公开(公告)号：USRE47520E1

公开(公告)日：2019-07-16

申请号：US14875434

申请日：2015-10-05

Applicant: Zhengming Zhang

Inventor： Zhengming Zhang

IPC: H01M2/16 ,  H01M10/052

Abstract: The instant invention is directed to a separator for a high energy rechargeable lithium battery and the corresponding battery. The separator includes a ceramic composite layer and a polymeric microporous layer. The ceramic layers includes a mixture of inorganic particles and a matrix material. The ceramic layer is adapted, at least, to block dendrite growth and to prevent electronic shorting. The polymeric layer is adapted, at least, to block ionic flow between the anode and the cathode in the event of thermal runaway.

公开(公告)号：US07790320B2

公开(公告)日：2010-09-07

申请号：US11619002

申请日：2007-01-02

Applicant: Pankaj Arora ,  Ronald W. Call ,  Tien Dao ,  Khuy V. Nguyen ,  Donald K. Simmons ,  Zhengming Zhang

Inventor： Pankaj Arora ,  Ronald W. Call ,  Tien Dao ,  Khuy V. Nguyen ,  Donald K. Simmons ,  Zhengming Zhang

IPC: H01M2/16 ,  H01M2/14

CPC classification number: H01M2/166 ,  H01M2/18

Abstract: A battery separator is a microporous membrane. The membrane has a major volume of a thermoplastic polymer and a minor volume of an inert particulate filler. The filler is dispersed throughout the polymer. The membrane exhibits a maximum Z-direction compression of 95% of the original membrane thickness. Alternatively, the battery separator is a microporous membrane having a TMA compression curve with a first substantially horizontal slope between ambient temperature and 125° C., a second substantially horizontal slope at greater than 225° C. The curve of the first slope has a lower % compression than the curve of the second slope. The curve of the second slope is not less than 5% compression. The TMA compression curve is graphed so that the Y-axis represents % compression from original thickness and the X-axis represents temperature.

Abstract translation: 电池隔膜是微孔膜。 膜具有主要体积的热塑性聚合物和少量的惰性颗粒填料。 填料分散在整个聚合物中。 膜的最大Z方向压缩率为原膜厚度的95％。 或者，电池隔板是具有在环境温度和125℃之间具有第一基本上水平的斜率的TMA压缩曲线的微孔膜，大于225℃的第二基本上水平的斜率。第一斜率的曲线具有较低的 ％压缩比第二斜率的曲线。 第二斜率的曲线不小于5％压缩。 绘制TMA压缩曲线，使得Y轴表示来自原始厚度的％压缩，X轴表示温度。

公开(公告)号：US20080268345A1

公开(公告)日：2008-10-30

申请号：US11575506

申请日：2005-10-18

Applicant: Zhengming Zhang ,  Khuy V. Nguyen ,  Pankaj Arora ,  Ronald W. Call ,  Donald K. Simmons ,  Tien Dao

Inventor： Zhengming Zhang ,  Khuy V. Nguyen ,  Pankaj Arora ,  Ronald W. Call ,  Donald K. Simmons ,  Tien Dao

IPC: H01M2/14 ,  H01M4/40

CPC classification number: H01M2/166 ,  C08J5/2206 ,  H01M2/18 ,  H01M10/052 ,  Y02E60/122

Abstract: A battery separator is a microporous membrane. The membrane has a major volume of a thermoplastic polymer and a minor volume of an inert particulate filler. The filler is dispersed throughout the polymer. The membrane exhibits a maximum Z-direction compression of 95% of the original membrane thickness. Alternatively, the battery separator is a microporous membrane having a TMA compression curve with a first substantially horizontal slope between ambient temperature and 125° C., a second substantially horizontal slope at greater than 225° C. The curve of the first slope has a lower % compression than the curve of the second slope. The curve of the second slope is not less than 5% compression. The TMA compression curve is graphed so that the Y-axis represents % compression from original thickness and the X-axis represents temperature.

