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首页> 外文期刊>Journal of power sources >Selective adsorption of palladium complex for carbon-supported Pd/Mo electrocatalyst by the charge enhanced dry impregnation method
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Selective adsorption of palladium complex for carbon-supported Pd/Mo electrocatalyst by the charge enhanced dry impregnation method

机译：电荷增强干浸渍法对碳载Pd / Mo电催化剂的钯配合物选择性吸附

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摘要

According to the different point of zero charge (PZC) of MoO_3 and carbon black (XC72R), an efficient method for preparing highly dispersed carbon-supported Pd/Mo bimetallic nanoparticles is described. The charge enhanced dry impregnation (CEDI) technique is developed for the preparation of Pd/Mo/C electrocatalysts by selectively driving the [Pd(NH_3)_4]~(2+) cations onto MoO_3 phase instead of carbon support. The CEDI method could minimize the migration of Pd away from the MoO_3 phase to carbon support during reduction up to 400 ℃. Oxygen reduction measurements by linear sweep voltammetry indicate the carbon-supported Pd/Mo catalyst prepared by the CEDI method has better catalytic activity than that prepared with the dry impregnation method as the CEDI method gives strong interactions between Pd and Mo.
机译：根据MoO_3和炭黑（XC72R）的零电荷（PZC）的不同点，描述了一种制备高度分散的碳载Pd / Mo双金属纳米颗粒的有效方法。通过选择性地将[Pd（NH_3）_4]〜（2+）阳离子驱动到MoO_3相而不是碳载体上，开发了电荷增强干浸渍（CEDI）技术来制备Pd / Mo / C电催化剂。 CEDI方法可以最大程度地降低还原温度高达400℃时Pd从MoO_3相向碳载体的迁移。通过线性扫描伏安法进行的氧还原测量结果表明，通过CEDI方法制备的碳载Pd / Mo催化剂比通过干浸渍方法制备的碳负载的Pd / Mo催化剂具有更好的催化活性，因为CEDI方法在Pd和Mo之间具有很强的相互作用。

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  • 来源
    《Journal of power sources》 |2014年第25期|1030-1036|共7页
  • 作者

    Chongjiang Cao; Guang Yang; Wei Song; Xingrong Ju; Qiuhui Hu; Jianfeng Yao;

  • 作者单位

    College of Food Science and Engineering, Nanjing University of Finance&Economics, Nanjing 210023, China;

    Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, Xi'an Jiaotong University, Xi'an 710049, China;

    College of Food Science and Engineering, Nanjing University of Finance&Economics, Nanjing 210023, China;

    College of Food Science and Engineering, Nanjing University of Finance&Economics, Nanjing 210023, China;

    College of Food Science and Engineering, Nanjing University of Finance&Economics, Nanjing 210023, China;

    Department of Chemical Engineering, Monash University, VIC 3800, Australia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Bimetallic electrocatalyst; Carbon-supported; Selective adsorption; Charge enhanced dry impregnation; Point of zero charge;

    机译：双金属电催化剂;碳支撑;选择性吸附;电荷增强干浸渍;零电荷点;

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