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首页> 外文期刊>Catalysis science & technology >In situ anchoring of metal nanoparticles in the N-doped carbon framework derived from conjugated microporous polymers towards an efficient oxygen reduction reaction
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In situ anchoring of metal nanoparticles in the N-doped carbon framework derived from conjugated microporous polymers towards an efficient oxygen reduction reaction

机译：原位金属纳米粒子的锚定n型碳框架来自共轭微孔聚合物对高效的氧还原反应

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摘要

An effective strategy is developed to in situ anchor metal nanoparticles into the nitrogen-doped carbon framework (MNCs) by thermal treatment of metallophthalocyanine based conjugated microporous polymers. The metal nanoparticles are uniformly distributed into the porous nitrogen-doped carbon framework and interact with N active sites, thus showing enhanced diffusion kinetics as catalysts for oxygen reduction reaction. Benefiting from the effective strategy and specific structure, the as-obtained MNCs show superior oxygen reduction reaction activity in both alkaline and acid media, and their long-time stability and methanol tolerance are superior to the commercial Pt-C. Moreover, the MNCs also display high performance as cathode catalysts for Zn-air batteries. In view of the novel synthesis process and excellent performance, the proposed strategy could open new avenues for the design of high-performance oxygen reduction reaction catalysts for energy storage and conversion.
机译：一个有效的策略是发展到原位金属纳米颗粒的锚通过热nitrogen-doped碳框架(跨国公司)治疗metallophthalocyanine基础共轭微孔聚合物。纳米粒子均匀分布到多孔nitrogen-doped碳框架和与N活跃的网站,从而显示增强催化剂的扩散动力学氧还原反应。有效的策略和具体结构适用于跨国公司方面表现出优越的氧气减少在碱性和酸性反应活动媒体和他们的长期稳定和甲醇宽容是优于商业Pt-C。此外,跨国公司也同时具有高的性能作为Zn-air电池阴极催化剂。的合成工艺和优秀的小说可以打开新的性能,提出的策略渠道设计的高性能的氧气还原反应催化剂对能源存储和转换。

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