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Nanoparticle Embedded in Alloy Thermoelectrics

Objective

The project aims at developing “Nanoparticle Embedded in Alloy Thermoelectric (NEAT)” materials to harvest energy in the KW range. Thermoelectric Generators will help to recover some of the huge amount of wasted high-grade thermal power leading to significant savings in fuel and Green House Gas emissions. These innovative materials will be designed to perform efficient waste heat recovery in high thermal differentials provided by high temperature industrial processes and automotive engines.
Conventional thermoelectric materials are toping ZT values of 1 since several decades. Recently, ZT values as high as 3 at 550K have been reported for thin film nanostructured materials. However, bulk materials are far from reaching a similar performance.
NEAT is an innovative nanocomposite alloy capable of attaining ZT>3 at high and medium temperatures. The material concept is based on the joint optimization of nanoinclusions and grain boundaries in order to maximize phonon scattering at multiple length scales, without increasing electron scattering significantly.

NEAT will focus on:
- Mg2Si nanoparticles in n-Mg2SiSn alloy matrix, for medium temperature range (500-800K)
- Ge and Silicide nanoparticles in SiGe alloy matrix, for high temperature range (900-1200K)
- A graded nanocomposite of both medium and high temperature materials, for high thermal gradients accommodation.

The concept achievement will require manufacturing process innovations enabling the inclusion of well controlled nanoparticles in a host polycrystalline alloy and the preservation of the initial architecture during the sintering. It will benefit from advanced theoretical simulation providing fundamental physical understanding, and materials development guidance. The demonstration of the nanocomposites thermoelectric performances in proof of concept thermoelectric generators and the assessment of its energy pay-back will unambiguously state the potential industrial impact of the project outcomes.

Call for proposal

FP7-NMP-2010-SMALL-4
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Coordinator

COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
Address
Rue Leblanc 25
75015 Paris 15
France

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Activity type
Research Organisations
Administrative Contact
Stephanie Thollon (Dr.)
EU contribution
€ 773 109

Participants (8)

JOHNSON MATTHEY PLC
United Kingdom
EU contribution
€ 322 897,50
Address
Farringdon Street 25 5th Floor
EC4A 4AB London

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Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)
Administrative Contact
Alan Herbert (Mr.)
LEIBNIZ INSTITUT FUR FESTKORPER UND WERKSTOFFORSCHUNG DRESDEN EV

Participation ended

Germany
EU contribution
€ 86 920,32
Address
Helmholtzstrasse 20
01069 Dresden
Activity type
Research Organisations
Administrative Contact
Birgit Benz (Mrs.)
RISE IVF AB
Sweden
EU contribution
€ 339 350
Address
Argongatan 30
431 53 Molndal

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Activity type
Research Organisations
Administrative Contact
Marie Pauli (Ms.)
S'TILE SA
France
EU contribution
€ 247 950
Address
Rue Marcel Pagnol 6
86180 Buxerolles

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Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)
Administrative Contact
Alain Straboni (Prof.)
FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV
Germany
EU contribution
€ 471 820,75
Address
Hansastrasse 27c
80686 Munchen

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Activity type
Research Organisations
Administrative Contact
Christoph Schulte (Mr.)
Swenox AB
Sweden
EU contribution
€ 184 736,50
Address
Flattnaleden 6
61110 Nyköping

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Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)
Administrative Contact
Johan Ivarsson (Mr.)
M.D.P. MATERIALS DESIGN AND PROCESSING SRL
Italy
EU contribution
€ 158 800
Address
Strada Di Pentima 6
05100 Terni

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Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)
Administrative Contact
Andrea Terenzi (Dr.)
UNIVERSITAT LINZ
Austria
EU contribution
€ 296 921,93
Address
Altenberger Strasse 69
4040 Linz

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Activity type
Higher or Secondary Education Establishments
Administrative Contact
Susanne Schwind (Ms.)