TAB FORMING DEVICE FOR JELLY-ROLL TYPE ELECTRODE ASSEMBLY, AND FORMING METHOD USING SAME

A forming device and a forming method thereof bends an electrode tab portion that is exposed to the end portion of a jelly roll-type electrode assembly in the axial direction thereof, in a radial direction. The forming device may include a forming jig bending the electrode tab, and a flattening jig...

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Hauptverfasser: LIM, Jae Won, CHOI, Kyuhyun, LEE, Soono, LEE, Je Jun, KONG, Jinhak
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Sprache:eng ; fre ; ger
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creator LIM, Jae Won
CHOI, Kyuhyun
LEE, Soono
LEE, Je Jun
KONG, Jinhak
description A forming device and a forming method thereof bends an electrode tab portion that is exposed to the end portion of a jelly roll-type electrode assembly in the axial direction thereof, in a radial direction. The forming device may include a forming jig bending the electrode tab, and a flattening jig flattening the bent electrode tab further. The forming jig comprises a pre-forming perimeter surface and a bend inducing surface. The pre-forming perimeter surface has an inner radius that increases from a base end toward a leading end elongated in a pressing direction. The bend inducing surface connects to the base end of the pre-forming perimeter surface, and extends inwards, in the radial direction.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PRESSES
PRESSES IN GENERAL
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
PUNCHING METAL
TRANSPORTING
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
title TAB FORMING DEVICE FOR JELLY-ROLL TYPE ELECTRODE ASSEMBLY, AND FORMING METHOD USING SAME
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