• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Electrocatalysis >Non-platinum Carbon-Supported Oxygen Reduction Catalyst Ink Evaluation Based on Poly(sulfone) and Poly(phenylene)-Derived Ionomers in Alkaline Media
【24h】

Non-platinum Carbon-Supported Oxygen Reduction Catalyst Ink Evaluation Based on Poly(sulfone) and Poly(phenylene)-Derived Ionomers in Alkaline Media

机译：基于碱性介质中聚（砜）和聚（亚苯基）衍生离聚物的非铂碳载氧还原催化剂墨水的评估

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Described in this work is an electrochemical evaluation of novel alkaline ionomers employed as catalyst binder for non-platinum group metal electrocatalysts based on cyan-amide precursor. Electrochemical evaluation of the non-platinum group metal (non-PGM) catalyst bound with the featured alkaline ionomer classes over a range of conditions gives insight into how they behave, as well as provide information on how the varying functionalities enhance or inhibit the rate of oxygen reduction. We are showing that the polymer backbone structure has a larger influence on facilitating favorable reaction kinetics than ionomer to catalysts ratio. The poly(sulfone)-derived ionomers result in a worse activity than electrocatalysts with Nation~R and poly(phenylene)-derived ionomers. They also exhibited more peroxide desorption and greater limitation in the mass transport regime. The poly(phenylene)-derived polymers performed in line with the benchmark ionomer, Nation~R. The poly(phenylene)-derived ionomers show promise as fruitful line of research in establishing an anion-conducting ionomer for alkaline electrolyte fuel cells.
机译：这项工作描述了一种新型的碱性离聚物的电化学评估，该碱性离聚物用作基于氰基酰胺前体的非铂族金属电催化剂的催化剂粘合剂。在一定条件下对与特色碱性离聚物类别结合的非铂族金属（non-PGM）催化剂进行电化学评估，可以洞悉它们的行为，并提供有关各种功能性如何增强或抑制苯甲酸的速率的信息。减少氧气。我们显示，聚合物主链结构对促进有利的反应动力学的影响大于离聚物与催化剂的比率。聚（砜）衍生的离聚物导致的活性比含Nation_R和聚（亚苯基）衍生的离聚物的电催化剂差。它们还表现出更多的过氧化物解吸和更大的质量传输范围限制。聚苯撑衍生的聚合物的性能符合基准离聚物Nation_R。衍生自聚苯撑的离聚物在为碱性电解质燃料电池建立阴离子导电离聚物方面具有广阔的研究前景。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号