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Positive Electrode Materials for Li-ion Batteries for Electric Vehicles Application-LiBEV

The aim of the proposed project is development and optimization of new cathode materials for Li-ion batteries for electric vehicles applications, portable electronics as well as for energy storage in the smart gird system.

In Li-ion batteries (LixC6/Li+/LixMaXb) the reaction of lithium intercalation into transition metals compound takes place. The efficiency of such reaction determine the functional parameters of battery, and it depends on crystallographic and electronic structure of LixMaXb cathode material.

In the proffered project 2 partners will take part: AGH University of Science and Technology, Krakow, Poland (in collaboration with Jagiellonian University in Krakow) and EMPA Swiss Federal Laboratories for Materials Testing and Research, Dubendorf, Switzerland (in collaboration with laboratories, which declared cooperation). The research teams are of interdisciplinary character and complement each other perfectly. The project will be realized from 1.04.2011 to 31.03.2014.

The Professor J. Molenda’s research team is a leading team in a Li-ion batteries field. The electronic model of the intercalation process proposed by J. Molenda enables to predict and tailor functional properties of intercalated electrode materials. The aim of the Project is to show the immediate correlation between the electronic structure of cathode material and its electrochemical properties. Revealing this relation will create a new tool for designing functional properties of the materials for Li-ion batteries. The experience of Swiss partners in the research on electronic structure is an excellent complement to the Polish team abilities.

In this Project we planned development of new cathode materials, which are based on:

- LiNi1-yCoyO2 with 3d transition metals doping,

- LiMn2-yMyO4 (M=3d) and LiMn2O4-zSz,

- nanocomposite of the LiFePO4 /Fe2P.

We are also planning optimization of properties of these materials by scaling down the size of electrode materials to the nano level. The grain size dependent defect formation energy and space charge effects both significantly influence the ionic-electronic transport of these materials, which are crucial parameter for the efficiency of the Li-ion intercalation process.

The results of investigations will be published in the international and domestic journals and will be presented at international and domestic conferences.

The results with technical significance will be the subject of the patent claim.

The structural investigations, investigations of the electrical conductivity and thermoelectric power as well as electrochemical investigations will be performed at the AGH UST. TG, DSC and XPS, and part of the electrochemical investigations will be performed at the JU. The investigations of electronic structure using X-ray and electron spectroscopy experiments will be performed at EMPA and their collaborators.

Mr Robert Siewiorek wrote more about the project in ‘Hiking with Patrons. A Polish-Swiss Adventure with Science’:

The first primitive “batteries” were neither practical nor environmentally friendly (by the way, at that time, the latter concept would have been completely incomprehensible). Importantly, however, someone saw in them the potential to power vehicles, and other machines later on.

Research on lithium-ion batteries conducted currently by scientists from Poland and Switzerland as part of a joint project is aimed at the development of a new generation of devices that would be used to power electric cars, portable electronics and to store renewable energy. The aim of the research is to improve the quality of the batteries, the safety of their use, and to increase the energy density of batteries.

Most importantly, the results of these research studies have already aroused interest among companies producing electric vehicles and portable electronics, and the so-called smart grid companies.

You will find more in story 23 of  ‘Hiking with Patrons. A Polish-Swiss Adventure with Science’: Sticking our nose in the battery or who invented a golf cart.

 
Informacje o projekcie:
Project number:PSPB-080/2010
Project title:Positive Electrode Materials for Li-ion Batteries for Electric Vehicles Application-LiBEV
Beneficiary:AGH University of Science and Technology in Cracow (Prof. dr hab. inż. Janina Molenda)
Swiss partners:Eidgenössische Materialprüfungs- und Forschungsanstalt (Dr. Artur Braun)
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Project supported by a grant from Switzerland through the Swiss Contribution to the enlarged European Union

Logo Swiss Contribution
Logo - Polish-Swiss Research Programme
Logo - National Information Processing Institute

Project supported by a grant from Switzerland through the Swiss Contribution to the enlarged European Union

National Information Processing Institute, al. Niepodległości 188 b, 00-608 Warsaw, Poland, phone: +48 22 57 01 400, fax: +48 22 825 33 19, e-mail: opi@opi.org.pl

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