Fe_3C-Co Nanoparticles Encapsulated in a Hierarchical Structure of N-Doped Carbon as a Multifunctional Electrocatalyst for ORR, OER, and HER

Yang Chun Cheng; Zai Shi Feng; Zhou Yi Tong; Du Li; Jiang Qing

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Fe_3C-Co Nanoparticles Encapsulated in a Hierarchical Structure of N-Doped Carbon as a Multifunctional Electrocatalyst for ORR, OER, and HER

机译：Fe_3C-Co纳米颗粒包裹在N掺杂碳的多层结构中，作为ORR，OER和HER的多功能电催化剂

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Rational design of non-noble metal catalysts with robust and durable electrocatalytic activity for oxygen reduction reaction (ORR), oxygen evolution reaction (OER), and hydrogen evolution reaction (HER) is extremely important for renewable energy conversion and storage, regenerative fuel cells, rechargeable metal-air batteries, water splitting etc. In this work, a unique hybrid material consisting of Fe3C and Co nanoparticles encapsulated in a nanoporous hierarchical structure of N-doped carbon (Fe3C-Co/NC) is fabricated for the first time via a facile template-removal method. Such an ingenious structure shows great features: the marriage of 1D carbon nanotubes and 2D carbon nanosheets, abundant active sites resulting from various active species of Fe3C, Co, and NC, mesoporous carbon structure, and intimate integration among Fe3C, Co, and NC. As a multifunctional electrocatalyst, the Fe3C-Co/NC hybrid exhibits excellent performance for ORR, OER, and HER, outperforming most of reported triple functional electrocatalysts. This study provides a new perspective to construct multifunctional catalysts with well-designed structure and superior performance for clean energy conversion technologies.

机译：对于氧还原反应（ORR），氧释放反应（OER）和氢释放反应（HER）具有强而持久的电催化活性的非贵金属催化剂的合理设计对于可再生能源转化和存储，可再生燃料电池至关重要，可充电金属空气电池，水分解等。在这项工作中，首次通过电熔法制造了一种独特的混合材料，该材料由包裹在N掺杂碳的纳米孔分层结构（Fe3C-Co / NC）中的Fe3C和Co纳米颗粒组成。简便的模板删除方法。这种巧妙的结构具有很大的特征：一维碳纳米管和二维碳纳米片的结合，由Fe3C，Co和NC的各种活性物种产生的丰富的活性位点，中孔碳结构以及Fe3C，Co和NC之间的紧密结合。作为一种多功能电催化剂，Fe3C-Co / NC杂化物对ORR，OER和HER表现出优异的性能，优于大多数报道的三功能电催化剂。这项研究为构造功能完备的结构和优异性能的清洁能源转化技术的多功能催化剂提供了新的视角。

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来源
《Advanced Functional Materials》 |2019年第27期|1901949.1-1901949.12|共12页
作者
Yang Chun Cheng; Zai Shi Feng; Zhou Yi Tong; Du Li; Jiang Qing;
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作者单位

Jilin Univ, Minist Educ, Key Lab Automobile Mat, Changchun 130022, Jilin, Peoples R China|Jilin Univ, Sch Mat Sci & Engn, Changchun 130022, Jilin, Peoples R China;

Jilin Univ, Minist Educ, Key Lab Automobile Mat, Changchun 130022, Jilin, Peoples R China|Jilin Univ, Sch Mat Sci & Engn, Changchun 130022, Jilin, Peoples R China;

Jilin Univ, Minist Educ, Key Lab Automobile Mat, Changchun 130022, Jilin, Peoples R China|Jilin Univ, Sch Mat Sci & Engn, Changchun 130022, Jilin, Peoples R China;

Jilin Univ, Minist Educ, Key Lab Automobile Mat, Changchun 130022, Jilin, Peoples R China|Jilin Univ, Sch Mat Sci & Engn, Changchun 130022, Jilin, Peoples R China;

