Dynamic chloride ion adsorption on single iridium atom boosts seawater oxidation catalysis

Abstract Seawater electrolysis offers a renewable, scalable, and economic means for green hydrogen production. However, anode corrosion by Cl- pose great challenges for its commercialization. Herein, different from conventional catalysts designed to repel Cl- adsorption, we develop an atomic Ir cata...
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Autor*in:	Xinxuan Duan [verfasserIn] Qihao Sha [verfasserIn] Pengsong Li [verfasserIn] Tianshui Li [verfasserIn] Guotao Yang [verfasserIn] Wei Liu [verfasserIn] Ende Yu [verfasserIn] Daojin Zhou [verfasserIn] Jinjie Fang [verfasserIn] Wenxing Chen [verfasserIn] Yizhen Chen [verfasserIn] Lirong Zheng [verfasserIn] Jiangwen Liao [verfasserIn] Zeyu Wang [verfasserIn] Yaping Li [verfasserIn] Hongbin Yang [verfasserIn] Guoxin Zhang [verfasserIn] Zhongbin Zhuang [verfasserIn] Sung-Fu Hung [verfasserIn] Changfei Jing [verfasserIn] Jun Luo [verfasserIn] Lu Bai [verfasserIn] Juncai Dong [verfasserIn] Hai Xiao [verfasserIn] Wen Liu [verfasserIn] Yun Kuang [verfasserIn] Bin Liu [verfasserIn] Xiaoming Sun [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2024

Übergeordnetes Werk:	In: Nature Communications - Nature Portfolio, 2016, 15(2024), 1, Seite 11
Übergeordnetes Werk:	volume:15 ; year:2024 ; number:1 ; pages:11

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1038/s41467-024-46140-y

Katalog-ID:	DOAJ091189128

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allfields	10.1038/s41467-024-46140-y doi (DE-627)DOAJ091189128 (DE-599)DOAJ69f52f9a0e6940b09e07b2864afd803f DE-627 ger DE-627 rakwb eng Xinxuan Duan verfasserin aut Dynamic chloride ion adsorption on single iridium atom boosts seawater oxidation catalysis 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Seawater electrolysis offers a renewable, scalable, and economic means for green hydrogen production. However, anode corrosion by Cl- pose great challenges for its commercialization. Herein, different from conventional catalysts designed to repel Cl- adsorption, we develop an atomic Ir catalyst on cobalt iron layered double hydroxide (Ir/CoFe-LDH) to tailor Cl- adsorption and modulate the electronic structure of the Ir active center, thereby establishing a unique Ir-OH/Cl coordination for alkaline seawater electrolysis. Operando characterizations and theoretical calculations unveil the pivotal role of this coordination state to lower OER activation energy by a factor of 1.93. The Ir/CoFe-LDH exhibits a remarkable oxygen evolution reaction activity (202 mV overpotential and TOF = 7.46 O2 s−1) in 6 M NaOH+2.8 M NaCl, superior over Cl--free 6 M NaOH electrolyte (236 mV overpotential and TOF = 1.05 O2 s−1), with 100% catalytic selectivity and stability at high current densities (400-800 mA cm−2) for more than 1,000 h. Science Q Qihao Sha verfasserin aut Pengsong Li verfasserin aut Tianshui Li verfasserin aut Guotao Yang verfasserin aut Wei Liu verfasserin aut Ende Yu verfasserin aut Daojin Zhou verfasserin aut Jinjie Fang verfasserin aut Wenxing Chen verfasserin aut Yizhen Chen verfasserin aut Lirong Zheng verfasserin aut Jiangwen Liao verfasserin aut Zeyu Wang verfasserin aut Yaping Li verfasserin aut Hongbin Yang verfasserin aut Guoxin Zhang verfasserin aut Zhongbin Zhuang verfasserin aut Sung-Fu Hung verfasserin aut Changfei Jing verfasserin aut Jun Luo verfasserin aut Lu Bai verfasserin aut Juncai Dong verfasserin aut Hai Xiao verfasserin aut Wen Liu verfasserin aut Yun Kuang verfasserin aut Bin Liu verfasserin aut Xiaoming Sun verfasserin