LABAT’99, 07-10.06.1999, Sofia, Bulgaria

ALABC - new directions
J.COLE, P.MOSELEY, ILZRO, INC., P.O.Box 12036, Research Triangle Park, NC 27709-2036, USA

VRLA BATTERIES

Challenges in materials for VRLA batteries for cycling service
R.D.PRENGAMAN, RSR Technologies, Inc.
2777 Stemmons F., Suite 1800, Dallas, TX 75207, USA

Increasing silver levels in lead-acid battery active materials: Effects on SLI battery performance
M.M.LAWRENCE, GNB Technologies, 1110 Centre Pointe Curve, Mendota Heights, MN 55120-2000 USA

A study of improving the utilization of positive active material
X.HU, X.WU, L.CHEN, J.ZHAO, Y.TONG, R&D Center of Power Sources, Narada Battery Co., Ltd., Hangzhou 310013, China

Oxygen transport mechanism in AGM wicking test device
E.BASHTAVELOVA, A.WINSEL, Universitat Gh-Kassel, Germany
A.FERREIRA, AMER-SIL S.A., Kehlen, Luxembourg

Theoretical calculations for using positive electrode compression to increase lead-acid battery life
D.EDWARDS, University of Idaho, Mechanical Engineering Dept., Moscow, Idaho 83844-0902, USA
C.SCHMITZ, Institut fur Solare Energieversongungstechnik (ISET), D-3500 Kassel, Konigstor 59, Germany

Development of VRLA batteries for high rate discharge applications
JENN-SHING CHEN, Dept. of Chemical Engineering, I-Shou University, Kaohsiung County, Taiwan, China. L.F.WANG, School of Chemistry, Kaohsiung Medical College, Kaohsiung, Taiwan, China.

Influence of some factors on discharge characteristics of the sealed lead-acid cells
G.KOLIKOVA, M.BARSUKOVA, V.BAYUNOV, M. LUSHINA, Accumulator Institute JSC "NIAI Istochnik", Sankt-Petersburg, Russia

NEGATIVE PLATE

Multivariate analysis for characterization of expanders
B.MYRVOLD, Borregaard LignoTech, P.O.Box 162, N-1709 Sarpsborg, Norway
D.PAVLOV, Central Laboratory of Electrochemical Power Sources, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria

A new generation of highly efficient expander products
D.PAVLOV, T.ROGACHEV, M.MATRAKOVA, Central Laboratory of Electrochemical Power Sources, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
G.RODSRUD, B.MYRVOLD, Borregaard LignoTech, P.O.Box 162, N-1709 Sarpsborg, Norway

The effect of expanders on lead sulphate formation and reduction
C.FRANCIA, M.MAJA, P.SPINELLI, Dept. of Materials Science and Chemical Engineering, Polytechnical University of Turin, Italy

Electrochemical techniques for the characterization of expander materials
C.FRANCIA, M.MAJA, P.SPINELLI, Dept. of Materials Science and Chemical Engineering, Polytechnical University of Turin, Italy
F.SAEZ, S.E.A. TUDOR S.A., Exide Europe, R&D Laboratory, Azuqueca de Menares, Spain
B.MARTINEZ, D.MARIN, Dept. of Physical Chemistry, University of Alcala de Henares, Spain

EV BATTERIES

Advanced lead-acid battery for electric vehicles
M.RAGHAVAN, Central Electrochemical Research Institute, Karaikudi 630006, Tamil Nadu, India

Application of Peaks in the development of EV batteries
Q.DENGKE, Guangzhou Storage Battery Enterprises Co., Ltd., Guangzhou 510400, China

A practicable lead-acid battery used for EV application in China National Electric Vehicle Program
MING ZHANG, R&D Dept., ZiBo Storage Battery Factory, P.O.Box 9, ZiBo 255056, ShanDong, P.R.China

POSITIVE PLATE

Thermal degradation of a and b PbO2 and its relationship to capacity loss
R.FITAS, L.ZERROUAL, N.CHELALI, B.DJELLOULI, Institute of Industrial Chemistry, The University of Setif, 19000 Algeria

Influence of PAM density on the cycle life of positive lead-acid battery plates
G.PAPAZOV, B.MONAHOV, D.PAVLOV, Central Laboratory of Electrochemical Power Sources, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria

Influence of fast charge on the interface grid/PAM of lead-acid batteries
D.PAVLOV, G.PETKOVA, M.DIMITROV, Central Laboratory of Electrochemical Power Sources, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
M.SHIOMI, M.TSUBOTA, Japan Storage Battery Co., Ltd., Kyoto, Japan

Influence of fast charge on the structure and properties of lead-dioxide active mass
M.DIMITROV, D.PAVLOV, Central Laboratory of Electrochemical Power Sources, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
M.SHIOMI, M.TSUBOTA, Japan Storage Battery Co., Ltd., Kyoto, Japan

