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The two couples perhydrodibenzyltoluene/dibenzyltoluene and acetone/isopropanol involved in transfer hydrogenation operate in a closed circuit, with only hydrogen being able to enter and leave the circuit. This process, which is athermal and safe (no molecular hydrogen is released), could be a signi

All solid-state batteries based on thiosulfate solid electrolyte hold the promise of safer and more energetic batteries, especially once coupled to Li metal anode and high voltage cathodes. Unfortunately, it was demonstrated in the literature that their electrochemical stability window is far from o

This project aims at studying air-assisted atomization and spray formation for aircraft engines in a complex multi-physic environment, with the use of advanced numerical methods. Large Eddy Simulations of reactive, two-phase and multi-components flows will allow to put light on atomization processes

Waste heat energy discharged into the atmosphere is one of the largest sources of clean, fuel-free and inexpensive energies available. The most commonly used technologies to convert waste heat to electric energy are solid-state thermoelectric generators and liquid-based thermoelectrochemical cells.

The implementation of energy conversion schemes involving dihydrogen and CO2 requires solutions that prevent the inactivation by oxygen of biological or synthetic catalysts that are based on cheap and abundant transition metals. The partners of the project have recently developed a strategy for usin

In an attempt to fight against climate change and global warming, our global carbon footprint must be reduced to a minimum. This incredible challenging objective implies the use of sustainable sources of energy and raw materials, having become an intense focus of research in recent years. In this co

To maintain energy security in the face of a changing global climate, renewable energy sources are tasked with replacing fossil fuel-based sources. All energy harvesting strategies studied thus far exhibit tradeoffs. Natural energy sources can reach power densities P=100mW/cm2 (solar irradiation on

Multiphase flow in porous media is important in several environmental and industrial subsurface applications such as the sequestration and storage of CO2 in geological formations or soil remediation. Predictive capabilities of multiphase systems, however, must be improved. GéoMIME aims at examining

The SOLAIRE project concerns the application field of high-efficiency concentrated solar power (CSP) plants using pressurized air Solar Receivers (SR) at very high temperature around 1000 ° C (the temperature of the heat transfer fluids of current commercial CSP is below 565 ° C). To achieve these t

By 2028, the share of geothermal energy in the energy mix will double. To achieve this ambitious objective, the major problem of geothermal fluids circulation in aquifers has to be overcome in order to gain in plant efficiency. The microorganisms, evolving in these porous media, form biofilms that g

The search for thermoelectric materials is an active topic, and promising new families such as chalcogenides have emerged in recent years with the figure of merit ZT reaching 1 or above. One of the possible tuning parameters of ZT in chalcogenides containing transition-metal cations is magnetism whi

The PHOBARS project (Pneumatic Handling Of Bio And Recycled Solids) aims at studying the pneumatic transport of non-conventional powders resulting from plastic wastes or second-generation biomasses. The scientific objective of the project is to understand the mechanisms and phenomena involved in the

In line with the 2.1 scientific axis of the ANR call for project, the PlasMORE-LIGHT project proposes to study a breakthrough concept of rectennas aiming at converting light into electricity from visible to infrared. We explore a new paradigm, coming from the microwave community, in which the wave p

The ambition of the LSD-MOSFET project is to fabricate large size diamond metal oxide semiconductor field effect transistor on large size substrates operating at high voltage/high temperature. Project partners have recently developed new concepts based on the specific physical properties of ultra

Recent experimental work from the partners of this consortium has suggested the possibility to simultaneously observe colossal dielectric constant and superionic conduction in a family of titanium oxide materials. The proposed project aims at understanding the microscopical mechanisms at play in the

MARCEL 2.0 proposes an original concept where metallic nanocatalysts (Au, Ag, Cu nanoparticles) are functionalized with molecular hosting cavities bearing metallic complexes in order to direct the reactivity in ORR and CO2RR electrocatalysis. Both of these processes are complex and require efficient

In the current context of global warming, there is an urgent need to mobilize French research resources to reduce greenhouse gas emissions by accelerating the energy transition to renewable energies on the one hand and developing energy storage capacities on the other hand,. For new, efficient, sust

Key words: Phase Change Materials (PCM), Suspensions of micro-encapsulated Phase Change Materials (mPCM), Heat transfer, Convection, Physical characterization of mPCM and of the systems, Fluid mechanics, Energetics, urban environment, process optimization. Methodologies: Multi-scale and Multiphy

Solar energy assisted overall water splitting (OWS) has emerged as a low-cost green technology to produce sustainable H2. Current photocatalysts suffer from a lack of viable solar-to-hydrogen (STH) energy conversion efficiency, stability under operation, easy synthesis routes, or inactivity under vi

The (HSM)2 project proposes to develop a new synthesis process for the preparation of uncommon high oxidation state compounds, difficult to synthesize, for energy materials. The ambition of the (HSM)2 project is to extend the compositional range of the selected oxides and bring them at the forefront

The efficiency of electrode materials in solid oxide cells can be dramatically impacted by surface acidity. BATELCAT aims at using a simple infiltration protocol to modify the acidity of the surface of a wide range of mixed conducting metal oxides and systematically study their catalytic activity to

Heterogeneous catalytic steps are a synergetic interactions of reactives pecies with continuously evolving surface actives sites to promote the desirable reaction from complex manifolds of pathways. To achieve such a high level of selectivity, heterogeneous catalysts have to be tailored in a very pr

