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公开(公告)号：KR1020090023263A
公开(公告)日：2009-03-04
申请号：KR1020080085005
申请日：2008-08-29
Applicant: 한국전기연구원
CPC classification number: H05B3/20 , H05B3/03 , H05B3/12 , H05B3/28 , H05B2203/017 , H05B2203/026
Abstract: A sheet type heater and a heating device including the same are provided to radiate a far infrared ray in a whole range of a heater in driving the heater by adding far infrared radiation material to the heater. A sheet type heater includes a heating electrode(3). Material of the electrode is a mixture of carbon and bonding agent, and is dispersed in slurry. The slurry is coated on insulating material(2). The heating electrode is formed on a predetermined region of a top of the insulating material. Weight of carbon included in the heating electrode is 5~40 parts by weight. The carbon includes at least one or more conductive carbon selected from group composed of natural graphite, artificial graphite, carbon black, denka black, super-P black, activated carbon, vapor growth carbon fiber, carbon fiber, graphite nano fiber, and carbon nano fiber.
Abstract translation: 提供片式加热器和包括该片式加热器的加热装置，通过向加热器添加远红外线辐射材料来驱动加热器的整个范围内的远红外线。 片状加热器包括加热电极（3）。 电极的材料是碳和粘合剂的混合物，并分散在浆料中。 浆料涂覆在绝缘材料（2）上。 加热电极形成在绝缘材料的顶部的预定区域上。 加热电极中所含的碳的重量为5〜40重量份。 碳包括选自由天然石墨，人造石墨，炭黑，黑炭黑，超P黑，活性炭，气相生长碳纤维，碳纤维，石墨纳米纤维和碳纳米管组成的组中的至少一种以上的导电性碳 纤维。
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公开(公告)号：KR100836515B1
公开(公告)日：2008-06-12
申请号：KR1020070019370
申请日：2007-02-27
Applicant: 한국전기연구원
CPC classification number: H01M4/366 , H01M4/387 , H01M4/5805 , H01M4/621 , H01M10/0525 , H01M10/0568 , H01M10/0569 , H01M2300/0028 , Y02E60/122
Abstract: A lithium secondary battery is provided to exhibit excellent specific capacitance even if the battery is charged at voltage higher than 4.2 V, and to secure a long life without any deterioration problem even after charge and discharge cycles. A lithium secondary battery includes a negative electrode active material-containing negative electrode, a positive electrode active material-containing positive electrode, and a non-aqueous electrolyte. The positive electrode active material is a LiCoO2 active material having an active type LiCoPO4 thin film formed by coating of Co3(PO4)2. The negative electrode active material comprises Sn_aCu_b(a:b=3:8-8:3) coated with carbon. The non-aqueous electrolyte includes a lithium salt and a non-aqueous organic solvent comprising at least one selected from dimethyl carbonate, diethyl carbonate, dipropyl carbonate, methyl propyl carbonate, ethyl propyl carbonate, and ethyl methyl carbonate, and at least one selected from cyclic carbonates comprising ethylene carbonate, propylene carbonate, and butylene carbonate.
Abstract translation: 即使在高于4.2V的电压下对电池进行充电，也能够提供锂二次电池，具有优异的比电容，即使在充放电循环之后也能够确保长时间的使用而不会发生劣化问题。 锂二次电池包括含负极活性物质的负极，含正极活性物质的正极和非水电解质。 正极活性物质是具有由Co 3（PO 4）2涂布而形成的活性型LiCoPO 4薄膜的LiCoO 2活性物质。 负极活性物质包含涂覆有碳的Sn_aCu_b（a：b = 3：8-8：3）。 非水电解质包括锂盐和非水有机溶剂，其包含选自碳酸二甲酯，碳酸二乙酯，碳酸二丙酯，碳酸甲丙酯，碳酸甲乙酯和碳酸甲乙酯中的至少一种，以及选自以下的至少一种： 碳酸亚乙酯，碳酸亚丙酯和碳酸亚丁酯的环状碳酸酯。
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公开(公告)号：KR100784124B1
公开(公告)日：2007-12-12
申请号：KR1020060106359
申请日：2006-10-31
Applicant: 한국전기연구원
CPC classification number: H01M4/1393 , H01M4/661 , H01M4/663 , H01M4/669 , H01M10/0525 , H01M2004/027 , Y02E60/122
Abstract: A method for preparing a thin film electrode and a lithium secondary battery containing the thin film electrode prepared by the method are provided to allow the thickness of a carbon thin film to be controlled easily and to improve specific capacity. A method for preparing a thin film electrode comprises the step of contacting the surface of a current collector with a gas mixture comprising a carbon-containing gas at a temperature of 700-1,200 deg.C to form a carbon thin film having a thickness of 0.023-1.086 micrometers on the surface of the current collector, wherein the thickness of the carbon thin film is controlled by controlling the temperature. The thickness of the carbon thin film is increased according to the increase of temperature.