aut In Nature Communications Nature Portfolio, 2016 15(2024), 1, Seite 11 (DE-627)626457688 (DE-600)2553671-0 20411723 nnns volume:15 year:2024 number:1 pages:11 https://doi.org/10.1038/s41467-024-46140-y kostenfrei https://doaj.org/article/69f52f9a0e6940b09e07b2864afd803f kostenfrei https://doi.org/10.1038/s41467-024-46140-y kostenfrei https://doaj.org/toc/2041-1723 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_211 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2110 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2024 1 11
spelling	10.1038/s41467-024-46140-y doi (DE-627)DOAJ091189128 (DE-599)DOAJ69f52f9a0e6940b09e07b2864afd803f DE-627 ger DE-627 rakwb eng Xinxuan Duan verfasserin aut Dynamic chloride ion adsorption on single iridium atom boosts seawater oxidation catalysis 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Seawater electrolysis offers a renewable, scalable, and economic means for green hydrogen production. However, anode corrosion by Cl- pose great challenges for its commercialization. Herein, different from conventional catalysts designed to repel Cl- adsorption, we develop an atomic Ir catalyst on cobalt iron layered double hydroxide (Ir/CoFe-LDH) to tailor Cl- adsorption and modulate the electronic structure of the Ir active center, thereby establishing a unique Ir-OH/Cl coordination for alkaline seawater electrolysis. Operando characterizations and theoretical calculations unveil the pivotal role of this coordination state to lower OER activation energy by a factor of 1.93. The Ir/CoFe-LDH exhibits a remarkable oxygen evolution reaction activity (202 mV overpotential and TOF = 7.46 O2 s−1) in 6 M NaOH+2.8 M NaCl, superior over Cl--free 6 M NaOH electrolyte (236 mV overpotential and TOF = 1.05 O2 s−1), with 100% catalytic selectivity and stability at high current densities (400-800 mA cm−2) for more than 1,000 h. Science Q Qihao Sha verfasserin aut Pengsong Li verfasserin aut Tianshui Li verfasserin aut Guotao Yang verfasserin aut Wei Liu verfasserin aut Ende Yu verfasserin aut Daojin Zhou verfasserin aut Jinjie Fang verfasserin aut Wenxing Chen verfasserin aut Yizhen Chen verfasserin aut Lirong Zheng verfasserin aut Jiangwen Liao verfasserin aut Zeyu Wang verfasserin aut Yaping Li verfasserin aut Hongbin Yang verfasserin aut Guoxin Zhang verfasserin aut Zhongbin Zhuang verfasserin aut Sung-Fu Hung verfasserin aut Changfei Jing verfasserin aut Jun Luo verfasserin aut Lu Bai verfasserin aut Juncai Dong verfasserin aut Hai Xiao verfasserin aut Wen Liu verfasserin aut Yun Kuang verfasserin aut Bin Liu verfasserin aut Xiaoming Sun verfasserin aut In Nature Communications Nature Portfolio, 2016 15(2024), 1, Seite 11 (DE-627)626457688 (DE-600)2553671-0 20411723 nnns volume:15 year:2024 number:1 pages:11 https://doi.org/10.1038/s41467-024-46140-y kostenfrei https://doaj.org/article/69f52f9a0e6940b09e07b2864afd803f kostenfrei https://doi.org/10.1038/s41467-024-46140-y kostenfrei https://doaj.org/toc/2041-1723 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_211 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2110 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2024 1 11
