Výsledky vyhledávání - "B. N. Efremov"

Nanosize catalysts based on carbon materials promoted by cobalt tetra(para-methoxyphenyl) porphyrin pyropolymer for oxygen electroreduction

Autor: N. M. Zagudaeva, V. A. Bogdanovskaya, T. Iidzima, Z. R. Ismagilov, B. N. Efremov, L. A. Beketaeva, M. Sakashita, K. V. Rybalka

Publikováno v: Russian Journal of Electrochemistry. 44:293-302

We present the results of electrochemical and structural investigations of several carbon materials: carbon blacks AD 100 and XC 72, ultradisperse diamond (UDD), multiwalled nanotubes (MWNT), various types of filament-like carbon materials (CFC serie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b0b80fbc1aa08e295666fe2f0916b0a6
https://doi.org/10.1134/s1023193508030063

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Development of platinum-free catalyst and catalyst with low platinum content for cathodic oxygen reduction in acidic electrolytes

Autor: M. R. Ehrenburg, Tarasevich Mikhail R, B. N. Efremov, L. N. Kuznetsova, Yu. G. Chirkov, A. E. Chalykh, N. A. Kapustina, V. A. Bogdanovskaya, Alexander D. Modestov

Publikováno v: Journal of Applied Electrochemistry. 37:1503-1513

Studies are presented of the kinetics and mechanism of oxygen electroreduction on CoPd catalysts synthesized on XC 72 carbon black. As shown both in model conditions and in tests with the cathodes of hydrogen–oxygen fuel cells with proton conductin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::77be3dd0fa2974fdd99c101aa3dcb346
https://doi.org/10.1007/s10800-007-9402-5

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Kinetics and mechanism of oxygen reduction reaction at CoPd system synthesized on XC72

Autor: A. E. Chalykh, N. A. Kapustina, Tarasevich Mikhail R, V. A. Bogdanovskaya, M. R. Ehrenburg, L. A. Reznikova, L. N. Kuznetsova, B. N. Efremov

Publikováno v: Electrochimica Acta. 51:4455-4462

Studies are presented of the kinetics and mechanism of oxygen electroreduction reaction on CoPd catalysts synthesized on carbon black XC72. As shown both in model conditions and in the tests within the cathodes of hydrogen–oxygen fuel cells with pr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::23c0e0c5f4b72a31205386aef25137e6
https://doi.org/10.1016/j.electacta.2005.12.023

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Structural Characteristics of the Raney Nickel Promoted by a Platinum-Ruthenium Mixture and Its Electrocatalytic Activity in the Methanol Oxidation Reaction in Alkaline Media

Autor: Z. R. Karichev, B. N. Efremov, M. R. Tarasevich, V. A. Bogdanovskaya, A. V. Kapustin

Publikováno v: Russian Journal of Electrochemistry. 41:1265-1273

Structural characteristics and electrocatalytic activity in the methanol oxidation reaction in an alkaline solution of the Raney nickel promoted by a platinum-ruthenium mixture are studied with the aid of methods of scanning electron microscopy, x-ra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8ac74c992c6768a65711da52953725f5
https://doi.org/10.1007/s11175-005-0214-9

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Electroconductance and Penetrability of Polybenzimidazole Membranes in Alkaline Solutions

Autor: L. N. Kuznetsova, V. A. Bogdanovskaya, B. N. Efremov, Z. R. Karichev, A. V. Kapustin, M. R. Tarasevich

Publikováno v: Russian Journal of Electrochemistry. 40:653-656

Effect of various factors on the conductance and penetrability of polybenzimidazole membranes is studied. The conductivity of alkali-doped membranes is no lower than 0.01 S cm–1. The membrane penetrability to methanol is close to that of Nafion.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::52ddbc8224cfb8cf82ade07dde4b228a
https://doi.org/10.1023/b:ruel.0000032016.70495.75

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Electrochemical Properties of Carbon Black AD-100 and AD-100 Promoted with Pyropolymer of Cobalt Tetra(p-methoxyphenyl)porphyrin

Autor: Valentin E. Sosenkin, N. M. Zagudaeva, L. N. Kuznetsova, B. N. Efremov, K. V. Rybalka, L. A. Beketaeva, M. R. Tarasevich

Publikováno v: Russian Journal of Electrochemistry. 40:542-551

Carbon black AD-100: initial, activated, and promoted with pyropolymer of cobalt tetra(p-methoxyphenyl)porphyrin is characterized by a complex of electrochemical (floating electrode, rotating disk electrode, rotating ring-disk electrode, electrochemi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9d34729eb11072a528ea1b6fe3ee34f9
https://doi.org/10.1023/b:ruel.0000027626.04135.9c

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[Untitled]

Autor: M. A. Osina, B. N. Efremov, V. A. Bogdanovskaya

Publikováno v: Russian Journal of Electrochemistry. 38:1082-1086

Dependences of the rate of bioelectrocatalytic reduction of oxygen at an electrode with a laccase–Nafion composite on the partial oxygen pressure are obtained in a wide potential range. The saturation concentration by oxygen for this enzyme electro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bd97b745da0c7c9c063c11b274d35d7b
https://doi.org/10.1023/a:1020695401751

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[Untitled]

Autor: V. A. Bogdanovskaya, M. R. Tarasevich, B. N. Efremov

Publikováno v: Russian Journal of Electrochemistry. 37:639-642

Electroreduction of oxygen on carbon materials with immobilized tyrosinase is studied, and the effect the carbon support nature and the immobilization technique have on the reaction rate is determined. The tyrosinase activity in a direct bioelectroca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d6616ea7a5293d8711eae4d9da9a0866
https://doi.org/10.1023/a:1016635005167

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