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Conducting Polymer-Based e-Refinery for Sustainable Hydrogen Peroxide Production

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摘要 Electrocatalysis enables the industrial transition to sustainable production of chemicals using abundant precursors and electricity from renewable sources.De-centralized production of hydrogen peroxide(H_(2)O_(2))from water and oxygen of air is highly desirable for daily life and industry.We report an effective electrochemical refinery(e-refinery)for H_(2)O_(2)by means of electrocatalysis-controlled comproportionation reaction(2_(H)O+o→2HO),feeding pure water and oxygen only.Mesoporous nickel(Ⅱ)oxide(NiO)was used as electrocatalyst for oxygen evolution reaction(OER),producing oxygen at the anode.Conducting polymer poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate)(PEDOT:PSS)drove the oxygen reduction reaction(ORR),forming H_(2)O_(2)on the cathode.The reactions were evaluated in both half-cell and device configurations.The performance of the H_(2)O_(2)e-refinery,assembled on anion-exchange solid electrolyte and fed with pure water,was limited by the unbalanced ionic transport.Optimization of the operation conditions allowed a conversion efficiency of 80%.
出处 《Energy & Environmental Materials》 SCIE EI CAS CSCD 2024年第2期334-342,共9页 能源与环境材料(英文)
基金 the competence centre Fun Mat-II funded by the Swedish Agency for Innovation Systems(Vinnova,grant no 2016-05156) Swedish Energy Agency(project no 42022-1) Swedish Research Council(VR 2021-04427,VR 2019-05577,VR 2016–05990) the Centre in Nanoscience and Technology(CeNano,Linkoping Institute of Technology(LiTH),Linkoping University,2020,2021) the Swedish Government Strategic Research Area in Materials Science on Advanced Functional Materials at Linkoping University(Faculty Grant SFO-Mat-Li U No.2009-00971) the Knut and Alice Wal enberg Foundation(H2O2,KAW 2018.0058),for support
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