JP2018020904A5 - - Google Patents

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Publication number
JP2018020904A5
JP2018020904A5 JP2017093854A JP2017093854A JP2018020904A5 JP 2018020904 A5 JP2018020904 A5 JP 2018020904A5 JP 2017093854 A JP2017093854 A JP 2017093854A JP 2017093854 A JP2017093854 A JP 2017093854A JP 2018020904 A5 JP2018020904 A5 JP 2018020904A5
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Japan
Prior art keywords
separator core
separator
width
axis direction
outer ring
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JP2017093854A
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Japanese (ja)
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JP2018020904A (en
JP6618951B2 (en
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Priority to US15/654,946 priority Critical patent/US10164294B2/en
Priority to CN201710599066.0A priority patent/CN107644967B/en
Publication of JP2018020904A publication Critical patent/JP2018020904A/en
Publication of JP2018020904A5 publication Critical patent/JP2018020904A5/ja
Priority to US16/184,454 priority patent/US10673098B2/en
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Publication of JP6618951B2 publication Critical patent/JP6618951B2/en
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Claims (12)

非水電解液二次電池用セパレータが捲回されるセパレータ巻芯であって、  A separator core around which a separator for a non-aqueous electrolyte secondary battery is wound,
上記セパレータ巻芯の側面は、凹部を有し、  The side surface of the separator core has a recess,
上記セパレータ巻芯は、上記セパレータ巻芯の側面の中心を通る重ね軸方向の幅が同一である、外環と、リブと、内環とを含み、  The separator core includes an outer ring, a rib, and an inner ring that have the same width in the overlapping axial direction passing through the center of the side surface of the separator core.
上記凹部は、上記外環、上記リブ及び上記内環のうち少なくとも一つの側面に複数個設けられ、かつ、上記セパレータ巻芯の２つの側面中、少なくとも一方の側面に設けられており、  A plurality of the recesses are provided on at least one side surface of the outer ring, the rib, and the inner ring, and are provided on at least one side surface of the two side surfaces of the separator core,
上記複数の凹部の各々は、上記複数の凹部の一つを、上記セパレータ巻芯の側面の中心を通る重ね軸を中心として、回転させた場合、平面視において、互いに重ならないことを特徴とするセパレータ巻芯。  Each of the plurality of recesses does not overlap with each other in plan view when one of the plurality of recesses is rotated about an overlapping axis passing through the center of the side surface of the separator core. Separator core. 非水電解液二次電池用セパレータが捲回されるセパレータ巻芯であって、  A separator core around which a separator for a non-aqueous electrolyte secondary battery is wound,
上記セパレータ巻芯の側面は、凹部を有し、  The side surface of the separator core has a recess,
上記凹部は、上記セパレータ巻芯の側面の中心を通る重ね軸に対して、全回転角度において、回転対称であることを特徴とするセパレータ巻芯。  The separator core is characterized in that the recess is rotationally symmetric at all rotation angles with respect to an overlapping axis passing through the center of the side surface of the separator core. 上記セパレータ巻芯は、上記セパレータ巻芯の側面の中心を通る重ね軸方向の幅が同一である、外環と、リブと、内環とを含み、
上記凹部は、上記外環、上記リブ及び上記内環のうち少なくとも一つの側面に形成されていることを特徴とする請求項２に記載のセパレータ巻芯。 The separator core includes an outer ring, a rib, and an inner ring that have the same width in the overlapping axial direction passing through the center of the side surface of the separator core .
The separator core according to claim 2 , wherein the concave portion is formed on at least one side surface of the outer ring, the rib, and the inner ring. 上記凹部は、刻印部を含むことを特徴とする請求項１から３の何れか１項に記載のセパレータ巻芯。 The separator core according to any one of claims 1 to 3, wherein the concave portion includes a marking portion. 非水電解液二次電池用セパレータが捲回されるセパレータ巻芯であって、A separator core around which a separator for a non-aqueous electrolyte secondary battery is wound,
上記セパレータ巻芯の側面は、凹部を有し、  The side surface of the separator core has a recess,
上記セパレータ巻芯は、外環と、リブと、内環とを含み、  The separator core includes an outer ring, a rib, and an inner ring,
上記凹部は、上記外環、上記リブ及び上記内環のうちの一つまたは二つの上記セパレータ巻芯の側面の中心を通る重ね軸方向の幅が、上記外環、上記リブ及び上記内環のうちの残りの上記重ね軸方向の幅より短く形成された部分であることを特徴とするセパレータ巻芯。  The concave portion has a width in the overlapping axis direction passing through the center of the side surface of one or two of the outer ring, the rib, and the inner ring, and the outer ring, the rib, and the inner ring. A separator core characterized by being a portion formed shorter than the remaining width in the overlapping axis direction. 上記凹部は、上記外環の上記重ね軸方向の幅より上記内環の上記重ね軸方向の幅が短く形成された部分であることを特徴とする請求項５に記載のセパレータ巻芯。The separator core according to claim 5, wherein the concave portion is a portion in which a width of the inner ring in the overlap axis direction is shorter than a width of the outer ring in the overlap axis direction. 上記凹部は、上記内環の上記重ね軸方向の幅より上記外環の上記重ね軸方向の幅が短く形成された部分であることを特徴とする請求項５に記載のセパレータ巻芯。 The separator core according to claim 5 , wherein the concave portion is a portion in which a width of the outer ring in the overlapping axis direction is shorter than a width of the inner ring in the overlapping axis direction . 上記リブは、複数個のリブを含み、
上記凹部は、上記複数個のリブの上記重ね軸方向の幅より上記外環の上記重ね軸方向の幅及び上記内環の上記重ね軸方向の幅が短く形成された部分であることを特徴とする請求項５に記載のセパレータ巻芯。 The rib includes a plurality of ribs,
The recess is a portion in which the width of the outer ring in the overlap axis direction and the width of the inner ring in the overlap axis direction are shorter than the width in the overlap axis direction of the plurality of ribs. The separator core according to claim 5 . 上記リブは、複数個のリブを含み、
上記凹部は、上記外環の上記重ね軸方向の幅及び上記内環の上記重ね軸方向の幅より上記複数個のリブの上記重ね軸方向の幅が短く形成された部分であることを特徴とする請求項５に記載のセパレータ巻芯。 The rib includes a plurality of ribs,
The recess is a portion in which the width of the plurality of ribs in the overlap axis direction is shorter than the width of the outer ring in the overlap axis direction and the width of the inner ring in the overlap axis direction. The separator core according to claim 5 . 上記凹部の深さが０．１ｍｍ以上であることを特徴とする請求項１〜３、５〜９の何れか１項に記載のセパレータ巻芯。 The depth of the said recessed part is 0.1 mm or more, The separator core in any one of Claims 1-3, 5-9 characterized by the above-mentioned . 上記凹部が設けられた一側面の全体面積中、上記凹部の面積が占める割合は、３％以上２５％以下であることを特徴とする請求項１〜３、５〜９の何れか１項に記載のセパレータ巻芯。 The ratio of the area of the recess to the entire area of one side surface provided with the recess is 3% or more and 25% or less, according to any one of claims 1 to 3 and 5-9. The separator core as described. 請求項１〜３、５〜９の何れか１項に記載のセパレータ巻芯に、上記非水電解液二次電池用セパレータが捲回されたことを特徴とするセパレータ捲回体。A separator winding body, wherein the separator for a non-aqueous electrolyte secondary battery is wound around the separator core according to claim 1.
JP2017093854A 2016-07-21 2017-05-10 Separator core and separator wound body Active JP6618951B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US15/654,946 US10164294B2 (en) 2016-07-21 2017-07-20 Separator core and separator roll
CN201710599066.0A CN107644967B (en) 2016-07-21 2017-07-20 Spacer winding core and spacer wound body
US16/184,454 US10673098B2 (en) 2016-07-21 2018-11-08 Separator core and separator roll

