Effect of Mechanical Activation on the Electrochemical Behavior of MnO2. / Kozhina G. A.,Ermakov A. N.,Fetisov V. B.,Fetisov A. V.,Shunyaev K. Yu.,Dmitriev A. N.,Petrova S. A.,Zakharov R. G. // . - 2013. - V. 334-335, l. . - P. 369+.

ISSN/EISSN:
1012-0386 / нет данных
Type:
Proceedings Paper
Abstract:
Electrochemical behaviour of mechanoactivated beta-MnO2 powders has been studied by the method of cyclic voltammetry with a carbon-paste electroactive electrode. Mechanical activation was carried out by dry grinding in an AGO-2 planetary ball mill. It was found that the grinding process results in a mechanochemical effect in the surface layer of the oxide particles: Mn(IV) cations are reduced to Mn(III). Voltammetry test detects that mechanical activation of beta-MnO2 leads to a new state, which is characteristic for the gamma-modification of manganese dioxide (beta-MnO2 ->gamma-MnO2).
Author keywords:
mechanical activation; oxides; voltammetry; reductive dissolution MANGANESE-DIOXIDE; ALKALINE ELECTROLYTE; GAMMA-MNO2; BATTERIES; MECHANOCHEMISTRY; RECHARGEABILITY; DISSOLUTION; REDUCTION; OXIDES; SYSTEM
DOI:
10.4028/www.scientific.net/DDF
Web of Science ID:
ISI:000317868600065
Соавторы в МНС:
Другие поля
Поле Значение
Editor Ochsner, A and Murch, GE and Shokuhfar, A and Delgado, JMPQ
Booktitle DIFFUSION IN SOLIDS AND LIQUIDS VIII
Series Defect and Diffusion Forum
Note 8th International Conference on Diffusion in Solids Liquids (DSL 2012), Istanbul, TURKEY, JUN 25-29, 2012
Publisher TRANS TECH PUBLICATIONS LTD
Address KREUZSTRASSE 10, 8635 DURNTEN-ZURICH, SWITZERLAND
Language English
Keywords-Plus MANGANESE-DIOXIDE; ALKALINE ELECTROLYTE; GAMMA-MNO2; BATTERIES; MECHANOCHEMISTRY; RECHARGEABILITY; DISSOLUTION; REDUCTION; OXIDES; SYSTEM
Research-Areas Materials Science
Web-of-Science-Categories Materials Science, Multidisciplinary
Author-Email gala@usue.ru gala@usue.ru gala@usue.ru fetisovav@mail.ru shun@ural.ru dmi\_imet@r66.ru danaus@mail.ru danaus@mail.ru
ResearcherID-Numbers Shunyaev, Konstantin/A-3916-2014 Petrova, Sofya/A-9157-2014
ORCID-Numbers Petrova, Sofya/0000-0002-9796-5794
Funding-Acknowledgement Russian Foundation for Fundamental Research {[}12 10-03-00536-a, 11-03-00317]
Funding-Text This study was supported by the Russian Foundation for Fundamental Research (projects No 12 10-03-00536-a and 11-03-00317).
Number-of-Cited-References 29
Usage-Count-Last-180-days 1
Usage-Count-Since-2013 5
Doc-Delivery-Number BER64