Post-mortem characterization of fs laser-generated micro-pillars in Li(Ni1/3Mn1/3Co1/3)O2 electrodes by laser-induced breakdown spectroscopy

P. Smyrek; Y. Zheng; H. J. Seifert; W. Pfleging

doi:10.1117/12.2210815

18 March 2016 Post-mortem characterization of fs laser-generated micro-pillars in Li(Ni_1/3Mn_1/3Co_1/3)O₂ electrodes by laser-induced breakdown spectroscopy

P. Smyrek, Y. Zheng, H. J. Seifert, W. Pfleging

Author Affiliations +

Proceedings Volume 9736, Laser-based Micro- and Nanoprocessing X; 97361C (2016) https://doi.org/10.1117/12.2210815
Event: SPIE LASE, 2016, San Francisco, California, United States

Abstract

NMC thick films were prepared by tape-casting and subsequent ultrafast laser-structuring. The lithium distribution in electrochemically cycled and unstructured or fs laser-structured NMC cathodes was investigated by using Laser-Induced Breakdown Spectroscopy (LIBS). The main goal is to develop an optimized three dimensional cell architecture with improved electrochemical properties based on studies of the homogeneity of the local State-of-Charge. LIBS experiments were carried out using a LIBS workstation equipped with a mode-locked diode pumped solid state Nd:YAG laser operating at a wavelength of 1063 nm. The element distribution was investigated using two different techniques: element mapping and element depth-profiling of the unstructured / fs laser-structured electrode surface. Results achieved from post-mortem studies using LIBS will be presented.

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P. Smyrek, Y. Zheng, H. J. Seifert, and W. Pfleging "Post-mortem characterization of fs laser-generated micro-pillars in Li(Ni_1/3Mn_1/3Co_1/3)O₂ electrodes by laser-induced breakdown spectroscopy", Proc. SPIE 9736, Laser-based Micro- and Nanoprocessing X, 97361C (18 March 2016); https://doi.org/10.1117/12.2210815

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