Abstract
Pyrolyzed Fe/N/C catalyst has been considered as the most promising candidate to replace Pt for oxygen reduction reaction (ORR) in fuel cells. However, poor stability of Fe/N/C catalyst, mainly attributed to the oxidation corrosion by aggressive •OH radical, severely hampers its applications. However, the exact mechanism for generation of •OH is unclear yet. Herein, we developed a fluorescent method to effectively detect •OH generated from ORR on Fe/N/C catalyst by using coumarin as a fluorescent probe. A great difference in potential dependence between •OH and H2O2 generated from the ORR was observed, which suggests that •OH is not generated from the decomposition of H2O2 as traditional viewpoint.
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Lefèvre M, Proietti E, Jaouen F, Dodelet JP. Science, 2009, 324: 71–74
Wu G, More KL, Johnston CM, Zelenay P. Science, 2011, 332: 443–447
Huang X, Wang Y, Li W, Hou Y. Sci China Chem, 2017, 60: 1494–1507
Liu J, Jin Z, Wang X, Ge J, Liu C, Xing W. Sci China Chem, 2019, 62: 669–683
Proietti E, Jaouen F, Lefèvre M, Larouche N, Tian J, Herranz J, Dodelet JP. Nat Commun, 2011, 2: 416
Choi JY, Yang L, Kishimoto T, Fu X, Ye S, Chen Z, Banham D. Energy Environ Sci, 2017, 10: 296–305
Banham D, Ye S, Pei K, Ozaki J, Kishimoto T, Imashiro Y. J Power Sources, 2015, 285: 334–348
Herranz J, Jaouen F, Lefèvre M, Kramm UI, Proietti E, Dodelet JP, Bogdanoff P, Fiechter S, Abs-Wurmbach I, Bertrand P, Arruda TM, Mukerjee S. J Phys Chem C, 2011, 115: 16087–16097
Ferrandon M, Wang X, Kropf AJ, Myers DJ, Wu G, Johnston CM, Zelenay P. Electrochim Acta, 2013, 110: 282–291
Wu G, Artyushkova K, Ferrandon M, Kropf AJ, Myers D, Zelenay P. ECS Trans, 2009, 25: 1299–1311
Goellner V, Armel V, Zitolo A, Fonda E, Jaouen F. J Electrochem Soc, 2015, 162: H403–H414
Choi CH, Lim HK, Chung MW, Chon G, Ranjbar Sahraie N, Altin A, Sougrati MT, Stievano L, Oh HS, Park ES, Luo F, Strasser P, Dražić G, Mayrhofer KJJ, Kim H, Jaouen F. Energy Environ Sci, 2018, 11: 3176–3182
Schulenburg H, Stankov S, Schünemann V, Radnik J, Dorbandt I, Fiechter S, Bogdanoff P, Tributsch H. J Phys Chem B, 2003, 107: 9034–9041
Jaouen F, Proietti E, Lefèvre M, Chenitz R, Dodelet JP, Wu G, Chung HT, Johnston CM, Zelenay P. Energy Environ Sci, 2011, 4: 114–130
Lefèvre M, Dodelet JP. Electrochim Acta, 2003, 48: 2749–2760
Gubler L, Dockheer SM, Koppenol WH. J Electrochem Soc, 2011, 158: B755
Shiku H, Uchida I, Matsue T. Langmuir, 1997, 13: 7239–7244
Yue Q, Zhang K, Chen X, Wang L, Zhao J, Liu J, Jia J. Chem Commun, 2010, 46: 3369–3371
Dodelet JP. Oxygen reduction in PEM fuel cell conditions: heat-treated non-precious metal-N4 macrocycles and beyond. N4-macro-cyclic metal complexes. In: Zagal JH, Bedioui F, Dodelet JP, Eds. N4-Macrocyclic Metal Complexes. New York: Springer, 2006. 83–147
Wei H, Su X, Liu J, Tian J, Wang Z, Sun K, Rui Z, Yang W, Zou Z. Electrochem Commun, 2018, 88: 19–23
Noël JM, Latus A, Lagrost C, Volanschi E, Hapiot P. J Am Chem Soc, 2012, 134: 2835–2841
Sengupta K, Chatterjee S, Dey A. ACS Catal, 2016, 6: 6838–6852
Prabhakaran V, Arges CG, Ramani V. Proc Natl Acad Sci USA, 2012, 109: 1029–1034
Chen X, Tian X, Shin I, Yoon J. Chem Soc Rev, 2011, 40: 4783–4804
Burgos-Castillo RC, Fontmorin JM, Tang WZ, Dominguez-Benetton X, Sillanpää M. RSC Adv, 2018, 8: 5321–5330
Wang J, Wang K, Wang FB, Xia XH. Nat Commun, 2014, 5: 5285
Nakabayashi Y, Nosaka Y. Phys Chem Chem Phys, 2015, 17: 30570–30576
Nosaka Y, Nosaka AY. Chem Rev, 2017, 117: 11302–11336
Yang XD, Zheng Y, Yang J, Shi W, Zhong JH, Zhang C, Zhang X, Hong YH, Peng XX, Zhou ZY, Sun SG. ACS Catal, 2016, 7: 139–145
Ishibashi K, Fujishima A, Watanabe T, Hashimoto K. Electrochem Commun, 2000, 2: 207–210
Jing Y, Chaplin BP. Environ Sci Technol, 2017, 51: 2355–2365
Muthukrishnan A, Nabae Y. J Phys Chem C, 2016, 120: 22515–22525
Acknowledgements
This work was supported by the National Key Research and Development Program of China (2017YFA0206500), and the National Natural Science Foundation of China (21603103, 21875194, 21902125, 91645121).
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Chen, LN., Yu, WS., Wang, T. et al. Fluorescence detection of hydroxyl radical generated from oxygen reduction on Fe/N/C catalyst. Sci. China Chem. 63, 198–202 (2020). https://doi.org/10.1007/s11426-019-9635-2
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DOI: https://doi.org/10.1007/s11426-019-9635-2