JP2009070726A5 - - Google Patents

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Publication number
JP2009070726A5
JP2009070726A5 JP2007239224A JP2007239224A JP2009070726A5 JP 2009070726 A5 JP2009070726 A5 JP 2009070726A5 JP 2007239224 A JP2007239224 A JP 2007239224A JP 2007239224 A JP2007239224 A JP 2007239224A JP 2009070726 A5 JP2009070726 A5 JP 2009070726A5
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JP
Japan
Prior art keywords
producing
electrolyte battery
separator
nonaqueous electrolyte
core
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Pending
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JP2007239224A
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Japanese (ja)
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JP2009070726A (en
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Priority to JP2007239224A priority Critical patent/JP2009070726A/en
Priority claimed from JP2007239224A external-priority patent/JP2009070726A/en
Publication of JP2009070726A publication Critical patent/JP2009070726A/en
Publication of JP2009070726A5 publication Critical patent/JP2009070726A5/ja
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Claims (10)

正極、セパレータ、負極および電解質を具備した非水電解質電池の製造方法であって、
該セパレータの少なくとも一方の表面がアラミド樹脂を含む耐熱性多孔質層である場合において、
該正極、セパレータおよび負極を巻芯により捲回して電池素子を作製する工程にて、摩擦係数０．５以下である表面部を有した巻芯を用い、
捲回後に前記巻芯を電池素子から抜き取ることを特徴とする非水電解質電池の製造方法。 A method for producing a non-aqueous electrolyte battery comprising a positive electrode, a separator, a negative electrode and an electrolyte,
When at least one surface of the separator is a heat-resistant porous layer containing an aramid resin,
Positive electrode, at the step of producing a wound turn the battery element by winding core separator and the negative electrode, using a core having a surface portion is less than friction coefficient 0.5,
A method for producing a nonaqueous electrolyte battery, wherein the winding core is removed from the battery element after winding . 該巻芯の表面部は、ビッカース硬度が２０００ＨＶ以上であることを特徴とする請求項１に記載の非水電解質電池の製造方法。  The method for producing a nonaqueous electrolyte battery according to claim 1, wherein the surface portion of the core has a Vickers hardness of 2000 HV or more. 該巻芯の表面部は下地材に表面処理を施して形成したものであることを特徴とする請求項１または２に記載の非水電解質電池の製造方法。  The method for producing a nonaqueous electrolyte battery according to claim 1 or 2, wherein the surface portion of the core is formed by subjecting a base material to a surface treatment. 該表面部がセラミック薄膜層であることを特徴とする請求項１〜３のいずれかに記載の非水電解質電池の製造方法。  The method for producing a nonaqueous electrolyte battery according to claim 1, wherein the surface portion is a ceramic thin film layer. 該セラミック薄膜層がＣｒＳｉＮ薄膜層またはＴｉＣＮ薄膜層であることを特徴とする請求項４に記載の非水電解質電池の製造方法。  The method for producing a nonaqueous electrolyte battery according to claim 4, wherein the ceramic thin film layer is a CrSiN thin film layer or a TiCN thin film layer. 該表面部がダイヤモンドライクカーボン薄膜層であることを特徴とする請求項１〜３のいずれかに記載の非水電解質電池の製造方法。  The method for producing a nonaqueous electrolyte battery according to claim 1, wherein the surface portion is a diamond-like carbon thin film layer. 該耐熱性多孔質層に無機フィラーが含有されていることを特徴とする請求項１〜６のいずれかに記載の非水電解質電池の製造方法。  The method for producing a nonaqueous electrolyte battery according to any one of claims 1 to 6, wherein the heat-resistant porous layer contains an inorganic filler. 該セパレータが該耐熱性多孔質層とポリオレフィン微多孔膜を少なくとも１層ずつ含み、該セパレータの少なくとも一方の表面に該耐熱性多孔質層が配置されていることを特徴とする請求項１〜７のいずれかに記載の非水電解質電池の製造方法。  The separator includes at least one heat-resistant porous layer and a polyolefin microporous membrane, and the heat-resistant porous layer is disposed on at least one surface of the separator. The manufacturing method of the nonaqueous electrolyte battery in any one of. 該セパレータが、ポリオレフィン微多孔膜の表裏両面のそれぞれに耐熱性多孔質層が配置された３層構造となっていることを特徴とする請求項８に記載の非水電解質電池の製造方法。  9. The method for producing a non-aqueous electrolyte battery according to claim 8, wherein the separator has a three-layer structure in which a heat-resistant porous layer is disposed on each of the front and back surfaces of a polyolefin microporous membrane. 正極、セパレータ、負極および電解質を具備した非水電解質電池の製造に用いる巻芯であって、  A core used for manufacturing a non-aqueous electrolyte battery comprising a positive electrode, a separator, a negative electrode and an electrolyte,
当該巻芯は、正極、少なくとも一方の表面にアラミド樹脂を含む耐熱性多孔質層を有したセパレータ、および負極を捲回して電池素子を製造する工程において用いられ、  The winding core is used in a step of manufacturing a battery element by winding a positive electrode, a separator having a heat-resistant porous layer containing an aramid resin on at least one surface, and a negative electrode,
摩擦係数０．５以下である表面部を有しており、  It has a surface part that has a friction coefficient of 0.5 or less,
捲回後に前記電池素子から抜き取られることを特徴とする巻芯。  A winding core which is removed from the battery element after winding.
JP2007239224A 2007-09-14 2007-09-14 Method for manufacturing nonaqueous electrolyte battery Pending JP2009070726A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007239224A JP2009070726A (en) 2007-09-14 2007-09-14 Method for manufacturing nonaqueous electrolyte battery

