LEAD-ACID BATTERIES DEPARTMENT111

Veselin Naydenov, Device for heating lead batteries operated at low temperatures and storage battery with this device

Patent Office of the Republic of Bulgaria: Application Number 11271818 (Application Date10.04.2018) Publication Number 112718 (Publication Date 31.10.2019)

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Maria Matrakova, Plamen Nikolov, Albena Nikolova-Aleksandrova, Electrolyte additives for lead-acid batteries

US Patent Application No.62/896,760 / 06.09.2019

V. Naidenov, Expander for negative electrodes of lead-acid battery cells and batteries

Patent Office of the Republic of Bulgaria, Application Number: 111882 (15.12.2014), Publication Number: 66915 (24.06.2019)

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V. Naidenov, M. Cherneva, Conductive grid for negative and positive plates of lead-acid batteries

Patent Office of the Republic of Bulgaria, № 66754, 08.10.2018 (in Bulgarian)

D. Pavlov, V. Naidenov, S. Vassilev, Y. Milusheva, T. Shibahara, S. Minoura, Negative Electrode for Lead-Acid Battery, Lead-Acid Battery, and Method for Manufacturing a Negative Electrode for Lead-Acid Battery

International application number: PCT/JP2016/003974; International publication numbers: WO 2017/138045 (17.08.2017 Gazette 2017/33), EP 3 384 543 B1 (10.04.2019 Bulletin 2019/15).

Abstract

The invention provides a negative electrode for a lead-acid battery, comprising: a negative electrode collector; and a negative electrode material comprising an aromatic ester compound.

T.J. McNally, M.S. Sanford, B.O. Myrvold, D. Pavlov, T. Rogachev, G. Rapazov, M. Matrakova, Organic expander for lead-acid storage batteries

Patent Nо.: US 6664002 B2; Date of Patent: Dec. 16, 2003

Abstract

An organic expander composition for improving the cycle life and the cold crank ability properties of lead-acid batteries as compared to Standard or oxylignin organic expanders. The organic expander composition is obtained by a blend of oxylignin and kraft lignin.

D. Pavlov, S. Ruevski, V. Naidenov, V. Mircheva, G. Petkova, M. Dimitrov, T. Rogachev, M. Cherneva-Vasileva, Valve-regulated lead-acid cells and batteries and separators used in such cells and batteries.

Patent No.: US 6509118 B1; Date of Patent: Jan. 21 2003

Abstract

A valve-regulated lead-acid cell utilizes an absorptive glass mat Separator having a glass fiber Surface which is modified by treatment with at least one particular polymer, as by treatment with a polymer emulsion to coat at least part of the glass fiber Surface and then Sintering to dry the coating, the polymers including polyolefins, polytetrafluoroethylene, polyvinylchlorides, polyacrylonitriles, polyesters, amphiphilic block and graft copolymers, hydrophilic and amphiphilic nitrogen-containing polymers and polyorgano Silica compounds Such as polysilanes and polysiloxanes.

T. J. McNally, M.S. Sanford, B. O. Myrvold, D. Pavlov, T. Rogachev, G. Rapazov, M. Matrakova, Organic expander for lead-acid storage batteries

Patent Nо: US 6346347 B1; Date of Patent: Feb.12 2002

Abstract

An organic expander composition for improving the cycle life and the cold crank ability properties of lead-acid batteries as compared to standard or oxylignin organic expanders. The organic expander composition is obtained by a blend of oxylignin and kraft lignin.

Patents