Journal
JOURNAL OF POWER SOURCES
Volume 87, Issue 1-2, Pages 205-211Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S0378-7753(99)00487-5
Keywords
electrolytic manganese dioxide; titanium doping
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A preliminary screening test of some organo-titanium compounds was conducted. The aim was to find their chemical stability in the electrolyte used for manganese dioxide production. Titanium doped electrolytic manganese dioxide (Ti-EMD) samples were prepared using suitable organo-titanium compounds and a special fine-grained titanium dioxide. The Ti-EMD samples were characterised by conducting physical, chemical and electrochemical tests on them. Physical tests included: X-ray diffraction analysis and BET surface area determination. Chemical test conducted was the determination of titanium content of samples. The electrochemical characterisation involved: cyclic voltammetry, galvanostatic discharge and application of sample in real cell situations. Doped samples performed well in comparison with TOSOH-Hellas GH-S (commercial battery grade electrolytic manganese dioxide). (C) 2000 Elsevier Science S.A. All rights reserved.
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