公开(公告)号：US20150325840A1

公开(公告)日：2015-11-12

申请号：US14655377

申请日：2013-12-16

Applicant: NITTO DENKO CORPORATION

Inventor： Atsuko MIZUIKE ,  Masao ABE

IPC: H01M4/137 ,  H01M10/0525 ,  H01M4/60

CPC classification number: H01M4/137 ,  C08G73/0266 ,  C08G2261/51 ,  C08L65/00 ,  C08L79/02 ,  H01B1/128 ,  H01M4/604 ,  H01M4/606 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/027 ,  H01M2004/028 ,  Y02T10/7011 ,  C08L43/02 ,  C08L85/02

Abstract: A novel nonaqueous electrolyte secondary battery having a high weight energy density far exceeding the weight energy density of a conventional secondary battery is provided. A nonaqueous electrolyte secondary battery including an electrolyte layer, a positive electrode and a negative electrode with the electrolyte layer interposed there between. The positive electrode includes (a) an electrically conductive polymer, and (b) a phosphorus-containing polymer. The negative electrode includes a base metal or a material capable of insertion/extraction of a base metal ion.

Abstract translation: 提供了一种具有超过常规二次电池的重量能量密度的高重量能量密度的新型非水电解质二次电池。 一种非水电解质二次电池，包括电解质层，正极和负极，其间插入有电解质层。 正极包括（a）导电聚合物，和（b）含磷聚合物。 负极包括贱金属或能够插入/提取贱金属离子的材料。

公开(公告)号：US20170304775A1

公开(公告)日：2017-10-26

申请号：US15512960

申请日：2015-09-24

Applicant: NITTO DENKO CORPORATION

Inventor： Taisuke YAMAGUCHI ,  Atsuko MIZUIKE ,  Masashi ECHIZEN ,  Kazusa MATSUI

IPC: B01D63/10 ,  B01D69/10

CPC classification number: B01D63/10 ,  B01D63/103 ,  B01D69/10 ,  B01D2313/146 ,  B01D2325/04

Abstract: The present invention provides a spiral membrane element in which the effective membrane area of a composite semi-permeable membrane can be increased and any decrease in rejection rate is less likely to occur. The spiral membrane element includes: a laminate including a permeation-side flow path material, a supply-side flow path material, and a composite semi-permeable membrane having a separation function layer on a surface of a porous support; a perforated central tube around which the laminate is wound; and a sealing member for preventing mixing between the supply-side flow path and a permeation-side flow path, the spiral membrane element being characterized in that the thickness of the porous support of the composite semi-permeable membrane is 80 μm to 100 μm, the permeation-side flow path material is formed from a tricot knit fabric, and the width of a groove that continues in a straight line is 0.05 mm to 0.40 mm.

公开(公告)号：US20170282129A1

公开(公告)日：2017-10-05

申请号：US15514282

申请日：2015-09-28

Applicant: NITTO DENKO CORPORATION

Inventor： Kazusa MATSUI ,  Masashi ECHIZEN ,  Atsuko MIZUIKE ,  Taisuke YAMAGUCHI

IPC: B01D69/12 ,  B01D65/00 ,  B01D71/56 ,  B01D63/10 ,  B01D71/48

CPC classification number: B01D69/125 ,  B01D63/10 ,  B01D65/003 ,  B01D69/02 ,  B01D69/10 ,  B01D69/12 ,  B01D71/48 ,  B01D71/56 ,  B01D2313/04 ,  B01D2325/04 ,  C02F1/44 ,  C08G69/28 ,  C08G69/30 ,  C08G73/0633

Abstract: The purpose of the present invention is to provide: a thin composite semipermeable membrane having a practical salt rejection and permeation flux; a method for producing said membrane; and a spiral wound separation membrane element that has a practical salt rejection and provides excellent water treatment efficiency. The method for producing the composite semipermeable membrane includes a step in while, while feeding out a porous support having a porous polymer layer on one surface of a nonwoven fabric layer from a supply roll, an amine solution containing a multifunctional amine component is brought into contact with the porous support, and an organic solution containing a multifunctional acid halide component is brought into contact with the amine solution on the porous support to cause interfacial polymerization, thus forming a skin layer containing a polyamide resin on the surface of the porous support.

公开(公告)号：US20170274328A1

公开(公告)日：2017-09-28

申请号：US15508620

申请日：2015-08-28

Applicant: NITTO DENKO CORPORATION

Inventor： Atsuko MIZUIKE ,  Masashi ECHIZEN ,  Kazusa MATSUI ,  Taisuke YAMAGUCHI

IPC: B01D69/12 ,  B32B27/12 ,  B32B27/06

CPC classification number: B01D69/125 ,  B01D69/02 ,  B01D69/10 ,  B01D71/56 ,  B01D2325/04 ,  B01D2325/44 ,  B32B27/06 ,  B32B27/12

Abstract: Provided are a composite semipermeable membrane that will maintain a sufficient level of rejection performance even when produced using different thicknesses of a porous support or different production conditions, a separation membrane element having such a composite semipermeable membrane, and a method for producing such a composite semipermeable membrane. The composite semipermeable membrane includes a porous support including a nonwoven fabric layer and a polymer porous layer on one surface of the nonwoven fabric layer; and a separation function layer on the surface of the porous support, wherein the porous support has a defect frequency F1 of 50 or less per 480 m2 with respect to defects having a width of 0.3 mm or more perpendicular to the direction of the polymer porous layer production line, when the relationship between the size and frequency of defects in the porous support is measured with transmitted light.

公开(公告)号：US20150318540A1

公开(公告)日：2015-11-05

申请号：US14653909

申请日：2013-12-24

Applicant: NITTO DENKO CORPORATION

Inventor： Hiroyoshi TAKE ,  Atsuko MIZUIKE ,  Aimi MATSUURA ,  Masao ABE

IPC: H01M4/137 ,  H01M4/60

CPC classification number: H01M4/137 ,  H01M4/136 ,  H01M4/1399 ,  H01M4/5825 ,  H01M4/608 ,  H01M4/624 ,  H01M10/0525 ,  H01M2004/028 ,  Y10T29/49117

Abstract: A nonaqueous electrolyte secondary battery is provided, which includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and negative electrode, and an electrolyte solution containing a supporting salt having ion conductivity, wherein the positive electrode comprises a composition containing components (a) and (b) below and satisfying a requirement (α) below, and wherein the negative electrode contains metal lithium and at least one selected from materials capable of lithium ion insertion/desorption:(a) an electrically conductive polymer; (b) a lithium salt formed by substituting a part of a polyanionic acid with lithium; and (α) a molar ratio of a lithium element content in the component (b) to a content of an element involved in a charge/discharge reaction in the component (a) is 0.1 to 1.0. Consequently, the nonaqueous electrolyte secondary battery has an excellent weight energy density and can reduce dependency on electrolyte solution amount.

Abstract translation: 提供了一种非水电解质二次电池，其包括正极，负极，设置在正极和负极之间的隔膜以及含有具有离子传导性的负载盐的电解质溶液，其中所述正极包括含有组分的组合物 （a）和（b），满足下述要求（α），其中负极含有金属锂和选自能够进行锂离子插入/解吸的材料中的至少一种：（a）导电聚合物; （b）用锂取代一部分聚阴离子形成的锂盐; 和（α）组分（b）中的锂元素含量与组分（a）中充电/放电反应中涉及的元素的含量的摩尔比为0.1至1.0。 因此，非水电解质二次电池具有优异的重量能量密度，并且可以降低对电解质溶液量的依赖性。