Energie-Forschungszentrum Niedersachsen: Bunsen 2011

Interfaces in Lithium (ion) batteries EFZN Goslar 24. – 25. March 2011

Lithium (ion) batteries are currently worldwide discussed as power supply for electrical vehicles and for the storage of regenerative energy. In the framework of the LIB 2015 initiative of the Federal Ministry of Education and Research (BMBF) there are several groups in industry and universities involved in the improvement of current technology. Up to date rechargeable Lithium polymer batteries (LiPo´s) reach operating voltages between 3,3 and 4,2 Volt, and due to the limited electrochemical window of water organic solvents are strictly required for this purpose. Apart from the flammable organic solvents LiPo´s usually contain carbon as a component of the anode and metal oxides as components of the cathode. In the case of a short circuit such batteries can consequently burn or even explode. There are several attempts to circumvent this problem, one is the use of other cathode materials or practically non-flammable ionic liquids as electrolytes. A further fundamental aim is to increase the voltage of batteries as well as to reduce weight, in order to obtain better Wh/kg ratios compared to the current technology. In conjunction with this subject almost automatically a discussion on the Solid Electrolyte Interface (SEI) starts. The SEI is regarded as an interfacial layer which forms spontaneously and which protects cathode and anode from a reaction with the electrolyte. It is unclear if this SEI, which itself is so far not understood, is a condition for the safe operation of Lithium (ion) batteries or if it is rather the inevitable result of an undesired side reaction which just slows down the electrochemical processes.

This Bunsenkolloquium has the aim to shed more light on the interface processes in Lithium (ion) batteries, but also all other current trends in this field are welcome. The conference will comprise invited plenary lectures, contributed lectures and posters.

confirmed plenary lecturers

Prof. Dr. Arno Kwade,
TU Braunschweig
Dr. Andreas Fischer,
BASF Ludwigshafen
Prof. Dr. Jürgen Janek,
Universität Gießen
Prof. Dr. Gotthard Seifert,
TU Dresden
Prof. Dr. Martin Winter,
Universität Münster

Timetable

Donnerstag, 24. März 2011

12:00 - 14:00 Ankunft und Registrierung
14:00 - 14:15 Einführung und Begrüßung
14:15 - 15:15 A. Kwade (Plenarvortrag)
15:15 - 15:45 C. Jooß
15:45 - 16:30 Pause
16:30 - 17:00 A. Garsuch
17:00 - 17:30 M. Taige
17:30 - 18:30 A. Fischer (Plenarvortrag)
18:30 - 20:00 Poster
20:00 - Gesellschaftsabend im Achtermann

Freitag, 25. März 2011

09:00 - 10:00 M. Winter (Plenarvortrag)
10:00 - 10:30 E. Ventosa
10:30 - 11:00 H. Wenzl
11:00 - 11:30 Pause
11:30 - 12:30 G. Seifert (Plenarvortrag)
12:30 - 13:30 Mittagspause
13:30 - 14:30 J. Janek (Plenarvortrag)
14:30 - 15:00 S. Lux
15:00 - 15:30 M. Wachtler
15:30 - 16:00 Pause
16:00 - 16:30 U. Kunz
16:30 - 17:00 F. Endres
17:00 - Abreise