allfields_unstemmed	10.1038/s41467-024-46140-y doi (DE-627)DOAJ091189128 (DE-599)DOAJ69f52f9a0e6940b09e07b2864afd803f DE-627 ger DE-627 rakwb eng Xinxuan Duan verfasserin aut Dynamic chloride ion adsorption on single iridium atom boosts seawater oxidation catalysis 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Seawater electrolysis offers a renewable, scalable, and economic means for green hydrogen production. However, anode corrosion by Cl- pose great challenges for its commercialization. Herein, different from conventional catalysts designed to repel Cl- adsorption, we develop an atomic Ir catalyst on cobalt iron layered double hydroxide (Ir/CoFe-LDH) to tailor Cl- adsorption and modulate the electronic structure of the Ir active center, thereby establishing a unique Ir-OH/Cl coordination for alkaline seawater electrolysis. Operando characterizations and theoretical calculations unveil the pivotal role of this coordination state to lower OER activation energy by a factor of 1.93. The Ir/CoFe-LDH exhibits a remarkable oxygen evolution reaction activity (202 mV overpotential and TOF = 7.46 O2 s−1) in 6 M NaOH+2.8 M NaCl, superior over Cl--free 6 M NaOH electrolyte (236 mV overpotential and TOF = 1.05 O2 s−1), with 100% catalytic selectivity and stability at high current densities (400-800 mA cm−2) for more than 1,000 h. Science Q Qihao Sha verfasserin aut Pengsong Li verfasserin aut Tianshui Li verfasserin aut Guotao Yang verfasserin aut Wei Liu verfasserin aut Ende Yu verfasserin aut Daojin Zhou verfasserin aut Jinjie Fang verfasserin aut Wenxing Chen verfasserin aut Yizhen Chen verfasserin aut Lirong Zheng verfasserin aut Jiangwen Liao verfasserin aut Zeyu Wang verfasserin aut Yaping Li verfasserin aut Hongbin Yang verfasserin aut Guoxin Zhang verfasserin aut Zhongbin Zhuang verfasserin aut Sung-Fu Hung verfasserin aut Changfei Jing verfasserin aut Jun Luo verfasserin aut Lu Bai verfasserin aut Juncai Dong verfasserin aut Hai Xiao verfasserin aut Wen Liu verfasserin aut Yun Kuang verfasserin aut Bin Liu verfasserin aut Xiaoming Sun verfasserin aut In Nature Communications Nature Portfolio, 2016 15(2024), 1, Seite 11 (DE-627)626457688 (DE-600)2553671-0 20411723 nnns volume:15 year:2024 number:1 pages:11 https://doi.org/10.1038/s41467-024-46140-y kostenfrei https://doaj.org/article/69f52f9a0e6940b09e07b2864afd803f kostenfrei https://doi.org/10.1038/s41467-024-46140-y kostenfrei https://doaj.org/toc/2041-1723 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_211 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2110 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2024 1 11
allfieldsGer	10.1038/s41467-024-46140-y doi (DE-627)DOAJ091189128 (DE-599)DOAJ69f52f9a0e6940b09e07b2864afd803f DE-627 ger DE-627 rakwb eng Xinxuan Duan verfasserin aut Dynamic chloride ion adsorption on single iridium atom boosts seawater oxidation catalysis 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Seawater electrolysis offers a renewable, scalable, and economic means for green hydrogen production. However, anode corrosion by Cl- pose great challenges for its commercialization. Herein, different from conventional catalysts designed to repel Cl- adsorption, we develop an atomic Ir catalyst on cobalt iron layered double hydroxide (Ir/CoFe-LDH) to tailor Cl- adsorption and modulate the electronic structure of the Ir active center, thereby establishing a unique Ir-OH/Cl coordination for alkaline seawater electrolysis. Operando characterizations and theoretical calculations unveil the pivotal role of this coordination state to lower OER activation energy by a factor of 1.93. The Ir/CoFe-LDH exhibits a remarkable oxygen evolution reaction activity (202 mV overpotential and TOF = 7.46 O2 s−1) in 6 M NaOH+2.8 M NaCl, superior over Cl--free 6 M NaOH electrolyte (236 mV overpotential and TOF = 1.05 O2 s−1), with 100% catalytic selectivity and stability at high current densities (400-800 mA cm−2) for more than 1,000 h. Science Q Qihao Sha verfasserin aut Pengsong Li verfasserin aut