Abstract translation: 电池隔膜是微孔膜。 膜具有主要体积的热塑性聚合物和少量的惰性颗粒填料。 填料分散在整个聚合物中。 膜的最大Z方向压缩率为原始膜厚度的95％。 或者，电池隔板是具有在环境温度和125℃之间具有第一基本上水平的斜率的TMA压缩曲线的微孔膜，大于225℃的第二基本上水平的斜率。第一斜率的曲线具有较低的 ％压缩比第二斜率的曲线。 第二斜率的曲线不小于5％压缩。 绘制TMA压缩曲线，使得Y轴表示来自原始厚度的％压缩，X轴表示温度。

公开(公告)号：US20070072068A1

公开(公告)日：2007-03-29

申请号：US11549273

申请日：2006-10-13

Applicant: Zhengming Zhang ,  Pankaj Arora

Inventor： Zhengming Zhang ,  Pankaj Arora

IPC: H01M2/16 ,  H01M2/18

CPC classification number: H01M2/1686 ,  H01M2/145 ,  H01M2/1653 ,  H01M2/1673 ,  H01M4/628 ,  H01M10/0525 ,  H01M10/058

Abstract: A lithium ion rechargeable battery comprises: a negative electrode adapted to give up electrons during discharge, a positive electrode adapted to gain electrons during discharge, a microporous separator sandwiched between said positive electrode and said negative electrode, an organic electrolyte being contained within said separator and being in electrochemical communication with said positive electrode and said negative electrode, and an oxidative barrier interposed between said separator and said positive electrode, and thereby preventing oxidation of said separator.

Abstract translation: 一种锂离子可再充电电池，其特征在于，包括：放电期间放电的负电极，放电期间获得电子的正电极，夹在所述正电极和所述负极之间的微孔隔板，所述隔膜内含有有机电解质， 与所述正极和所述负极电化学连通，以及介于所述隔板和所述正电极之间的氧化屏障，从而防止所述隔板氧化。

公开(公告)号：US20060088769A1

公开(公告)日：2006-04-27

申请号：US10971310

申请日：2004-10-22

Applicant: Pankaj Arora ,  Ronald Call ,  Tien Dao ,  Khuy Nguyen ,  Donald Simmons ,  Zhengming Zhang

Inventor： Pankaj Arora ,  Ronald Call ,  Tien Dao ,  Khuy Nguyen ,  Donald Simmons ,  Zhengming Zhang

IPC: H01M2/16

CPC classification number: H01M2/166 ,  H01M2/18

Abstract: A battery separator is a microporous membrane. The membrane has a major volume of a thermoplastic polymer and a minor volume of an inert particulate filler. The filler is dispersed throughout the polymer. The membrane exhibits a maximum Z-direction compression of 95% of the original membrane thickness. Alternatively, the battery separator is a microporous membrane having a TMA compression curve with a first substantially horizontal slope between ambient temperature and 125° C., a second substantially horizontal slope at greater than 225° C. The curve of the first slope has a lower % compression than the curve of the second slope. The curve of the second slope is not less than 5% compression. The TMA compression curve is graphed so that the Y-axis represents % compression from original thickness and the X-axis represents temperature.

Abstract translation: 电池隔膜是微孔膜。 膜具有主要体积的热塑性聚合物和少量的惰性颗粒填料。 填料分散在整个聚合物中。 膜的最大Z方向压缩率为原始膜厚度的95％。 或者，电池隔板是具有在环境温度和125℃之间具有第一基本上水平的斜率的TMA压缩曲线的微孔膜，大于225℃的第二基本上水平的斜率。第一斜率的曲线具有较低的 ％压缩比第二斜率的曲线。 第二斜率的曲线不小于5％压缩。 绘制TMA压缩曲线，使得Y轴表示来自原始厚度的％压缩，X轴表示温度。

公开(公告)号：US20120048527A1

公开(公告)日：2012-03-01

申请号：US13318729

申请日：2009-06-18

Applicant: Shuyan He ,  Huaiming Ju ,  Xinxin Wu ,  Xiaowei Luo ,  Zhengming Zhang ,  Zongxin Wu ,  Zuoyi Zhang

