公开(公告)号：KR20150067110A

公开(公告)日：2015-06-17

申请号：KR20150077114

申请日：2015-06-01

Applicant: SONY CORP

Inventor： OBANA YOSHIAKI ,  KAJITA ATSUSHI ,  TESHIMA YUKAKO ,  OGAWA KENICHI ,  TSUJIMOTO HISASHI

IPC: H01M2/16 ,  H01M4/13 ,  H01M4/36 ,  H01M4/525 ,  H01M10/05 ,  H01M10/052

CPC classification number: H01M4/0404 ,  H01M2/166 ,  Y02E60/122

Abstract: 내열절연층부착세퍼레이터는, 폴리올레핀층과, 이폴리올레핀층의편면또는양면에형성되고내열성수지및 내산화성세라믹입자를함유하는내열절연층을포함한다. 상기내열절연층은, 상기내산화성세라믹입자를 60 내지 90%의비율로함유하는것을특징으로하는내열절연층부착세퍼레이터.

Abstract translation: 包括耐热绝缘层的隔板包括聚烯烃层和形成在聚烯烃层的一侧或两侧上的耐热绝缘层，并且包括耐热树脂和抗氧化陶瓷颗粒。 耐热绝缘层包括比例为60〜90％的抗氧化陶瓷粒子。

公开(公告)号：JP2013051204A

公开(公告)日：2013-03-14

申请号：JP2012227583

申请日：2012-10-15

Applicant: Sony Corp ,  ソニー株式会社

Inventor： KAJITA ATSUSHI ,  SUZUKI HIROYUKI ,  AKASHI HIROYUKI ,  OGAWA KENICHI

IPC: H01M2/16 ,  B32B27/00 ,  H01M10/05

CPC classification number: Y02E60/12

Abstract: PROBLEM TO BE SOLVED: To provide a separator which can prevent deterioration of battery properties, and a nonaqueous electrolytic battery.SOLUTION: A separator 4 comprises a structure where a resin layer 4a is provided on a principal surface of a base material layer 4b. The resin layer 4a is a matrix resin layer which is supported by inorganic material and is rich in porosity. The matrix resin comprises the resin layer 4a which is supported by the inorganic material, thereby, oxidation resistance is acquired to prevent deterioration of the separator 4.

Abstract translation: 要解决的问题：提供一种能够防止电池性能劣化的隔膜和非水电解电池。 解决方案：隔板4包括在基材层4b的主表面上设置树脂层4a的结构。 树脂层4a是由无机材料负载且孔隙率丰富的基体树脂层。 基体树脂包括被无机材料负载的树脂层4a，从而获得耐氧化性以防止隔板4的劣化。版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2010192200A

公开(公告)日：2010-09-02

申请号：JP2009033959

申请日：2009-02-17

Applicant: Sony Corp ,  ソニー株式会社

Inventor： OYAMA YUUDAI ,  KAJITA ATSUSHI ,  NISHIMOTO ATSUSHI

IPC: H01M10/052 ,  C01G53/00 ,  H01M2/02 ,  H01M2/16 ,  H01M4/1315 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0565

CPC classification number: H01M10/052 ,  H01M2/1653 ,  H01M2/166 ,  H01M2/1673 ,  H01M4/485 ,  H01M4/58 ,  H01M4/582

Abstract: PROBLEM TO BE SOLVED: To enhance cycle characteristics and suppress decrease in safety of the battery in a nonaqueous electrolyte secondary battery using lithium composite oxide containing a large amount of nickel components. SOLUTION: The nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, a nonaqueous electrolyte, and a separator. The positive electrode is a lithium composite oxide containing more nickel component than a cobalt component. The separator includes a substrate layer and a polymer resin layer formed on at least one primary surface of the substrate layer. The polymer resin layer contains at least one of polyvinylidene fluoride, polyvinyl formal, polyacrylic ester, and methyl methacrylate. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 解决的问题：使用含有大量镍成分的锂复合氧化物，提高非水电解质二次电池的循环特性，抑制电池的安全性降低。 非水电解质二次电池包括正极，负极，非水电解质和隔膜。 正极是含有比钴成分更多的镍成分的锂复合氧化物。 分离器包括基材层和形成在基材层的至少一个主表面上的聚合物树脂层。 聚合物树脂层含有聚偏氟乙烯，聚乙烯醇缩甲醛，聚丙烯酸酯和甲基丙烯酸甲酯中的至少一种。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2014112553A

