Pt-TiO2/Graphene催化剂的氧还原和甲醇氧化电催化性能研究

doi:10.13208/j.electrochem.131171

电化学（中英文） ›› 2014, Vol. 20 ›› Issue (4): 377-381. doi: 10.13208/j.electrochem.131171

• 电化学近期研究专辑（厦门大学姜艳霞教授主编） • 上一篇下一篇

Pt-TiO₂/Graphene催化剂的氧还原和甲醇氧化电催化性能研究

戚利^1,2,3，殷瑛^1,2,3，涂文广¹，吴兵兵^1,2,3，王兆生⁵，刘建国^1,2,3,4*，顾军^1,3,4，邹志刚^1,2,3,4

1. 南京大学物理学院环境材料与再生能源研究中心，江苏南京 210093；2. 南京大学现代工程与应用科学学院，江苏南京 210093；3. 江苏省纳米技术重点实验室，江苏南京 210093；4. 南京大学昆山创新研究院，江苏南京 210093；5. 浙江省绍兴县永利新能源研究院有限公司，浙江绍兴 312028

收稿日期:2014-01-17 修回日期:2014-03-10 出版日期:2014-08-28 发布日期:2014-03-20
通讯作者: 刘建国 E-mail:jianguoliu@nju.edu.cn
基金资助:
国家自然科学基金项目（No. 21176111）、浙江省重大科技专项（No. 2012C11014）和绍兴县科技攻关计划项目（No. 2012506）资助

Preparation of Pt-TiO₂/Graphene Composites with High Catalytic Activity towards Methanol Oxidation and Oxygen Reduction Reaction

QI Li ^1,2,3, YIN Ying^1,2,3, TU Wen-guang¹, WU Bing-bing^1,2,3, WANG Zhao-sheng⁵, LIU Jian-guo^1,2,3,4*, GU Jun^1,3,4, ZOU Zhi-gang^1,2,3,4

1. Eco-materials and Renewable Energy Research Center, Nanjing University, Nanjing 210093, China; 2. College of Engineering and Applied sciences, Nanjing University, Nanjing 210093, China; 3. Jiangsu Key Laboratory for Nano Technology, Nanjing University, Nanjing 210093, China; 4. Kunshan Innovation Institute of Nanjing University, Nanjing 210093; 5. Yong Li New Technology Research Institute Company Limited, Shaoxing 312028, Zhejiang, China

Received:2014-01-17 Revised:2014-03-10 Published:2014-08-28 Online:2014-03-20
Contact: LIU Jian-guo E-mail:jianguoliu@nju.edu.cn

摘要/Abstract

摘要： 以二(2-羟基丙酸)二氢氧化二铵合钛（TBA）和氧化石墨烯（GO）为前驱体，通过水热法合成出不同TiO₂含量的TiO₂/Graphene（TiO2/G）复合材料，随之用微波醇热法还原Pt前驱体可得Pt-TiO₂/G催化剂. 实验结果表明，TiO₂可与Pt相互作用，添入适量TiO₂的Pt-TiO₂/G催化剂具有较高的氧还原电催化活性及甲醇氧化的电催化活性与稳定性. 但TiO₂电导率偏低，过量TiO₂的添入反而使其电催化性能降低.

关键词: TiO2, 石墨烯, 氧还原, 甲醇氧化

Abstract: A series of graphene-supported TiO₂ nanoparticles (TiO₂/G) with different TiO₂ contents were prepared by a facile hydrothermal method, and then the Pt-TiO₂/G catalysts were successfully prepared by reducing Pt-precursor with microwave technique. Compared with Pt-G catalysts, the catalytic performance toward oxygen reduction reaction (ORR) and methanol oxidation reaction (MOR) of Pt-TiO₂/G catalysts was improved due to the addition of TiO₂. However, the excessive TiO₂ would lead to a poor catalytic performance of Pt-TiO₂/G catalysts because of the low electrical conductivity of TiO₂.

Key words: TiO₂, graphene, ORR, methanol oxidation

中图分类号:

TM911.4

戚利，殷瑛，涂文广，吴兵兵，王兆生，刘建国*，顾军，邹志刚. Pt-TiO₂/Graphene催化剂的氧还原和甲醇氧化电催化性能研究[J]. 电化学（中英文）, 2014, 20(4): 377-381.

QI Li, YIN Ying, TU Wen-guang, WU Bing-bing, WANG Zhao-sheng, LIU Jian-guo*, GU Jun, ZOU Zhi-gang. Preparation of Pt-TiO₂/Graphene Composites with High Catalytic Activity towards Methanol Oxidation and Oxygen Reduction Reaction[J]. Journal of Electrochemistry, 2014, 20(4): 377-381.

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https://electrochem.xmu.edu.cn/CN/Y2014/V20/I4/377

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Pt-TiO₂/Graphene催化剂的氧还原和甲醇氧化电催化性能研究

Preparation of Pt-TiO₂/Graphene Composites with High Catalytic Activity towards Methanol Oxidation and Oxygen Reduction Reaction

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