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Advanced European lithium sulphur cells for automotive applications

Objectif

Li-ion batteries become a reality in the future vehicles, although they do not fulfil completely the demands of consumers. In this respect batteries with higher energy density are required. Lithium technology utilizing sulphur as a cathode is one of the optimal choices since it offers the possibility of achieving high-energy, long-life storage batteries with a potential low price. At present, the practical use is faced with two major problems: (i) a low intrinsic conductivity of sulphur and polysulphides and (ii) loss of active materials due to solubility of the intermediate products in the commonly used electrolytes. The low intrinsic conductivity can be overcome using improved electronic wiring. The occurrence of soluble polysulphides is reflected as a loss of the active material during the cycling and additionally soluble polysulphides are responsible for overcharging problem which lowers the energy efficiency. With an aim to have stable capacity retention with a good cycling efficiency it is important to find a suitable electrochemical environment for the lithium – sulphur batteries. Possible approaches are using polysulphide reservoirs with modified surfaces in the highly mesoporous conductive matrix. Proposed system with high surface area should enable weak adsorption of polysulphides intermediates allowing reversible desorption. This way a full utilization of the active material without significant losses can be obtained. In order to understand the influence of surface area and surface modification, including interactions between electrolyte and sulphur based cathode composite we need to have a reliable characterization techniques. In this respect different electrochemical, spectroscopic and physical characterization (in-situ or ex-situ) techniques can provide us valuable information’s about the possible mechanism which can be used in planning of substrates for sulphur in the Li-S batteries.

Appel à propositions

FP7-2012-GC-MATERIALS
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Coordinateur

KEMIJSKI INSTITUT
Adresse
Hajdrihova 19
1000 Ljubljana
Slovénie

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Research Organisations
Contact administratif
Katja Možina (Ms.)
Contribution de l’UE
€ 632 334

Participants (10)

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS
France
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€ 826 492
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Rue Michel Ange 3
75794 Paris

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Research Organisations
Contact administratif
Gilles Pulvermuller (Mr.)
MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EV
Allemagne
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€ 179 833
Adresse
Hofgartenstrasse 8
80539 Munchen

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Nadine Stolz (Ms.)
CHALMERS TEKNISKA HOGSKOLA AB
Suède
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€ 147 127
Adresse
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412 96 Goteborg

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Higher or Secondary Education Establishments
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Annika Hofling (Ms.)
ELETTRA - SINCROTRONE TRIESTE SCPA
Italie
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€ 169 440
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Ss 14 Km 163.5 Area Science Park
34149 Basovizza Trieste

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Renato Gioppo (Mr.)
CENTER ODLICNOSTI NIZKOOGLJICNE TEHNOLOGIJE ZAVOD
Slovénie
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€ 120 600
Adresse
Hajdrihova Ulica 19
1000 Ljubljana

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Katja Možina (Ms.)
RENAULT SAS
France
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€ 120 978
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122-122b Avenue Du General Leclerc
92100 Boulogne Billancourt

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Vincent Délu (Mr.)
SOLVIONIC
France
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11 Che Des Silos
31100 Toulouse

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Sébastien Fantini (Dr.)
FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV
Allemagne
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€ 182 150
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Hansastrasse 27c
80686 Munchen

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Walter Krause (Mr.)
SAFT
France
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26 Quai Charles Pasqua
92300 Levallois Perret

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Georges Caillon (Mr.)
VOLVO TECHNOLOGY AB
Suède
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Gotaverksgatan 10
405 08 Goteborg

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Maria Wallenius Henriksson (Dr.)