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Nonlinear electrochemical impedance spectroscopy (NLEIS) is a moderate-amplitude extension to linear EIS that provides a sensitive and complementary whole-battery diagnostic for charge transfer kinetics, mass transport, and thermodynamics. We present
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6432d12b165ba23f86feae993b1e113a
Autor:
Daniel T. Schwartz, Linnette Teo, Jason Kuo, Venkat R. Subramanian, Manan Pathak, Suryanarayana Kolluri, Victor Waiman Hu
Publikováno v:
ECS Meeting Abstracts. :432-432
Electrochemical impedance spectroscopy (EIS) is a useful characterization tool due to its ability to separate physicochemical processes by their intrinsic time constants. EIS is extensively used to study diffusion1 and kinetic2 processes, investigate
Publikováno v:
ECS Meeting Abstracts. :2187-2187
Electrochemical impedance spectroscopy (EIS) is a widely adopted diagnostic tool for batteries because of its ability to easily probe different physicochemical processes.1 In contrast, physics-based models are not as widely adopted for analysis of tr
Thermodynamic Effects on Nonlinear Electrochemical Impedance Spectra in Lithium NMC | Graphite Cells
Autor:
Victor Waiman Hu, Daniel T. Schwartz
Publikováno v:
ECS Meeting Abstracts. :217-217
Electrochemical impedance spectroscopy (EIS) is widely used to diagnose and characterize physicochemical processes in lithium-ion batteries.1 EIS relies on a low magnitude sinusoidal modulation of either current or voltage so that the battery has a l
Autor:
Shrikant C. Nagpure, Sean M. Wood, Eric J. Dufek, Charles C Dickerson, Bor Yann Liaw, Victor Waiman Hu
Publikováno v:
ECS Meeting Abstracts. :596-596
Lithium metal rechargeable batteries (LRBs) have the potential to meet the 500 Wh·kg-1 energy density goal set by the US Department of Energy for high energy density batteries [1]. However, two issues need to be addressed in these batteries before t
Publikováno v:
ECS Meeting Abstracts. :253-253
Electrochemical impedance spectroscopy (EIS) is a powerful nondestructive tool that is widely used to identify physical parameters and health diagnostics in lithium-ion batteries.1 By applying a small perturbation of either current or voltage and sub