Porous-Organic-Framework-Templated Nitrogen-Rich Porous Carbon as a More Proficient Electrocatalyst than Pt/C for the Electrochemical Reduction of Oxygen

被引：88

作者：

Pachfule, Pradip ^{[1
]}

Dhavale, Vishal M. ^{[1
]}

Kandambeth, Sharath ^{[1
]}

Kurungot, Sreekumar ^{[1
]}

Banerjee, Rahul ^{[1
]}

机构：

[1] Natl Chem Lab, CSIR, Phys Mat Chem Div, Pune 411008, Maharashtra, India

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2013年 / 19卷 / 03期

关键词：

adsorption; electrochemistry; fuel cells; oxygen-reduction reaction; porous organic frameworks; XPS CHARACTERIZATION; FUEL-CELLS; NANOTUBES; STORAGE; GRAPHENE; CATALYSTS; CAPACITY; HYDROGEN; DIOXIDE; ARRAYS;

D O I：

10.1002/chem.201202940

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Porous nitrogen-rich carbon (POF-C-1000) that was synthesized by using a porous organic framework (POF) as a self-sacrificing host template in a nanocasting process possessed a high degree of graphitization in an ordered structural arrangement with large domains and well-ordered arrays of carbon sheets. POF-C-1000 exhibits favorable electrocatalytic activity for the oxygen-reduction reaction (ORR) with a clear positive shift of about 40 mV in the onset potential compared to that of a traditional, commercially available Pt/C catalyst. In addition, irrespective of its moderate surface area (785 m2?g-1), POF-C-1000 showed a reasonable H2 adsorption of 1.6 wt?% (77 K) and a CO2 uptake of 3.5 mmol?g-1 (273 K).

引用

页码：974 / 980

页数：7

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