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Development of chemically regenerative redox fuel cell

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Français - Anglais

Date Limite Candidature : vendredi 14 mai 2021

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General information

Reference : UMR5253-PIEBLA-002
Workplace : MONTPELLIER
Date of publication : Friday, April 23, 2021
Scientific Responsible name : Pierre-Yves Blanchard
Type of Contract : PhD Student contract / Thesis offer
Contract Period : 36 months
Start date of the thesis : 1 September 2021
Proportion of work : Full time
Remuneration : 2 135,00 € gross monthly

Description of the thesis topic

The project aims to develop a non-conventional proton exchange membrane fuel cell containing a redox flow cathode (chemically regenerative redox fuel cell CRRFC). One of the main limitation of PEMFC is the large amount of platinum at the cathode because of the sluggish oxygen reduction reaction. The objective of the project is to remove platinum at the cathode by a soluble redox mediator able to be reduced without noble catalyst at the cathode. The molecule will be reduced at the cathode then will be regenerated by dioxygen in another compartment (the regenerator). At the anode, dihydrogen is oxidised to protons.

First, different redox mediator will be studied and characterised by several technics to access to their physicochemical properties. The molecules have to fulfil different criteria. The main one to answer is to have a fast kinetic oxidation with dioxygen. Secondly a specific fuel cell stand will be setup. Finally, the most promising molecules will be tested in the fuel cell stand. Different parameters such as temperature, pH of catholyte will be studied in order to improve fuel cell performance. The Ph.D candidate should have a strong background on electrochemistry. She/He should also have knowledge on the different electrochemical energy storage and conversion devices.

Work Context

The Charles Gerhardt Institute UMR 5253, is one of the four Institutes of the Montpellier Chemistry Pole. The Aggregates, Interfaces and Materials for Energy team brings together around 70 research/lecturer staff, PhD students, post-doc and CDD who develop their research activities on the topics of materials and their action mechanisms for energy by implementing skills in the chemistry and physico-chemistry of materials and interfaces, the chemistry of solid and materials. The activity of the recruited person will be carried out within the "Energy Conversion" group, in relation to the group's activities on proton exchange membrane fuel cell. The PhD candidate will work in the frame of the ELMOROX ANR project

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