@inproceedings{0473afeabe264409a38538adb5898ed3,
title = "Pseudocapacitive charge storage at nanoscale silicon electrodes",
abstract = "Pseudocapacitive behaviour can be accessed when Si nanowire (NW) electrodes are scanned at relatively fast potential scan rates in Li-ion battery electrolytes. Measurements using cyclic voltammetry supported by electron microscopy confirm that Si NWs formed on silicon substrates, as opposed to metallic current collectors, do not solely undergo alloying reactions. The influence of doping type, carrier concentration and bias condition during voltammetric polarization significantly alters the mechanism of electrochemical energy storage. The formation of a carrier depleted (electrically dead) layer of n-type NWs on silicon current collector electrodes limits insertion or alloying processes and rates that ordinarily form Li-Si phases, and charge is also stored within the electric double layer via pseudocapacitive processes. P-type NWs with solid crystalline cores also exhibit pseudocapacitive charge storage without structural modification of the NWs.",
author = "W. McSweeney and H. Geaney and C. Glynn and D. McNulty and C. O'Dwyer",
note = "Publisher Copyright: {\textcopyright} The Electrochemical Society.; Symposium on Processes at the Semiconductor Solution Interface 6 - 227th ECS Meeting ; Conference date: 24-05-2015 Through 28-05-2015",
year = "2015",
doi = "10.1149/06606.0039ecst",
language = "English",
series = "ECS Transactions",
publisher = "Electrochemical Society Inc.",
number = "6",
pages = "39--48",
editor = "C. O'Dwyer and Buckley, {D. N.} and A. Etcheberry and Hillier, {A. C.} and Lynch, {R. P.} and Vereecken, {P. M.} and H. Wang and Leonte, {O. M.}",
booktitle = "Processes at the Semiconductor Solution Interface 6",
edition = "6",
}