Presentation is loading. Please wait.

Presentation is loading. Please wait.

Department of Interface Chemistry and Surface Engineering Electrocatalysis Group Düsseldorf, Germany International Conference on Combinatorial Materials.

Published byDerrick Newton Modified over 9 years ago

Similar presentations

Presentation on theme: "Department of Interface Chemistry and Surface Engineering Electrocatalysis Group Düsseldorf, Germany International Conference on Combinatorial Materials."— Presentation transcript:

1 Department of Interface Chemistry and Surface Engineering Electrocatalysis Group Düsseldorf, Germany International Conference on Combinatorial Materials Research, Ghent 02.06.2015 Jan–Philipp Grote, Aleksandar R. Zeradjanin, Serhiy Cherevko, Karl J.J. Mayrhofer E-mail: grote@mpie.de Electrochemical CO 2 Reduction A Combinatorial High-Throughput Approach for Catalytic Activity, Stability and Selectivity Investigations

2 Max-Planck-Institut für Eisenforschung GmbH, Germany International Conference on Combinatorial Materials Research, Ghent 02.06.2015 Intro Motivation Electrolyte Ions Aqueos- / non-aqueous Electrolytes Solved gases pH Impurities Operation conditions Potential / current EC technique Temperature Catalyst Composition Morphology Surface oxide Deposition of impurities Additional analysis Dissolution Product evolution Motivation SFC SFC-ICP-MS SFC-OLEMS Conclusion

3 Max-Planck-Institut für Eisenforschung GmbH, Germany International Conference on Combinatorial Materials Research, Ghent 02.06.2015 Intro Scanning flow cell Electrolyte supply Counter electrode Electrolyte outlet Reference electrode Silicon sealing 2mm Working electrode Ar Channel diameter: 0.2/0.4/1/3 mm Flow rate: 50-200 μl/min CE: Pt-wire or C-rod WE area: 0.13/0.25/1.1/10mm 2 RE: Ag/AgCl/3M KCl C. a. Laska et al., Electrochim. Acta, 159, 198–209 (2015) Motivation SFC SFC-ICP-MS SFC-OLEMS Conclusion

4 Max-Planck-Institut für Eisenforschung GmbH, Germany International Conference on Combinatorial Materials Research, Ghent 02.06.2015 Intro Fast screening of high surface area cats 0.5 mm 1 mm Motivation SFC SFC-ICP-MS SFC-OLEMS Conclusion

5 Max-Planck-Institut für Eisenforschung GmbH, Germany International Conference on Combinatorial Materials Research, Ghent 02.06.2015 Intro SFC - Fast Screening of Alloys Prof. Ludwig, Ruhr-Universität Bochum, Institute of Materials, Faculty of Mechanical Engineering 4-inch Si-wafer Argon atmosphere Magnetron sputter deposition Cu/Co Alloy Motivation SFC SFC-ICP-MS SFC-OLEMS Conclusion

6 Max-Planck-Institut für Eisenforschung GmbH, Germany International Conference on Combinatorial Materials Research, Ghent 02.06.2015 Intro SFC-ICP-MS Pt-Cu alloy Oxidation Reduction A. Schuppert, A.Topalov, A. Savan, A. Ludwig, and K. J. J. Mayrhofer, ChemElectroChem, 1, 358–361 (2014). A. A. Topalov et al., Angew. Chem. Int. Ed. Engl., 51, 12613–5 (2012). Motivation SFC SFC-ICP-MS SFC-OLEMS Conclusion

7 Max-Planck-Institut für Eisenforschung GmbH, Germany International Conference on Combinatorial Materials Research, Ghent 02.06.2015 Intro SFC-Online Electrochemical Mass Spectrometer Stability Selectivity J.-P. Grote, A. R. Zeradjanin, S. Cherevko, and K. J. J. Mayrhofer, Rev. Sci. Instrum., 85, 104101 (2014) Motivation SFC SFC-ICP-MS SFC-OLEMS Conclusion

8 Max-Planck-Institut für Eisenforschung GmbH, Germany International Conference on Combinatorial Materials Research, Ghent 02.06.2015 Intro SFC-OLEMS Motivation SFC SFC-ICP-MS SFC-OLEMS Conclusion