Grid technology and silver additive influence on VRLA-AGM battery performances for electric vehicle application
L.TORCHEUX, A.VILLARAN, M.BELLMUNT, P.LAILLER, SEAC-Exide, 5 a 7 allee des Pierres Mayettes, 92636 Gennevilliers, France

LEAD ELECTRODE, PbO2 ELECTRODE

Influence of Ag on the oxygen evolution reaction on Pb/PbO2 electrode
B.MONAHOV, D.PAVLOV, Central Laboratory of Electrochemical Power Sources, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria

In-situ analysis of electrochemical reaction at lead surface in sulfuric acid solution
Y.YAMAGUCHI, M.SHIOTA, Y.NAKAYAMA, 1st Dept., Advanced Technology Center, Yuasa Corporation, 6-6 Josai-cho, Takatsuki, Osaka 569-0065, Japan
N.HIRAI, S.HARA, Dept. of Materials Science & Processing, Faculty of Engineering, Osaka University, Yamadaoka, Suita, Osaka 565-0871, Japan

The electrochemical behavior of PbSO4 with different structures on Pb
Y.GUO, L.NIU, S.ZHANG, Shandong University, Department of Chemistry, Jinan, Shandong, 250100, P.R.China

The study of lead film electrodes on copper and aluminum substrates in course of electrochemical cycling in sulphuric acid solutions
L.YOLSHINA, V.KUDYAKOV, V.ZYRYANOV, Institute of High-Temperature Electrochemistry, Ekaterinburg, 620219, Russia

Electrochemical behavior of lead in different concentrations of sulfuric acid
A.CZERWINSKI, M.ZELAZOWSKA, M.GRDEN, K.KUC, The University of Warsaw, Dept. of Chemistry, Pasteura 1, 02--093 Warsaw, Poland
J.D.MILEWSKI, A.NOWACKI, G.WOJCIK, M.KOPCZYK, Central Laboratory of Cells and Batteries, Forteczna 12/14, 61-362 Poznan, Poland

Dissolution and precipitation reactions of lead sulfate in positive and negative electrode of practical lead-acid battery
Z.TAKEHARA, Department of Chemical Engineering, Faculty of Engineering, Kansai University, Osaka,Japan

An electrochemical study of the corrosion of Pb-Sb alloys in sulfuric acid solutions
T.HIRASAWA, K.SASAKI, Saitama Research Lab., Shin-Kobe Electric Machinery Co., Ltd., Saitama, Japan
M.TAGUCHI, H.KANEKO, Dept. of Materials Science and Engineering, Akita University, Akita, Japan

Properties of grid lead alloys for maintenance-free batteries
C.D.MATEESCU, National Institute of Materials Physics, Magurele, P.O.Box MG-7, Bucharest, Romania
G.A.MATEESCU, Acumulatorul S.A., 98 Biruintei Blvd., Bucharest, Romania

Electrical field strength dependence on the ratio of the electro-optical effect over the electro-optical effect at saturation of the lead dioxide particles suspension in an acidulous solution
N.SAIDI, H.SAIDI, B.SAIDANI, Chemistry Processing Institute, University of Bejaia, 06000 Bejaia, Algeria
S.STOYLOV, Institute of Physical Chemistry, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria

A conductivity study of the lead dioxide particles in the acid solution of H2SO4 with the presence of Sb, Sn, As
N.SAIDI, B.SAIDANI, Chemistry Processing Institute University of Bejaia, 06000 Bejaia, Algeria
S.STOYLOV, Institute of Physical Chemistry, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria

On the activity of chemical and electrochemical ßPbO2
Z.NOUIS, N.CHELALI, L.ZERROUAL, R.FITAS, Institute of Industrial Chemistry, The University of Setif, 19000 Algeria

TECHNOLOGY

New technology of battery lead powder production
L.KHEGAI, JV Elvar, Minsk, Byelarussia
A.RUSIN, JSC Electrotiaga, St. Petersburg, Russia

Improving the performance of a high power, lead-acid battery with paste additives
D.EDWARDS, T.C.DAYTON, Mechanical Engineering Dept., University of Idaho, Moscow, Idaho, USA

Effect of electrochemically oxidized carbon colloid on lead -acid batteries
T.KIMURA, Dept.of Molecular Design and Engineering, Nagoya University, Nagoya, Japan 464-8603
A.ISHIGURO, Y.ANDOU,K.FUJITA, Tohmitsu Research Laboratory, 3-13 Norikosi-cho, Nakagawa-ku, Nagoya, Japan 454-0813

Influence of the method of 4PbO.PbSO4 preparation on the performance of lead-acid batteries
D.PAVLOV, S.RUEVSKI, Central Laboratory of Electrochemical Power Sources, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
P.EIRICH, A.BURSCHKA, Maschinenfabrik Gustav Eirich, D-74732 Hardheim, Germany

