125:05
One of our approaches - as a game - 226:16
One of our approaches - as a game - 326:37
One of our approaches - as a game - 426:49
Dealloying is selective removal of less noble metal.27:14
Dealloying is particle size dependant!28:02
Pot. Hold @ 1.2 V PtCu3 - 129:00
porosity coarsening - 129:53
porosity coarsening - 229:56
Pot. Hold @ 1.2 V PtCu3 - 230:21
PtCu3 dealloying – selective Cu dissolution - 130:52
PtCu3 dealloying – selective Cu dissolution - 231:41
What about atomic resolution? - 132:20
What about atomic resolution? - 232:31
One of our approaches - as a game - 133:24
One of our approaches - as a game - 234:33
Our feedback approach: ERC36:00
Identical location electron microscopy - 136:54
Identical location electron microscopy - 237:26
Identical location electron microscopy - 337:44
Identical location electron microscopy - 438:13
Identical location electron microscopy - 538:17
Identical location electron microscopy - 638:24
Identical location electron microscopy - 738:50
Identical location electron microscopy - 838:52
Identical location electron microscopy - 938:59
2010_Gasteiger_Shao_Platinum-Alloy Cathode Catalyst Degradation in Proton Exchange Membrane Fuel Cells: Nanometer-Scale Compositional and Morphological Changes39:05
Effect of temperature - 139:37
Effect of temperature - 239:40
Electrocatalyst online dissolution - ICP-MS39:42
Proton exchange membrane electrolyzer41:51
Degradation at high oxidative potentials? - 142:10
Degradation at high oxidative potentials? - 242:58
Degradation at high oxidative potentials? - 443:17
Degradation at high oxidative potentials? - 343:30
Degradation at high oxidative potentials? - 544:02
Degradation at high oxidative potentials? - 644:35
Degradation at high oxidative potentials? - 744:46
Degradation at high oxidative potentials? - 844:59
What about degradation at reductive potentials? - 145:13
Plasma Grown Vertically Aligned Graphene45:40
Increase of Electrodeposited Catalysts Stability via Plasma Grown Vertically Aligned Graphene Nanoparticles Movement Restriction! - 145:49
Increase of Electrodeposited Catalysts Stability via Plasma Grown Vertically Aligned Graphene Nanoparticles Movement Restriction! - 245:54
After electrochemical deposition45:56
There is something else occurring at negative potentials!46:04
What about degradation at reductive potentials? - 146:33
What about degradation at reductive potentials? - 246:54
What about degradation at reductive potentials? - 347:00
Thank you!47:40