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首页> 外文期刊>RSC Advances >Hollow waxberry-like cobalt–nickel oxide/S,N-codoped carbon nanospheres as a trifunctional electrocatalyst for OER, ORR, and HER
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Hollow waxberry-like cobalt–nickel oxide/S,N-codoped carbon nanospheres as a trifunctional electrocatalyst for OER, ORR, and HER

机译：空心蜡状钴 - 氧化镍氧化物/ s，n编号的碳纳米球，作为oer，Orr和她的三官能电催化剂

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摘要

With the aggravation of the energy crisis, increasing attention has been paid to electrocatalytic technology for renewable energy devices. In particular, the research on catalysts towards the oxygen evolution reaction (OER), oxygen reduction reaction (ORR), and hydrogen evolution reaction (HER) has become more urgent, and the development of multifunctional electrocatalysts has become a research trend. Here we report the synthesis of waxberry-like cobalt–nickel oxide/S,N-codoped carbon hollow nanocomposites as trifunctional catalysts. Uniform cobalt–nickel glycerate solid spheres are first synthesized as the precursor and subsequently chemically transformed into cobalt–nickel oxide/S,N-codoped carbon hollow nanospheres. Benefiting from the synergistic coupling of cobalt–nickel oxide and S,N-codoped carbon nanocomposites, hierarchical porosity and hollow structure, the cobalt–nickel oxide/S,N-codoped carbon nanohybrids exhibit superior trifunctional electrocatalytic activity and durability towards OER, ORR, and HER in alkaline media.
机译：随着能源危机的加剧，对可再生能源装置的电催化技术越来越高。特别地，对氧气进化反应（oer）的催化剂，氧还原反应（ORR）和氢进化反应（她）的研究变得更加迫切，并且多功能电催化剂的发育成为了研究趋势。在这里，我们报告了蜡梨果钴 - 氧化镍氧化物/ s，n型碳中空心纳米复合材料作为三官能催化剂。首先合成均匀的钴 - 镍凝灰体固体球作为前体，随后化学转化成钴 - 镍氧化物/ s，N-编号碳中空纳米球。受益于钴 - 镍氧化镍和S，N型编号碳纳米复合材料，分层孔隙率和中空结构的协同偶联，钴 - 氧化镍/ s，N型碳纳米冬冬胺表现出优异的三官能电催化活性和透过oer，ORR的耐久性，和她在碱性媒体。

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