Negative active material for lithium rechargeable batteries and method of fabricating same
    2.
    发明授权
    Negative active material for lithium rechargeable batteries and method of fabricating same 有权
    锂可充电电池用负极活性物质及其制造方法

    公开(公告)号:US07285358B2

    公开(公告)日:2007-10-23

    申请号:US10160204

    申请日:2002-05-30

    IPC分类号: H01M4/58 B05D5/12

    摘要: The present invention relates to a negative active material for a lithium rechargeable battery and a method of preparing the same, and the negative active material prepared by coating a carbon source with a coating liquid, and drying the carbon source, and the negative active material comprises a core having a carbon source with surface-treatment layer formed on the surface of the core, the surface-treatment layer having at least one compound of coating element selected from the group cosnsisting of amorphous, semi crystalline, or crystalline hydroxides, oxyhydroxides, oxycarbonates, and hydroxidecarbonates.The present invention provides a negative active material coated with a surface-treatment layer of a coating-element-included hydroxide, a coating-element-included oxyhydroxide, a coating-element-included oxycarbonate, or a coating-element-included hydroxycarbonate, and thereby a battery having the negative active material has less change in thickness after expansion of the active material, that is, from 12.2% to 5.3%, and furthermore, cycle-life characteristics are improved (7% or more improvement at the 200th cycle) and voltage characteristics are improved (0.04 V or more improvement at the 200th cycle).

    摘要翻译: 本发明涉及一种用于锂可再充电电池的负极活性材料及其制备方法,通过用涂布液涂覆碳源并干燥碳源制备的负极活性材料和负极活性材料包括 具有形成在芯表面上的具有表面处理层的碳源的芯体,所述表面处理层具有至少一种选自由无定形,半结晶或结晶氢氧化物,羟基氧化物,碳酸氧化物组成的组的涂层元素化合物 ,和水合罗非糖类。 本发明提供涂覆有包含涂覆元素的氢氧化物的表面处理层的负极活性材料,包含涂覆元素的羟基氧化合物,包含涂覆元素的含氧碳酸酯或包含涂覆元素的羟基碳酸酯,以及 从而具有负极活性物质的电池在活性物质膨胀后的厚度变化较小,即12.2%〜5.3%,此外,循环寿命特性提高(第200次循环的7%以上的改善) 并提高电压特性(在第200次循环时为0.04V以上的改善)。

    Fuel cell module
    5.
    发明授权
    Fuel cell module 有权
    燃料电池模块

    公开(公告)号:US09147887B2

    公开(公告)日:2015-09-29

    申请号:US12833772

    申请日:2010-07-09

    IPC分类号: H01M4/02 H01M8/02 H01M4/90

    摘要: A tubular fuel cell module having improved current collecting efficiency. In one embodiment, the fuel cell module includes: a fuel cell unit; a first current collector extending along an outer side of the fuel cell unit; and a second current collector wound around the first current collector and around the outer side of the fuel cell unit. Here, the outer side of the fuel cell unit is a curved outer side, the first current collector has a curved inner side facing the curved outer side of the fuel cell unit, and the curved inner side of first current collector is shaped to match the curved outer side of the fuel cell unit.

    摘要翻译: 一种具有改进的集流效率的管状燃料电池模块。 在一个实施例中,燃料电池模块包括:燃料电池单元; 沿燃料电池单元的外侧延伸的第一集电体; 以及围绕所述第一集电体并且围绕所述燃料电池单元的外侧缠绕的第二集电体。 这里,燃料电池单元的外侧是弯曲的外侧,第一集电体具有面对燃料电池单元的弯曲外侧的弯曲内侧,第一集电体的弯曲内侧成形为与 燃料电池单元的弯曲的外侧。

    Fuel cell and manufacturing method of the same
    6.
    发明授权
    Fuel cell and manufacturing method of the same 有权
    燃料电池及其制造方法相同

    公开(公告)号:US08940456B2

    公开(公告)日:2015-01-27

    申请号:US13199780

    申请日:2011-09-09

    IPC分类号: H01M2/08 H01M8/02

    摘要: A manufactured fuel cell includes: a unit cell including a first electrode layer, an electrolyte layer surrounding an outer circumference of the first electrode layer, and a second electrode layer surrounding the electrolyte layer while exposing an end of the electrolyte layer; a plating layer around an outer circumference of the exposed electrolyte layer; a cell coupling member including a passage pipe inserted into the unit cell and forming a continuous passage from the inside of the unit cell, a coupling pipe provided outside of the passage pipe to form a space accommodating an end of the unit cell from the passage pipe, and a connecting unit connecting the coupling pipe with the passage pipe and restricting an insertion depth of the electrolyte layer and the first electrode layer; and a welding portion fixing and sealing the plating layer and an inner circumference of the coupling pipe with each other.

    摘要翻译: 所制造的燃料电池包括:单元电池,包括第一电极层,围绕第一电极层的外周的电解质层和围绕电解质层的第二电极层,同时暴露电解质层的端部; 围绕暴露的电解质层的外周的镀层; 单元联接构件,其包括插入到单位单元中的通道管,并且从单元电池的内部形成连续通道;耦合管,设置在通道管的外侧,以形成容纳该单元的端部的通道, 以及连接单元,其将所述连接管与所述通道管连接并限制所述电解质层和所述第一电极层的插入深度; 以及焊接部,其将镀层和连结管的内周彼此固定并密封。

    FUEL CELL
    7.
    发明申请
    FUEL CELL 有权
    燃料电池

    公开(公告)号:US20130004880A1

    公开(公告)日:2013-01-03

    申请号:US13340527

    申请日:2011-12-29

    IPC分类号: H01M8/24

    摘要: A fuel cell including a plurality of tubular unit cells each including: a first electrode layer, an electrolyte layer, and a second electrode layer, stacked radially in a direction from a center axis to an outer region thereof; an internal current collector in an interior of the unit cell; and an external current collector arranged at an outer circumferential surface of the unit cell, the external current collector including a plurality of connecting portions configured to electrically connect between the unit cell and at least one another unit cell of the plurality of unit cells, and the connecting portions form two or more electrical paths between a unit cell of the plurality of unit cells and another unit cell of the plurality of unit cells.

