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公开(公告)号：KR100490642B1
公开(公告)日：2005-05-19
申请号：KR1020027013106
申请日：2001-01-31
Applicant: 한국과학기술연구원
IPC: H01M10/05
CPC classification number: H01M2/1653 , H01M2/1686 , H01M10/052 , H01M10/056 , H01M10/0565 , H01M2300/0094
Abstract: 본 발명은 다층구조의 고분자 전해질 및 이를 포함하는 리튬이차전지에 관한 것이다. 보다 구체적으로는, 아래의 조성을 포함하는 다층구조의 고분자 전해질 및 이를 포함하는 리튬이차전지에 관한 것이다.
A) 고분자 전해질, PP, PE, PVdF, 부직포 등의 분리막 층,
B) a) PAN계 고분자 5-90 중량%,
b) PVdF계 고분자 및 PMMA계 고분자로 구성되는 군에서 선택되는 고분자 5-80 중량%, 및
c) PVC계 고분자 및 PVdF계 고분자로 구성되는 군에서 선택되는 고분자 5-80중량%로 구성되고, 상기 분리막의 한면 또는 양면에 도포되는 젤상 고분자 전해질층, 및
C) 리튬염이 유기 용매에 용해되어 있는 유기전해액.-
2.发明授权
公开(公告)号：KR100374010B1
公开(公告)日：2003-02-26
申请号：KR1020000040021
申请日：2000-07-12
Applicant: 한국과학기술연구원
IPC: H01M4/04
Abstract: 본 발명은, 진공오븐에서 전처리한 전극용 금속산화물 입자를 유동층 화학증착 반응기에 장입하는 단계, 비활성 가스를 상기 반응기에 공급하여 상기 입자를 유동화시키는 단계, 및 상기 입자에 유기금속전구체를 전구체 동반가스에 의해 상기 반응기내로 공급하거나 또는 유기 금속이 용해된 용액을 분사시켜, 열분해 및 화학증착반응에 의해 상기 입자위에 금속 또는 금속산화물을 1∼300 nm 두께로 코팅하는 단계를 포함하는 금속산화물 전극재료 분말의 표면 개질 방법이 제공된다. 본 발명에 의해 전극의 전도성이 향상되어 고율충방전특성, 싸이클특성 및 전극용량의 증가가 있던 것에 더하여 전극의 성형성이 우수하였으며, 전류 집전체와의 결합력이 우수하였고 또한 전극 활물질간의 결합력이 우수한, 리튬이차전지의 양극용 금속산화물을 얻을 수 있다. 또한 본 발명은 각종 소형 전자기기, 통신기기 및 전기자동차의 전원용등 다양한 산업분야에 응용할 수 있는 고성능 리튬전지용 전극의 제조방법을 제공할 수 있으므로, 각종 기기의 국산화, 수입대체 및 수출증대 효과를 가질 수 있다.
Abstract translation: 目的：提供一种改性用于锂二次电池的阳极的金属氧化物电极材料粉末的表面的方法和通过该方法制备的表面改性的电极材料粉末，以提高电极的导电性和可成形性。 构成：该方法包括以下步骤：将用于在真空烘箱中预处理的电极的金属氧化物颗粒加载到流化床化学气化反应器中; 向反应器中供应惰性气体以流化颗粒; 并通过使用伴随气体将有机金属前体提供给颗粒，或者将有机金属化合物溶解的溶液喷射到颗粒中，通过热解和化学汽化涂覆颗粒，由此形成厚度为1μm的金属或金属氧化物涂层， 300纳米。 优选涂覆的金属或金属氧化物选自Li，Al，Sn，Bi，Si，Sb，Ni，Cu，Ti，V，Cr，Mn，Fe，Co，Ag，Zr，Mo，Au， Ru，Pd，In，Pt，Ir，它们的合金以及它们的金属氧化物。
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公开(公告)号：KR1020030007632A
公开(公告)日：2003-01-23
申请号：KR1020027015453
申请日：2000-05-19
Applicant: 한국과학기술연구원
IPC: H01M10/05
CPC classification number: H01M10/058 , H01M2/145 , H01M2/162 , H01M2/1673 , H01M10/052 , H01M10/056 , H01M10/0565
Abstract: PURPOSE: Provided are a novel hybrid polymer electrolyte, a lithium secondary battery comprising the hybrid polymer electrolyte polymer and their fabrication methods. CONSTITUTION: The hybrid polymer electrolyte comprises superfine fibrous porous polymer matrix with particles having diameter of 1 - 3000 nm, polymers and lithium salt-dissolved organic electrolyte solutions incorporated into the porous polymer matrix. The hybrid polymer electrolyte has advantages of better adhesion with electrodes, good mechanical strength, better performance at low and high temperatures, better compatibility with organic electrolytes of a lithium secondary battery and it can be applied to the manufacture of lithium secondary batteries.
