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High Electrochemical Performance Phosphorus-Oxide Modified Graphene Electrode for Redox Supercapacitors Prepared by One-Step Electrochemical Exfoliation

机译：一步电化学剥落法制备的高电化学性能氧化还原超级电容器用氧化磷石墨烯电极

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Phosphorus oxide modified graphene was prepared by one-step electrochemical anodic exfoliation method and utilized as electrode in a redox supercapacitor that contained potassium iodide in electrolytes. The whole preparation process was completed in a few minutes and the yield was about 37.2%. The prepared sample has better electrocatalysis activity for I⁻/I⁻3 redox reaction than graphite due to the good charge transfer performance between phosphorus oxide and iodide ions. The maximum discharge specific capacitance is 1634.2 F/g when the current density is 3.5 mA/cm² and it can keep at 463 F/g after 500 charging–discharging cycles when the current density increased about three times.

机译：氧化磷修饰的石墨烯是通过一步电化学阳极剥离法制备的，并用作电解质中含碘化钾的氧化还原超级电容器中的电极。几分钟内完成了整个制备过程，收率约为37.2％。由于氧化磷与碘离子之间良好的电荷转移性能，所制备的样品对I ^{- / I ^{- 3的氧化还原反应具有比石墨更好的电催化活性。当电流密度为3.5 mA / cm ^{2 时，最大放电比电容为1634.2 F / g，经过500次充放电循环后，当电流密度增加约三倍时，最大放电比电容可保持在463 F / g。。}}}

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期刊名称 Nanomaterials
作者
Lei Zu; Xing Gao; Huiqin Lian; Xiaomin Cai; Ce Li; Ying Zhong; Yicheng Hao; Yifan Zhang; Zheng Gong; Yang Liu; Xiaodong Wang; Xiuguo Cui;
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作者单位

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年(卷),期 2018(8),6
年度 2018
页码 417
总页数 9
原文格式 PDF
正文语种
中图分类生化遗传学;生化药理学;
关键词
graphene electrochemical anodic exfoliation phosphorus oxide group supercapacitors iodide ions;

机译：石墨烯;电化学阳极剥落;氧化磷基团;超级电容器;碘离子;

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2. Electrochemical investigations of Pu(IV)/Pu(III) redox reaction using graphene modified glassy carbon electrodes and a comparison to the performance of SWCNTs modified glassy carbon electrodes (vol 10, pg 530, 2016) [J] . Gupta Ruma, Gamare Jayashree, Sharma Manoj K., Electrochimica Acta . 2017,第期

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4. Electrochemical Performances of SDS-Modified PPy as Supercapacitor Electrode [C] . Yong Chen, Guiying Kang International Forum on Electrical Engineering and Automation . 2015

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5. Electrochemical quartz crystal microbalance (EQCM) studies of films: Part 1. Ion and water transfers accompanying redox switching of Prussian Blue. Part 2. Adsorption of fibrinogen on gold modified electrodes with PPY. [D] . Kim, Ketack. 2002

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High Electrochemical Performance Phosphorus-Oxide Modified Graphene Electrode for Redox Supercapacitors Prepared by One-Step Electrochemical Exfoliation

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