Description du projet
Comprendre et tirer le meilleur parti des dernières innovations en matière de stockage de l’énergie
Le besoin de plus en plus pressant de concepts de stockage d’énergie économiques, évolutifs et durables a abouti à la création d’une série de matériaux et de technologies innovants de haute performance. À titre indicatif, ces solutions visent notamment à rendre les batteries au sodium potentiellement sûres et efficaces, à améliorer la capacité des électrodes de carbone nanoporeux, à utiliser des matériaux hybrides, et à exploiter les changements de structure électrochimique pour obtenir de meilleurs résultats. Le projet MoMa-STOR, financé par l’UE, cherche à évaluer ces modes de stockage d’énergie totalement inédits et non couverts sur le plan technique, ainsi qu’à développer la base matérielle connexe, afin de concevoir la prochaine génération de dispositifs de stockage d’énergie.
Objectif
Sustainable energy generation by water, wind, and solar has reached in the EU a mature and economic state, but further growth to tackle the climate crisis has faltered because more economic, scalable and sustainable energy storage concepts are missing.
The groups of both PIs have a proven track record in this area but, interestingly they were able just recently to perform first experiments indicating big potential gains in performance. The Simon group identified a specific ion organization in nanoporous carbon electrodes leading to enhanced capacity. He also evidenced fast, new pseudocapacitive redox contribution in metal carbides of still unclear origin. The Antonietti group could not only build from oxidation stable noble carbons a 6.5 Volt supercapacitor, but also show that in those new device major storage peaks come from solvent structure changes. In another work, massive sub-potential deposition of Na-metal was observed is the Schottky transition layers of hybrid materials, thus making sodium batteries potentially save and efficient.
The general aim of MoMa-STOR is to address such fundamentally new, non-classical and non-technically covered modes of energy storage and to develop the related materials base for them, to design the next generation of energy storage devices.
These new modes include a) energy storage by desolvation and matrix change, b) reversible high energy bulk structure transition, and c) metal-metal and metal-semiconductor heterojunction interface effects.
New modes will be carefully analysed with advanced electrochemical techniques, including quartz crystal microbalance, differential electrochemical mass spectroscopy, combined with in situ X-ray and Raman spectroscopy for instance, to gain a precise physico-chemical picture of the operation principles. In operando high resolution electron microscopy and EELS will complete the molecular understanding of the processes.
Champ scientifique
- engineering and technologyenvironmental engineeringenergy and fuelsrenewable energy
- natural scienceschemical sciencesinorganic chemistryinorganic compounds
- natural sciencesphysical sciencesopticsmicroscopyelectron microscopy
- natural sciencesearth and related environmental sciencesatmospheric sciencesclimatologyclimatic changes
- natural sciencesphysical sciencesopticsspectroscopy
Mots‑clés
Programme(s)
Thème(s)
Régime de financement
ERC-SyG - Synergy grantInstitution d’accueil
80539 Munchen
Allemagne