    摘要翻译: 一种燃料电池,包括多个管状单电池,每个管状单电池包括:第一电极层,电解质层和第二电极层,其沿从其中心轴到外部区域的方向径向堆叠; 在单元电池的内部的内部集电器; 以及设置在所述单元电池的外周面的外部集电体,所述外部集电体包括多个连接部,所述多个连接部被配置为电连接所述单元电池和所述多个单元电池中的至少另一个单元电池, 连接部分在多个单元电池的单元电池和多个单位电池的另一个单电池之间形成两个或多个电路径。

    FUEL CELL MODULE AND MANUFACTURING METHOD OF THE SAME
    8.
    发明申请
    FUEL CELL MODULE AND MANUFACTURING METHOD OF THE SAME 审中-公开
    燃料电池模块及其制造方法

    公开(公告)号:US20120107727A1

    公开(公告)日:2012-05-03

    申请号:US13222787

    申请日:2011-08-31

    IPC分类号: H01M4/86 B32B38/08 H01M4/88

    摘要: A fuel cell module and a method of manufacturing the same. A fuel cell module including a unit cell in which a first electrode layer, an electrolyte layer, and a second electrode layer are sequentially laminated, wherein one of the first electrode layer and the second electrode layer includes a first region coated with a first electrode material layer having a first ionic conductivity, a second region coated with a second electrode material layer having a second ionic conductivity, and a third region coated with a third electrode material layer having a third ionic conductivity, and a method of manufacturing the same are provided. A temperature gradient difference of a unit cell is reduced so that more uniform performance of the unit cell may be achieved. The fuel cell module may be driven at low temperature and durability thereof may be improved.

    摘要翻译: 燃料电池模块及其制造方法。 一种燃料电池模块,包括依次层叠有第一电极层,电解质层和第二电极层的单元电池,其中,第一电极层和第二电极层中的一个包括涂覆有第一电极材料的第一区域 提供具有第一离子导电性的层,涂覆有具有第二离子导电性的第二电极材料层的第二区域和涂覆有具有第三离子导电性的第三电极材料层的第三区域及其制造方法。 单元电池的温度梯度差减小,从而可以实现单元电池的更均匀的性能。 燃料电池模块可以在低温下被驱动,并且可以提高其耐久性。

    Fuel cell system and stack used thereto
    9.
    发明授权
    Fuel cell system and stack used thereto 有权
    燃料电池系统和堆叠

    公开(公告)号:US07329472B2

    公开(公告)日:2008-02-12

    申请号:US11054892

    申请日:2005-02-10

    IPC分类号: H01M2/14

    摘要: Disclosed is a fuel cell system wherein the flow of fuel and oxygen is optimized thereby improving the thermal efficiency of the entire system. The fuel cell system comprises at least one stack for generating electrical energy by an electrochemical reaction between hydrogen gas and oxygen, a fuel supply portion for supplying fuel to the stack, and an oxygen supply portion for supplying oxygen to the stack. The stack is formed in a stacked configuration with MEAs and separators. The separators are positioned on either surface of the MEAs. The separators have a plurality of ribs proximate to the MEAs which define a plurality of channels wherein the ratio of a width of the channels to the width of the ribs is from about 0.8 to 1.5.

    摘要翻译: 公开了一种燃料电池系统,其中优化燃料和氧气的流动,从而提高整个系统的热效率。 燃料电池系统包括用于通过氢气和氧气之间的电化学反应产生电能的至少一个堆叠,用于向堆叠供应燃料的燃料供应部分和用于向堆供给氧的氧气供应部分。 堆叠形成为具有MEA和分离器的堆叠构造。 分离器位于MEA的任一表面上。 分离器具有靠近MEA的多个肋,其限定多个通道,其中通道的宽度与肋的宽度的比率为约0.8至1.5。

    Separator for fuel cell system, and method for preparing the same
    10.
    发明申请
    Separator for fuel cell system, and method for preparing the same 审中-公开
    燃料电池系统分离器及其制备方法

    公开(公告)号:US20060110648A1

    公开(公告)日:2006-05-25

    申请号:US11285802

    申请日:2005-11-23

    IPC分类号: H01M8/02 B05D5/12 B32B15/04

    摘要: A metal separator for a fuel cell of the present invention includes a metal substrate having a reactant flow pathway, and a metal nitride coating layer. The metal nitride coating layer covers the surface of the metal substrate on which a reactant flow pathway is formed and slurry-coated. A metal layer for improving adherence is formed between the surface of the metal substrate on which a reactant flow pathway is formed, and the electro-conductive metal nitride coating layer. The metal separator is suitable for a fuel cell since it is lightweight, and has excellent anti-corrosion and electric conductivity.

    摘要翻译: 本发明的燃料电池用金属隔板包括具有反应物流路的金属基板和金属氮化物被覆层。 金属氮化物涂层覆盖其上形成有反应物流动路径并且浆料涂覆的金属基底的表面。 在形成有反应物流路的金属基板的表面与导电性金属氮化物被覆层之间形成用于提高粘附性的金属层。 金属分离器由于重量轻,适用于燃料电池,具有优异的防腐蚀和导电性。