Triple ionic–electronic conducting oxides for next-generation electrochemical devices
Abstract
Triple ionic–electronic conductors (TIECs) are materials that can simultaneously transport electronic species alongside two ionic species. The recent emergence of TIECs provides intriguing opportunities to maximize performance in a variety of electrochemical devices, including fuel cells, membrane reactors and electrolysis cells. However, the potential application of these nascent materials is limited by lack of fundamental knowledge of their transport properties and electrocatalytic activity. The goal of this Review is to summarize and analyse the current understanding of TIEC transport and electrochemistry in single-phase materials, including defect formation and conduction mechanisms. In this work, we particularly focus on the discovery criteria (for example, crystal structure and ion electronegativity), design principles (for example, cation and anion substitution chemistry) and operating conditions (for example, atmosphere) of materials that enable deliberate tuning of the conductivity of each charge carrier. Lastly, we identify important areas for further advances, including higher chemical stability, lower operating temperatures and discovery of n-type TIEC materials.
- Authors:
-
[1];
[1];
[1];
[2]
- Colorado School of Mines, Golden, CO (United States); National Renewable Energy Lab. (NREL), Golden, CO (United States). Materials Science Center
- Colorado School of Mines, Golden, CO (United States)
- Publication Date:
- Research Org.:
- National Renewable Energy Laboratory (NREL), Golden, CO (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE); USDOE Advanced Research Projects Agency - Energy (ARPA-E)
- OSTI Identifier:
- 1762454
- Report Number(s):
- NREL/JA-5K00-73617
Journal ID: ISSN 1476-1122; MainId:6304;UUID:5d164467-7b55-e911-9c21-ac162d87dfe5;MainAdminID:19164
- Grant/Contract Number:
- AC36-08GO28308; AR0000808; AR0000493
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nature Materials
- Additional Journal Information:
- Journal Volume: 20; Journal Issue: 3; Journal ID: ISSN 1476-1122
- Publisher:
- Springer Nature - Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 25 ENERGY STORAGE; conductor; electrotronic materials; fuel cells; materials for devices
Citation Formats
Papac, Meagan, Stevanović, Vladan, Zakutayev, Andriy, and O’Hayre, Ryan. Triple ionic–electronic conducting oxides for next-generation electrochemical devices. United States: N. p., 2020.
Web. doi:10.1038/s41563-020-00854-8.
Papac, Meagan, Stevanović, Vladan, Zakutayev, Andriy, & O’Hayre, Ryan. Triple ionic–electronic conducting oxides for next-generation electrochemical devices. United States. https://doi.org/10.1038/s41563-020-00854-8
Papac, Meagan, Stevanović, Vladan, Zakutayev, Andriy, and O’Hayre, Ryan. Mon .
"Triple ionic–electronic conducting oxides for next-generation electrochemical devices". United States. https://doi.org/10.1038/s41563-020-00854-8. https://www.osti.gov/servlets/purl/1762454.
@article{osti_1762454,
title = {Triple ionic–electronic conducting oxides for next-generation electrochemical devices},
author = {Papac, Meagan and Stevanović, Vladan and Zakutayev, Andriy and O’Hayre, Ryan},
abstractNote = {Triple ionic–electronic conductors (TIECs) are materials that can simultaneously transport electronic species alongside two ionic species. The recent emergence of TIECs provides intriguing opportunities to maximize performance in a variety of electrochemical devices, including fuel cells, membrane reactors and electrolysis cells. However, the potential application of these nascent materials is limited by lack of fundamental knowledge of their transport properties and electrocatalytic activity. The goal of this Review is to summarize and analyse the current understanding of TIEC transport and electrochemistry in single-phase materials, including defect formation and conduction mechanisms. In this work, we particularly focus on the discovery criteria (for example, crystal structure and ion electronegativity), design principles (for example, cation and anion substitution chemistry) and operating conditions (for example, atmosphere) of materials that enable deliberate tuning of the conductivity of each charge carrier. Lastly, we identify important areas for further advances, including higher chemical stability, lower operating temperatures and discovery of n-type TIEC materials.},
doi = {10.1038/s41563-020-00854-8},
journal = {Nature Materials},
number = 3,
volume = 20,
place = {United States},
year = {Mon Dec 21 00:00:00 EST 2020},
month = {Mon Dec 21 00:00:00 EST 2020}
}
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