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Boride-derived oxyg...
Boride-derived oxygen-evolution catalysts
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- Wang, Ning (författare)
- School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, China; Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, Ontario, M5S 1A4, Canada
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- Xu, Aoni (författare)
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, Ontario, M5S 1A4, Canada
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- Ou, Pengfei (författare)
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, Ontario, M5S 1A4, Canada
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- Hung, Sung-Fu (författare)
- Department of Applied Chemistry, National Chiao Tung University, Hsinchu, 300, Taiwan, ROC
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- Ozden, Adnan (författare)
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, Ontario, M5S 3G8, Canada
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- Lu, Ying-Rui (författare)
- National Synchrotron Radiation Research Center, Hsinchu, 30076, Taiwan, ROC
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- Abed, Jehad (författare)
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, Ontario, M5S 1A4, Canada
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- Wang, Ziyun (författare)
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, Ontario, M5S 1A4, Canada
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- Yan, Yu (författare)
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, Ontario, M5S 1A4, Canada
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- Sun, Meng-Jia (författare)
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, Ontario, M5S 1A4, Canada
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- Xia, Yujian (författare)
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Materials and Devices, Soochow University, Suzhou, Jiangsu, 215123, China
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- Han, Mei (författare)
- School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, China
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- Han, Jingrui (författare)
- School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, China
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- Yao, Kaili (författare)
- School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, China
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- Wu, Feng-Yi (författare)
- Department of Applied Chemistry, National Chiao Tung University, Hsinchu, 300, Taiwan, ROC
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- Chen, Pei-Hsuan (författare)
- Department of Applied Chemistry, National Chiao Tung University, Hsinchu, 300, Taiwan, ROC
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- Vomiero, Alberto (författare)
- Luleå tekniska universitet,Materialvetenskap,Department of Molecular Sciences and Nanosystems, Ca’ Foscari University of Venice, Via Torino 155, 30172, Venezia Mestre, Italy
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- Seifitokaldani, Ali (författare)
- Department of Chemical Engineering, McGill University, Montreal, Quebec, H3A 0C5, Canada
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- Sun, Xuhui (författare)
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Materials and Devices, Soochow University, Suzhou, Jiangsu, 215123, China
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- Sinton, David (författare)
- Department of Applied Chemistry, National Chiao Tung University, Hsinchu, 300, Taiwan, ROC
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- Liu, Yongchang (författare)
- School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, China
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- Sargent, Edward H. (författare)
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, Ontario, M5S 1A4, Canada
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- Liang, Hongyan (författare)
- School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, China
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(creator_code:org_t)
- 2021-10-19
- 2021
- Engelska.
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Ingår i: Nature Communications. - : Springer Nature. - 2041-1723. ; 12
- Relaterad länk:
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https://www.nature.c...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Metal borides/borates have been considered promising as oxygen evolution reaction catalysts; however, to date, there is a dearth of evidence of long-term stability at practical current densities. Here we report a phase composition modulation approach to fabricate effective borides/borates-based catalysts. We find that metal borides in-situ formed metal borates are responsible for their high activity. This knowledge prompts us to synthesize NiFe-Boride, and to use it as a templating precursor to form an active NiFe-Borate catalyst. This boride-derived oxide catalyzes oxygen evolution with an overpotential of 167 mV at 10 mA/cm2 in 1 M KOH electrolyte and requires a record-low overpotential of 460 mV to maintain water splitting performance for over 400 h at current density of 1 A/cm2. We couple the catalyst with CO reduction in an alkaline membrane electrode assembly electrolyser, reporting stable C2H4 electrosynthesis at current density 200 mA/cm2 for over 80 h.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- Experimentell fysik
- Experimental Physics
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Till lärosätets databas
- Av författaren/redakt...
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Wang, Ning
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Xu, Aoni
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Ou, Pengfei
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Hung, Sung-Fu
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Ozden, Adnan
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Lu, Ying-Rui
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visa fler...
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Abed, Jehad
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Wang, Ziyun
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Yan, Yu
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Sun, Meng-Jia
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Xia, Yujian
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Han, Mei
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Han, Jingrui
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Yao, Kaili
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Wu, Feng-Yi
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Chen, Pei-Hsuan
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Vomiero, Alberto
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Seifitokaldani, ...
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Sun, Xuhui
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Sinton, David
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Liu, Yongchang
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Sargent, Edward ...
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Liang, Hongyan
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