Tianshui Li verfasserin aut Guotao Yang verfasserin aut Wei Liu verfasserin aut Ende Yu verfasserin aut Daojin Zhou verfasserin aut Jinjie Fang verfasserin aut Wenxing Chen verfasserin aut Yizhen Chen verfasserin aut Lirong Zheng verfasserin aut Jiangwen Liao verfasserin aut Zeyu Wang verfasserin aut Yaping Li verfasserin aut Hongbin Yang verfasserin aut Guoxin Zhang verfasserin aut Zhongbin Zhuang verfasserin aut Sung-Fu Hung verfasserin aut Changfei Jing verfasserin aut Jun Luo verfasserin aut Lu Bai verfasserin aut Juncai Dong verfasserin aut Hai Xiao verfasserin aut Wen Liu verfasserin aut Yun Kuang verfasserin aut Bin Liu verfasserin aut Xiaoming Sun verfasserin aut In Nature Communications Nature Portfolio, 2016 15(2024), 1, Seite 11 (DE-627)626457688 (DE-600)2553671-0 20411723 nnns volume:15 year:2024 number:1 pages:11 https://doi.org/10.1038/s41467-024-46140-y kostenfrei https://doaj.org/article/69f52f9a0e6940b09e07b2864afd803f kostenfrei https://doi.org/10.1038/s41467-024-46140-y kostenfrei https://doaj.org/toc/2041-1723 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_211 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2110 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2024 1 11
allfieldsSound	10.1038/s41467-024-46140-y doi (DE-627)DOAJ091189128 (DE-599)DOAJ69f52f9a0e6940b09e07b2864afd803f DE-627 ger DE-627 rakwb eng Xinxuan Duan verfasserin aut Dynamic chloride ion adsorption on single iridium atom boosts seawater oxidation catalysis 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Seawater electrolysis offers a renewable, scalable, and economic means for green hydrogen production. However, anode corrosion by Cl- pose great challenges for its commercialization. Herein, different from conventional catalysts designed to repel Cl- adsorption, we develop an atomic Ir catalyst on cobalt iron layered double hydroxide (Ir/CoFe-LDH) to tailor Cl- adsorption and modulate the electronic structure of the Ir active center, thereby establishing a unique Ir-OH/Cl coordination for alkaline seawater electrolysis. Operando characterizations and theoretical calculations unveil the pivotal role of this coordination state to lower OER activation energy by a factor of 1.93. The Ir/CoFe-LDH exhibits a remarkable oxygen evolution reaction activity (202 mV overpotential and TOF = 7.46 O2 s−1) in 6 M NaOH+2.8 M NaCl, superior over Cl--free 6 M NaOH electrolyte (236 mV overpotential and TOF = 1.05 O2 s−1), with 100% catalytic selectivity and stability at high current densities (400-800 mA cm−2) for more than 1,000 h. Science Q Qihao Sha verfasserin aut Pengsong Li verfasserin aut Tianshui Li verfasserin aut Guotao Yang verfasserin aut Wei Liu verfasserin aut Ende Yu verfasserin aut Daojin Zhou verfasserin aut Jinjie Fang verfasserin aut Wenxing Chen verfasserin aut Yizhen Chen verfasserin aut Lirong Zheng verfasserin aut Jiangwen Liao verfasserin aut Zeyu Wang verfasserin aut Yaping Li verfasserin aut Hongbin Yang verfasserin aut Guoxin Zhang verfasserin aut Zhongbin Zhuang verfasserin aut Sung-Fu Hung verfasserin aut Changfei Jing verfasserin aut Jun Luo verfasserin aut Lu Bai verfasserin aut Juncai Dong verfasserin aut Hai Xiao verfasserin aut Wen Liu verfasserin aut Yun Kuang verfasserin aut Bin Liu verfasserin aut Xiaoming Sun verfasserin aut In Nature Communications Nature Portfolio, 2016 15(2024), 1, Seite 11 (DE-627)626457688 (DE-600)2553671-0 20411723 nnns volume:15 year:2024 number:1 pages:11 https://doi.org/10.1038/s41467-024-46140-y kostenfrei https://doaj.org/article/69f52f9a0e6940b09e07b2864afd803f kostenfrei https://doi.org/10.1038/s41467-024-46140-y kostenfrei https://doaj.org/toc/2041-1723 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_211 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2110 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2024 1 11
