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Synthesis of binary metal oxides (Nb, Zr, Ta, Ru, Mo and Co) supported on amorphous carbon for the production of gas diffusion electrodes (GDE) for the electrosynthesis of H2O2 in situ in flow reactors.


This research project presents a new proposal for the development of electrocatalysts of binary metal oxides supported on amorphous carbon to H2O2 electrosynthesis by O2 reduction reaction. Within this scope, binary metal oxide catalysts are produced (Nb, Zr, Ta, Ru, Mo and Co) supported on carbon Printex 6L and evaluated using techniques of morphological and structural analysis (XRF, TEM, XRD and XPS) and electroanalytical techniques (cyclic voltammetry and linear sweep voltammetry) in rotating ring-disc electrode (RRDE). The most efficient catalysts for the production of H2O2 are incorporated into gas diffusion electrodes modified to be coupled in electrochemical cells and electrochemical flow reactors, with monitoring the levels of H2O2 produced. (AU)

Scientific publications (15)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
MARQUES CORDEIRO-JUNIOR, PAULO JORGE; KRONKA, MATHEUS SCHIAVON; GOULART, LORENA ATHIE; VERISSIMO, NATHALIA CAROLINA; MASCARO, LUCIA HELENA; DOS SANTOS, MAURO COELHO; BERTAZZOLI, RODNEI; DE VASCONCELOS LANZA, MARCOS ROBERTO. Catalysis of oxygen reduction reaction for H2O2 electrogeneration: The impact of different conductive carbon matrices and their physicochemical properties. JOURNAL OF CATALYSIS, v. 392, p. 56-68, DEC 2020. Web of Science Citations: 0.
MARQUES CORDEIRO-JUNIOR, PAULO JORGE; GONCALVES, ROGER; GUARALDO, THAIS TASSO; PAIVA, ROBERT DA SILVA; PEREIRA, ERNESTO CHAVES; DE VASCONCELOS LANZA, MARCOS ROBERTO. Oxygen reduction reaction: Semi-empirical quantum mechanical and electrochemical study of Printex L6 carbon black. Carbon, v. 156, p. 1-9, JAN 2020. Web of Science Citations: 0.
MOREIRA, JULIANA; LIMA, VERNICA BOCALON; GOULART, LORENA ATHIE; LANZA, MARCOS R. V. Electrosynthesis of hydrogen peroxide using modified gas diffusion electrodes (MGDE) for environmental applications: Quinones and azo compounds employed as redox modifiers. APPLIED CATALYSIS B-ENVIRONMENTAL, v. 248, p. 95-107, JUL 5 2019. Web of Science Citations: 4.
GUARALDO, THAIS T.; GOULART, LORENA A.; MORAES, FERNANDO C.; LANZA, V, MARCOS R. Carbon black nanospheres modified with Cu (II)-phthalocyanine for electrochemical determination of Trimethoprim antibiotic. Applied Surface Science, v. 470, p. 555-564, MAR 15 2019. Web of Science Citations: 7.
SILVA, F. L.; LANZA, V, M. R.; SAEZ, C.; RODRIGO, M. A. Electrochemical dewatering for the removal of hazardous species from sludge. Journal of Environmental Management, v. 233, p. 768-773, MAR 1 2019. Web of Science Citations: 1.
SILVA, FERNANDO L.; SAEZ, CRISTINA; LANZA, V, MARCOS R.; CANIZARES, PABLO; RODRIGO, MANUEL A. The Role of Mediated Oxidation on the Electro-irradiated Treatment of Amoxicillin and Ampicillin Polluted Wastewater. CATALYSTS, v. 9, n. 1 JAN 2019. Web of Science Citations: 9.
