Crystal OH mediating pathway for hydrogen peroxide production via two-electron water oxidation in non-carbonate electrolytes
Abstract Water oxidation presents a promising avenue for hydrogen peroxide (H2O2) production. However, the reliance on alkaline bicarbonate electrolytes as an intermediate has limitations, such as H2O2 decomposition and a narrow pH effectiveness range (7–9), restricting its utility across wider pH r...
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Nature Portfolio
2024-12-01
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| Series: | Nature Communications |
| Online Access: | https://doi.org/10.1038/s41467-024-54593-4 |
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| author | Ruilin Wang Hao Luo Chengyu Duan Huimin Liu Mengdi Sun Quan Zhou Zheshun Ou Yinglong Lu Guanghui Luo Jimmy C. Yu Zhuofeng Hu |
| author_facet | Ruilin Wang Hao Luo Chengyu Duan Huimin Liu Mengdi Sun Quan Zhou Zheshun Ou Yinglong Lu Guanghui Luo Jimmy C. Yu Zhuofeng Hu |
| author_sort | Ruilin Wang |
| collection | DOAJ |
| description | Abstract Water oxidation presents a promising avenue for hydrogen peroxide (H2O2) production. However, the reliance on alkaline bicarbonate electrolytes as an intermediate has limitations, such as H2O2 decomposition and a narrow pH effectiveness range (7–9), restricting its utility across wider pH ranges. This study unveils a crystal OH mediating pathway that stabilizes SO4OH* as a crucial intermediate. Basic copper carbonate (Cu2(OH)2CO3) tablets, commonly found on cultural relics, exhibit the capability to generate H2O2 in neutral or acidic non-bicarbonate electrolytes. By leveraging this crystal OH mediating strategy, considerable H2O2 production in Na2SO4 electrolytes is achievable. Notably, the H2O2 production rate can reach 64.35 μmol h−1 at 3.4 V vs. RHE in a 50 mL 0.5 M Na2SO4 electrolyte. This research underscores the importance of crystal part in catalyst in catalyzing the 2e− water oxidation reaction, offering valuable insights for future investigations. |
| format | Article |
| id | doaj-art-567c18af36c242b3ba6a77b3657d9e23 |
| institution | Kabale University |
| issn | 2041-1723 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Nature Communications |
| spelling | doaj-art-567c18af36c242b3ba6a77b3657d9e232024-12-08T12:35:25ZengNature PortfolioNature Communications2041-17232024-12-0115111210.1038/s41467-024-54593-4Crystal OH mediating pathway for hydrogen peroxide production via two-electron water oxidation in non-carbonate electrolytesRuilin Wang0Hao Luo1Chengyu Duan2Huimin Liu3Mengdi Sun4Quan Zhou5Zheshun Ou6Yinglong Lu7Guanghui Luo8Jimmy C. Yu9Zhuofeng Hu10School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen UniversitySchool of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen UniversitySchool of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen UniversitySchool of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen UniversitySchool of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen UniversitySchool of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen UniversitySchool of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen UniversitySchool of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen UniversitySchool of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen UniversityDepartment of chemistry, The Chinese University of Hong KongSchool of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen UniversityAbstract Water oxidation presents a promising avenue for hydrogen peroxide (H2O2) production. However, the reliance on alkaline bicarbonate electrolytes as an intermediate has limitations, such as H2O2 decomposition and a narrow pH effectiveness range (7–9), restricting its utility across wider pH ranges. This study unveils a crystal OH mediating pathway that stabilizes SO4OH* as a crucial intermediate. Basic copper carbonate (Cu2(OH)2CO3) tablets, commonly found on cultural relics, exhibit the capability to generate H2O2 in neutral or acidic non-bicarbonate electrolytes. By leveraging this crystal OH mediating strategy, considerable H2O2 production in Na2SO4 electrolytes is achievable. Notably, the H2O2 production rate can reach 64.35 μmol h−1 at 3.4 V vs. RHE in a 50 mL 0.5 M Na2SO4 electrolyte. This research underscores the importance of crystal part in catalyst in catalyzing the 2e− water oxidation reaction, offering valuable insights for future investigations.https://doi.org/10.1038/s41467-024-54593-4 |
| spellingShingle | Ruilin Wang Hao Luo Chengyu Duan Huimin Liu Mengdi Sun Quan Zhou Zheshun Ou Yinglong Lu Guanghui Luo Jimmy C. Yu Zhuofeng Hu Crystal OH mediating pathway for hydrogen peroxide production via two-electron water oxidation in non-carbonate electrolytes Nature Communications |
| title | Crystal OH mediating pathway for hydrogen peroxide production via two-electron water oxidation in non-carbonate electrolytes |
| title_full | Crystal OH mediating pathway for hydrogen peroxide production via two-electron water oxidation in non-carbonate electrolytes |
| title_fullStr | Crystal OH mediating pathway for hydrogen peroxide production via two-electron water oxidation in non-carbonate electrolytes |
| title_full_unstemmed | Crystal OH mediating pathway for hydrogen peroxide production via two-electron water oxidation in non-carbonate electrolytes |
| title_short | Crystal OH mediating pathway for hydrogen peroxide production via two-electron water oxidation in non-carbonate electrolytes |
| title_sort | crystal oh mediating pathway for hydrogen peroxide production via two electron water oxidation in non carbonate electrolytes |
| url | https://doi.org/10.1038/s41467-024-54593-4 |
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