3D Characterization of Silicon Based Electrode Material for Advanced Lithium-Ion Storage Technologies

T. Vorauer, J. Rose, P. H. Jouneau, P. Bayle-Guillemaud, B. Fuchsbichler, S. Koller, R. Brunner
2017 Microscopy and Microanalysis  
Energy storage will be according to the European Energy Storage Technology Development Roadmap (EASE/EERA) towards 2030 [1], of high importance for worldwide climate energy objectives as it has the potential to cover the entire energy value chain. Especially lithium-based technology will play an important role in this context [1]. However, lithium (Li)-ion batteries still have to struggle with several shortcomings, mainly due to material deficiencies, leading to a limited lifetime and the still
more » ... high energy costs per kWh. In order to conquer these shortcomings, the use of novel material approaches and processing steps need to be investigated, which are also suitable for industrial applications. A breakthrough in this manner can be achieved e.g. by the use of, (1) carbon-based materials, (2) silicon(Si)-based material and (3) cost efficient electrode and cell manufacturing processes. However, still several scientific and technological questions for silicon based lithium-ion batteries e.g. the impact of various loading cycles, which reduce the life time of batteries and components and of storage capacity, are open. In this context especially the microstructure of the electrode material plays an important role since it has big impact on the performance on the battery. Therefore, experimental methods which include 2D and 3D from the electrode material over the mm to the nm scale as well as accurate image analyzing algorithm are necessary. 2026
doi:10.1017/s1431927617010790 fatcat:vishcnlqszhd3murtokfylmpwa