FORTI, JULIANE C.; ROCHA, ROBSON S.; DE ANDRADE, ADALGISA R.; LANZA, MARCOS R. V. Application of Oxides Electrodes (Ru, Ti, Ir and Sn) for the Electrooxidation of Levofloxacin. CURRENT ANALYTICAL CHEMISTRY, v. 15, n. 1, p. 66-74, 2019. Web of Science Citations: 0.
GOULART, LORENA A.; GUARALDO, THAIS T.; LANZA, MARCOS R. V. A Novel Electrochemical Sensor Based on Printex L6 Carbon Black Carrying CuO/Cu2O Nanoparticles for Propylparaben Determination. Electroanalysis, v. 30, n. 12, p. 2967-2976, DEC 2018. Web of Science Citations: 4.
CARNEIRO, JUSSARA F.; SILVA, FERNANDO L.; MARTINS, ALYSSON S.; DIAS, RAFAEL M. P.; TITATO, GUILHERME M.; SANTOS-NETO, ALVARO J.; BERTAZZOLI, RODNEI; LANZA, MARCOS R. V. Simultaneous degradation of hexazinone and diuron using ZrO2-nanostructured gas diffusion electrode. CHEMICAL ENGINEERING JOURNAL, v. 351, p. 650-659, NOV 1 2018. Web of Science Citations: 1.
PAZ, EDSON C.; AVEIRO, LUCI R.; PINHEIRO, VICTOR S.; SOUZ, FELIPE M.; LIMA, VERONICA B.; SILVA, FERNANDO L.; HAMMER, PETER; LANZA, V, MARCOS R.; SANTOS, MAURO C. Evaluation of H2O2 electrogeneration and decolorization of Orange II azo dye using tungsten oxide nanoparticle-modified carbon. APPLIED CATALYSIS B-ENVIRONMENTAL, v. 232, p. 436-445, SEP 15 2018. Web of Science Citations: 20.
MARTINS, ALYSSON STEFAN; NUNEZ, LUCIANA; DE VASCONCELOS LANZA, MARCOS ROBERTO. Enhanced photoelectrocatalytic performance of TiO2 nanotube array modified with WO3 applied to the degradation of the endocrine disruptor propyl paraben. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, v. 802, p. 33-39, OCT 1 2017. Web of Science Citations: 6.
ROCHA, ROBSON S.; VALIM, RICARDO B.; TREVELIN, LEANDRO C.; SILVA, FERNANDO L.; STETER, JULIANA R.; ZAIAT, MARCELO; LANZA, MARCOS R. V. New operational mode of an electrochemical reactor and its application to the degradation of levofloxacin. JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING, v. 5, n. 5, p. 4441-4446, OCT 2017. Web of Science Citations: 5.
CARNEIRO, JUSSARA F.; TREVELIN, LEANDRO C.; LIMA, ALEX S.; MELONI, GABRIEL N.; BERTOTTI, MAURO; HAMMER, PETER; BERTAZZOLI, RODNEI; LANZA, MARCOS R. V. Synthesis and Characterization of ZrO2/C as Electrocatalyst for Oxygen Reduction to H2O2. ELECTROCATALYSIS, v. 8, n. 3, p. 189-195, MAY 2017. Web of Science Citations: 10.
MARTINS, ALYSSON S.; HARITO, CHRISTIAN; BAVYKIN, DMITRY V.; WALSH, FRANK C.; LANZA, MARCOS R. V. Insertion of nanostructured titanates into the pores of an anodised TiO2 nanotube array by mechanically stimulated electrophoretic deposition. JOURNAL OF MATERIALS CHEMISTRY C, v. 5, n. 16, p. 3955-3961, APR 28 2017. Web of Science Citations: 3.
CARNEIRO, JUSSARA F.; PAULO, MARIA J.; SIAJ, MOHAMED; TAVARES, ANA C.; LANZA, MARCOS R. V. Zirconia on Reduced Graphene Oxide Sheets: Synergistic Catalyst with High Selectivity for H2O2 Electrogeneration. CHEMELECTROCHEM, v. 4, n. 3, p. 508-513, MAR 2017. Web of Science Citations: 1.

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