On the Oxygen Reduction Reaction Mechanism Catalyzed by Pd Complexes on 2D Carbon. A Theoretical Study

被引：8

作者：

Bonechi, Marco ^{[1
]}

Giurlani, Walter ^{[1
,2
]}

Vizza, Martina ^{[1
]}

Savastano, Matteo ^{[1
]}

Stefani, Andrea ^{[3
]}

Bianchi, Antonio ^{[1
,4
]}

Fontanesi, Claudio ^{[5
]}

Innocenti, Massimo ^{[1
,2
,4
,6
]}

机构：

[1] Univ Florence, Dept Chem Ugo Schiff, Via Lastruccia 3, I-50019 Sesto Fiorentino, Italy

[2] Natl Interuniv Consortium Mat Sci & Technol INSTM, Via G Giusti 9, I-50121 Florence, Italy

[3] Univ Modena & Reggio Emilia, Dept Phys, Via Campi 213, I-41125 Modena, Italy

[4] Ctr Colloid & Surface Sci CSGI, Via Lastruccia 3, I-50019 Sesto Fiorentino, Italy

[5] Univ Modena & Reggio Emilia, Dept Engn Enzo Ferrari, DIEF, Via Vivarelli 10, I-41125 Modena, Italy

[6] Natl Res Council CNR, Inst Chem Organomet Cpds ICCOM, Via Madonna Piano 10, I-50019 Sesto Fiorentino, Italy

来源：

CATALYSTS | 2021年 / 11卷 / 07期

关键词：

fuel cell; ORR; PM6; band-gap; 2D carbon catalyst; SACs; METAL MACROCYCLIC COMPLEXES; BINDING; TIRES; H2O2;

D O I：

10.3390/catal11070764

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Oxygen Reduction Reaction (ORR) is the bottle-neck strategic reaction ruling the fuel cell efficiency process. The slow kinetics of the reaction require highly effective electrocatalysts for proper boosting. In this field, composite catalysts formed by carbon nanotubes functionalized with palladium(II) complexes showed surprising catalytic activity comparable to those of a commercial Pt electrode, but the catalytic mechanisms of these materials still remain open to discussion. In this paper, we propose the combination of experimental and theoretical results to unfold the elementary reaction steps underlying the ORR catalysis.

引用

页数：10

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