Influence of pack cementation time on the microstructure of Cu nanofoams processed by dealloying

J Péter, G Han, PT Hung, H Choe… - IOP Conference Series …, 2020 - iopscience.iop.org
J Péter, G Han, PT Hung, H Choe, J Gubicza
IOP Conference Series: Materials Science and Engineering, 2020iopscience.iop.org
Copper nanofoams were processed by dealloying for a prospective application as a Li-ion
battery anode. The precursor material was produced by pack cementation. The effect of
length of pack-cementation time on the pore structure and the microstructure of the struts
was investigated in this study. It was found that for high pack-cementation times a
hierarchical pore structure with nano-and micro-sized pores was formed. In addition, the
longer the pack-cementation time, the lower the crystallite size and the dislocation density in …
Abstract
Copper nanofoams were processed by dealloying for a prospective application as a Li-ion battery anode. The precursor material was produced by pack cementation. The effect of length of pack-cementation time on the pore structure and the microstructure of the struts was investigated in this study. It was found that for high pack-cementation times a hierarchical pore structure with nano-and micro-sized pores was formed. In addition, the longer the pack-cementation time, the lower the crystallite size and the dislocation density in the struts. A very high twin fault probability was also detected, irrespective of pack-cementation time.
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