Abstract translation: 提供了制备薄膜电极的方法和包含通过该方法制备的薄膜电极的锂二次电池，以便容易地控制碳薄膜的厚度并提高比容量。 制备薄膜电极的方法包括使集电体的表面与包含含碳气体的气体混合物在700-1200℃的温度下接触以形成厚度为0.023的碳薄膜的步骤 在集电体表面上为-1.086微米，其中通过控制温度来控制碳薄膜的厚度。 碳薄膜的厚度随着温度的升高而增加。
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公开(公告)号：KR100991376B1
公开(公告)日：2010-11-02
申请号：KR1020080085005
申请日：2008-08-29
Applicant: 한국전기연구원
Abstract: 본 발명은 절연제 상부의 소정영역에 형성된 발열저항체를 포함하여 이루어진 면상 발열체로서, 상기 발열저항체는 결합제가 용제에 용해된 상태에서 탄소가 분산되어 이루어진 용해형 전극 혼합재를 절연제 상부에 도포하여 제조되고, 상기 발열저항체에 함유되는 탄소의 중량은 5~40 중량부인 면상 발열체를 제공하며, 결합제를 용제에 용해시킨 후 탄소를 고르게 분산시킨 후 절연제에 도포하여 발열저항체를 제조함으로써, 발열저항체의 균일한 비저항을 도모하고 단선을 방지할 뿐 아니라 용융 압출 가공시에 기재와 전극의 접착시 압력 및 열에 의해 전극의 물성이 변화하고 손상이 가는 문제점을 해결할 수 있고, 매우 얇고 유연성이 있는 필름 또는 시트형으로도 면상 발열체의 구현이 가능해진다.
면상 발열체, 발열저항체-
公开(公告)号：KR1020090074428A
公开(公告)日：2009-07-07
申请号：KR1020080000203
申请日：2008-01-02
Applicant: 한국전기연구원 , 주식회사 엘 앤 에프
CPC classification number: H01M10/052 , H01M4/131 , H01M4/364 , H01M4/485 , H01M4/621 , H01M4/624 , Y02E60/12
Abstract: A lithium ion secondary battery is provided to ensure high efficiency and high-capacity by using a negative electrode having coulomb efficiency, high specific capacity and excellent cycle lifetime property. A lithium ion secondary battery comprises a negative electrode with initial coulombic efficiency of 90% or greater, a positive electrode with an LiCoO2 positive electrode active material, and an ion conductor. The negative electrode comprises a negative electrode active material including a non-carbonaceous, a binder, and a conductive material.
Abstract translation: 提供锂离子二次电池，通过使用具有库仑效率，高比容量和优异的循环寿命特性的负极来确保高效率和高容量。 锂离子二次电池包括初始库仑效率为90％以上的负极，具有LiCoO 2正极活性物质的正极和离子导体。 负极包括含有非碳质，粘合剂和导电材料的负极活性物质。
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Patent Agency Ranking
公开(公告)号：KR100899549B1
公开(公告)日：2009-05-26
申请号：KR1020070098813
申请日：2007-10-01
Applicant: 한국전기연구원 , 에스케이머티리얼즈 주식회사
Abstract: 본 발명은 비탄소계 화합물을 포함하는 음극 활물질, 결합제 및 도전재를 포함하여 이루어진 리튬이차전지용 음극으로서, 초기 쿨롱 효율이 85% 이상인 리튬이차전지용 음극 및 전처리를 통한 고용량 특성을 나타내는 비탄소계를 포함하는 전극의 제조방법을 제공한다. 또한 상기 특징적인 전극을 구비한 고효율, 고에너지 장수명의 리튬이차전지를 제공한다.
리튬 이차 전지, 음극 활물질, 고효율화, 실리콘, 주석 산화물-
公开(公告)号：KR1020090032463A
公开(公告)日：2009-04-01
申请号：KR1020070097734
申请日：2007-09-28
Applicant: 한국전기연구원
CPC classification number: H01M2/1646 , H01M4/66 , H01M10/0525 , H01M10/0569 , H01M2300/0028 , Y02E60/122
Abstract: A method for manufacturing a thin tin film electrode is provided to coat a surface of a current collector by simply controlling the quantity of electricity in a non-aqueous condition so as to produce a battery with excellent charging and discharging properties. A method for manufacturing a thin tin film electrode comprises the following steps of: preparing a non-aqueous electrolyte having tin ions inside; applying current to a relative electrode and a current electrode used as a target electrode; and extracting tin from the non-aqueous electrolyte to obtain a thin tin film on a surface of the current electrode. The non-aqueous electrolyte is one or more organic solvents selected from the group consisting of propylene carbonate, ethylene carbonate, dimethyl carbonate, and ethylmethyl carbonate.
