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SKM 2023 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 35: Poster Session II

CPP 35.14: Poster

Mittwoch, 29. März 2023, 11:00–13:00, P1

Mesoporous polymers as electrode material in hybrid organic-inorganic lithium-ion batteries — •Tom Wickenhäuser1, Lucas Ueberricke2, Angelina Jocic2, Erik Misselwitz2, Elisa Thauer1, Yuquan Wu1, Michael Mastalerz2, Milan Kivala2, and Rüdiger Klingeler11Kirchhoff Institute for Physics, Heidelberg University, Germany — 2Institute of Organic Chemistry, Heidelberg University, Germany

We report on the characterisation of mesoporous polymers as electrode materials in hybrid organic-inorganic lithium-ion batteries. In particular, dendritic pyrene tetraone (D-PTO) and triphenylamine (TPA) is investigated as cathode material and non-planar covalent carbon networks are studied as anode material in lithium half-cells. Cyclic voltammetry as well as galvanostatic cycling measurements were done to investigate on ionic and electric transport mechanisms. For redox active dendritic pyrene tetraone, the mesoporous character of the amorphous polymer is confirmed and the specific surface areas range up to nearly 700 m2g−1. Galvanostatic cycling measurements show a specific capacity of 137 mAhg−1 and a capacity retention of 86% after 50 cycles.

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