JP2574952B

PURPOSE:To restrict shortcircuitting by dendrite at a positive and a negative poles by setting an aperture ratio and a pore diameter of a separator to be less tghan a specified value. CONSTITUTION:Solid lithium and molibdenum trioxide are used for a negative pole and a positive pole respectively, an...

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Bibliographic Details
Main Authors YAMAMOTO KOHEI, HARADA YOSHIRO, HINO YOSHIHISA, KITAKATA MASAKAZU
Format Patent
LanguageEnglish
Published 22.01.1997
Edition6
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:PURPOSE:To restrict shortcircuitting by dendrite at a positive and a negative poles by setting an aperture ratio and a pore diameter of a separator to be less tghan a specified value. CONSTITUTION:Solid lithium and molibdenum trioxide are used for a negative pole and a positive pole respectively, and polypropylene film of a thickness of 25mum is used for a separator. An aperture ratio of the separtor is set at less than 50, and a pore diameter is set at less than 0.3mum. The aperture ratio and the pore diameter are set larger at a center part of the separator than at peripheral parts, and the aperture ratio at the center part is set at less than 60%, with the pore diameter set at less than 0.5mum.
Bibliography:Application Number: JP19910101760