The objective of the project is to propose, fabricate and evaluate new materials and structures allowing very-low-bandgap (from 0.36 down to 0.17 eV) thermophotovoltaic (TPV) conversion of thermal energy from medium-grade heat sources ( < 1000 °C). As main requirements, the infrared photovoltaic cel

GELATO aims at designing disruptive highly efficient thermionic cooling nano-devices. It is motivated by the urgent technological need to control joule heating in nanoelectronics in a context of energy shortage. So far, most of the studies on solid-state cooling are based on the classical thermoelec

Current energy challenges lie not only in energy conversion and storage, but also in reducing energy consumption. The use of light emitting diodes (LEDs) is widely spread today in lighting, signaling, displays, computing, telecommunication or disinfection. The power conversion efficiency of blue LED

All solid-state batteries (ASSB) have the potential to outclass state-of-the-art Li-ion batteries, provided several key challenges are solved. Among them, the interface between the positive electrode material and the solid electrolyte is a source of large interfacial resistance, progressively leadin

The Electrophylle project seeks to characterize a fundamental process involved in the initial transformation of light energy in the reaction center of Photosystem II that initiates photosynthesis in plants and algae. Electrophylle will create a synergy around a new gas phase experimental method appl

Piezoelectric (Piezo) semiconductor (SC) nanowires (NWs) have been researched as the building blocks for various energy transducing applications including mechanical energy harvesting, sensors and piezotronic devices, exploiting both the SC and Piezo properties to control the electric transport thro

The project SOLPHOTOCAT is willing to investigate the development of new chemical devices for the storage and the release on demand of solar energy. The targeted system is a chemical system capable of (i) conversion of solar energy into a storable chemical energy via a photochemical transformation o

One of the major challenges in the field of photocatalysis is the development of noble-metal free, efficient, selective and recyclable catalysts. By combining our complementary expertise, our consortium proposes to develop, characterize and study the properties of metal-organic framework (MOF) photo

Photonastic materials convert light energy into mechanical energy and are the subject of pre-determined and repeatable deformations in response to light stimulus. This project aims at identifying the key parameters at the molecular and supramolecular scales involved in the mechanical response of a p

GOPOWER project concerns “Basic Science for Energy” axis. Ga2O3 is an emerging ultra-wide bandgap semiconductor material for future high-power devices (beyond 6.5 kV) devoted to energy applications such as electric transportation and smart grids. All Ga2O3 power devices demonstrated so far have been

Thermal engines, refrigeration systems and heat pumps rely on thermodynamic cycles, in which an inert working fluid converts input thermal and mechanical energies into another useful energy form (work or heat) by cyclically transforming its thermal energy content. Although the selection of the worki

A novel first principle approach will be proposed for dealing with multi-scale laminar, transitional and turbulent flows across weakly porous grids. Taking advantage of the separation of scales due to the small size of the grid pores, MultiMatchGrid will match the large far-grid to the small near-gr

CONFI-Cat develops the design and the elaboration of innovative hybrid catalysts for selective and stable CO2 electroreduction. The reactivity and stability of the molecular catalysts are controlled by encapsulation. Molecular cages are used as matrices to structure, modify and control the local env

Record efficiency solar cells are made of III-V materials, but their usage is limited to niche applications due to their high cost. More than 80% of this one is made up by costly substrates, so that a method to recycle them for several consecutive growths would constitute a breakthrough for high-eff

In the energy technologies of the future, the thermal power densities to be transferred will be greater than 1000 W.cm-2. Current techniques do not allow the extraction of such high power densities. To meet these challenges, new concepts must be implemented. In this context, thanks to a multi-scale

The project Placho (Platform for multisCale simulation of hot carriers: electrons and phonons for energy harvesting) aims to develop an original multi scale (DFT+Monte Carlo+NEGF) numerical platform from atoms to device specifically dedicated to energy conversion. This versatile tool based on first

Nanosizing electrode materials permit greatly improved ionic and electronic conductivities. Nevertheless, some challenges associated to the reactivity of nanomaterials remain due to their high specific surface area, which leads to parasitic and often irreversible reactions and strong interaction wit

The Haber-Bosch process leads to the synthesis of ca 200 million tons of ammonia per year, mostly used as fertilizer. This process combines N2 and H2 using heterogeneous catalysts under drastic conditions, and it consumes between 1 and 2% of the annual worldwide primary energy produced, leading to m

Water-based solutions play a key role in the realm of biology, chemistry, and more particularly, in energy-related fields such as photo and electro-catalysis and batteries. While aqueous batteries were believed to be constrained by the thermodynamic electrochemical stability window of water (1.23 V

The project deals with experimental and theroretical study of ambient mechanical energy harvesting with flexoelectric-like polymer films. The considered transduction mechanism is the flexoelectric effect which corresponds to an electrical polarization induced by a strain gradient. This effect is exp

Despite important progresses made over the past few years towards the development of new molecular structures the electrocatalytic reduction of CO2, such catalysts still mostly remains far from potential industrial applications, mainly due to a lack of control of the reactivity and stability of the

Despite recent conceptual and technological advances, the conversion efficiency of single-junction solar cells is still limited to 33%. In particular, depending on the photovoltaic material, up to 50% of the solar energy striking the cell is lost and dissipated as heat. An emerging strategy for harv

Nanoporous materials derived from clays feature textural properties and volumetric gas adsorption performances comparable to those of traditional industrial adsorbents for gas treatment process, such as bio-methane upgrading by CO2 capture. In this specific context, we have recently shown that smect