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Application Number Priority Date Filing Date Title
JP2007239224A JP2009070726A (en) 2007-09-14 2007-09-14 Method for manufacturing nonaqueous electrolyte battery

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JP2009070726A JP2009070726A (en) 2009-04-02
JP2009070726A5 true JP2009070726A5 (en) 2010-03-11

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Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010244875A (en) * 2009-04-07 2010-10-28 Panasonic Corp Separator for lithium secondary battery, and lithium secondary battery using it
JP4806053B2 (en) * 2009-05-13 2011-11-02 シャープ株式会社 Non-aqueous electrolyte secondary battery
JP2010282789A (en) * 2009-06-03 2010-12-16 Sharp Corp Nonaqueous electrolyte secondary battery
JP5481330B2 (en) * 2009-09-11 2014-04-23 帝人株式会社 Non-aqueous electrolyte battery manufacturing method, core used for manufacturing non-aqueous electrolyte battery
JP5234817B2 (en) * 2009-09-17 2013-07-10 日立マクセル株式会社 Battery separator and lithium secondary battery
JP5234662B2 (en) * 2009-09-17 2013-07-10 日立マクセル株式会社 Battery separator and lithium secondary battery
JP5502707B2 (en) 2009-11-20 2014-05-28 三菱樹脂株式会社 Multilayer porous film, battery separator and battery
JP5697328B2 (en) * 2009-11-24 2015-04-08 三菱樹脂株式会社 Multilayer porous film, battery separator, and battery
JP5714441B2 (en) * 2010-08-06 2015-05-07 住友化学株式会社 Separator
JP6014743B1 (en) 2015-11-30 2016-10-25 住友化学株式会社 Nonaqueous electrolyte secondary battery separator and use thereof
KR101895159B1 (en) * 2016-06-30 2018-09-04 스미또모 가가꾸 가부시키가이샤 Separator winding core, separator roll, and method of producing separator roll

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3296615B2 (en) * 1993-02-26 2002-07-02 三洋電機株式会社 Core for cylindrical battery
JP3175730B2 (en) * 1998-04-27 2001-06-11 住友化学工業株式会社 Non-aqueous electrolyte battery separator and lithium secondary battery
JP3248898B2 (en) * 1999-03-19 2002-01-21 日立ツール株式会社 Hard coating tool
JP4487457B2 (en) * 2000-08-30 2010-06-23 住友化学株式会社 Nonaqueous electrolyte secondary battery separator and nonaqueous electrolyte secondary battery
JP2003017110A (en) * 2001-07-03 2003-01-17 Matsushita Electric Ind Co Ltd Manufacturing method of cell
JP4617625B2 (en) * 2001-08-31 2011-01-26 宇部興産株式会社 Winding core
JP2005285385A (en) * 2004-03-29 2005-10-13 Sanyo Electric Co Ltd Separator and nonaqueous electrolyte battery using the separator

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