Electrocatalysis of Hydrogen Peroxide Generation Using Oxygen-Fed Gas Diffusion Electrodes Made of Carbon Black Modified with Quinone Compounds

Rocha Robson S.; Valim Ricardo B.; Trevelin Leandro C.; Steter Juliana R.; Carneiro Jussara F.; Forti Juliane C.; Bertazzoli Rodnei; Lanza Marcos R. V.

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Electrocatalysis of Hydrogen Peroxide Generation Using Oxygen-Fed Gas Diffusion Electrodes Made of Carbon Black Modified with Quinone Compounds

机译：用醌化合物改性炭黑制成的氧气送气体扩散电极的过氧化氢的电催化分析

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摘要

Hydrogen peroxide (H2O2) is one of the most popular and widely used oxidants. Among the wide range of synthesis techniques used for the production of H2O2; the electrochemical method allows the use of gas diffusion electrodes to generate H2O2 without limiting the low solubility of O-2 in water. The present work reports the modification of carbon black with quinone, where the generation of H2O2 occurs in an electrochemical/chemical mechanism. The results obtained by this technique were found to be highly promising. The use of the organic compound 1,2-dihydroxyanthraquinone to modify carbon black electrode resulted in greater production of H2O2. Carbon black electrode modified with 1% of 1,2-dihydroxyanthraquinone yielded 298 mg L-1 of H2O2 at the end of 90 min of experiment, reaching an electrical efficiency of approximately 25.5%. Based on the findings of this study, H2O2 generation is found to be directly associated with the chemical structure of the carbon modifier and not solely related to the presence of quinone groups.

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来源
《Electrocatalysis》 |2020年第3期|共9页
作者
Rocha Robson S.; Valim Ricardo B.; Trevelin Leandro C.; Steter Juliana R.; Carneiro Jussara F.; Forti Juliane C.; Bertazzoli Rodnei; Lanza Marcos R. V.;
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作者单位

Univ Sao Paulo Lorena Sch Engn Estr Municipal Campinho Sn BR-12602810 Lorena SP Brazil;

Univ Sao Paulo Lorena Sch Engn Estr Municipal Campinho Sn BR-12602810 Lorena SP Brazil;

Univ Sao Paulo Sao Carlos Inst Chem Trabalhador Sao Carlense 400 BR-13560970 Sao Carlos SP Brazil;

Univ Sao Paulo Sao Carlos Inst Chem Trabalhador Sao Carlense 400 BR-13560970 Sao Carlos SP Brazil;

Univ Sao Paulo Sao Carlos Inst Chem Trabalhador Sao Carlense 400 BR-13560970 Sao Carlos SP Brazil;

Sao Paulo State Univ UNESP Fac Sci &

Engn Rua Domingos Costa Lopes 780 BR-17602496 Tupa SP Brazil;

State Univ Campinas UNICAMP Fac Mech Engn Rua Mendeleyev 200 BR-13083960 Campinas SP Brazil;

Univ Sao Paulo Sao Carlos Inst Chem Trabalhador Sao Carlense 400 BR-13560970 Sao Carlos SP Brazil;

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正文语种 eng
中图分类化学动力学、催化作用;
关键词
Electrosynthesis of hydrogen peroxide; Catalysis of oxygen reduction reaction; Gas diffusion electrode; Quinone compounds;

机译：过氧化氢的电合成;氧还原反应的催化;气体扩散电极;醌化合物;

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6. Electrosynthesis of hydrogen peroxide using modified gas diffusion electrodes (MGDE) for environmental applications: Quinones and azo compounds employed as redox modifiers [J] . Moreira Juliana, Lima Vernica Bocalon, Goulart Lorena Athie, Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications . 2019,第期

机译：用于环境应用的改性气体扩散电极（MgDE）的过氧化氢的电连接：Quinones和Azo化合物用作氧化还原改性剂
7. Electrogeneration of hydrogen peroxide in gas diffusion electrodes modified with tert-butyl-anthraquinone on carbon black support [J] . Ricardo B. Valim, Rafael M. Reis, Pollyana S. Castro Carbon: An International Journal Sponsored by the American Carbon Society . 2013,第Null期

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9. Carbon Black modified glassy carbon electrode for the detection of antioxidants compounds [C] . Compagnone D., Del Carlo M., Innocenzi D., 2015 XVIII AISEM Annual Conference . 2015

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机译：氧还原的电催化。第三部分。使用金属卟啉的聚合物连接选择性还原为过氧化氢或水

Electrocatalysis of Hydrogen Peroxide Generation Using Oxygen-Fed Gas Diffusion Electrodes Made of Carbon Black Modified with Quinone Compounds

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