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016143454 2016-07-21
JP2016143454 2016-07-21

Related Child Applications (1)

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JP2018203086A Division JP2019012708A (en) 2016-07-21 2018-10-29 Separator wound core and separator wound body

Publications (3)

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JP2018020904A JP2018020904A (en) 2018-02-08
JP2018020904A5 true JP2018020904A5 (en) 2018-04-12
JP6618951B2 JP6618951B2 (en) 2019-12-11

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JP2018203086A Pending JP2019012708A (en) 2016-07-21 2018-10-29 Separator wound core and separator wound body

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KR (1) KR101828741B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220078880A (en) 2020-12-04 2022-06-13 주식회사 위드위즈 Polishing apparatus of secondary battery for separator film winding coer
CN117199489A (en) * 2023-09-26 2023-12-08 浙江天弘激光科技有限公司 Battery cell pretreatment integrated equipment of battery module PACK production line

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Publication number Priority date Publication date Assignee Title
JPS5077528U (en) * 1973-11-28 1975-07-05
JPH0237798Y2 (en) * 1984-11-12 1990-10-12
JP3018111B2 (en) * 1991-05-17 2000-03-13 第一化学薬品株式会社 Assay method for monoclonal antibody and asialoglycoprotein receptor
JP4916904B2 (en) 2007-02-08 2012-04-18 宇部興産株式会社 Battery separator packaging
JP3167815U (en) * 2011-02-25 2011-05-19 旭化成イーマテリアルズ株式会社 Core and separator core for lithium ion secondary battery
JP5812772B2 (en) * 2011-09-05 2015-11-17 村角株式会社 Winding core
JP6149266B2 (en) * 2011-12-07 2017-06-21 東レ株式会社 Microporous membrane wound body and method for producing the same

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