Bimetallic Electrocatalysts supported on TiO2 for PEM Water Electrolyzer

机译：负载在TiO2上的PEM水电解双金属催化剂

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TiO2 was investigated as a support for several multi-metallic electrocatalysts. Particle size distribution from High Resolution Transmission Electron Microscopy (HRTEM) images showed less than 2 ran average particle sizes. For unsupported Ir-Ru, HRTEM images showed nanoparticles closer than supported Ir-Ru on anatase TiO2 that tend to agglomerate. The electrocatalysts supported on anatase TiO2 showed higher activity towards the oxygen evolution reaction (OER) than those supported on rutile TiO2. Overall, Ir-Ru had the highest current per gram of metal than other metal combinations studied and the optimum ratio was 1:1 Ir:Ru. For the unsupported case, the OER activity was about 41% lower than supported.

机译：研究了TiO2作为几种多金属电催化剂的载体。高分辨率透射电子显微镜（HRTEM）图像的粒度分布显示小于2纳米的平均粒度。对于无载体的Ir-Ru，HRTEM图像显示纳米粒子比锐钛矿型TiO2上的负载的Ir-Ru更近，而纳米粒子倾向于团聚。负载在锐钛矿型TiO2上的电催化剂比起金红石型TiO2负载的电催化剂对氧析出反应（OER）的活性更高。总体而言，Ir-Ru的每克金属电流比其他研究的金属组合最高，最佳比例为1：1 Ir：Ru。对于无支持的病例，OER活性比支持的低约41％。

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来源
《Electrochemical technologies for hydrogen production》|2010年|p.23-35|共13页
会议地点 Vancouver(CA);Vancouver(CA)
作者
Roderick E. Fuentes; Sebastian Rau; Tom Smolinka; John W. Weidner;
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Department of Chemical Engineering, University of South Carolina, Columbia, South Carolina 29203, USA;

Fraunhofer Institute for Solar Energy Systems ISE Freiburg 79110, Germany;

Fraunhofer Institute for Solar Energy Systems ISE Freiburg 79110, Germany;

Department of Chemical Engineering, University of South Carolina, Columbia, South Carolina 29203, USA;

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正文语种 eng
中图分类电化学工业;
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Bimetallic Electrocatalysts supported on TiO2 for PEM Water Electrolyzer

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