|本期目录/Table of Contents|

[1]肖龙飞,李楠.炭黑负载酞菁共价有机框架衍生催化剂的制备及其氧还原性能[J].浙江理工大学学报,2021,45-46(自科四):453-461.
　XIAO Longfei,LI Nan.Preparation and oxygen reduction performance of carbon blackloaded phthalocyanine covalent organic framework derived catalyst[J].Journal of Zhejiang Sci-Tech University,2021,45-46(自科四):453-461.
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炭黑负载酞菁共价有机框架衍生催化剂的制备及其氧还原性能()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第45-46卷
期数:
2021年自科第四期
页码:
453-461
栏目:
出版日期:
2021-07-10

文章信息/Info

Title:
Preparation and oxygen reduction performance of carbon blackloaded phthalocyanine covalent organic framework derived catalyst
文章编号:
1673-3851 (2021) 07-0453-09
作者:
肖龙飞; 李楠
浙江理工大学纺织纤维材料与加工技术国家地方联合工程实验室, 杭州 310018
Author(s):
XIAO Longfei;  LI Nan
National Engineering Lab for Textile Fiber Materials and Processing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
关键词:
四氨基钴酞菁; 炭黑; 共价有机框架; 氧还原
分类号:
O643.36
文献标志码:
A
摘要:
以四氨基钴酞菁(Cobalt tetraaminophthalocyanine，CoPc(NH2)4)为结构单元，4,4′联苯二甲醛为连接基团，通过希夫碱反应在炭黑表面原位生长得到CoCOFs/CB前驱体，然后高温热解得到高效氧还原活性的过渡金属/氮/碳(MNC)催化剂：CoCOFs/CBX(X=600、700、800 ℃)。使用透射电子显微镜、傅里叶红外光谱和X射线光电子能谱等对样品的微观形貌、官能团结构以及表面成分等进行表征。测试表明：CoCOFs/CB700催化剂存在暴露的CoN/C、吡啶氮以及石墨氮的活性位点，有效提高了氧还原活性和稳定性。CoCOFs/CB700催化剂的半波电位达到0841 V，极限电流密度为596 mA/cm2，电子转移数为378～396，HO2-产率为25%～141%。这表明CoCOFs/CB700催化剂具有接近20% Pt/C的氧还原活性，氧还原途径为接近4电子的反应途径，且稳定性和抗甲醇性能均优于20% Pt/C。这说明CoCOFs/CB 700催化剂在燃料电池和金属空气电池领域具有潜在的应用前景

参考文献/References:

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［7］ Yang G, Choi W C, Pu X, et al. Scalable synthesis of bifunctional highperformance carbon nanotube sponge catalysts and electrodes with optimum C–N–Fe coordination for oxygen reduction reaction［J］. Energy & Environmental Science, 2015, 8(6): 1799-1807.［8］ 马丹阳, 蔡周阳, 徐彦, 等. 碳纳米管介孔碳/硫复合材料的制备及其电化学性能［J］. 浙江理工大学学报(自然科学版), 2020, 43(4): 492-498.
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备注/Memo

备注/Memo:
收稿日期：2021-01-09
网络出版日期：2021-03-31
基金项目：国家自然科学基金项目（51703201）
作者简介：肖龙飞（1993-），男，甘肃庆阳人，硕士研究生，主要从事电催化氧还原方面的研究
通信作者：李楠，E-mail：linan@zstu.edu.cn
更新日期/Last Update: 2021-09-13