language	English
source	In Nature Communications 15(2024), 1, Seite 11 volume:15 year:2024 number:1 pages:11
sourceStr	In Nature Communications 15(2024), 1, Seite 11 volume:15 year:2024 number:1 pages:11
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Science Q
isfreeaccess_bool	true
container_title	Nature Communications
authorswithroles_txt_mv	Xinxuan Duan @@aut@@ Qihao Sha @@aut@@ Pengsong Li @@aut@@ Tianshui Li @@aut@@ Guotao Yang @@aut@@ Wei Liu @@aut@@ Ende Yu @@aut@@ Daojin Zhou @@aut@@ Jinjie Fang @@aut@@ Wenxing Chen @@aut@@ Yizhen Chen @@aut@@ Lirong Zheng @@aut@@ Jiangwen Liao @@aut@@ Zeyu Wang @@aut@@ Yaping Li @@aut@@ Hongbin Yang @@aut@@ Guoxin Zhang @@aut@@ Zhongbin Zhuang @@aut@@ Sung-Fu Hung @@aut@@ Changfei Jing @@aut@@ Jun Luo @@aut@@ Lu Bai @@aut@@ Juncai Dong @@aut@@ Hai Xiao @@aut@@ Wen Liu @@aut@@ Yun Kuang @@aut@@ Bin Liu @@aut@@ Xiaoming Sun @@aut@@
publishDateDaySort_date	2024-01-01T00:00:00Z
hierarchy_top_id	626457688
id	DOAJ091189128
language_de	englisch
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author	Xinxuan Duan
spellingShingle	Xinxuan Duan misc Science misc Q Dynamic chloride ion adsorption on single iridium atom boosts seawater oxidation catalysis
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topic_title	Dynamic chloride ion adsorption on single iridium atom boosts seawater oxidation catalysis
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title	Dynamic chloride ion adsorption on single iridium atom boosts seawater oxidation catalysis
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title_full	Dynamic chloride ion adsorption on single iridium atom boosts seawater oxidation catalysis
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author_browse	Xinxuan Duan Qihao Sha Pengsong Li Tianshui Li Guotao Yang Wei Liu Ende Yu Daojin Zhou Jinjie Fang Wenxing Chen Yizhen Chen Lirong Zheng Jiangwen Liao Zeyu Wang Yaping Li Hongbin Yang Guoxin Zhang Zhongbin Zhuang Sung-Fu Hung Changfei Jing Jun Luo Lu Bai Juncai Dong Hai Xiao Wen Liu Yun Kuang Bin Liu Xiaoming Sun
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title_sort	dynamic chloride ion adsorption on single iridium atom boosts seawater oxidation catalysis
title_auth	Dynamic chloride ion adsorption on single iridium atom boosts seawater oxidation catalysis
abstract	Abstract Seawater electrolysis offers a renewable, scalable, and economic means for green hydrogen production. However, anode corrosion by Cl- pose great challenges for its commercialization. Herein, different from conventional catalysts designed to repel Cl- adsorption, we develop an atomic Ir catalyst on cobalt iron layered double hydroxide (Ir/CoFe-LDH) to tailor Cl- adsorption and modulate the electronic structure of the Ir active center, thereby establishing a unique Ir-OH/Cl coordination for alkaline seawater electrolysis. Operando characterizations and theoretical calculations unveil the pivotal role of this coordination state to lower OER activation energy by a factor of 1.93. The Ir/CoFe-LDH exhibits a remarkable oxygen evolution reaction activity (202 mV overpotential and TOF = 7.46 O2 s−1) in 6 M NaOH+2.8 M NaCl, superior over Cl--free 6 M NaOH electrolyte (236 mV overpotential and TOF = 1.05 O2 s−1), with 100% catalytic selectivity and stability at high current densities (400-800 mA cm−2) for more than 1,000 h.