公开(公告)日：2014-06-19

申请号：JP2014022512

申请日：2014-02-07

Applicant: Sony Corp ,  ソニー株式会社

Inventor： KAJITA ATSUSHI ,  SUZUKI HIROYUKI ,  AKASHI HIROYUKI ,  OGAWA KENICHI

IPC: H01M2/16 ,  H01M4/13 ,  H01M10/052

CPC classification number: Y02E60/122

Abstract: PROBLEM TO BE SOLVED: To provide a separator capable of minimizing deterioration of the battery characteristics, and to provide a battery.SOLUTION: A separator includes a resin layer, containing an inorganic substance, provided on one principal surface of a base material layer. The separator has an air permeability in a range of 30-680 sec/100 cc, and a thrust strength in a range of 100-480 gf.

Abstract translation: 要解决的问题：提供一种能够最小化电池特性的劣化并提供电池的隔板。解决方案：隔板包括设置在基材层的一个主表面上的含有无机物质的树脂层。 隔膜的透气度为30〜680秒/ 100cc，推力为100-480gf。

公开(公告)号：JP2013054973A

公开(公告)日：2013-03-21

申请号：JP2011193397

申请日：2011-09-05

Applicant: Sony Corp ,  ソニー株式会社

Inventor： HATTA KAZUTO ,  KAJITA ATSUSHI ,  FUJIMOTO YUKAKO ,  AOKI MANABU ,  HAYASHI MASAYASU

IPC: H01M2/16 ,  H01M2/10 ,  H01M10/052 ,  H01M10/0565 ,  H01M10/058 ,  H01M10/44

CPC classification number: Y02E60/122 ,  Y02T10/7011

Abstract: PROBLEM TO BE SOLVED: To suppress a thermal decomposition reaction at a positive electrode, the thermal decomposition reaction being caused by large heat generation at a negative electrode in short circuit discharge or the like, and maintain insulation property between the positive electrode and the negative electrode even if a separator is melted.SOLUTION: In a nonaqueous electrolyte battery, a thermal absorption layer is arranged between a positive electrode and a negative electrode. The thermal absorption layer may be present between the positive electrode and the negative electrode, and is formed on one side of a separator or at least one surface of the positive electrode and the negative electrode. The thermal absorption layer is a layer containing an inorganic particle and a resin material, having a thermal capacity per unit area of 0.0002 J/Kcmor more and a thermal capacity per unit volume of 1.5 J/Kcmor less, and having a porous structure. By the thermal absorption layer present between the positive electrode and the negative electrode, heat generated at the negative electrode is absorbed, heat transfer from the negative electrode to the positive electrode is suppressed, and insulation between the positive electrode and the negative electrode is maintained.

Abstract translation: 要解决的问题为了抑制正极的热分解反应，热分解反应是由于在短路放电等中的负极处的大的发热而引起的，并且保持正极和 负极即使分离器熔化也是如此。 解决方案：在非水电解质电池中，在正极和负极之间布置有热吸收层。 热吸收层可以存在于正极和负极之间，并且形成在隔板的一侧或正极和负极的至少一个表面上。 热吸收层是含有无机粒子和树脂材料的层，每单位面积的热容量为0.0002J / Kcm以上，每单位体积的热容量 为1.5J / Kcm以下，具有多孔结构。 通过存在于正极和负极之间的热吸收层，吸收在负极处产生的热量，可以抑制从负极向正极的热传递，保持正极与负极之间的绝缘。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2011165660A