9 Max-Planck-Institut für Eisenforschung GmbH, Germany International Conference on Combinatorial Materials Research, Ghent 02.06.2015 Intro SFC-OLEMS J.-P. Grote, A. R. Zeradjanin, S. Cherevko, and K. J. J. Mayrhofer, Rev. Sci. Instrum., 85, 104101 (2014) Motivation SFC SFC-ICP-MS SFC-OLEMS Conclusion

10 Max-Planck-Institut für Eisenforschung GmbH, Germany International Conference on Combinatorial Materials Research, Ghent 02.06.2015 Intro CO 2 reduction Pd, Hg, In, Sn, Cd, Tl, Bi Cu Au, Ag, Zn Ni,Fe, Pt, Ti, Ga, Co HCOO - CO H2H2 Hydrocarbons CO 2 "Carbon cycle" by Diagram adapted from U.S. DOE, Biological and Environmental Research Information System. - http://earthobservatory.nasa.gov/Features/CarbonCycle/ Motivation SFC SFC-ICP-MS SFC-OLEMS Conclusion

11 Max-Planck-Institut für Eisenforschung GmbH, Germany International Conference on Combinatorial Materials Research, Ghent 02.06.2015 Intro Cu-Co alloys Cu-Co alloy Cu at % Ethylene Alcohols Methane Hydrogen Motivation SFC SFC-ICP-MS SFC-OLEMS Conclusion

12 Max-Planck-Institut für Eisenforschung GmbH, Germany International Conference on Combinatorial Materials Research, Ghent 02.06.2015 Intro Cu and Cu alloy oxides Brass Brass ox Motivation SFC SFC-ICP-MS SFC-OLEMS Conclusion

13 Max-Planck-Institut für Eisenforschung GmbH, Germany International Conference on Combinatorial Materials Research, Ghent 02.06.2015 Intro Carbon corrosion Motivation SFC SFC-ICP-MS SFC-OLEMS Conclusion

14 Max-Planck-Institut für Eisenforschung GmbH, Germany International Conference on Combinatorial Materials Research, Ghent 02.06.2015 Intro SFC-OLEMS for high surface area cats 2 mm 3 mm Motivation SFC SFC-ICP-MS SFC-OLEMS Conclusion

15 Max-Planck-Institut für Eisenforschung GmbH, Germany International Conference on Combinatorial Materials Research, Ghent 02.06.2015 Intro Carbon corrosion Motivation SFC SFC-ICP-MS SFC-OLEMS Conclusion

16 Max-Planck-Institut für Eisenforschung GmbH, Germany International Conference on Combinatorial Materials Research, Ghent 02.06.2015 Intro Summary Scanning flow cell Automated: Potentiostat control Position change Electrolyte change Purging gas control Defined surface area for reproducible electrochemistry Temperature control SFC-ICP-MS for dissolution studies High sensitive multi element analysis Relation between potential and dissolution Quantitative results SFC-OLEMS for selectivity studies Direct detection of volatile products Response time below two seconds Semi-quantitative results Motivation SFC SFC-ICP-MS SFC-OLEMS Conclusion

17 Max-Planck-Institut für Eisenforschung GmbH, Germany International Conference on Combinatorial Materials Research, Ghent 02.06.2015 Intro Thanks for your attention! Electrocatalysis Group from Max-Planck-Institut für Eisenforschung

Download ppt "Department of Interface Chemistry and Surface Engineering Electrocatalysis Group Düsseldorf, Germany International Conference on Combinatorial Materials."

Similar presentations

Department of Chemical Engineering Nara National College of Technology Takanori KOBAYASHI, Atsuhiro KAWAMURA, Katsumi KATAKURA, Hirohisa YAMADA Electrochemical.

Department of Chemical Engineering Nara National College of Technology Takanori KOBAYASHI, Atsuhiro KAWAMURA, Katsumi KATAKURA, Hirohisa YAMADA Electrochemical.
A galvanic cell is made from two half cells. In the first, a platinum electrode is immersed in a solution at pH = 2.00 that is 0.100 M in both MnO 4 -

A galvanic cell is made from two half cells. In the first, a platinum electrode is immersed in a solution at pH = 2.00 that is M in both MnO 4 -
Filippo Parodi /Paolo Capobianco (Ansaldo Fuel Cells S.p.A.)

