Jump to main content
Jump to site search
PLANNED MAINTENANCE Close the message box

Scheduled maintenance work on Wednesday 21st October 2020 from 07:00 AM to 07:00 PM (BST).

During this time our website performance may be temporarily affected. We apologise for any inconvenience this might cause and thank you for your patience.

Issue 23, 2016
Previous Article Next Article

The effect of nanoparticle packing on capacitive electrode performance

Author affiliations


Nanoparticles pack together to form macro-scale electrodes in various types of devices, and thus, optimization of the nanoparticle packing is a prerequisite for the realization of a desirable device performance. In this work, we provide in-depth insight into the effect of nanoparticle packing on the performance of nanoparticle-based electrodes by combining experimental and computational findings. As a model system, polypyrrole nanospheres of three different diameters were used to construct pseudocapacitive electrodes, and the performance of the electrodes was examined at various nanosphere diameter ratios and mixed weight fractions. Two numerical algorithms are proposed to simulate the random packing of the nanospheres on the electrode. The binary nanospheres exhibited diverse, complicated packing behaviors compared with the monophasic packing of each nanosphere species. The packing of the two nanosphere species with lower diameter ratios at an optimized composition could lead to more dense packing of the nanospheres, which in turn could contribute to better device performance. The dense packing of the nanospheres would provide more efficient transport pathways for ions because of the reduced inter-nanosphere pore size and enlarged surface area for charge storage. Ultimately, it is anticipated that our approach can be widely used to define the concept of “the best nanoparticle packing” for desirable device performance.

Graphical abstract: The effect of nanoparticle packing on capacitive electrode performance

Back to tab navigation

Supplementary files

Article information

23 Mar 2016
17 May 2016
First published
18 May 2016

Nanoscale, 2016,8, 11940-11948
Article type

The effect of nanoparticle packing on capacitive electrode performance

Y. Lee, S. Noh, M. Kim, H. J. Kong, K. Im, O. S. Kwon, S. Kim and H. Yoon, Nanoscale, 2016, 8, 11940
DOI: 10.1039/C6NR02424F

Social activity

Search articles by author