Silicon/Graphite Composite Materials As Anode For 3D Printed Lithium-ion Microbatteries (Energy Storage Innovations Europe 2018)

The industrial development of ever smaller autonomous electronic devices leads to the demand of suitable electrochemical storage solutions and corresponding production technologies. Additive manufacturing provides a simple routine where battery materials can be printed customizable in μm-scale directly on the substrate. Combined with a high capacity silicon/graphite composite anode we are aiming a long term stable 3D Lithium-ion microbattery.

We'll present our additive manufacturing concept along with recent results of silicon/graphite composite anodes.

Mathias Drews works as a PhD student at Fraunhofer ISE in the cell technology group. His research focuses on additive manufacturing of 3D Lithium-ion microbatteries. After his master degree in physics at the University of Münster he already gained experiences in battery research at the Helmholtz Institute Ulm (HIU) and Münster (HI MS).

With a staff of 1150, the Fraunhofer Institute for Solar Energy Systems ISE in Freiburg, Germany is the largest solar energy research institute in Europe. Fraunhofer ISE is committed to promoting sustainable, economic, safe and socially just energy supply systems based on renewable energies. Its research provides the technological foundations for supplying energy efficiently and on an environmentally sound basis in industrialized, threshold and developing countries throughout the world. Focusing on energy efficiency, energy conversion, energy distribution and energy storage, the Institute develops materials, components, systems and processes in five business areas and offers accredited testing facilities and other expert lab services to clients. The Institute is a member of the Fraunhofer-Gesellschaft, Europe's largest application-oriented research organization.