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    • 1. 发明授权
    • Electrolytic capacitors with alternate cathode materials for use in pulse discharge applications
    • 具有用于脉冲放电应用的交替阴极材料的电解电容器
    • US07715174B1
    • 2010-05-11
    • US10848028
    • 2004-05-17
    • W. Joseph BeauvaisMelissa A. MooreJames L. StevensThomas F. StrangeChristopher R. Feger
    • W. Joseph BeauvaisMelissa A. MooreJames L. StevensThomas F. StrangeChristopher R. Feger
    • H01G9/04
    • H01G9/06A61N1/375H01G9/035H01G9/048
    • A metal or metal alloy foil substrate, preferably an unetched and uncoated metal or metal alloy foil substrate, such as but not limited to titanium, palladium, lead, nickel, tin, platinum, silver, gold, zirconium, molybdenum, tantalum, palladium-silver alloy, platinum-rhodium alloy, platinum-ruthenium alloy, and/or platinum-iridium alloy, is used as the cathode in an electrolytic capacitor, preferably an aluminum electrolytic capacitor having a multiple anode flat, stacked capacitor configuration. Despite a 120 Hz bridge capacitance measurement lower than with etched aluminum, the use of an unetched and uncoated metal or metal alloy foil cathode according to the present invention will inhibit gas production and not cause the capacitor to swell. Furthermore, an electrolytic capacitor built with a 30 micron unetched and uncoated foil cathode according to the present invention can deliver a stored to discharge energy ratio sufficient for use in pulse discharge applications, such as an in an ICD.
    • 金属或金属合金箔基材,优选未蚀刻和未涂覆的金属或金属合金箔基材,例如但不限于钛,钯,铅,镍,锡,铂,银,金,锆,钼,钽,钯 - 银合金,铂 - 铑合金,铂 - 钌合金和/或铂 - 铱合金用作电解电容器中的阴极,优选为具有多阳极扁平堆叠电容器构造的铝电解电容器。 尽管与蚀刻铝相比,120Hz桥电容测量值低,但根据本发明使用未蚀刻和未涂覆的金属或金属合金箔阴极将抑制气体产生并且不会使电容器膨胀。 此外,根据本发明的由30微米未蚀刻和未涂覆的箔阴极构建的电解电容器可以提供足以用于诸如ICD中的脉冲放电应用的存储到放电能量比。
    • 2. 发明授权
    • High surface area cathode for electrolytic capacitors using conductive polymer
    • 使用导电聚合物的电解电容器的高表面积阴极
    • US07169284B1
    • 2007-01-30
    • US10668899
    • 2003-09-22
    • Naixiong JiangTimothy MarshallMelissa MooreChristopher R. FegerThomas F. Strange
    • Naixiong JiangTimothy MarshallMelissa MooreChristopher R. FegerThomas F. Strange
    • C25D9/02C25D5/44
    • C09D5/24H01G11/48Y02E60/13
    • The present invention is directed to a conductive polyethylenedioxythiophene (PEDOT) polymer coated electrode adapted for use as a cathode electrode of an electrolytic capacitor and a method of manufacturing the same. According to the present invention, a metal foil substrate is placed in an aqueous solution of a doped 3,4-ethylenedioxythiophene (EDOT) monomer and a co-solvent, to dissolve the EDOT monomer, and a current is applied until the desired thickness of the polymer coating is electrochemically deposited. Additionally, an organic acid is added to the aqueous solution to act as an oxidizer. In order to improve the uniformity and adherence of the coating a surfactant may also be added. In a preferred embodiment, the EDOT monomer and cosolvent are first mixed, and then added to a water solution of oxidizer and dopant. The polymer film is deposited electrochemically onto the substrate by applying a DC current between 0.05 mA/cm2 and 5.0 mA/cm2 for 1 to 60 minutes, more preferably between about 0.13 mA/cm2 to about 0.26 mA/cm2 for between 9 and 18 minutes, such that a conductive polyethylenedioxythiophene (PEDOT) coating is formed on the electrode surface. According to the present invention, the increased surface area of the coated cathode results in lower gas generation and, therefore, reduced capacitor swelling, reduced oxide buildup on the cathode and prevention of electrolysis. The present invention results in electrodes with a minimum capacitance of 1 mF/cm2. The present invention also makes it possible to use thinner electrodes than conventional aluminum electrodes, thereby reducing the physical dimensions of the capacitor.
    • 本发明涉及适合用作电解电容器的阴极的导电聚亚乙基二氧噻吩(PEDOT)聚合物涂覆电极及其制造方法。 根据本发明,将金属箔基材置于掺杂的3,4-亚乙基二氧噻吩(EDOT)单体和助溶剂的水溶液中以溶解EDOT单体,并施加电流至所需厚度的 电化学沉积聚合物涂层。 另外,向水溶液中加入有机酸作为氧化剂。 为了提高涂层的均匀性和粘附性,还可以加入表面活性剂。 在优选的实施方案中,首先混合EDOT单体和共溶剂,然后加入到氧化剂和掺杂剂的水溶液中。 将聚合物膜通过在0.05mA / cm 2至5.0mA / cm 2之间施加DC电流1至60分钟,更优选在约 0.13mA / cm 2至约0.26mA / cm 2,持续9至18分钟,使得在电极表面上形成导电聚亚乙基二氧噻吩(PEDOT)涂层。 根据本发明,涂覆阴极的增加的表面积导致较低的气体产生,并因此降低电容器的膨胀,减少阴极上的氧化物积聚和防止电解。 本发明产生具有1mF / cm 2的最小电容的电极。 本发明还可以使用比常规铝电极更薄的电极,从而减小电容器的物理尺寸。
    • 9. 发明授权
    • Electrical circuit interrupter for dry metallized film capacitors
    • 用于干式金属化薄膜电容器的电路断路器
    • US4618910A
    • 1986-10-21
    • US664659
    • 1984-10-25
    • Thomas F. StrangeJohn W. Carino
    • Thomas F. StrangeJohn W. Carino
    • H01G2/14H01G1/11
    • H01G2/14Y10T29/435
    • An electrical dry metallized film capacitor includes a capacitor roll section, formed from a metallized film having connecting leads attached to the top and bottom thereof. The capacitor roll section is then coated with a non-stick coating and then inserted into a closed-end container, the connecting lead attached to the bottom of the capacitor roll section being dressed along the side thereof to the open end of the container. Potting compound is then inserted into the container up to the top of the capacitor roll section. Upon electrical failure of the capacitor, the non-stick coating allows gases, formed in the capacitor roll section, to axially shift the capacitor roll section thereby breaking the connection to the bottom connecting lead which is securely held by the potting compound.
    • 电干式金属化薄膜电容器包括电容器辊部,其由具有连接到其顶部和底部的连接引线的金属化膜形成。 然后将电容器辊部分涂覆有不粘涂层,然后插入封闭端的容器中,连接到电容器辊部分的底部的连接引线沿其侧面被修整到容器的开口端。 然后将封装化合物插入容器中直到电容器辊部分的顶部。 当电容器发生电气故障时,不粘涂层允许形成在电容器辊部分中的气体轴向地移动电容器辊部分,从而断开与由灌封化合物牢固地保持的底部连接引线的连接。