Filippo Parodi /Paolo Capobianco (Ansaldo Fuel Cells S.p.A.)
Materials for Electrochemical Energy Conversion

Materials for Electrochemical Energy Conversion
Electrochemical Energy Systems (Fuel Cells and Batteries)

Electrochemical Energy Systems (Fuel Cells and Batteries)
Electrochemistry. It deals with reactions involving a transfer of electrons: 1. Oxidation-reduction phenomena 2. Voltaic or galvanic cell Chemical reactions.

Electrochemistry. It deals with reactions involving a transfer of electrons: 1. Oxidation-reduction phenomena 2. Voltaic or galvanic cell Chemical reactions.
Standard Reference Electrode Standard Hydrogen Electrode (SHE) SHE: Assigned 0.000 V Can be anode or cathode Pt does not take part in reaction Difficult.

Standard Reference Electrode Standard Hydrogen Electrode (SHE) SHE: Assigned V Can be anode or cathode Pt does not take part in reaction Difficult.
Types of Electrochemical Cells Electrolytic Cells: electrical energy from an external source causes a nonspontaneous reaction to occur Voltaic Cells (Galvanic.

Types of Electrochemical Cells Electrolytic Cells: electrical energy from an external source causes a nonspontaneous reaction to occur Voltaic Cells (Galvanic.
Thermodynamics in Corrosion Engineering

Thermodynamics in Corrosion Engineering
ISSUES TO ADDRESS... Why does corrosion occur ? 1 What metals are most likely to corrode? How do temperature and environment affect corrosion rate? How.

ISSUES TO ADDRESS... Why does corrosion occur ? 1 What metals are most likely to corrode? How do temperature and environment affect corrosion rate? How.
Electroanalytical Chemistry

Electroanalytical Chemistry
Development of an Electrochemical Micro Flow Reactor (EMFR) for electrocatalytic studies of methanol oxidation and fuel cell applications. Nallakkan Arvindan*,

Development of an Electrochemical Micro Flow Reactor (EMFR) for electrocatalytic studies of methanol oxidation and fuel cell applications. Nallakkan Arvindan*,
Phenomenological Model of Electrochemically Active Surface Area Loss Mechanisms in the Cathode Catalyst Layer Steven G. Rinaldo, a,b Wendy Lee, b Jürgen.

Phenomenological Model of Electrochemically Active Surface Area Loss Mechanisms in the Cathode Catalyst Layer Steven G. Rinaldo, a,b Wendy Lee, b Jürgen.
1 DIRECT METHANOL FUEL CELL WITH EXTENDED REACTION ZONE ANODE Alex Bauer, Elöd L. Gyenge and Colin W. Oloman Department of Chemical and Biological Engineering.

1 DIRECT METHANOL FUEL CELL WITH EXTENDED REACTION ZONE ANODE Alex Bauer, Elöd L. Gyenge and Colin W. Oloman Department of Chemical and Biological Engineering.
Lecture 223/19/07. Displacement reactions Some metals react with acids to produce salts and H 2 gas Balance the following displacement reaction: Zn (s)

Lecture 223/19/07. Displacement reactions Some metals react with acids to produce salts and H 2 gas Balance the following displacement reaction: Zn (s)
1 216 th ECS Meeting: October 8, 2009 Comparison of Inexpensive Photoanode Materials for Hydrogen Production Using Solar Energy N.Cook, R. Gallen S. Dennison,

1 216 th ECS Meeting: October 8, 2009 Comparison of Inexpensive Photoanode Materials for Hydrogen Production Using Solar Energy N.Cook, R. Gallen S. Dennison,
Crack grows incrementally typ. 1 to 6 increase in crack length per loading cycle Failed rotating shaft --crack grew even though K max < K c --crack grows.

Crack grows incrementally typ. 1 to 6 increase in crack length per loading cycle Failed rotating shaft --crack grew even though K max < K c --crack grows.
Biological and Catalytic Conversion of Biomass to Biofuels and Chemicals Jingguang Chen Chemical Engineering.

Biological and Catalytic Conversion of Biomass to Biofuels and Chemicals Jingguang Chen Chemical Engineering.
Electrochemistry Chapter 20.

Electrochemistry Chapter 20.
Electrochemistry Chapter 11 Web-site:

Electrochemistry Chapter 11 Web-site:

Similar presentations

Ads by Google