Objective
UNDERSTANDING OF THE REACTION MECHANISM OF METHANOL ELECTRO-OXIDATION USING WELL DEFINED PLATINUM ELECTRODES (SINGLE CRYSTALS, POLYORIENTED SURFACES, FINELY DIVIDED SURFACES, SURFACES MODIFIED BY FOREIGN SPECIES, IN PARTICULAR METALLIC ATOMS.
KNOWLEDGE OBTAINED ABOUT THE MOLECULAR MECHANISM OF THE REACTION UNDER THESE CONTROLLED CONDITIONS WILL ENABLE A MORE PRECISE EVALUATION OF THE REAL LIMITS TO THE OPTIMUM PERFORMANCE OF A METHANOL ANODE AND LEAD TO THE DESIGN OF MORE EFFICIENT AND SELECTIVE CATALYSTS.
1.1 - THE R&D WORK IS FOR BASIC RESEARCH INTO THE MECHANISM OF METHANOL OXIDATION WHICH WILL BE CARRIED OUT IN THREE CENTRES: BELLEVUE, POITIERS AND SOUTHAMPTON.
SINGLE CRYSTAL PLATINUM ELECTRODES WILL BE MADE, ORIENTED, CUT , POLISHED AND THEIR WORKING SURFACE PREPARED FOR ELECTROCHEMICAL STUDY IN BELLEVUE AND MADE AVAILABLE TO THE OTHER TWO PARTICIPANTS.
ELECTROCHEMICAL CHARACTERIZATION OF THE ELECTRODE SURFACES WILL BE DONE IN EACH LABORATORY AT THE TIME OF EACH EXPERIMENT FOLLOWING THE STANDARD METHODS DEVELOPED IN BELLEVUE. ON THIS BASIS MODIFICATIONS CAN BE MADE, FOR EXAMPLE BY THE DEPOSITION OF ADATOMS. AT THE SAME TIME SUCH EXPERIMENTS WILL BE USED TO CHARACTERIZE MORE COMPLEX SURFACES: POLYCRYSTALLINE; FINELY DIVIDED.
THE OVERALL REACTION WILL BE CHARACTERIZED USING HPLC AND GC SINCE IT IS OF PRIMARY IMPORTANCE TO KNOW THE EFFICIENCY OF FORMATION OF CO2 AND UNDESIRABLE SIDE PRODUCTS HCHO, HCOOH ETC...
INTERMEDIATES IN THE REACTION WILL BE STUDIED WITH TWO AIMS:
- TO DEFINE THE COURSE OF THE REACTION AND
- TO FIND CONDITIONS UNDER WHICH THE FORMATION OF BLOCKING INTERMEDIATES IS SELECTIVELY INHIBITED.
ELECTROCHEMICAL STUDIES WILL BE CARRIED OUT IN ALL THREE LABORATORIES, BUT THOSE IN SOUTHAMPTON WILL BE COMBINED WITH EX-SITU ELECTRON SPECTROSCOPY WHILE IN-SITU IR SPECTROSCOPY WILL BE SUED MAINLY IN POITIERS.
SURFACE REACTIONS LIKE METHANOL OXIDATION ARE KNOWN FROM PREVIOUS WORK OF THE PROPOSERS TO BE HIGHLY STRUCTURE SENSITIVE. SUCH SYSTEMS HAVE BEEN WIDELY STUDIED IN HETEROGENOUS CATALYSIS, BUT NOT IN ELECTRO-CHEMISTRY. THIS PROBLEM WILL BE ATTACKED BY USING ELECTRODES OF KNOWN STEP STRUCTURE, WHICH WILL EVENTUALLY PERMIT THE UNDERSTANDING OF MORE COMPLEX ELECTRODE SURFACES. ELECTROCHEMICAL ASPECTS WILL BE STUDIED IN BELLEVUE WHILE SPECTROSCOPIC STUDIES WILL BE MADE ON THE SAME ELECTRODES IN SOUTHAMPTON. THE NOTORIOUS DE-ACTIVATION OF ELECTRODES, WHICH REMAINS POORLY UNDERSTOOD WILL BE INVESTIGATED. IT IS ALREADY EVIDENT THAT THIS ARISES FROM TWO CAUSES:
- CHANGE IN THE CRYSTALLINE STRUCTURE OF THE METAL SURFACE AND
- FORMATION OF UNDESIRABLE SPECIES ON THE SURFACE.
THE FORMER WILL BE INVESTIGATED UNDER ELECTROCHEMICAL CONDITIONS WHILE THE LATTER WILL BE STUDIED BY IN-SITU IR SPECTROSCOPY. ELUCIDATION OF THIS PROBLEM WILL ENABLE THE INTRINSIC ACTIVITY OF ELECTRODES UNDER WORKING CONDITIONS TO BE EVALUATED.
THE NATURE OF THE ACTION OF ADATOMS AND SIMILAR SURFACE MODIFIERS WILL BE INVESTIGATED AS A FUNCTION OF SURFACE CRYSTAL STRUCTURE USING THE FULL RANGE OF TECHNIQUES MENTIONED ABOVE, AND WITH EQUALLY FULL COOPERATION BETWEEN THE THREE LABORATORIES. OTHER ELECTRODE MATERIALS SUCH AS ALLOYS SUPPLIED BY OTHER CONTRACTORS WILL BE EXAMINED BY THE SAME METHODS IF THESE MATERIALS ARE SUPPLIED IN SUITABLE FORM.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences chemical sciences electrochemistry electrolysis
- natural sciences chemical sciences inorganic chemistry transition metals
- natural sciences chemical sciences organic chemistry alcohols
- natural sciences chemical sciences catalysis
- natural sciences physical sciences optics spectroscopy
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
86034 POITIERS
France
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.