Abstract

Sodium Ion batteries have high potential to create high performance batteries without scarce elements. However, the theoretical energy density of the liquid electrolyte system is only around half of that of a lithium-ion battery. This could be improved by application of a sodium metal anodes which seems to be possible only with solid electrolytes. An attractive solid electrolyte system are Hydroborates which shows excellent ionic conductivities over 1 mS/cm at room temperature with a electrochemical stability window of 0 – 3 V vs Na/Na+ thus, making them perfect for the usage of metallic sodium [1]. Moreover, they can easily be processed by dissolution and precipitation, which allows for advanced processing techniques. In this contribution, we are going to present the processing of all-solid-state SIBs based on hydrobrates via screen-printing. This technique is especially suited for producing customized cell sizes, while manufacturing the cells layer-by-layer. We will show the printing process of electrodes as well as separators and first morphological and electrochemical results for these components.[1] L. Duchêne, A. Remhof, H. Hagemann, C. Battaglia, Energy Storage Materials, 25, 2020, 782-794,

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