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    • 2. 发明授权
    • Fabricating method of secondary battery
    • 二次电池的制造方法
    • US08802283B2
    • 2014-08-12
    • US13553528
    • 2012-07-19
    • Chul Youm
    • Chul Youm
    • H01M10/00H01M2/08H01M10/0583
    • H01M10/0583H01M10/04H01M10/052H01M10/0585Y10T29/4911
    • A fabrication method of a secondary battery having excellent electrolyte impregnating characteristics and excellent productivity without fracture of an electrode plate or separation of an active material is disclosed. The fabrication method includes providing a plurality of first electrode plates and second electrode plates and two separators, attaching the plurality of first electrode plates to portions between the two separators, attaching the plurality of second electrode plates to one of the two separators, winding the separators having the plurality of first and second electrode plates to form a wound electrode assembly, removing curved portions of the outermost separators positioned at exterior sides of the first and second electrode plates to form a stacked electrode assembly and accommodating the stacked electrode assembly in a sheath member.
    • 公开了具有优异的电解液浸渍特性和优异的生产率而不断裂电极板或分离活性材料的二次电池的制造方法。 该制造方法包括提供多个第一电极板和第二电极板以及两个分离器,将多个第一电极板连接到两个隔板之间的部分,将多个第二电极板连接到两个隔板中的一个上,将隔板 具有多个第一和第二电极板以形成卷绕的电极组件,去除位于第一和第二电极板的外侧的最外层隔板的弯曲部分,以形成堆叠的电极组件,并将堆叠的电极组件容纳在护套构件中 。
    • 4. 发明申请
    • Anode material for secondary battery, method for producing the same and secondary batteries using the same
    • 二次电池用阳极材料及其制造方法以及使用其的二次电池
    • US20070166616A1
    • 2007-07-19
    • US11653330
    • 2007-01-12
    • Ho-Gun KimJong-Sung KimDong-Hun ShinChul YoumJeong-Hun Oh
    • Ho-Gun KimJong-Sung KimDong-Hun ShinChul YoumJeong-Hun Oh
    • H01M4/58H01B1/04B05D5/12
    • H01M4/587
    • Disclosed are an anode material for a secondary battery, a method for producing the same and a secondary battery using the same. The present invention provides the anode material for a secondary battery produced by coating a high-crystallinity core carbonaceous material with a coating carbonaceous material and calcinating the high-crystallinity core carbonaceous material, wherein the anode material has a specific volume of 0.002 cc/g or less. The anode material for a secondary battery of the present invention may be produced by coating a high-crystallinity core carbonaceous material with a coating carbonaceous material and undergoing a predetermined calcination process, and the anode material can have an increased volume ratio of the micropores. Accordingly, the secondary battery of the present invention may be useful to improve charging/discharging capacity and efficiency since sorption of lithium ion in the anode material is improved.
    • 公开了二次电池的负极材料及其制造方法以及使用该二次电池的二次电池。 本发明提供了通过用涂覆碳质材料涂覆高结晶度碳质材料并煅烧高结晶度芯碳质材料制备的二次电池用阳极材料,其中阳极材料的比体积为0.002cc / g,或 减。 本发明的二次电池用阳极材料可以通过用涂覆碳素材料涂覆高结晶度的碳质材料并进行预定的煅烧工艺来制造,并且阳极材料可以具有增加的微孔的体积比。 因此,本发明的二次电池可以用于提高充电/放电容量和效率,因为锂离子在阳极材料中的吸附得到改善。
    • 6. 发明申请
    • NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, PREPARATION METHOD OF THE SAME, AND LITHIUM SECONDARY BATTERY CONTAINING THE SAME
    • 用于锂二次电池的负极电极活性材料,其制备方法和含有该二次电池的锂二次电池
    • US20110262812A1
    • 2011-10-27
    • US12990177
    • 2009-04-28
    • Kyung-Hee HanJeong-Hun OhJong-Sung KimChul YoumJung-Min Han
    • Kyung-Hee HanJeong-Hun OhJong-Sung KimChul YoumJung-Min Han
    • H01M4/583H01B1/04B82Y30/00B82Y40/00
    • H01M4/587H01M4/362H01M4/364H01M10/052
    • The present invention relates to a negative electrode active material for a lithium secondary battery, a preparation method thereof, and a lithium secondary battery containing the negative electrode active material. The negative electrode active material for the lithium secondary battery according to the present invention is formed by mixing: a carbon material coated with vapor growth carbon fiber (VGCF) and amorphous graphite; and one or more kinds of other carbon material selected from natural graphite, artificial graphite, amorphous-coated graphite, resin-coated graphite and amorphous carbon. According to the present invention, when the negative electrode active material is prepared, the carbon fiber is uniformly dispersed throughout the carbon material, and the carbon material is coated with the amorphous graphite and then mixed with other carbon materials, and thus, a high electrode density can be achieved. Accordingly, even with high electrode density, the invention can provide the negative electrode active material with excellent electrochemical properties such as charge/discharge efficiency and cycle characteristics.