Abstract translation: 目的：提供一种新型的混合聚合物电解质，包含该混合聚合物电解质聚合物的锂二次电池及其制造方法。 构成：混合聚合物电解质包含掺有多孔聚合物基质的聚合物和锂盐溶解的有机电解质溶液的超微细纤维多孔聚合物基体，其具有直径为1-1000nm的颗粒。 混合聚合物电解质具有电极粘附性好，机械强度高，在低温和高温下性能更好的优点，与锂二次电池的有机电解质的相容性更好，可用于锂二次电池的制造。
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公开(公告)号：KR100329809B1
公开(公告)日：2002-03-25
申请号：KR1020000011008
申请日：2000-03-06
Applicant: 한국과학기술연구원
IPC: H01M4/02
Abstract: 본 발명은 음극활물질, 양극활물질 및 전해질을 포함하는 리튬이차전지에 있어서, 상기 음극활물질이 금속 주석 및 리튬 산화물을 포함하는 것을 특징으로 하는 리튬이차전지에 관한 것이다. 상기 음극활물질은 주석층/리튬산화물층/주석층으로 순차 적층된 조성변조상, 또는 주석과 리튬산화물이 혼합된 복합상으로 구성되어 있다.
주석/리튬 산화물을 리튬이차전지용 음극활물질로 사용함에 의해 리튬의 삽입ㆍ방출 반응시 나타나는 체적변화를 수용하여 초기 쿨롱효율을 높이고, 수명특성을 향상시킨, 안정한 음극을 제조할 수 있다. 그리고 기존의 주석산화물은 열처리 과정을 동반하지만, 본 발명에 의한 조성변조상/복합상 구조의 주석산화물은 별도의 열처리 공정이 필요 없기 때문에 비용의 절감뿐 만 아니라, 고분자 필름 위에 구현하는 것도 가능하므로 매우 유용하다.-
公开(公告)号：KR1020010112731A
公开(公告)日：2001-12-21
申请号：KR1020000032150
申请日：2000-06-12
Applicant: 한국과학기술연구원
IPC: H01M4/36
CPC classification number: H01M4/131 , H01M4/1391 , H01M4/485 , H01M4/624 , H01M4/626 , H01M10/052
Abstract: The present invention is a modular jack assembly which includes an outer insulative housing having top and bottom walls and opposed lateral walls while defining an interior section. This housing also has front and rear open ends. This assembly also includes an insulative insert having a top section, an upper side and a rear section having a base side and a recess. This jack is positioned so that the upper side of its top section is adjacent to top side of the insulative housing such that its terminal end extends into the interior section of the insulative housing and the rear section at least partially covers the rear open end of the insulative housing. This assembly also includes an electronic component mounted in the recess in the rear section of the insulative insert. A conductor is mounted in the electrical insert.
Abstract translation: 本发明是一种模块化插座组件，其包括具有顶壁和底壁以及相对的侧壁同时限定内部部分的外绝缘外壳。 该外壳还具有前端和后端开口端。 该组件还包括具有顶部，上侧和后部的绝缘插入件，其具有基部侧和凹部。 这个千斤顶定位成使得其顶部的上侧邻近绝缘壳体的顶侧，使得其顶端延伸到绝缘壳体的内部部分中，并且后部部分至少部分地覆盖绝缘壳体的后开口端 绝缘住房 该组件还包括安装在绝缘插入件的后部中的凹部中的电子部件。 导体安装在电气插件中。
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Patent Agency Ranking
公开(公告)号：KR1020010097673A
公开(公告)日：2001-11-08
申请号：KR1020000021951
申请日：2000-04-25
Applicant: 한국과학기술연구원
IPC: H01M4/00
CPC classification number: Y02E60/13
Abstract: PROBLEM TO BE SOLVED: To provide a thin film super capacitor that can be applied to ultra- compact precision parts and the power source of information communication equipment by composing a thin film battery in a hybrid and individually, the manufacturing method of the thin film super capacitor, and a hybrid battery utilizing the thin film super capacitor. SOLUTION: A lower electrode thin film (23) with a thickness of 4 μm or less is formed on a substrate (20), a solid electrolyte thin film (24) with a thickness of 5 μm or less is formed on the lower electrode thin film (23), and an upper electrode thin film (25) with a thickness of 4 μm or less is formed on the solid electrolyte thin film (24), thus composing the thin film super capacitor. By utilizing the thin film super capacitor, the hybrid battery is composed.
