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    • 1. 发明申请
    • Polymer binder for electrochemical device comprising multiply stacked electrochemical cells
    • 用于包括多层叠电化学电池的电化学装置的聚合物粘合剂
    • US20060275661A1
    • 2006-12-07
    • US11435538
    • 2006-05-17
    • Byoung KimDong RyuJu KimChang HanEun GohHyang Lee
    • Byoung KimDong RyuJu KimChang HanEun GohHyang Lee
    • H01M4/62C08F220/06
    • C08F220/18C08F212/08C08F222/04H01M2/1673H01M4/13H01M4/621H01M4/622H01M10/0413H01M10/0525H01M2300/0085
    • Disclosed is an electrochemical device, which comprises: (A) a binder comprising polymer particles obtained from the polymerization of: (a) 20-70 parts by weight of a (meth)acrylic acid ester monomer; (b) 20-60 parts by weight of a vinyl monomer; and (c) 0.01-30 parts by weight of an unsaturated carboxylic acid monomer, based on 100 parts by weight of a binder polymer; and (B) electrochemical cells stacked multiply by using the binder, wherein the binder allows electrode active material particles in an electrode to be fixed and interconnected among themselves and between the electrode active material and a collector, and the electrode and a separator that is in contact with the electrode are bonded to each other by way of hot fusion. The binder is also disclosed. The binder has excellent adhesion and thermal bonding characteristics, and thus is useful for an electrochemical device comprising multiply stacked electrochemical cells, and can improve the overall quality of a battery.
    • 公开了一种电化学装置,其包括:(A)包含由以下聚合获得的聚合物颗粒的粘合剂:(a)20-70重量份的(甲基)丙烯酸酯单体; (b)20-60重量份的乙烯基单体; 和(c)基于100重量份的粘合剂聚合物,0.01-30重量份的不饱和羧酸单体; 和(B)通过使用粘合剂堆叠的电化学电池,其中粘合剂允许电极中的电极活性材料颗粒在它们之间以及电极活性材料和集电体之间固定和互连,并且电极和分离器 与电极的接触通过热熔接而彼此接合。 还公开了粘合剂。 粘合剂具有优异的粘合性和热粘合特性,因此可用于包括多层叠电化学电池的电化学装置,并且可以提高电池的整体质量。
    • 2. 发明申请
    • Binder with good rate property and long cycleability for lithium secondary battery
    • 锂二次电池具有良好的性能和循环性能好的粘合剂
    • US20060257739A1
    • 2006-11-16
    • US11399718
    • 2006-04-07
    • Dong RyuCha KuChang HanByoung KimJu KimChang Koo
    • Dong RyuCha KuChang HanByoung KimJu KimChang Koo
    • H01M4/62G01N27/416
    • H01M4/621H01M4/13H01M4/622H01M10/052H01M10/056
    • Disclosed is a binder, which comprises polymer particles obtained by polymerization of: (a) 1˜80 parts by weight of a (meth)acrylic acid ester monomer; (b) 1˜20 parts by weight of an unsaturated carboxylic acid monomer; and (c) 0.001˜40 parts by weight of a vinyl monomer, based on 100 parts by weight of the binder polymer, and which allows electrode active material particles capable of lithium intercalation/deintercalation to be fixed and linked among themselves, and between the particles and a collector. An electrode comprising the binder, and a lithium secondary battery having the electrode are also disclosed. Further, a method for evaluating interrelation between wettability of a binder to an electrolyte and quality of a battery comprising the binder is disclosed. The binder shows excellent adhesion as well as excellent wettability to an electrolyte, and thus can improve rate characteristics and lifespan characteristics of a battery, when used in an electrode for a lithium secondary battery.
    • 公开了一种粘合剂,其包含聚合物颗粒,所述聚合物颗粒通过聚合得到:(a)1〜80重量份的(甲基)丙烯酸酯单体; (b)1〜20重量份的不饱和羧酸单体; 和(c)基于100重量份的粘合剂聚合物,0.001〜40重量份的乙烯基单体,并且其允许能够插入/脱嵌锂的电极活性物质颗粒彼此之间固定和连接 颗粒和收集器。 还公开了包含该粘合剂的电极和具有该电极的锂二次电池。 此外,公开了一种用于评估粘合剂对电解质的润湿性和包含粘合剂的电池质量之间的相互关系的方法。 粘合剂对于电解质显示出优异的粘附性和优异的润湿性,因此当用于锂二次电池的电极时,可以提高电池的速率特性和寿命特性。
    • 8. 发明申请
    • Method of increasing number of subscribers using time division duplexing technology in wavelength division multiplexing/Ethernet passive optical network system
    • 波分复用/以太网无源光网络系统中使用时分双工技术的用户数量增加的方法
    • US20070147837A1
    • 2007-06-28
    • US11634507
    • 2006-12-06
    • Jeong YooByoung KimBokrae JungJaegwan KimNamuk KimMinho Kang
    • Jeong YooByoung KimBokrae JungJaegwan KimNamuk KimMinho Kang
    • H04J14/00
    • H04J14/0226H04J3/1694H04J14/0227H04J14/0246H04J14/0247H04J14/025H04J14/0252H04J14/0282H04J2014/0253
    • Provided is a method of increasing the number of subscribers using a time division duplexing (TDD) technology in a wavelength division multiplexing (WDM)/Ethernet passive optical network (WE-PON) system, and more particularly, a method of increasing the number of subscribers admissible per wavelength using a TDD technology. In an existing WE-PON, due to an amplitude squeezing effect (ASE) in an optical network terminal (ONT) and an optical output power restriction in an optical line terminal (OLT), there is a disadvantage in that 4 or more subscribers cannot be simultaneously accommodated per wavelength. However, the present invention enables accommodation of a maximum of 16 subscribers per wavelength by applying a TDD technology to a medium access control (MAC) protocol. Point-to-multipoint services can be provided without the need of an additional header for classifying upstream and downstream window sizes in a downstream bandwidth used in an existing WDM-PON loopback technique using dynamic band allocation (DBA) applied to a conventional E-PON MAC protocol and scheduling algorithm. In addition, a DBA and threshold adjustment mechanism are provided to compensate for a downstream bandwidth decrease caused by application of the TDD technology.
    • 提供了一种在波分多路复用(WDM)/以太网无源光网络(WE-PON)系统中增加使用时分复用(TDD)技术的用户数量的方法,更具体地说, 用户可以使用TDD技术在每个波长上接受许可。 在现有的WE-PON中,由于光网络终端(ONT)中的振幅挤压效应(ASE)和光线路终端(OLT)中的光输出功率限制,存在4个以上用户不能 每个波长同时容纳。 然而,本发明能够通过将TDD技术应用于媒体接入控制(MAC)协议来容纳每个波长最多16个用户。 可以提供点到多点服务,而不需要用于在现有的WDM-PON环回技术中使用的动态频带分配(DBA)中使用的下行带宽中的上行和下行窗口大小进行分类的附加报头,所述动态频带分配(DBA)应用于常规E-PON MAC协议和调度算法。 另外,提供DBA和阈值调整机制来补偿由TDD技术的应用引起的下行带宽减少。