
1. 广东工业大学 材料与能源学院,广东,广州,510006
2. 北方民族大学 材料科学与工程学院,宁夏,银川,750021
Online First:25 November 2023,
Published:2023
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吴梦雪, 马金福, 刘子逸, 刘慧泽, 王冠东, 陈轩毅, 施志聪. Zn/Fe纳米颗粒共嵌入碳纳米管提高氧还原反应性能[J]. 广东工业大学学报, 2023, 40(6): 106-113, 184.
Wu Meng-xue, Ma Jin-fu, Liu Zi-yi, et al. Zn/Fe Nanoparticles Co-embedded with Carbon Nanotubes Improve the Oxygen Reduction Reaction Performance[J]. 2023, 40(6): 106-113, 184.
吴梦雪, 马金福, 刘子逸, 刘慧泽, 王冠东, 陈轩毅, 施志聪. Zn/Fe纳米颗粒共嵌入碳纳米管提高氧还原反应性能[J]. 广东工业大学学报, 2023, 40(6): 106-113, 184. DOI: 10.12052/gdutxb.230114.
Wu Meng-xue, Ma Jin-fu, Liu Zi-yi, et al. Zn/Fe Nanoparticles Co-embedded with Carbon Nanotubes Improve the Oxygen Reduction Reaction Performance[J]. 2023, 40(6): 106-113, 184. DOI: 10.12052/gdutxb.230114.
开发低成本、高稳定、高催化活性氧化还原反应(Oxygen Reduction Reaction
ORR)的非贵金属催化剂对燃料电池和金属−空气电池的应用至关重要。本文研究了以ZIF-8为前驱体一步合成ZnFe纳米颗粒嵌入N、S掺杂碳纳米管的复合催化剂(ZnS-FeS-Fe
3
C/S
NCNT)。通过电化学测试确定最优煅烧温度后的样品ZFF/S
NCNT-8的起始电位
E
o
为0.99 V vs. RHE和半波电位
E
1/2
为0.84 V vs. RHE,并且与商业Pt/C相当,具有良好的甲醇耐受性和长期稳定性。同时也提出S、N共掺杂碳纳米管(Carbon Nanotube
CNT) 和额外的ZnS、FeS和Fe
3
C提供活性位点可以提高ORR催化性能。文中所采用的原位生长CNT方法,可为制备燃料电池和金属−空气电池的阴极催化剂提供思路。
The development of low-cost
highly stable
and catalytically active oxygen reduction reaction (ORR) non-precious metal catalysts is essential for fuel cells and metal-air batteries applications. In this study
the one-step synthesis of composite catalysts of ZnFe nanoparticles embedded with nitrogen and sulfur doped carbon nanotubes (ZnS-FeS-Fe
3
C/S
NCNT) was reported using ZIF-8 as precursor. The sample of ZFF/S
NCNT-8 after the optimal calcination temperature was determined by electrochemical tests to be onset potential of 0
.99 V vs. RHE and a half-wave potential of 0.84 V vs. RHE
as well as a good methanol tolerance and long-term durability comparable to commercial Pt/C. It is also proposed that S
N co-doped carbon nanotube (CNT) and additional ZnS
FeS and Fe
3
C providing active sites can enhance the ORR catalytic performance. The in-situ growth CNT method used in the study can provide ideas for the preparation of cathode catalysts for fuel cells and metal-air batteries.
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