Timm Bergholz
Forschungszentrum Jülich
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Publication
Featured researches published by Timm Bergholz.
Chemistry: A European Journal | 2015
Timm Bergholz; Benjamin Oelkers; Benedikt Huber; Bernhard Roling; Jörg Sundermeyer
New salts based on imidazolium, pyrrolidinium, phosphonium, guanidinium, and ammonium cations together with the 5-cyanotetrazolide anion [C2 N5 ](-) are reported. Depending on the nature of cation-anion interactions, characterized by XRD, the ionic liquids (ILs) have a low viscosity and are liquid at room temperature or have higher melting temperatures. Thermogravimetric analysis, cyclic voltammetry, viscosimetry, and impedance spectroscopy display a thermal stability up to 230 °C, an electrochemical window of 4.5 V, a viscosity of 25 mPa s at 20 °C, and an ionic conductivity of 5.4 mS cm(-1) at 20 °C for the IL 1-butyl-1-methylpyrrolidinium 5-cyanotetrazolide [BMPyr][C2 N5 ]. On the basis of these results, the synthesized compounds are promising electrolytes for lithium-ion batteries.
Journal of Power Sources | 2016
Timm Bergholz; Carsten Korte; Detlef Stolten
Archive | 2016
Timm Bergholz; Carsten Korte; Jörg Sundermeyer
Archive | 2016
Timm Bergholz; Jörg Sundermeyer; Carsten Korte
Archive | 2016
Carsten Korte; Tabea Mandt; Timm Bergholz
Archive | 2015
Timm Bergholz; Eckhard Spohr; Detlef Stolten
Archive | 2014
Jürgen Wackerl; Timm Bergholz; Carsten Korte; Theodor Nunez
20th World Hydrogen Energy Conference 2014 | 2014
Timm Bergholz; Detlef Stolten; Carsten Korte
Archive | 2013
Jürgen Wackerl; Timm Bergholz; Carsten Korte; Theodor Nunez
MRS Online Proceedings Library Archive | 2013
Timm Bergholz; Theodor Nunez; Jürgen Wackerl; Carsten Korte; Detlef Stolten
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