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INTEGRAL is a 3-year Collaborative Project coordinated by CEA which has received funding from the European Commission under the Horizon 2020 research and innovation programme (H2020-NMP-PILOTS-01-2016).  

- Total budget: 8.85 M€

- Duration: 01/12/2016 – 30/11/2019

- Web:

The project

The aim of the INTEGRAL project is to upscale the second generation thermoelectric (GEN2 TE) material technology using existing pilot lines, in order to address mass markets (transport, process industries), and produce advanced functional materials with customized electrical and thermal conductivities. The INTEGRAL project is unique since it gathers leading companies developing GEN2 TE materials in Europe. Furthermore, the large-scale manufacturing processes which will be developed for producing nanostructured materials within the INTEGRAL project will cut across multiple value chains in order to find a wide range of applications outside thermoelectrics, in particular where customization of electrical or thermal properties of sintered or casted materials are needed.

Starting from TRL 4, INTEGRAL will reach TRL 6 and up to 7 for two promising GEN2 TE material families: a) silicides and b) Half-Heuslers.

Those two TE material families have been selected in the frame of this project as they fulfil all the requirements in terms of material performance (ZTmax > 1 in 200°C-600°C temperature range), cost, sustainability and mass production capability, as those materials are produced using large-scale metallurgy or powder metallurgy processes.

Finally, a technology transfer will be performed towards the commercialization of a new generation of advanced multifunctional materials with a circular economy vision.


The INTEGRAL consortium is composed of 13 complementary partners from 8 European countries. It is well-balanced with relevant expertise in TE nanostructured materials development (CEA and CIDETEC), including sintering and off-line ageing and characterisation (IKTS), and manufacturing (MBN), but also in TE element design and manufacturing (HBOB, RGS and ISAB). Very important,  TE generators (TEGs) will be evaluated in different applications such as automotive heat recovery (VALEO), Exhaust Gas Recirculation cooler (RICARDO) and heavy duty truck engine cooling (TITANX), industry heat waste harvesting requirements (Elkem) and industry supervision with TEG autonomous based sensors (ARCELOR MITTAL), Furthermore, EFFI will carry out  life cycle and costs analysis.

Our role

CIDETEC leads the activity on grain boundary engineering on bulk silicide materials for WP1 and will participate to the demonstration of bulk silicide material production runs on upgraded HBOB pilot line. In particular CIDETEC is in charge of the following key technical task:

- Deposition of thin coatings (i.e. shells) on the surface of silicide grains to develop grain boundary engineered bulk materials with tailored thermal and electrical conductivities.

Furthermore, CIDETEC leads the WP8 on dissemination and exploitation activities.