公开(公告)日：2011-08-25

申请号：JP2011005265

申请日：2011-01-13

Applicant: Sony Corp ,  ソニー株式会社

Inventor： TEJIMA YUKAKO ,  KAJITA ATSUSHI ,  YAMAMOTO KENSUKE ,  HAYASHI MASAYASU

IPC: H01M2/16

CPC classification number: H01M2/166 ,  H01M2/1686 ,  H01M4/1395 ,  H01M4/581 ,  H01M4/625 ,  H01M10/05

Abstract: PROBLEM TO BE SOLVED: To obtain a separator which is superior in impregnation characteristics and liquid retainability of an electrolytic solution, and does not inhibit ion conductivity. SOLUTION: The separator is composed of a functional resin layer which contains a resin material and an inorganic oxide filler, and has a porous interconnecting structure of interconnecting numerous holes, and in which a contact angle between the electrolytic solution is 11° or less. The center particle diameter of the inorganic oxide filler is preferably 50% or less of the thickness of the functional resin layer. When the center particle diameter of the inorganic oxide filler is 0.2 μm or more and 5.0 μm or less, specific surface area is 2.0 m 2 /g or more, and moreover, when the center particle diameter of the inorganic oxide filler is denoted by X [μm], the specific surface area is denoted by Y [m 2 /g], a multiplied value of X and Y is preferably within a range of 1≤X×Y≤18. Moreover, the functional resin layer preferably contains at least a heat-resistant resin, and more preferably at least a fluororesin. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：获得电解液的浸渍特性和液体保持性优异且不抑制离子传导性的隔膜。 解决方案：隔膜由包含树脂材料和无机氧化物填料的功能性树脂层组成，并且具有互连多个孔的多孔互连结构，其中电解液的接触角为11°或 减。 无机氧化物填料的中心粒径优选为功能性树脂层的厚度的50％以下。 当无机氧化物填料的中心粒径为0.2μm以上至5.0μm以下时，比表面积为2.0m 2 / SP / g以上，此外，当 无机氧化物填料由X [μm]表示，比表面积由Y [m 2 / g]表示，X和Y的相乘值优选在1≤X× Y≤18。 此外，功能性树脂层优选至少含有耐热性树脂，更优选至少含有氟树脂。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2009212086A

公开(公告)日：2009-09-17

申请号：JP2009026789

申请日：2009-02-06

Applicant: Sony Corp ,  ソニー株式会社

Inventor： TEJIMA YUKAKO ,  KAJITA ATSUSHI ,  IMOTO HIROSHI

IPC: H01M2/16

CPC classification number: H01M2/1653 ,  H01M2/1686 ,  H01M2/18 ,  H01M10/0525

Abstract: PROBLEM TO BE SOLVED: To provide a separator capable of obtaining sufficient impregnating ability of electrolyte solution, without disturbing ion conductivity, and capable of improving separator performance or battery characteristics, and to provide a battery using the same. SOLUTION: A base material layer 4a is made of a microporous membrane of a polyolefin resin. A functional resin layer 4b is made of a resin different from the polyolefin resin and has a porous interconnected structure in which a number of holes are mutually interconnected. The functional resin layer 4b includes a diameter of a narrowest part of through-holes of the functional resin layer 4b larger than that of through-holes of the base material layer 4a. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供一种能够获得足够的电解质溶液浸渍能力而不影响离子传导性并能提高分离器性能或电池特性的隔膜，并提供使用该隔板的电池。 解决方案：基材层4a由聚烯烃树脂的微孔膜制成。 功能性树脂层4b由与聚烯烃树脂不同的树脂制成，并且具有多个互连结构，其中多个孔相互连接。 功能性树脂层4b包括功能性树脂层4b的通孔的最小部分的直径大于基材层4a的通孔的直径。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2009070609A

