LEAD-ACID BATTERY CURRENT COLLECTOR, LEAD-ACID BATTERY, AND MANUFACTURING METHOD OF LEAD-ACID BATTERY CURRENT COLLECTOR

A current collector (214) for a lead-acid battery includes a frame-shaped frame bone portion (310) and a grid portion that is formed inside the frame bone portion (310) and has an inner bone. A peripheral surface of at least a part of the inner bone in the grid portion includes a first peripheral po...

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Bibliographic Details
Main Author HAZE, Akinori
Format Patent
LanguageEnglish
French
German
Published 13.07.2022
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:A current collector (214) for a lead-acid battery includes a frame-shaped frame bone portion (310) and a grid portion that is formed inside the frame bone portion (310) and has an inner bone. A peripheral surface of at least a part of the inner bone in the grid portion includes a first peripheral portion (431) on which a fibrous structure is exposed and a second peripheral portion (432) on which a granular structure is exposed. At least a part of the inner bones is configured in a manner that the length of the first peripheral portion is longer than the length of the second peripheral portion on a predetermined cross section substantially perpendicular to the extension direction of the inner bone.
Bibliography:Application Number: EP20190873226