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Title: Parallel Electrochemical Treatment System and Application for Identifying Acid-Stable Oxygen Evolution Electrocatalysts

Abstract

There are many energy technologies require electrochemical stability or preactivation of functional materials. Due to the long experiment duration required for either electrochemical preactivation or evaluation of operational stability, parallel screening is required to enable high throughput experimentation. We found that imposing operational electrochemical conditions to a library of materials in parallel creates several opportunities for experimental artifacts. We discuss the electrochemical engineering principles and operational parameters that mitigate artifacts int he parallel electrochemical treatment system. We also demonstrate the effects of resistive losses within the planar working electrode through a combination of finite element modeling and illustrative experiments. Operation of the parallel-plate, membrane-separated electrochemical treatment system is demonstrated by exposing a composition library of mixed metal oxides to oxygen evolution conditions in 1M sulfuric acid for 2h. This application is particularly important because the electrolysis and photoelectrolysis of water are promising future energy technologies inhibited by the lack of highly active, acid-stable catalysts containing only earth abundant elements.

Authors:
 [1];  [1];  [1];  [1];  [1];  [2];  [1]
+ Show Author Affiliations
  1. California Inst. of Technology (CalTech), Pasadena, CA (United States). Joint Center for Artificial Photosynthesis
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Engineering Division and Joint Center for Artificial Photosynthesis
Publication Date:
Research Org.:
California Institute of Technology (CalTech), Pasadena, CA (United States). Joint Center for Artificial Photosynthesis (JCAP)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1334338
Grant/Contract Number:  
SC0004993
Resource Type:
Accepted Manuscript
Journal Name:
ACS Combinatorial Science
Additional Journal Information:
Journal Volume: 17; Journal Issue: 2; Journal ID: ISSN 2156-8952
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; 25 ENERGY STORAGE; 42 ENGINEERING; 47 OTHER INSTRUMENTATION; solar fuels, high throughput, oxygen evolution, electrochemical stability, combinatorial electrochemistry.

Citation Formats

Jones, Ryan J. R., Shinde, Aniketa, Guevarra, Dan, Xiang, Chengxiang, Haber, Joel A., Jin, Jian, and Gregoire, John M. Parallel Electrochemical Treatment System and Application for Identifying Acid-Stable Oxygen Evolution Electrocatalysts. United States: N. p., 2015. Web. doi:10.1021/co500148p.
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Jones, Ryan J. R., Shinde, Aniketa, Guevarra, Dan, Xiang, Chengxiang, Haber, Joel A., Jin, Jian, & Gregoire, John M. Parallel Electrochemical Treatment System and Application for Identifying Acid-Stable Oxygen Evolution Electrocatalysts. United States. https://doi.org/10.1021/co500148p
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Jones, Ryan J. R., Shinde, Aniketa, Guevarra, Dan, Xiang, Chengxiang, Haber, Joel A., Jin, Jian, and Gregoire, John M. Mon . "Parallel Electrochemical Treatment System and Application for Identifying Acid-Stable Oxygen Evolution Electrocatalysts". United States. https://doi.org/10.1021/co500148p. https://www.osti.gov/servlets/purl/1334338.
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@article{osti_1334338,
title = {Parallel Electrochemical Treatment System and Application for Identifying Acid-Stable Oxygen Evolution Electrocatalysts},
author = {Jones, Ryan J. R. and Shinde, Aniketa and Guevarra, Dan and Xiang, Chengxiang and Haber, Joel A. and Jin, Jian and Gregoire, John M.},
abstractNote = {There are many energy technologies require electrochemical stability or preactivation of functional materials. Due to the long experiment duration required for either electrochemical preactivation or evaluation of operational stability, parallel screening is required to enable high throughput experimentation. We found that imposing operational electrochemical conditions to a library of materials in parallel creates several opportunities for experimental artifacts. We discuss the electrochemical engineering principles and operational parameters that mitigate artifacts int he parallel electrochemical treatment system. We also demonstrate the effects of resistive losses within the planar working electrode through a combination of finite element modeling and illustrative experiments. Operation of the parallel-plate, membrane-separated electrochemical treatment system is demonstrated by exposing a composition library of mixed metal oxides to oxygen evolution conditions in 1M sulfuric acid for 2h. This application is particularly important because the electrolysis and photoelectrolysis of water are promising future energy technologies inhibited by the lack of highly active, acid-stable catalysts containing only earth abundant elements.},
doi = {10.1021/co500148p},
journal = {ACS Combinatorial Science},
number = 2,
volume = 17,
place = {United States},
year = {Mon Jan 05 00:00:00 EST 2015},
month = {Mon Jan 05 00:00:00 EST 2015}
}
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Publisher's Version of Record
https://doi.org/10.1021/co500148p
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Works referenced in this record:

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    Works referencing / citing this record:

    Tracking materials science data lineage to manage millions of materials experiments and analyses
    journal, July 2019

    • Soedarmadji, Edwin; Stein, Helge S.; Suram, Santosh K.
    • npj Computational Materials, Vol. 5, Issue 1
    • DOI: 10.1038/s41524-019-0216-x

    Electrochemical trapping of metastable Mn 3+ ions for activation of MnO 2 oxygen evolution catalysts
    journal, May 2018

    • Morgan Chan, Zamyla; Kitchaev, Daniil A.; Nelson Weker, Johanna
    • Proceedings of the National Academy of Sciences, Vol. 115, Issue 23
    • DOI: 10.1073/pnas.1722235115
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