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公开(公告)号：KR100298146B1
公开(公告)日：2001-09-26
申请号：KR1019990008487
申请日：1999-03-13
Applicant: 한국과학기술연구원
IPC: H01M4/62
Abstract: 본발명은, 카본입자표면에 1∼300 nm의두께로전이금속또는금속산화물층이형성된리튬이차전지용음극활물질과, 전이금속또는금속염화물을알코올류용매에, 바람직하게는 0.1∼2 mol의농도로, 녹여졸 용액을만들고, 상기졸 용액이 pH 1.5 이하의겔 용액이될 때까지교반한후, 카본을상기겔 용액에침적시키고카본과겔 용액이충분히접촉할수 있도록교반을계속하고, 이렇게얻어진겔 용액을여과하여겔 성분을 1∼300 nm의두께로카본입자표면에형성시킨카본을얻고이를열처리하여전이금속또는금속산화물층을 1 ∼ 300 nm의두께로카본입자표면에형성시키는, 바람직하게는산소를함유하는분위기에서 200∼800℃의온도범위에서열처리하는리튬이차전지용음극활물질의제조방법을제공한다.
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公开(公告)号：KR1020010082917A
公开(公告)日：2001-08-31
申请号：KR1020000008484
申请日：2000-02-22
Applicant: 한국과학기술연구원
IPC: H01M10/38
CPC classification number: H01M4/04 , H01M4/0402 , H01M4/0421 , H01M4/0426 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/587 , Y10T428/31678
Abstract: PURPOSE: A carbon electrode coated with porous metal thin film, its preparation method and a lithium secondary battery using the electrode are provided, to improve the capacity, charge/discharge rate, lifetime of a battery. CONSTITUTION: The carbon electrode is coated with porous metal thin film with the thickness of several Angstrom to several micrometers. The method comprises the steps of placing a carbon electrode roll in a vacuum chamber; unwinding the carbon electrode off the roll and rewinding it round another roll, to coat the carbon electrode by using an evaporated metal between the two rolls; and stabilizing the carbon electrode under vacuum at specific temperature. Preferably the carbon electrode is made of graphite, coke or hard carbon; the porous metal is selected from Li, Al, Sn, Bi, Si, Sb, Ni, Ti, V, Cr, Mn, Fe, Co, Zn, Mo, W, Ag, Au, Pt, Ru, Ir, In and their mixtures; and the stabilization process is carried out under vacuum below 10-1 torr at 20-100 deg.C for 1-24 hours. The lithium secondary battery comprises the carbon electrode; and an anode which is made of LiCoO2, LiMn2O4, LiNiO2, V6O13 or V2O5.
