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Objective Observations of the Electrochemical Production of H2O2 in KHCO3 Aqueous Electrolyte and Related Application Inspirations
The Journal of Physical Chemistry C ( IF 3.3 ) Pub Date : 2021-09-01 , DOI: 10.1021/acs.jpcc.1c06680 Yan Lai 1 , Xiaotian Liu 1 , Haiyan Ye 1 , Gaili Ke 1 , Binyao Lui 1 , Faqin Dong 1 , Huichao He 1
The Journal of Physical Chemistry C ( IF 3.3 ) Pub Date : 2021-09-01 , DOI: 10.1021/acs.jpcc.1c06680 Yan Lai 1 , Xiaotian Liu 1 , Haiyan Ye 1 , Gaili Ke 1 , Binyao Lui 1 , Faqin Dong 1 , Huichao He 1
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The electrochemical production of H2O2 from two-electron water oxidation in a HCO3–-containing aqueous electrolyte has been recently developed, but the objective issues of H2O2 decomposition, low purity, and inconvenient storage options have not drawn enough attention in previous reports. In the present work, commercial fluorine-doped SnO2 (FTO) glass was investigated as a model anode material for the electrochemical production of H2O2 in a KHCO3 aqueous electrolyte. Although H2O2 was electrochemically produced in the FTO-glass-anode-based cell, the electrochemical decomposition and nonstorability of H2O2 products in a KHCO3 aqueous electrolyte were also observed. On the basis of the activation property of HCO3– in the conversion of H2O2 into •OH, the electrochemically produced H2O2 in a KHCO3 aqueous electrolyte was investigated to achieve the degradation of methylene blue and tetracycline, respectively. Our work reveals objective issues about the electrochemical synthesis of H2O2 in a HCO3–-containing electrolyte and provides inspired applications of this research.
中文翻译：
KHCO3水溶液电解液中H2O2电化学生成的客观观察及相关应用启示
电化学生产h的2 ö 2从在HCO两电子水氧化3 -含水电解质最近已经开发，但H的目标问题2 ö 2分解，低纯度，和不方便的存储选项没有画出足够之前报道中的关注。在目前的工作中，研究了商用掺氟 SnO 2 (FTO) 玻璃作为在 KHCO 3水性电解质中电化学生产 H 2 O 2的模型阳极材料。虽然 H 2 O 2在基于 FTO 玻璃阳极的电池中以电化学方式产生了 H 2 O 2产物在 KHCO 3水性电解质中的电化学分解和不可储存性。基于HCO 3的活化特性——将H 2 O 2转化为• OH，研究了在KHCO 3水性电解质中电化学产生的H 2 O 2以分别实现亚甲蓝和四环素的降解。我们的工作揭示了 HCO中 H 2 O 2电化学合成的客观问题3 –含电解质，并为这项研究提供了启发性的应用。
更新日期：2021-09-16
中文翻译：
KHCO3水溶液电解液中H2O2电化学生成的客观观察及相关应用启示
电化学生产h的2 ö 2从在HCO两电子水氧化3 -含水电解质最近已经开发，但H的目标问题2 ö 2分解，低纯度，和不方便的存储选项没有画出足够之前报道中的关注。在目前的工作中，研究了商用掺氟 SnO 2 (FTO) 玻璃作为在 KHCO 3水性电解质中电化学生产 H 2 O 2的模型阳极材料。虽然 H 2 O 2在基于 FTO 玻璃阳极的电池中以电化学方式产生了 H 2 O 2产物在 KHCO 3水性电解质中的电化学分解和不可储存性。基于HCO 3的活化特性——将H 2 O 2转化为• OH，研究了在KHCO 3水性电解质中电化学产生的H 2 O 2以分别实现亚甲蓝和四环素的降解。我们的工作揭示了 HCO中 H 2 O 2电化学合成的客观问题3 –含电解质，并为这项研究提供了启发性的应用。
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