Energie

Electricity offers flexibility, efficiency, and easy end-usage, while avoiding carbon emissions at the industrial or domestic appliance level. An improved control and management of electricity is needed to increase its efficiency and reliability. The breakthroughs that can be expected are linked to progress in materials for its production, transport and conversion, as well as to its storage which is today its weakest link.

Our strategy aims at overcoming new technological barriers, by designing components, devices and systems which exploit physical principles and novel materials. Our synergy involve technological advances developed in G2Elab, CEA/LETI & LITEN and industrial partners, especially through the auspices of the Laboratory of Excellence LANEF.

Magnetism for sustainable energy

Magnetic materials (« hard » magnets, « soft » iron alloys) are core to electromechanical conversion systems, and determine their efficiency. NEEL develops new concepts and novel materials, in partnership with industrials (ArcelorMittal, Metalor, Toyota…).

Exotic materials for novel Energy Systems and Power-MEMS

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Superconducting cable for energy transport

Magnetocaloric and thermoelectric materials are exploited in pioneering cooling systems and thermal energy converters, in collaboration with ArcelorMittal, Cooltech Applications, McPhy Energy SA, Scheider Electric. The « multiferroic » coupling of piezoelectric, magnetostrictive and shape memory materials is also explored in novel actuators, smart energy harvesters and power-MEMS.

Superconductors for energy

Zero-loss transportation cables are being developed in collaboration with Arcelor-Mittal, based and patented solutions using high temperature superconductors. Targeted applications also concern energy storage for pulsed sources and fault current limiter for smart grid.

From hydrogen to electricity

Hydrogen (H2) is an attractive clean energy carrier for portable power and transportation applications (fuel cells). Our research activity, in close collaboration with INAC and LITEN and companies (McPhy, Axane, Hélion, Nissan,…) concern materials and systems for H2 solid storage (our prototypes already meet the American DOE target for 2015, start-up McPhyEnergy, 5 CNRS patents).

Nanophotonics for energy

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Diamond growth for green electronics

Nanotechnology provides a key to boost the performance of light conversion, with nanoparticles and nanostructures improving both collection and conversion, together with providing better thermal storage and transport. They open new paths for a variety of applications including energy generation and harvesting, laser and light emitting diode (LED).

Green power electronics

Diamond is the « ultimate » semiconductor, exhibiting high breakdown voltage, ultra-fast commutation times with low losses for communications, and superb thermal conductivity. We recently demonstrated 10 kV diamond rectifiers and MOS structure (patented).

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