CYLINDRICAL SECONDARY BATTERY

PROBLEM TO BE SOLVED: To improve the reliability of bonding force between a battery can and a connection member with the elimination of a position deviation produced when boding between a collector member to be bonded to an electrode and the connection member to be bonded to the battery can.SOLUTION...

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Bibliographic Details
Main Authors OGUCHI YUTO, ISONO EIICHI, TOIZONO TAKESHI
Format Patent
LanguageEnglish
Published 17.01.2013
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:PROBLEM TO BE SOLVED: To improve the reliability of bonding force between a battery can and a connection member with the elimination of a position deviation produced when boding between a collector member to be bonded to an electrode and the connection member to be bonded to the battery can.SOLUTION: A circular-shaped opening 21 through which a shaft core 15 is inserted is formed at the center of a negative electrode collector member 20, and a flange 22 is formed on the peripheral edge of the opening 21. When the inner peripheral surface of the outer peripheral side wall 31 of a negative electrode connection member 30 is fit to the outer peripheral surface of the flange 22 of the negative electrode collector member 20, the negative electrode connection member 30 becomes unable to two-dimensionally move relative to the negative electrode collector member 20. By this, the negative electrode connection member 30 is appropriately positioned relative to the negative electrode collector member 20, and as a result, also appropriately positioned relative to the can bottom of the battery can.
Bibliography:Application Number: JP20110143095