Influences of gold, binder and electrolyte on silicon nanowire performance in Li-ion batteries

Aaron Michael Chockla; Timothy D. Bogart; Colin M. Hessel; Kyle C. Klavetter; C. Buddie Mullins; Brian A. Korgel

doi:10.1021/jp305371v

Influences of gold, binder and electrolyte on silicon nanowire performance in Li-ion batteries

Aaron Michael Chockla, Timothy D. Bogart, Colin M. Hessel, Kyle C. Klavetter, C. Buddie Mullins, Brian A. Korgel^*

^*Corresponding author for this work

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Abstract

The effects of binder, electrolyte, and presence of gold (Au) seeds on the performance of silicon (Si) nanowire anodes in Lithium (Li)-ion batteries were systematically examined. Large irreversible capacity loss, poor performance at cycle rates of C/5 and faster, and significant capacity fade were observed when excess Au was not removed from the Si nanowires. Battery stability was very poor when poly (vinylidene fluoride) (PVdF) binder and common carbonate electrolytes, ethylene carbonate, dimethyl carbonate, and diethyl carbonate were used. Respectable Li-ion battery performance was obtained with sodium alginate binder and fluoroethylene carbonate (FEC) added to the electrolyte, with capacities up to 2000 mA h g ^-1 after the first 100 cycles.

Original language	English (US)
Pages (from-to)	18079-18086
Number of pages	8
Journal	Journal of Physical Chemistry C
Volume	116
Issue number	34
DOIs	https://doi.org/10.1021/jp305371v
State	Published - Aug 30 2012

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
General Energy
Physical and Theoretical Chemistry
Surfaces, Coatings and Films

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title = "Influences of gold, binder and electrolyte on silicon nanowire performance in Li-ion batteries",

abstract = "The effects of binder, electrolyte, and presence of gold (Au) seeds on the performance of silicon (Si) nanowire anodes in Lithium (Li)-ion batteries were systematically examined. Large irreversible capacity loss, poor performance at cycle rates of C/5 and faster, and significant capacity fade were observed when excess Au was not removed from the Si nanowires. Battery stability was very poor when poly (vinylidene fluoride) (PVdF) binder and common carbonate electrolytes, ethylene carbonate, dimethyl carbonate, and diethyl carbonate were used. Respectable Li-ion battery performance was obtained with sodium alginate binder and fluoroethylene carbonate (FEC) added to the electrolyte, with capacities up to 2000 mA h g -1 after the first 100 cycles.",

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T1 - Influences of gold, binder and electrolyte on silicon nanowire performance in Li-ion batteries

AU - Chockla, Aaron Michael

AU - Bogart, Timothy D.

AU - Hessel, Colin M.

AU - Klavetter, Kyle C.

AU - Mullins, C. Buddie

AU - Korgel, Brian A.

PY - 2012/8/30

Y1 - 2012/8/30

N2 - The effects of binder, electrolyte, and presence of gold (Au) seeds on the performance of silicon (Si) nanowire anodes in Lithium (Li)-ion batteries were systematically examined. Large irreversible capacity loss, poor performance at cycle rates of C/5 and faster, and significant capacity fade were observed when excess Au was not removed from the Si nanowires. Battery stability was very poor when poly (vinylidene fluoride) (PVdF) binder and common carbonate electrolytes, ethylene carbonate, dimethyl carbonate, and diethyl carbonate were used. Respectable Li-ion battery performance was obtained with sodium alginate binder and fluoroethylene carbonate (FEC) added to the electrolyte, with capacities up to 2000 mA h g -1 after the first 100 cycles.

AB - The effects of binder, electrolyte, and presence of gold (Au) seeds on the performance of silicon (Si) nanowire anodes in Lithium (Li)-ion batteries were systematically examined. Large irreversible capacity loss, poor performance at cycle rates of C/5 and faster, and significant capacity fade were observed when excess Au was not removed from the Si nanowires. Battery stability was very poor when poly (vinylidene fluoride) (PVdF) binder and common carbonate electrolytes, ethylene carbonate, dimethyl carbonate, and diethyl carbonate were used. Respectable Li-ion battery performance was obtained with sodium alginate binder and fluoroethylene carbonate (FEC) added to the electrolyte, with capacities up to 2000 mA h g -1 after the first 100 cycles.

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Influences of gold, binder and electrolyte on silicon nanowire performance in Li-ion batteries

Abstract

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