Inventor： Shuyan He ,  Huaiming Ju ,  Xinxin Wu ,  Xiaowei Luo ,  Zhengming Zhang ,  Zongxin Wu ,  Zuoyi Zhang

IPC: F28F9/02

CPC classification number: F22B29/064 ,  F22B1/18 ,  F22B1/1823 ,  F22B21/26 ,  F22B21/28 ,  F22B29/06 ,  F22B29/067 ,  F22B37/64 ,  F28D7/024 ,  F28F9/028

Abstract: A steam generator includes a heat exchanger, a liquid header and a steam header. The heat exchanger is assembled by several heat exchanging subassemblies with the same structure. The heat exchanging subassembly includes a spiral heat transmission pipe bundle, a central cylinder and a sleeve. The spiral heat transmission pipes with different radii are concentrically and spirally arranged in an annular space between the central cylinder and the sleeve, to form one or more concentric heat exchanging pillar surfaces. One end of the liquid header is connected with a main water feeding pipe, and the other end of the liquid header is connected with the spiral heat transmission pipe bundle. One end of the steam header is connected with a main steam pipe, and the other end of the steam header is connected with the spiral heat transmission pipe bundle.

Abstract translation: 蒸汽发生器包括热交换器，液体集管和蒸汽集管。 热交换器由具有相同结构的几个热交换子组件组装。 热交换子组件包括螺旋传热管束，中心圆筒和套筒。 具有不同半径的螺旋传热管同心且螺旋地布置在中心圆筒和套筒之间的环形空间中，以形成一个或多个同心的热交换柱面。 液体集管的一端与主给水管连接，液体集管的另一端与螺旋传热管束连接。 蒸汽集管的一端与主蒸汽管连接，蒸汽集管的另一端与螺旋传热管束连接。

公开(公告)号：US20070238017A1

公开(公告)日：2007-10-11

申请号：US11400465

申请日：2006-04-07

Applicant: Ronald Call ,  Lie Shi ,  Zhengming Zhang ,  Shizuo Ogura ,  Xiangyun Wei ,  Premanand Ramadass

Inventor： Ronald Call ,  Lie Shi ,  Zhengming Zhang ,  Shizuo Ogura ,  Xiangyun Wei ,  Premanand Ramadass

IPC: H01M2/16 ,  B29C65/00

CPC classification number: H01M2/1653 ,  B29C55/023 ,  B29K2023/06 ,  B29K2023/12 ,  B32B37/153 ,  B32B38/0032 ,  B32B2038/0028 ,  B32B2038/0048 ,  B32B2305/026 ,  B32B2457/10

Abstract: A multi-layer microporous battery separator which comprises: a high molecular weight polypropylene layer having a melt flow index of ≦1.2 measured at layer; a polyethylene layer; and a high molecular weight polypropylene layer having a melt flow index of ≦1.2 measured at layer. The resulting microporous battery separator which is formed by a dry stretch process produces the microporous battery separator which has a porosity of ≦37% while maintaining a gurley from 13-25 seconds and a thickness of ≦25 microns.

Abstract translation: 一种多层微孔电池隔板，包括：在层上测量的熔体流动指数<= 1.2的高分子量聚丙烯层; 聚乙烯层; 和在层上测量的熔体流动指数<= 1.2的高分子量聚丙烯层。 通过干拉伸法形成的所得微孔电池隔板产生孔隙率<= 37％的微孔电池隔板，同时保持13-25秒的格栅和<= 25微米的厚度。

公开(公告)号：US20050193551A1

公开(公告)日：2005-09-08

申请号：US10793594

申请日：2004-03-04

Applicant: Zhengming Zhang

Inventor： Zhengming Zhang

IPC: H01M2/14 ,  H01M2/34 ,  H01M4/131 ,  H01M4/50 ,  H01M4/505 ,  H01M4/52 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/36 ,  H01M10/42 ,  H01M4/00 ,  H01M4/04

CPC classification number: H01M2/34 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/4235 ,  Y10T29/49108

Abstract: The invention is a method for preventing short circuiting in a lithium ion battery. The battery has an anode made of intercalation compound, a cathode made of an intercalation compound, and a separator having a thickness of 25 microns or less sandwiched between the anode and the cathode. The method includes the steps of rounding or beveling the edge portion of the cathode, so that during charging when the anode and cathode expand and squeeze the separator, the rounded or beveled edge portion of the cathode cannot cut the separator.

