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2020/11/23 17:06:21
RRDE电极是典型的四电极体系,配合电化学工作站测试,可以用于各类电化学测试中间产物的收集,包括液体产物比如过氧化氢、铁qinghuajia,也包括气体产物比如氧气。
RRDE电极近期论文参考:
(1)Rossi, M. ; Wen, K. ; Caruso, F. ; Belli, S. Emodin Scavenging of Superoxide Radical Includes π–π Interaction. X-Ray Crystal Structure, Hydrodynamic Voltammetry and Theoretical Studies. Antioxidants, 2020, 9(3), 194.
(2)Strobl, J. R. ; Georgescu, N. S. ; Scherson, D. Solution phase superoxide as an intermediate in the oxygen reduction reaction on glassy carbon in alkaline media. Electrochim. Acta, 2020, 335, 135432.
(3)Goyal, A. ; Marcandalli, G. ; Mints, V. A. ; Koper, M. T. M. Competition between CO2 Reduction and Hydrogen Evolution on a Gold Electrode under Well-Defined Mass Transport Conditions. J. Am. Chem. Soc., 2020, 142(9), 4154-4161.
(4)Yin, X. ; Lin, L. ; Martinez, U. ; Zelenay, P. 2,2′-Dipyridylamine as Heterogeneous Organic Molecular Electrocatalyst for Two-Electron Oxygen Reduction Reaction in Acid Media. ACS Appl. Energy Mater., 2019, 2(10), 7272-7278.
(5)Vos, J. G. ; Koper, M. T. M. Examination and prevention of ring collection failure during gas-evolving reactions on a rotating ring-disk electrode. J. Electroanal. Chem., 2019, 850, 113363.
(6)Moreira, J. ; Bocalon Lima, V. ; Athie Goulart, L. ; Lanza, M. R. V. Electrosynthesis of hydrogen peroxide using modified gas diffusion electrodes (MGDE) for environmental applications: Quinones and azo compounds employed as redox modifiers. Appl. Catal., B, 2019, 248, 95-107.
(7)San Roman, D. ; Krishnamurthy, D. ; Garg, R. ; Hafiz, H. ; Lamparski, M. ; Nuhfer, N. T. ; Meunier, V. ; Viswanathan, V. ; Cohen-Karni, T. Engineering Three-Dimensional (3D) Out-of-Plane Graphene Edge Sites for Highly Selective Two-Electron Oxygen Reduction Electrocatalysis. ACS Catal., 2020, 10(3), 1993-2008.
目前,PINE公司可以提供各类不同性能的RRDE电极,如下表所示,适用于客户的差异化使用需求。
型号 | E6R1 | R6R1 PK | E6R2 | E7R8 | E7R9 | E8 |
收集系数 | 25.0% | 25.0% | 38.0% | 22.0% | 37.0% | 43.9% |
盘环间距(um) | 750 | 750 | 500 | 180 | 320 | 500 |
盘直径(mm) | 5.00 | 5.00 | 5.50 | 4.57 | 5.61 | 5.00 |
环内径(mm) | 6.50 | 6.50 | 6.50 | 4.93 | 6.25 | 6.00 |
环外径(mm) | 7.50 | 7.50 | 8.50 | 5.38 | 7.91 | 8.50 |
温度范围(℃) | 10—25 | 10—80 | 10—80 | 10—25 | 10—25 | 10—80 |
特点 | 可换盘芯 | 可换盘芯 | 温度范围较广 | 适用于中间产物寿命较短的体系 | 适用于ORR中间产物过氧化氢收集测试 | (1)目前商业化RRDE高 收集效率; (2)固定PTFE环,保证ink不容易扩散到盘外。 |
理化(香港)有限公司拥有十余年的分析仪器销售经验,可提供相关实验室的完整解决方案,是美国PINE电化学产品在大中华地区的总代理,专为客户提供售前、售后、应用以及销售服务,欢迎咨询!