Insights into Electrochemical Reactions from Ambient Pressure Photoelectron Spectroscopy

The understanding of fundamental processes in the bulk and at the interfaces of electrochemical devices is a prerequisite for the development of new technologies with higher efficiency and improved performance. One energy storage scheme of great interest is splitting water to form hydrogen and oxyge...

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Main Authors: Crumlin, Ethan J., Bluhm, Hendrik, Stoerzinger, Kelsey Ann, Hong, Wesley Terrence, Shao-Horn, Yang
Other Authors: Massachusetts Institute of Technology. Department of Materials Science and Engineering
Format: Article
Language:en_US
Published: American Chemical Society (ACS) 2017
Online Access:http://hdl.handle.net/1721.1/109738
https://orcid.org/0000-0003-1560-0749
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author Crumlin, Ethan J.
Bluhm, Hendrik
Stoerzinger, Kelsey Ann
Hong, Wesley Terrence
Shao-Horn, Yang
author2 Massachusetts Institute of Technology. Department of Materials Science and Engineering
author_facet Massachusetts Institute of Technology. Department of Materials Science and Engineering
Crumlin, Ethan J.
Bluhm, Hendrik
Stoerzinger, Kelsey Ann
Hong, Wesley Terrence
Shao-Horn, Yang
author_sort Crumlin, Ethan J.
collection MIT
description The understanding of fundamental processes in the bulk and at the interfaces of electrochemical devices is a prerequisite for the development of new technologies with higher efficiency and improved performance. One energy storage scheme of great interest is splitting water to form hydrogen and oxygen gas and converting back to electrical energy by their subsequent recombination with only water as a byproduct. However, kinetic limitations to the rate of oxygen-based electrochemical reactions hamper the efficiency in technologies such as solar fuels, fuel cells, and electrolyzers. For these reactions, the use of metal oxides as electrocatalysts is prevalent due to their stability, low cost, and ability to store oxygen within the lattice. However, due to the inherently convoluted nature of electrochemical and chemical processes in electrochemical systems, it is difficult to isolate and study individual electrochemical processes in a complex system. Therefore, in situ characterization tools are required for observing related physical and chemical processes directly at the places where and while they occur and can help elucidate the mechanisms of charge separation and charge transfer at electrochemical interfaces.
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spelling mit-1721.1/1097382022-09-30T00:22:33Z Insights into Electrochemical Reactions from Ambient Pressure Photoelectron Spectroscopy Crumlin, Ethan J. Bluhm, Hendrik Stoerzinger, Kelsey Ann Hong, Wesley Terrence Shao-Horn, Yang Massachusetts Institute of Technology. Department of Materials Science and Engineering Shao-Horn, Yang Stoerzinger, Kelsey Ann Hong, Wesley Terrence Shao-Horn, Yang The understanding of fundamental processes in the bulk and at the interfaces of electrochemical devices is a prerequisite for the development of new technologies with higher efficiency and improved performance. One energy storage scheme of great interest is splitting water to form hydrogen and oxygen gas and converting back to electrical energy by their subsequent recombination with only water as a byproduct. However, kinetic limitations to the rate of oxygen-based electrochemical reactions hamper the efficiency in technologies such as solar fuels, fuel cells, and electrolyzers. For these reactions, the use of metal oxides as electrocatalysts is prevalent due to their stability, low cost, and ability to store oxygen within the lattice. However, due to the inherently convoluted nature of electrochemical and chemical processes in electrochemical systems, it is difficult to isolate and study individual electrochemical processes in a complex system. Therefore, in situ characterization tools are required for observing related physical and chemical processes directly at the places where and while they occur and can help elucidate the mechanisms of charge separation and charge transfer at electrochemical interfaces. National Science Foundation (U.S.). Materials Research Science and Engineering Centers (Program) Skoltech-MIT Center for Electrochemical Energy Storage United States. Department of Energy National Energy Technology Laboratory (U.S.) Solid State Energy Conversion Alliance. Core Technology Program (DEFE0009435) 2017-06-08T14:40:03Z 2017-06-08T14:40:03Z 2015-08 2015-05 Article http://purl.org/eprint/type/JournalArticle 0001-4842 1520-4898 http://hdl.handle.net/1721.1/109738 Stoerzinger, Kelsey A. et al. “Insights into Electrochemical Reactions from Ambient Pressure Photoelectron Spectroscopy.” Accounts of Chemical Research 48.11 (2015): 2976–2983. https://orcid.org/0000-0003-1560-0749 en_US http://dx.doi.org/10.1021/acs.accounts.5b00275 Accounts of Chemical Research Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf American Chemical Society (ACS) Prof. Shao-Horn via Angie Locknar
spellingShingle Crumlin, Ethan J.
Bluhm, Hendrik
Stoerzinger, Kelsey Ann
Hong, Wesley Terrence
Shao-Horn, Yang
Insights into Electrochemical Reactions from Ambient Pressure Photoelectron Spectroscopy
title Insights into Electrochemical Reactions from Ambient Pressure Photoelectron Spectroscopy
title_full Insights into Electrochemical Reactions from Ambient Pressure Photoelectron Spectroscopy
title_fullStr Insights into Electrochemical Reactions from Ambient Pressure Photoelectron Spectroscopy
title_full_unstemmed Insights into Electrochemical Reactions from Ambient Pressure Photoelectron Spectroscopy
title_short Insights into Electrochemical Reactions from Ambient Pressure Photoelectron Spectroscopy
title_sort insights into electrochemical reactions from ambient pressure photoelectron spectroscopy
url http://hdl.handle.net/1721.1/109738
https://orcid.org/0000-0003-1560-0749
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