Abstract translation: 目的：提供涂覆有多孔金属薄膜的碳电极及其制备方法和使用该电极的锂二次电池，以提高电池的容量，充放电率，寿命。 构成：碳电极涂覆有几埃至几微米厚度的多孔金属薄膜。 该方法包括将碳电极辊放置在真空室中的步骤; 将碳电极从辊子上退绕并在另一个辊子上卷绕，通过在两个辊子之间使用蒸发的金属涂覆碳电极; 并在特定温度下在真空下稳定碳电极。 优选地，碳电极由石墨，焦炭或硬碳制成; 多孔金属选自Li，Al，Sn，Bi，Si，Sb，Ni，Ti，V，Cr，Mn，Fe，Co，Zn，Mo，W，Ag，Au，Pt，Ru，Ir，In和 他们的混合物 稳定过程在20-100℃真空下在10-1乇以下进行1-24小时。 锂二次电池包括碳电极; 和由LiCoO 2，LiMn 2 O 4，LiNiO 2，V 6 O 13或V 2 O 5制成的阳极。
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公开(公告)号：KR1020000060301A
公开(公告)日：2000-10-16
申请号：KR1019990008487
申请日：1999-03-13
Applicant: 한국과학기술연구원
IPC: H01M4/62
Abstract: PURPOSE: A cathode active material for a lithium secondary battery and a manufacturing method thereof are provided to drastically reduce deterioration of an electrode capacity due to battery charge/discharge, to cause a capacity of the electrode active material to be the closest to a theoretical capacity, to realize a superior electrode capacity and cycle property, to improve a high-rate charge/discharge property, and to increase binding power and conductivity with a current collector. CONSTITUTION: A carbon particle have a transition metal or a metal oxide layer of a thickness from 1 to 300 nm on a surface thereof. A method for manufacturing a cathode active material for a lithium secondary battery comprises the following steps. A first step is dissolving the cathode active material, having the transition metal or the metal oxide layer of a thickness from 1 to 300 nm on the surface of the carbon particle, and the transition metal or the metal chloride into an alcoholic solvent. A second step is mixing the gel solution until becoming a gel solution of less than pH 1.5. A third step is filtering the gel solution so as to obtain a carbon having a gel ingredient of a thickness from 1 to 300 nm on a surface thereof, and heating the same so as to form a transition metal or a metal oxide layer having its thickness 1-300 nm on the surface of the carbon particle.
Abstract translation: 目的：提供一种用于锂二次电池的阴极活性材料及其制造方法，以极大地减少电池充电/放电引起的电极容量的劣化，使电极活性物质的容量最接近理论容量 ，以实现优异的电极容量和循环性能，以提高高速率充电/放电性能，并且利用集电体增加粘合力和导电性。 构成：碳颗粒在其表面上具有厚度为1至300nm的过渡金属或金属氧化物层。 一种锂二次电池用正极活性物质的制造方法，其特征在于，具有以下工序。 第一步是将具有1〜300nm的过渡金属或金属氧化物层的正极活性物质溶解在碳粒子的表面上，将过渡金属或金属氯化物溶解成醇溶剂。 第二步是将凝胶溶液混合直至成为小于pH1.5的凝胶溶液。 第三步骤是过滤凝胶溶液，以获得其表面上具有1至300nm厚度的凝胶成分的碳，并加热该碳以形成其厚度的过渡金属或金属氧化物层 在碳颗粒表面上1-300nm。
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公开(公告)号：KR1020000003092A
公开(公告)日：2000-01-15
申请号：KR1019980024196
申请日：1998-06-25
Applicant: 한국과학기술연구원
IPC: H01M10/05
CPC classification number: H01M10/0525 , H01M4/1391 , H01M4/1393 , H01M10/0565 , H01M10/0585
Abstract: PURPOSE: A method for manufacturing a multicomponent system solid high molecule electrolyte is provided having an excellent adhesion and a mechanical strength for easily manufacturing a battery. CONSTITUTION: A method for manufacturing a multicomponent system sold high molecule electrolyte comprises: mixing more than one compound selected from a group composes of 5¯90 wt% of a poly-methyl-methacrylate(PMMA) system compound, a poly-acrylonitrile(PAN) system compound, a PVC system compound and a poly-vinylidene fluoride(PVdF) system compound to lower than 80 wt%; mixing a plasticizer and an organic solvent to the PMMA/PAN/PVC/PVdF compound; casting and drying the compound for obtaining a solid high molecule film; and injecting a lithium chloride dissolved organic solvent electrolyte.
Abstract translation: 目的：提供一种用于制造多组分固体高分子电解质的方法，其具有优异的粘附性和机械强度，用于容易地制造电池。 构成：制造销售高分子电解质的多组分体系的方法包括：混合多于一种选自5-90wt％的聚甲基丙烯酸甲酯（PMMA）体系化合物，聚丙烯腈（PAN） ）系统化合物，PVC系统化合物和聚偏二氟乙烯（PVdF）体系化合物，低于80重量％; 将增塑剂和有机溶剂混合到PMMA / PAN / PVC / PVdF化合物中; 浇铸和干燥该化合物以获得固体高分子膜; 并注入氯化锂溶解的有机溶剂电解质。
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