Enhanced Catalytic Performance of Pt-Free Iron Phthalocyanine by Graphene Support for Efficient Oxygen Reduction Reaction

ACS Catalysis ◽  
2013 ◽  
Vol 3 (6) ◽  
pp. 1263-1271 ◽  
Author(s):  
Yuanyuan Jiang ◽  
Yizhong Lu ◽  
Xiangyu Lv ◽  
Dongxue Han ◽  
Qixian Zhang ◽  
...  
2019 ◽  
Vol 9 (23) ◽  
pp. 6556-6560 ◽  
Author(s):  
Qian He ◽  
Yuying Meng ◽  
Hao Zhang ◽  
Ying Zhang ◽  
Hongyu Chen ◽  
...  

A precursor-dilution strategy is developed to prepare an impurity-free Fe single atom catalyst with superior oxygen reduction reaction catalytic performance.


2017 ◽  
Vol 356 ◽  
pp. 381-388 ◽  
Author(s):  
Maida Aysla Costa de Oliveira ◽  
Barbara Mecheri ◽  
Alessandra D'Epifanio ◽  
Ernesto Placidi ◽  
Fabrizio Arciprete ◽  
...  

Nanomaterials ◽  
2018 ◽  
Vol 8 (11) ◽  
pp. 955 ◽  
Author(s):  
Jing Liu ◽  
Jiao Yin ◽  
Bo Feng ◽  
Tao Xu ◽  
Fu Wang

The Pt particles within diameters of 1–3 nm known as Pt nanoclusters (NCs) are widely considered to be satisfactory oxygen reduction reaction (ORR) catalysts due to higher electrocatalytic performance and cost effectiveness. However, the utilization of such smaller Pt NCs is always limited by the synthesis strategies, stability and methanol tolerance of Pt. Herein, unprotected Pt NCs (~2.2 nm) dispersed on carbon nanotubes (CNTs) were prepared via a modified top-down approach using liquid Li as a solvent to break down the bulk Pt. Compared with the commercial Pt/C, the resultant Pt NCs/CNTs catalyst (Pt loading: 10 wt.%) exhibited more desirable ORR catalytic performance in 0.1 M HClO4. The specific activity (SA) and mass activity (MA) at 0.9 V for ORR over Pt NCs/CNTs were 2.5 and 3.2 times higher than those over the commercial Pt/C (Pt loading: 20 wt.%). Meanwhile, the Pt NCs/CNTs catalyst demonstrated more satisfactory stability and methanol tolerance. Compared with the obvious loss (~69%) of commercial Pt/C, only a slight current decrease (~10%) was observed for Pt NCs/CNTs after the chronoamperometric measurement for 2 × 104 s. Hence, the as-prepared Pt NCs/CNTs material displays great potential as a practical ORR catalyst.


2019 ◽  
Vol 7 (27) ◽  
pp. 16508-16515 ◽  
Author(s):  
Guanying Ye ◽  
Qian He ◽  
Suqin Liu ◽  
Kuangmin Zhao ◽  
Yuke Su ◽  
...  

Atomically dispersed iron doped-MOF-derived carbon with high iron loading and nitrogen content for the oxygen reduction reaction via a cage-confinement strategy shows excellent catalytic performance.


2021 ◽  
Vol 280 ◽  
pp. 119437 ◽  
Author(s):  
Xuezheng Yu ◽  
Shoujuan Lai ◽  
Shishan Xin ◽  
Shuai Chen ◽  
Xiaoli Zhang ◽  
...  

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