Investigation on soaking and formation of lead-acid battery plates with different mass structure
I.DREIR, P.SCHARF, R.WAGNER, EXIDE German Group R&D Centre, Accumulatorenfabrik Sonnenschein, D-63652 Budingen, Germany
F.SAEZ, S.E.A. TUDOR S.A., Exide Europe, R&D Laboratory, Azuqueca de Menares, Spain

A practical method to follow microstructure evolution during formation processes
C.D'ALKAINE, Battery Lab., GEP, DQ-UFSCar. C.P.676, 13565-905 Sao Carlos, SP, Brazil
J. de ANTRADE, P.R.IMPINNISI, Battery Lab., MRG, LAC, COPEL, 81531-970 Curitiba, PR, Brazil

Optimization of pulsed formation parameters of positive plates
F.DINIZ, L.BORGES, Universidade Federal de Pernambuco, DQF/UFPE, Cidade Universitaria, 50670-901 Recife, PE, Brazil

Dynamics of composition of positive plates during the preformation period
F.DINIZ, L.BORGES, Laboratorio de Eletroquimica, Dept. de Quimica Fundamental CCEN-UFPE, Cidade Universitaria, 50670-901 Recife, PE, Brazil

The porosity of the lead-acid battery active masses
G.A.MATEESCU, C.CERNEA, Acumulatorul S.A., 98, Biruintei Blvd., Bucharest, Romania
C.D.MATEESCU, V.S.TEODORESCU, National Institute of Materials Physics, Bucharest, Romania

The low cost cast on strap machine for small and medium size battery manufacturers
G.VLAHOVIC, Iberian Battery Consultants Corporation, 770 Tenth Avenue, Grafton, WI 53024, USA

Automatic production of VRLA cells
A.SCHWETZ, BM-Battery Machines Maschinenbau, GmbH, Sebersdorf 167, A-8272 Sebersdorf, Austria

Production of lead-calcium alloy for accumulators
L.KHEGAI, JV Elvar, Minsk, Byelarussia
A.RUSIN, JSC Electrotiaga, St. Petersburg, Russia
V.LATA, Kazakhstan Academy of Sciences, Alma-Aty, Kasakhstan

Some methods of desulphatization of lead-acid batteries
P.RAKIN, O.UPI, Z.RAKIN, Chemical Power Sources Institute, Batajnicki put 23, 11080 Belgrade, Serbia
A.RUSIN, JSC Elektrotjaga, Kalinina 50a, 198095 Sankt Petersburg, Russia

Investigation of the accumulator pastes with potassium carbonate
V.YANAKIEVA, G.HARALAMPIEV, N.LYAKOV, University of Chemical Technology and Metallurgy, 1756 Sofia, Bulgaria

Processing of wastes from production of lead accumulators
V.LATA, Kazakhstan Academy of Sciences, Alma-Aty, Kazakhstan
A.RUSIN, JSC Elektrotjaga, St. Petersburg, Russia
L.KHEGAI, JV Elvar, Minsk, Byelarussia

BATTERY OPERATION and BATTERY TESTING

Influence of grid design on current distribution over the electrode surface in a lead-acid battery
M.CALABEK, Institute of Electrotechnology, 66209 Brno, Czech Republic
K.MICKA, J.Heyrovsky Institute of Physical Chemistry, 18223 Prague 8, Czech Republic

Acid stratification and vertical current distribution: An experimental and theoretical explanation of a major ageing effect of lead-acid batteries in PV systems
F.MATTERA, D.DEMESTTRE, GENEC - Centre de Caderache, 13108 Saint-Paul-Lez-Durance, France
D.U.SAUER, M.ROSA, Fraunhofer Institute for Solar Energy Systems ISE, 79100 Freiburg, Germany

A method for measurement and interpretation of impedance spectra for industrial batteries
E.KARDEN, S.BULLER, R.W.De DONCKER, Aahen University of Technology (RWTH), Institute for Power Electronics and Electrical Drives (ISEA), D-52066 Aachen, Germany

Polycomponent dynamic stands for testing chemical sources of current
V.VLASENKOV, Technical University, Komsomolsk-na-Amure, Russia
L.KHEGAI, JV Elvar, Minsk, Byelarussia

Laboratory system for active control, data collection and analysis of three-electrode electrochemical cells
K.BELOV, Central Laboratory of Mechatronics and Instrumentation, Bulg.Acad.Sci, Sofia, Bulgaria
M.MLADENOV, AKUTECH Ltd., Sofia, Bulgaria
B.BANOV, A.MOMCHILOV, Central Laboratory of Electrochemical Power Sources, Bulg.Acad.Sci, Sofia, Bulgaria

Diagnostic system for quality control in polyethylene separators production
M.MLADENOV, AKUTECH Ltd., Sofia, Bulgaria K.BELOV, Central Laboratory of Mechatronics and Instrumentation, Bulg.Acad.Sci, Sofia, Bulgaria
L.JETSCHEV, NEO L&J, Bulgaria
B.TRENDAFILOV, Bulgaria Investment Holding, Bulgaria


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