SECONDARY BATTERY AND MANUFACTURING METHOD OF THE SAME

SECONDARY BATTERY AND MANUFACTURING METHOD OF THE SAME

PROBLEM TO BE SOLVED: To provide a secondary battery in which peeling of a mixture layer is suppressed while being downsized.SOLUTION: The secondary battery has: a winding group in which an electrode and a separator are wound; and a current collector plate connected to the electrode. The electrode i...

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Hauptverfasser: MORIKAWA HIROSHI, ISONO EIICHI, YAGI YOSHIN
Format: Patent
Sprache:eng ; jpn
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator MORIKAWA HIROSHI
ISONO EIICHI
YAGI YOSHIN
description PROBLEM TO BE SOLVED: To provide a secondary battery in which peeling of a mixture layer is suppressed while being downsized.SOLUTION: The secondary battery has: a winding group in which an electrode and a separator are wound; and a current collector plate connected to the electrode. The electrode includes: an electrode foil having an uncoated portion exposed from a mixture layer at one end; and a protruding portion protruding from the uncoated portion. The current collector plate is pressed in a winding axis direction of the winding group and pressed against the protruding portion.SELECTED DRAWING: Figure 4 【課題】本発明では、小型化しつつ、合剤層の剥離を抑制した二次電池を提供することを目的とする。【解決手段】二次電池は、電極とセパレータとを捲回した捲回群と、電極と接続される集電板と、を有し、電極は、一端に合剤層から露出した未塗布部を有する電極箔と、未塗布部から突出する突出部とを備え、集電板は捲回群の捲回軸方向に押圧されて前記突出部と圧接されている。【選択図】 図４
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The electrode includes: an electrode foil having an uncoated portion exposed from a mixture layer at one end; and a protruding portion protruding from the uncoated portion. The current collector plate is pressed in a winding axis direction of the winding group and pressed against the protruding portion.SELECTED DRAWING: Figure 4 【課題】本発明では、小型化しつつ、合剤層の剥離を抑制した二次電池を提供することを目的とする。【解決手段】二次電池は、電極とセパレータとを捲回した捲回群と、電極と接続される集電板と、を有し、電極は、一端に合剤層から露出した未塗布部を有する電極箔と、未塗布部から突出する突出部とを備え、集電板は捲回群の捲回軸方向に押圧されて前記突出部と圧接されている。【選択図】 図４</description><language>eng ; jpn</language><subject>BASIC ELECTRIC ELEMENTS ; ELECTRICITY ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><creationdate>2018</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20180405&amp;DB=EPODOC&amp;CC=JP&amp;NR=2018056096A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20180405&amp;DB=EPODOC&amp;CC=JP&amp;NR=2018056096A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MORIKAWA HIROSHI</creatorcontrib><creatorcontrib>ISONO EIICHI</creatorcontrib><creatorcontrib>YAGI YOSHIN</creatorcontrib><title>SECONDARY BATTERY AND MANUFACTURING METHOD OF THE SAME</title><description>PROBLEM TO BE SOLVED: To provide a secondary battery in which peeling of a mixture layer is suppressed while being downsized.SOLUTION: The secondary battery has: a winding group in which an electrode and a separator are wound; and a current collector plate connected to the electrode. 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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title SECONDARY BATTERY AND MANUFACTURING METHOD OF THE SAME
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