公开(公告)日：2009-04-02

申请号：JP2007235392

申请日：2007-09-11

Applicant: Sony Corp ,  ソニー株式会社

Inventor： KAJITA ATSUSHI ,  TEJIMA YUKAKO ,  IMOTO HIROSHI ,  TANAKA TAKEHIKO ,  HORIUCHI HIROSHI

IPC: H01M2/16 ,  H01M10/05 ,  H01M10/052 ,  H01M10/0566

CPC classification number: Y02E60/122

Abstract: PROBLEM TO BE SOLVED: To provide a separator superior in impregnating capability of an electrolyte and endowed with a function of a resin without damaging ion conductivity, and a battery using the same separator.
SOLUTION: The separator 4 comprises at least a first resin layer 4a including polyolefin resin with fine porosity, and a second resin layer 4b including resin with a structure wherein a frame with a diameter of 1 μm or below is connected in three-dimensional meshes of a net.
COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供一种优异的电解质浸渍能力并具有树脂功能而不损害离子传导性的隔膜，以及使用相同隔膜的电池。 解决方案：分离器4至少包括具有细孔率的聚烯烃树脂的第一树脂层4a和具有其中具有1μm或更小的直径的框架以三维连接的结构的第二树脂层4b， 网的三维网格。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2007157459A

公开(公告)日：2007-06-21

申请号：JP2005350011

申请日：2005-12-02

Applicant: Sony Corp ,  ソニー株式会社

Inventor： AKASHI HIROYUKI ,  OGAWA KENICHI ,  OBANA YOSHIAKI ,  HARA TOMITARO ,  KAJITA ATSUSHI

IPC: H01M4/02 ,  H01M2/16 ,  H01M4/38 ,  H01M4/40 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M10/05 ,  H01M10/052 ,  H01M10/058

CPC classification number: Y02E60/122

Abstract: PROBLEM TO BE SOLVED: To realize high energy density and excellent discharge characteristics of a nonaqueous electrolyte solution battery with a maximum charging voltage of 4.25 V or more and 6.9 V or less, through restraint of damage of a material of a separator as well as of degradation of floating characteristics.
SOLUTION: A wound-around electrode body 20 having a cathode 2 and an anode 3 of a strip shape wound through a separator is provided inside a battery can 1. A fluororesin layer 2c is provided at an interface between the cathode 2 and the separator 4. The fluororesin resin layer 2c is there for lowering chemical reaction between the cathode 2 and the separator 4.
COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：为了通过限制隔板材料的损坏来实现最大充电电压为4.25V以上且6.9V以下的非水电解液电池的高能量密度和优异的放电特性， 以及浮动特性的退化。 解决方案：在电池壳1的内侧，设置具有通过隔板卷绕的带状的阴极2和阳极3的卷绕电极体20.氟树脂层2c设置在阴极2和 分离器4.氟树脂层2c用于降低阴极2和隔板4之间的化学反应。版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2014222669A

公开(公告)日：2014-11-27

申请号：JP2014155151

申请日：2014-07-30

Applicant: ソニー株式会社 ,  Sony Corp

Inventor： KAJITA ATSUSHI ,  TEJIMA YUKAKO ,  CHIBA KAZUKI ,  ENDO TAKUYA

IPC: H01M2/16 ,  H01M4/48 ,  H01M4/58 ,  H01M10/052

CPC classification number: Y02E60/122

Abstract: 【課題】コンタミやデンドライドによりセパレータが破断するような現象が起きた場合にも、発熱の発生を抑制することができるセパレータを提供する。【解決手段】セパレータは、第1の主面および第2の主面を有する第1の層と、第1の主面および第2の主面の少なくとも一方に形成された第2の層とを備える。第1の層が、高分子樹脂を含む微多孔膜である。第2の層が、電気的な絶縁性を有する粒子と、平均直径1μm以下のフィブリルとを含む微多孔膜であり、フィブリルが、相互に繋がった3次元的なネットワーク構造を有する。【選択図】図3

Abstract translation: 要解决的问题：即使在发生这种现象的情况下也能够抑制发热的隔膜，隔膜被污染物或树枝状晶体破坏。解决方案：隔板包括：具有第一主表面和第二主表面的第一层 主面 以及形成在第一主表面或第二主表面中的至少一个上的第二层。 第一层是含有聚合物树脂的微孔膜。 第二层是含有电绝缘性的微粒的微孔膜，平均粒径为1μm以下的原纤维。 原纤维具有相互连接的三维网络结构。