abstractGer	Abstract Seawater electrolysis offers a renewable, scalable, and economic means for green hydrogen production. However, anode corrosion by Cl- pose great challenges for its commercialization. Herein, different from conventional catalysts designed to repel Cl- adsorption, we develop an atomic Ir catalyst on cobalt iron layered double hydroxide (Ir/CoFe-LDH) to tailor Cl- adsorption and modulate the electronic structure of the Ir active center, thereby establishing a unique Ir-OH/Cl coordination for alkaline seawater electrolysis. Operando characterizations and theoretical calculations unveil the pivotal role of this coordination state to lower OER activation energy by a factor of 1.93. The Ir/CoFe-LDH exhibits a remarkable oxygen evolution reaction activity (202 mV overpotential and TOF = 7.46 O2 s−1) in 6 M NaOH+2.8 M NaCl, superior over Cl--free 6 M NaOH electrolyte (236 mV overpotential and TOF = 1.05 O2 s−1), with 100% catalytic selectivity and stability at high current densities (400-800 mA cm−2) for more than 1,000 h.
abstract_unstemmed	Abstract Seawater electrolysis offers a renewable, scalable, and economic means for green hydrogen production. However, anode corrosion by Cl- pose great challenges for its commercialization. Herein, different from conventional catalysts designed to repel Cl- adsorption, we develop an atomic Ir catalyst on cobalt iron layered double hydroxide (Ir/CoFe-LDH) to tailor Cl- adsorption and modulate the electronic structure of the Ir active center, thereby establishing a unique Ir-OH/Cl coordination for alkaline seawater electrolysis. Operando characterizations and theoretical calculations unveil the pivotal role of this coordination state to lower OER activation energy by a factor of 1.93. The Ir/CoFe-LDH exhibits a remarkable oxygen evolution reaction activity (202 mV overpotential and TOF = 7.46 O2 s−1) in 6 M NaOH+2.8 M NaCl, superior over Cl--free 6 M NaOH electrolyte (236 mV overpotential and TOF = 1.05 O2 s−1), with 100% catalytic selectivity and stability at high current densities (400-800 mA cm−2) for more than 1,000 h.
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title_short	Dynamic chloride ion adsorption on single iridium atom boosts seawater oxidation catalysis
url	https://doi.org/10.1038/s41467-024-46140-y https://doaj.org/article/69f52f9a0e6940b09e07b2864afd803f https://doaj.org/toc/2041-1723
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author2	Qihao Sha Pengsong Li Tianshui Li Guotao Yang Wei Liu Ende Yu Daojin Zhou Jinjie Fang Wenxing Chen Yizhen Chen Lirong Zheng Jiangwen Liao Zeyu Wang Yaping Li Hongbin Yang Guoxin Zhang Zhongbin Zhuang Sung-Fu Hung Changfei Jing Jun Luo Lu Bai Juncai Dong Hai Xiao Wen Liu Yun Kuang Bin Liu Xiaoming Sun
author2Str	Qihao Sha Pengsong Li Tianshui Li Guotao Yang Wei Liu Ende Yu Daojin Zhou Jinjie Fang Wenxing Chen Yizhen Chen Lirong Zheng Jiangwen Liao Zeyu Wang Yaping Li Hongbin Yang Guoxin Zhang Zhongbin Zhuang Sung-Fu Hung Changfei Jing Jun Luo Lu Bai Juncai Dong Hai Xiao Wen Liu Yun Kuang Bin Liu Xiaoming Sun
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up_date	2024-07-03T18:58:24.191Z
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Dynamic chloride ion adsorption on single iridium atom boosts seawater oxidation catalysis

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