Abstract translation: 提供一种制造薄锡膜电极的方法，通过简单地在非水性条件下控制电量来涂覆集电器的表面，从而制造具有优异充电和放电性能的电池。 一种薄锡膜电极的制造方法，其特征在于，包括以下步骤：在内部制备含有锡离子的非水电解质; 将电流施加到用作目标电极的相对电极和电流电极; 并从非水电解质中提取锡，以在当前电极的表面上获得薄锡膜。 非水电解质是选自碳酸亚丙酯，碳酸亚乙酯，碳酸二甲酯和碳酸甲乙酯的一种或多种有机溶剂。
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公开(公告)号：KR100814329B1
公开(公告)日：2008-03-18
申请号：KR1020060098163
申请日：2006-10-09
Applicant: 한국전기연구원 , 에스케이머티리얼즈 주식회사
CPC classification number: H01M4/364 , C01P2004/03 , H01M4/0471 , H01M4/366 , H01M4/623 , H01M2004/027
Abstract: An anode active material is provided to improve electrochemical properties including conductivity and charge/discharge characteristics, and to inhibit a swelling phenomenon during repeated charge/discharge cycles. An anode active material for a lithium secondary battery comprises a composite of FexMnySi (wherein each of x and y is greater than 0 and equal to or less than 2) doped with a dopant, wherein the composite of FexMnySi is coated with a carbon precursor and then heat treated. The carbon precursor is at least one material selected from the group consisting of pitch and conductive polymers. The carbon precursor is coated on the composite in an amount of 2-20 parts by weight based on 100 parts by weight of the composite.
Abstract translation: 提供阳极活性材料以改善电化学性质，包括导电性和充电/放电特性，并且在重复充电/放电循环期间抑制膨胀现象。 用于锂二次电池的负极活性材料包括掺杂有掺杂剂的FexMnySi（其中x和y各自大于0且等于或小于2）的复合材料，其中FexMnySi的复合物涂覆有碳前体和 然后进行热处理。 碳前体是选自沥青和导电聚合物的至少一种材料。 基于100重量份的复合材料，碳前体以2-20重量份的量涂覆在复合材料上。
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公开(公告)号：KR100911728B1
公开(公告)日：2009-08-10
申请号：KR1020070097734
申请日：2007-09-28
Applicant: 한국전기연구원
Abstract: 본 발명은, 주석이온이 포함되어 있는 비수전해액을 준비하는 단계; 및 작업전극으로 집전체를 사용하고 상기 작업전극과 상대전극에 전류를 인가하여 주석을 집전체 표면에 석출시켜 주석박막을 얻는 단계를 포함하여 이루어진 주석 박막전극의 제조방법 및 박막 전지를 제공한다. 본 발명에 따른 박막 전극의 제조방법은 비수계 조건에서 간편한 전기량 제어로 집전체 표면에 제막을 할 수 있으며, 제조된 박막 전극은 우수한 가역성의 충·방전 특성을 나타내어 박막 리튬이차전지용 음극으로 적용될 수 있다.
박막 전극, 주석 박막전극, 비수전해액Abstract translation: 提供一种制造薄锡膜电极的方法，通过简单地在非水性条件下控制电量来涂覆集电器的表面，从而制造具有优异充电和放电性能的电池。 一种薄锡膜电极的制造方法，其特征在于，包括以下步骤：在内部制备含有锡离子的非水电解质; 将电流施加到用作目标电极的相对电极和电流电极; 并从非水电解质中提取锡，以在当前电极的表面上获得薄锡膜。 非水电解质是选自碳酸亚丙酯，碳酸亚乙酯，碳酸二甲酯和碳酸甲乙酯的一种或多种有机溶剂。
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公开(公告)号：KR1020090074429A
公开(公告)日：2009-07-07
申请号：KR1020080000204
申请日：2008-01-02
Applicant: 한국전기연구원 , 주식회사 엘 앤 에프
IPC: H01M4/36 , H01M4/62 , H01M10/052
CPC classification number: H01M4/5805 , H01M4/362 , H01M4/366 , H01M4/622 , H01M4/625 , H01M10/0525 , Y02E60/122
Abstract: A lithium secondaty battery of high efficiency and high voltage is provided to ensure specific capacity by comprising a negative electrode showing high initial coulombic efficiency and long life. A lithium secondaty battery of high efficiency and high voltage comprises a positive electrode, a negative electrode and an ion conductor. The positive electrode comprises a LiCoO2 active material formed on the surface of an active LiCoPO4 thin layer by applying Co3(PO4)2; a conductive material; and a binder. The negative electrode comprises a negative electrode active material including an SiOx-graphite composite, a conductive material, and a binder.
Abstract translation: 提供高效率和高电压的锂二次电池，以通过包括显示高初始库仑效率和长寿命的负极来确保比容量。 高效率和高电压的锂二次电池包括正极，负极和离子导体。 正极包括通过施加Co 3（PO 4）2在活性LiCoPO 4薄层的表面上形成的LiCoO 2活性材料; 导电材料; 和粘合剂。 负极包括含有SiOx-石墨复合物，导电材料和粘合剂的负极活性物质。
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