In this section
@article{Campbell:2019:10.1149/2.0821904jes,
author = {Campbell, ID and Marzook, M and Marinescu, M and Offer, GJ},
doi = {10.1149/2.0821904jes},
journal = {Journal of The Electrochemical Society},
pages = {A725--A739},
title = {How observable Is lithium plating? Differential voltage analysis to identify and quantify lithium plating following fast charging of cold lithium-Ion batteries},
url = {http://dx.doi.org/10.1149/2.0821904jes},
volume = {166},
year = {2019}
}
TY - JOUR
AB - Fast charging of batteries is currently limited, particularly at low temperatures, due to difficulties in understanding lithium plating. Accurate, online quantification of lithium plating increases safety, enables charging at speeds closer to the electrochemical limit and accelerates charge profile development. This work uses different cell cooling strategies to expose how voltage plateaus arising from cell self-heating and concentration gradients during fast charging can falsely indicate plating, contrary to prevalent current assumptions. A solution is provided using Differential Voltage (DV) analysis, which confirms that lithium stripping is observable. However, scanning electron microscopy and energy-dispersive X-ray analysis are used to demonstrate the inability of the plateau technique to detect plating under certain conditions. The work highlights error in conventional plating quantification that leads to the dangerous underestimation of plated amounts. A novel method of using voltage plateau end-point gradients is proposed to extend the sensitivity of the technique, enabling measurement of lower levels of lithium stripping and plating. The results are especially relevant to automotive OEMs and engineers wishing to expand their online and offline tools for fast charging algorithm development, charge management and state-of-health diagnostics.
AU - Campbell,ID
AU - Marzook,M
AU - Marinescu,M
AU - Offer,GJ
DO - 10.1149/2.0821904jes
EP - 739
PY - 2019///
SN - 0013-4651
SP - 725
TI - How observable Is lithium plating? Differential voltage analysis to identify and quantify lithium plating following fast charging of cold lithium-Ion batteries
T2 - Journal of The Electrochemical Society
UR - http://dx.doi.org/10.1149/2.0821904jes
UR - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000460499200002&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR - http://hdl.handle.net/10044/1/75560
VL - 166
ER -