    • 本发明涉及锂二次电池用负极活性物质及其制备方法以及含有负极活性物质的锂二次电池。 根据本发明的锂二次电池用负极活性物质是通过混合涂覆有气相生长碳纤维(VGCF)和无定形石墨的碳材料形成的; 以及选自天然石墨,人造石墨,非晶涂覆石墨,树脂涂覆石墨和无定形碳中的一种或多种其它碳材料。 根据本发明,制备负极活性物质时,碳纤维均匀分散在碳材料中,碳材料被非晶质石墨覆盖,然后与其他碳材料混合,从而形成高电极 密度可以达到。 因此,即使高电极密度,本发明也可以提供具有优异的电化学性能如充电/放电效率和循环特性的负极活性材料。
    • 7. 发明授权
    • Anode material for secondary battery, method for producing the same and secondary batteries using the same
    • 二次电池用阳极材料及其制造方法以及使用其的二次电池
    • US07776472B2
    • 2010-08-17
    • US11653330
    • 2007-01-12
    • Ho-Gun KimJong-Sung KimDong-Hun ShinChul YoumJeong-Hun Oh
    • Ho-Gun KimJong-Sung KimDong-Hun ShinChul YoumJeong-Hun Oh
    • H01M4/58H01M4/88H01B1/04
    • H01M4/587
    • Disclosed are an anode material for a secondary battery, a method for producing the same and a secondary battery using the same. The present invention provides the anode material for a secondary battery produced by coating a high-crystallinity core carbonaceous material with a coating carbonaceous material and calcinating the high-crystallinity core carbonaceous material, wherein the anode material has a specific volume of 0.002 cc/g or less. The anode material for a secondary battery of the present invention may be produced by coating a high-crystallinity core carbonaceous material with a coating carbonaceous material and undergoing a predetermined calcination process, and the anode material can have an increased volume ratio of the micropores. Accordingly, the secondary battery of the present invention may be useful to improve charging/discharging capacity and efficiency since sorption of lithium ion in the anode material is improved.
    • 公开了二次电池的负极材料及其制造方法以及使用该二次电池的二次电池。 本发明提供了通过用涂覆碳质材料涂覆高结晶度碳质材料并煅烧高结晶度芯碳质材料制备的二次电池用阳极材料,其中阳极材料的比体积为0.002cc / g,或 减。 本发明的二次电池用阳极材料可以通过用涂覆碳素材料涂覆高结晶度的碳质材料并进行预定的煅烧工艺来制造,并且阳极材料可以具有增加的微孔的体积比。 因此,本发明的二次电池可以用于提高充电/放电容量和效率,因为锂离子在阳极材料中的吸附得到改善。
    • 8. 发明申请
    • FABRICATING METHOD OF SECONDARY BATTERY
    • 二次电池制作方法
    • US20130189569A1
    • 2013-07-25
    • US13553528
    • 2012-07-19
    • Chul Youm
    • Chul Youm
    • H01M10/00H01M2/08
    • H01M10/0583H01M10/04H01M10/052H01M10/0585Y10T29/4911
    • A fabrication method of a secondary battery having excellent electrolyte impregnating characteristics and excellent productivity without fracture of an electrode plate or separation of an active material is disclosed. The fabrication method includes providing a plurality of first electrode plates and second electrode plates and two separators, attaching the plurality of first electrode plates to portions between the two separators, attaching the plurality of second electrode plates to one of the two separators, winding the separators having the plurality of first and second electrode plates to form a wound electrode assembly, removing curved portions of the outermost separators positioned at exterior sides of the first and second electrode plates to form a stacked electrode assembly and accommodating the stacked electrode assembly in a sheath member.
    • 公开了具有优异的电解液浸渍特性和优异的生产率而不断裂电极板或分离活性材料的二次电池的制造方法。 该制造方法包括提供多个第一电极板和第二电极板以及两个分离器,将多个第一电极板连接到两个隔板之间的部分,将多个第二电极板连接到两个隔板中的一个上,将隔板 具有多个第一和第二电极板以形成卷绕的电极组件,去除位于第一和第二电极板的外侧的最外层隔板的弯曲部分,以形成堆叠的电极组件,并将堆叠的电极组件容纳在护套构件中 。