Journal Article

FZJ-2023-03816

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Frequency response diagnostics of electrochemical energy devices

Kadyk, T. (Corresponding author)FZJ* ; Sun, Y.FZJ* ; Kaur, J.FZJ* ; Kulikovsky, A.FZJ* ; Eikerling, M.FZJ*

2023
Elsevier Amsterdam

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Please use a persistent id in citations: doi:10.1016/j.coelec.2023.101378  doi:10.34734/FZJ-2023-03816

Abstract: The development, fabrication, and operation of electrochemical energy devices like fuel cells, batteries, or electrolyzers require powerful diagnostic techniques. Frequency response analysis methods deconvolute and quantify reaction and transport processes based on their dynamics, extract properties such as conductivity, diffusivity, permeability, and electrocatalytic activity, and assess the state-of-health, stateof-charge of a battery, mass activity of an electrocatalytic layer, or the presence of faults. Taking nonlinear information into account improves process identifiability, while using differentinput or output signals increases the sensitivity towards specific processes. Sensitivity analyses and design of experiments techniques are valuable tools to evaluate different frequency response techniques and help building optimized test protocols.

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Contributing Institute(s):

1. IEK-13 (IEK-13)

Research Program(s):

1. 1222 - Components and Cells (POF4-122) (POF4-122)

Appears in the scientific report 2023

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Database coverage:
; ; ; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; Essential Science Indicators ; IF >= 5 ; JCR ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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