Abstract translation: 本发明是防止锂离子电池短路的方法。 电池具有由插层化合物制成的阳极，由插层化合物制成的阴极和夹在阳极和阴极之间的具有25微米或更小的厚度的隔板。 该方法包括以下步骤：使阴极的边缘部分倒圆或倒角，使得当阳极和阴极膨胀并挤压隔板时，在充电期间，阴极的圆形或斜边缘部分不能切割隔板。

公开(公告)号：US06432586B1

公开(公告)日：2002-08-13

申请号：US09546266

申请日：2000-04-10

Applicant: Zhengming Zhang

Inventor： Zhengming Zhang

IPC: H01M216

CPC classification number: H01M2/1686 ,  H01M2/164 ,  H01M2/1653 ,  H01M2/166 ,  H01M10/052

Abstract: The instant invention is directed to a separator for a high energy rechargeable lithium battery and the corresponding battery. The separator includes a ceramic composite layer and a polymeric microporous layer. The ceramic layers includes a mixture of inorganic particles and a matrix material. The ceramic layer is adapted, at least, to block dendrite growth and to prevent electronic shorting. The polymeric layer is adapted, at least, to block ionic flow between the anode and the cathode in the event of thermal runaway.

Abstract translation: 本发明涉及用于高能量可再充电锂电池的隔板和相应的电池。 分离器包括陶瓷复合层和聚合物微孔层。 陶瓷层包括无机颗粒和基质材料的混合物。 陶瓷层至少适于阻挡枝晶生长并防止电子短路。 至少在热失控的情况下，聚合物层适于阻挡阳极和阴极之间的离子流。

公开(公告)号：US09570727B2

公开(公告)日：2017-02-14

申请号：US11575506

申请日：2005-10-18

Applicant: Zhengming Zhang ,  Khuy V. Nguyen ,  Pankaj Arora ,  Ronald W. Call ,  Donald K. Simmons ,  Tien Dao

Inventor： Zhengming Zhang ,  Khuy V. Nguyen ,  Pankaj Arora ,  Ronald W. Call ,  Donald K. Simmons ,  Tien Dao

IPC: H01M2/16 ,  C08J5/22 ,  H01M2/18 ,  H01M10/052

CPC classification number: H01M2/166 ,  C08J5/2206 ,  H01M2/18 ,  H01M10/052 ,  Y02E60/122

Abstract: A battery separator is a microporous membrane. The membrane has a major volume of a thermoplastic polymer and a minor volume of an inert particulate filler. The filler is dispersed throughout the polymer. The membrane exhibits a maximum Z-direction compression of 95% of the original membrane thickness. Alternatively, the battery separator is a microporous membrane having a TMA compression curve with a first substantially horizontal slope between ambient temperature and 125° C., a second substantially horizontal slope at greater than 225° C. The curve of the first slope has a lower % compression than the curve of the second slope. The curve of the second slope is not less than 5% compression. The TMA compression curve is graphed so that the Y-axis represents % compression from original thickness and the X-axis represents temperature.

Abstract translation: 电池隔膜是微孔膜。 膜具有主要体积的热塑性聚合物和少量的惰性颗粒填料。 填料分散在整个聚合物中。 膜的最大Z方向压缩率为原膜厚度的95％。 或者，电池隔板是具有在环境温度和125℃之间具有第一基本上水平的斜率的TMA压缩曲线的微孔膜，大于225℃的第二基本上水平的斜率。第一斜率的曲线具有较低的 ％压缩比第二斜率的曲线。 第二斜率的曲线不小于5％压缩。 绘制TMA压缩曲线，使得Y轴表示来自原始厚度的％压缩，X轴表示温度。