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Atomically dispersed OFeN active sites boost the selective decomposition of acidic H2O2 into O2.

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Title: Atomically dispersed OFeN active sites boost the selective decomposition of acidic H2O2 into O2.
Authors: Zhang, Haonan1 (AUTHOR), Li, Yang1 (AUTHOR), Zhou, Pei1 (AUTHOR), Zhu, Shuxu1 (AUTHOR), Gu, Chaoqun1 (AUTHOR), Zhang, Pengye1 (AUTHOR), Guo, Runze1 (AUTHOR), Qin, Hongjie1 (AUTHOR), Xu, Tianshi1 (AUTHOR), Jiao, Gaiyan1 (AUTHOR), Zhang, Qinhua1 (AUTHOR), Xi, Yanyan1 (AUTHOR), Wu, Mingbo1,2 (AUTHOR) wumb@upc.edu.cn, Wu, Wenting1 (AUTHOR) wuwt@upc.edu.cn
Source: AIChE Journal. Nov2025, Vol. 71 Issue 11, p1-10. 10p.
Subjects: Hydrogen peroxide, Catalysts, Reactive oxygen species, Oxidation-reduction reaction, Energy conversion, Continuous flow reactors
Abstract: H2O2, a vital industrial material, poses a huge explosion risk due to its residual presence. Under acidic conditions, its stable peroxy‐bond hinders efficient decomposition into H+ or HO2−. In this study, we prepared a FeNC single‐atom catalyst via molecular self‐assembly and argon pyrolysis, regulating reactive oxygen species to convert H2O2 into O2. In situ FTIR confirmed atomically dispersed iron significantly enhanced the end‐adsorption of H2O2 and in situ formed FeOOH, achieving a 100% decomposition rate and 98% O2 selectivity, while minimizing the formation of harmful •OH radicals. Furthermore, we constructed a flow‐through amplification reactor that maintained a conversion rate of 100% even at a high space velocity of 75 h−1. This work provides a novel approach for H2O2 decomposition reaction and offers a valuable reference in further developing systems for the decomposition of H2O2 into O2. [ABSTRACT FROM AUTHOR]
Copyright of AIChE Journal is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Atomically dispersed OFeN active sites boost the selective decomposition of acidic H<subscript>2</subscript>O<subscript>2</subscript> into O<subscript>2</subscript>.
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Haonan%22">Zhang, Haonan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Yang%22">Li, Yang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhou%2C+Pei%22">Zhou, Pei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhu%2C+Shuxu%22">Zhu, Shuxu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gu%2C+Chaoqun%22">Gu, Chaoqun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Pengye%22">Zhang, Pengye</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Guo%2C+Runze%22">Guo, Runze</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Qin%2C+Hongjie%22">Qin, Hongjie</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xu%2C+Tianshi%22">Xu, Tianshi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jiao%2C+Gaiyan%22">Jiao, Gaiyan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Qinhua%22">Zhang, Qinhua</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xi%2C+Yanyan%22">Xi, Yanyan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Mingbo%22">Wu, Mingbo</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> wumb@upc.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Wu%2C+Wenting%22">Wu, Wenting</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> wuwt@upc.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22AIChE+Journal%22">AIChE Journal</searchLink>. Nov2025, Vol. 71 Issue 11, p1-10. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Hydrogen+peroxide%22">Hydrogen peroxide</searchLink><br /><searchLink fieldCode="DE" term="%22Catalysts%22">Catalysts</searchLink><br /><searchLink fieldCode="DE" term="%22Reactive+oxygen+species%22">Reactive oxygen species</searchLink><br /><searchLink fieldCode="DE" term="%22Oxidation-reduction+reaction%22">Oxidation-reduction reaction</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+conversion%22">Energy conversion</searchLink><br /><searchLink fieldCode="DE" term="%22Continuous+flow+reactors%22">Continuous flow reactors</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: H2O2, a vital industrial material, poses a huge explosion risk due to its residual presence. Under acidic conditions, its stable peroxy‐bond hinders efficient decomposition into H+ or HO2−. In this study, we prepared a FeNC single‐atom catalyst via molecular self‐assembly and argon pyrolysis, regulating reactive oxygen species to convert H2O2 into O2. In situ FTIR confirmed atomically dispersed iron significantly enhanced the end‐adsorption of H2O2 and in situ formed FeOOH, achieving a 100% decomposition rate and 98% O2 selectivity, while minimizing the formation of harmful •OH radicals. Furthermore, we constructed a flow‐through amplification reactor that maintained a conversion rate of 100% even at a high space velocity of 75 h−1. This work provides a novel approach for H2O2 decomposition reaction and offers a valuable reference in further developing systems for the decomposition of H2O2 into O2. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of AIChE Journal is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1002/aic.70036
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      – Code: eng
        Text: English
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        PageCount: 10
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      – SubjectFull: Hydrogen peroxide
        Type: general
      – SubjectFull: Catalysts
        Type: general
      – SubjectFull: Reactive oxygen species
        Type: general
      – SubjectFull: Oxidation-reduction reaction
        Type: general
      – SubjectFull: Energy conversion
        Type: general
      – SubjectFull: Continuous flow reactors
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    Titles:
      – TitleFull: Atomically dispersed OFeN active sites boost the selective decomposition of acidic H2O2 into O2.
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            – D: 01
              M: 11
              Text: Nov2025
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