Jilin Univ, Minist Educ, Key Lab Automobile Mat, Changchun 130022, Jilin, Peoples R China|Jilin Univ, Sch Mat Sci & Engn, Changchun 130022, Jilin, Peoples R China;

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hierarchical structures; hydrogen evolution reaction; multifunctional catalysts; oxygen evolution reaction; oxygen reduction reaction;

机译：分级结构;析氢反应;多功能催化剂;析氧反应;氧还原反应;

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1. MOF derived Co3O4 nanoparticles embedded in N-doped mesoporous carbon layer/MWCNT hybrids: extraordinary bi-functional electrocatalysts for OER and ORR [J] . Li Xinzhe, Fang Yiyun, Lin Xiaoqing, Journal of Materials Chemistry, A. Materials for energy and sustainability . 2015,第33期

机译：嵌入N掺杂介孔碳层/ MWCNT杂化物中的MOF衍生的Co3O4纳米颗粒：用于OER和ORR的非常规双功能电催化剂
2. Co3ZnC/Co nano heterojunctions encapsulated in N-doped graphene layers derived from PBAs as highly efficient bi-functional OER and ORR electrocatalysts [J] . Su Jianwei, Xia Guoliang, Li Ran, Journal of Materials Chemistry, A. Materials for energy and sustainability . 2016,第23期

机译：Co3ZnC / Co纳米异质结封装在源自PBA的N掺杂石墨烯层中，作为高效的双功能OER和ORR电催化剂
3. Designed synthesis of three-dimensional callistemon-like networks structural multifunctional electrocatalyst: Graphitic-carbon-encapsulated Co nanoparticles/N-doped carbon nanotubes@carbon nanonbers for Zn-air batteries application [J] . Yao Xiuyun, Li Jiajia, Zhu Yajing, Composites . 2020,第Jul15期

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4. Carbon Nanotube-Based Pmg-Free Electrocatalysts with High Oer and ORR Activities [C] . Naotoshi Nakashima Pacific Rim Meeting on Electrochemical and Solid-State Science . 2020

机译：基于碳纳米管的PMG的PMG电催化剂，具有高伊尔和ORR活动
5. Binary Metal Organic Frameworks Derived Hierarchical Hollow Ni3S2/Co9S8/N-Doped Carbon Composite with Superior Sodium Storage Performance [D] . Liu, Xinye 2017

机译：二元金属有机骨架衍生出具有优异钠存储性能的分层空心Ni3S2 / Co9S8 / N掺杂碳复合材料
6. Facile Synthesis of Mayenite Electride Nanoparticles Encapsulated in Graphitic Shells Like Carbon Nano Onions: Non-noble-metal Electrocatalysts for Oxygen Reduction Reaction (ORR) [O] . Karim Khan, Ayesha Khan Tareen, Muhammad Aslam, 2019

机译：容易合成莫奈石电热纳米粒子包封在石墨壳中的碳纳米洋葱如碳纳米洋葱：氧还原反应的非贵金属电气催化剂（ORR）
7. In situ construction of Co/N/C-based heterojunction on biomass-derived hierarchical porous carbon with stable active sites using a Co-N protective strategy for high-efficiency ORR, OER and HER trifunctional electrocatalysts [O] . Xuehui Lv, Zuoxu Xiao, Haoyuan Wang, 2021

机译：原位构建基于基于CO / N / C的异质结合生物质衍生的层级碳，使用CO-N保护策略进行稳定的活性位点，用于高效ORR，OER和三官能电催化剂
8. Experimental and Theoretical Studies of Carbon Nanotube Hierarchical Structures in Multifunctional Hybrid Composites. [R] . Saha, M. C., Altan, M. C., Resasco, D., 2012

机译：多功能复合材料中碳纳米管分层结构的实验与理论研究。

Fe_3C-Co Nanoparticles Encapsulated in a Hierarchical Structure of N-Doped Carbon as a Multifunctional Electrocatalyst for ORR, OER, and HER

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