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Proceedings Paper

Post-mortem characterization of fs laser-generated micro-pillars in Li(Ni1/3Mn1/3Co1/3)O2 electrodes by laser-induced breakdown spectroscopy
Author(s): P. Smyrek; Y. Zheng; H. J. Seifert; W. Pfleging
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Paper 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.

Paper Details

Date Published: 18 March 2016
PDF: 6 pages
Proc. SPIE 9736, Laser-based Micro- and Nanoprocessing X, 97361C (18 March 2016); doi: 10.1117/12.2210815
Show Author Affiliations
P. Smyrek, Karlsruhe Institute of Technology (Germany)
Karlsruhe Nano Micro Facility (Germany)
Y. Zheng, Karlsruhe Institute of Technology (Germany)
H. J. Seifert, Karlsruhe Institute of Technology (Germany)
W. Pfleging, Karlsruhe Institute of Technology (Germany)
Karlsruhe Nano Micro Facility (Germany)

Published in SPIE Proceedings Vol. 9736:
Laser-based Micro- and Nanoprocessing X
Udo Klotzbach; Kunihiko Washio; Craig B. Arnold, Editor(s)

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