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Title: X-ray photoelectron spectroscopy investigation of iridium oxide catalyst layers: Insights into the catalyst-ionomer interface

Journal Article · · Electrochimica Acta
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Not Available

Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Office of Sustainable Transportation. Hydrogen Fuel Cell Technologies Office (HFTO)
Grant/Contract Number:
AC05-00OR22725; AC36-08GO28308
OSTI ID:
2500982
Report Number(s):
NREL/JA--5K00-90934; S0013468625000684; 145705; PII: S0013468625000684
Journal Information:
Electrochimica Acta, Journal Name: Electrochimica Acta Journal Issue: C Vol. 517; ISSN 0013-4686
Publisher:
ElsevierCopyright Statement
Country of Publication:
United Kingdom
Language:
English

References (35)

Probing Heterogeneous Degradation of Catalyst in PEM Fuel Cells under Realistic Automotive Conditions with Multi‐Modal Techniques journal July 2021
Direct Detection of Surface Species Formed on Iridium Electrocatalysts during the Oxygen Evolution Reaction journal August 2021
X-ray photoelectron spectroscopic chemical state quantification of mixed nickel metal, oxide and hydroxide systems journal April 2009
An accurate and simple universal curve for the energy-dependent electron inelastic mean free path: Simple, accurate, universal expression for IMFPs journal December 2011
The electronic structure of iridium and its oxides: The electronic structure of iridium and its oxides journal December 2015
The X-ray photoelectron spectra of Ir, IrO 2 and IrCl 3 revisited: The X-ray photoelectron spectra of Ir, IrO 2 and IrCl 3 revisited journal March 2017
Resolving surface chemical states in XPS analysis of first row transition metals, oxides and hydroxides: Sc, Ti, V, Cu and Zn journal November 2010
Insights into electrocatalysis from ambient pressure photoelectron spectroscopy journal October 2019
Recent developments in catalyst-related PEM fuel cell durability journal June 2020
Preparation of boron-carbide-supported iridium nanoclusters for the oxygen evolution reaction journal December 2020
Application of X-ray photoelectron spectroscopy to studies of electrodes in fuel cells and electrolyzers journal February 2019
Development of high-performance roll-to-roll-coated gas-diffusion-electrode-based fuel cells journal September 2021
Multi-technique characterization of spray coated and roll-to-roll coated gas diffusion fuel cell electrodes journal March 2023
Aging gracefully? Investigating iridium oxide ink's impact on microstructure, catalyst/ionomer interface, and PEMWE performance journal October 2023
Utilizing ink composition to tune bulk-electrode gas transport, performance, and operational robustness for a Fe–N–C catalyst in polymer electrolyte fuel cell journal September 2020
Differential Charging in X-ray Photoelectron Spectroscopy:  A Nuisance or a Useful Tool? journal December 2003
X-ray Photoelectron Spectroscopy Analysis of Nafion-Containing Samples: Pitfalls, Protocols, and Perceptions of Physicochemical Properties journal May 2024
3D Analysis of Fuel Cell Electrocatalyst Degradation on Alternate Carbon Supports journal August 2017
Investigation of the Microstructure and Rheology of Iridium Oxide Catalyst Inks for Low-Temperature Polymer Electrolyte Membrane Water Electrolyzers journal November 2019
Dictating Pt-Based Electrocatalyst Performance in Polymer Electrolyte Fuel Cells, from Formulation to Application journal November 2019
Iridium Oxohydroxide, a Significant Member in the Family of Iridium Oxides. Stoichiometry, Characterization, and Implications in Bioelectrodes journal February 2012
New roads and challenges for fuel cells in heavy-duty transportation journal March 2021
Challenges in applying highly active Pt-based nanostructured catalysts for oxygen reduction reactions to fuel cell vehicles journal January 2021
Highly active nano-sized iridium catalysts: synthesis and operando spectroscopy in a proton exchange membrane electrolyzer journal January 2018
Pt7Sn3 Catalysts for Ethanol Electro-Oxidation: Correlation between Surface Structure and Catalytic Activity journal October 2011
Impact of Catalyst Ink Dispersing Solvent on PEM Fuel Cell Performance and Durability journal April 2021
Multi-Scale Multi-Technique Characterization Approach for Analysis of PEM Electrolyzer Catalyst Layer Degradation journal June 2022
Impact of Platinum Loading and Layer Thickness on Cathode Catalyst Degradation in PEM Fuel Cells journal February 2023
Degradation Effects at the Porous Transport Layer/Catalyst Layer Interface in Polymer Electrolyte Membrane Water Electrolyzer journal March 2023
Catalyst Layer Resistance and Utilization in PEM Electrolysis journal August 2023
Electrolyzer Durability at Low Catalyst Loading and with Dynamic Operation journal January 2019
Chemical and Ionic Conductivity Degradation of Ultra-Thin Ionomer Film by X-ray Beam Exposure journal January 2013
Mapping Microscale Chemical Heterogeneity in Nafion Membranes with X-ray Photoelectron Spectroscopy journal January 2018
Ink Solvent Dependence of the Ionomer Distribution in the Catalyst Layer of a PEMFC journal January 2018
Identifying Degradation Phenomena in PEM Fuel Cell MEAs Via Electron Microscopy journal June 2006

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Related Subjects

08 HYDROGEN
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
ionomer
iridium oxide catalysts
surface composition
water electrolyzers
x-ray photoelectron spectroscopy