Oxalate anions-intercalated NiFe layered double hydroxide as a highly active and stable electrocatalyst for alkaline seawater oxidation
Copyright © 2024 Elsevier Inc. All rights reserved..
Seawater electrolysis is gaining recognition as a promising method for hydrogen production. However, severe anode corrosion caused by the high concentration of chloride ions (Cl-) poses a challenge for the long-term oxygen evolution reaction. Herein, an anti-corrosion strategy of oxalate anions intercalation in NiFe layered double hydroxide on nickel foam (NiFe-C2O42- LDH/NF) is proposed. The intercalation of these highly negatively charged C2O42- serves to establish electrostatic repulsion and impede Cl- adsorption. In alkaline seawater, NiFe-C2O42- LDH/NF requires an overpotential of 337 mV to gain the large current density of 1000 mA cm-2 and operates continuously for 500 h. The intercalation of C2O42- is demonstrated to significantly boost the activity and stability of NiFe LDH-based materials during alkaline seawater oxidation.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:662 |
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| Enthalten in: |
Journal of colloid and interface science - 662(2024) vom: 15. März, Seite 596-603 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Xiaoyan [VerfasserIn] |
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| Links: |
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| Themen: |
C(2)O(4)(2–) intercalated LDH |
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| Anmerkungen: |
Date Revised 12.03.2024 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.jcis.2024.02.043 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
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| 520 | |a Copyright © 2024 Elsevier Inc. All rights reserved. | ||
| 520 | |a Seawater electrolysis is gaining recognition as a promising method for hydrogen production. However, severe anode corrosion caused by the high concentration of chloride ions (Cl-) poses a challenge for the long-term oxygen evolution reaction. Herein, an anti-corrosion strategy of oxalate anions intercalation in NiFe layered double hydroxide on nickel foam (NiFe-C2O42- LDH/NF) is proposed. The intercalation of these highly negatively charged C2O42- serves to establish electrostatic repulsion and impede Cl- adsorption. In alkaline seawater, NiFe-C2O42- LDH/NF requires an overpotential of 337 mV to gain the large current density of 1000 mA cm-2 and operates continuously for 500 h. The intercalation of C2O42- is demonstrated to significantly boost the activity and stability of NiFe LDH-based materials during alkaline seawater oxidation | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a C(2)O(4)(2–) intercalated LDH | |
| 650 | 4 | |a Cl(–) corrosion | |
| 650 | 4 | |a Large current density | |
| 650 | 4 | |a Seawater electrolysis | |
| 700 | 1 | |a Li, Zixiao |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Shengjun |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Hang |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Chaoxin |e verfasserin |4 aut | |
| 700 | 1 | |a Cai, Zhengwei |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Hui |e verfasserin |4 aut | |
| 700 | 1 | |a Yue, Meng |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Min |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Hefeng |e verfasserin |4 aut | |
| 700 | 1 | |a Yao, Yongchao |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Qian |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Luming |e verfasserin |4 aut | |
| 700 | 1 | |a Chu, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Jianming |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Xuping |e verfasserin |4 aut | |
| 700 | 1 | |a Tang, Bo |e verfasserin |4 aut | |
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