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公开(公告)号：KR101063214B1
公开(公告)日：2011-09-07
申请号：KR1020080120056
申请日：2008-11-28
CPC classification number: H01M4/5825 , H01M4/621 , H01M4/623 , H01M4/625 , H01M10/052
Abstract: 본 발명은 리튬이차전지용 구형 양극 활물질의 제조방법에 관한 것으로서, 더욱 상세하게는 리튬계 화합물, 전이금속, 인산계 화합물 및 카본 공급원을 포함하는 혼합 원료를 초순수물에 균일하게 용해시킨 후 동결 구형화기에 넣어 급속 동결 후 승화시켜 고밀도 구형상 전구체를 제조하고 열처리하는 리튬이차전지용 구형 양극 활물질의 제조방법에 관한 것이다.
본 발명의 리튬이차전지용 구형 양극 활물질은 결정성이 우수하며, 카본 공급원의 영향으로 전기전도도가 우수하며, 입자 형상을 구형화함으로써 전극제조에 유리한 물질의 제조가 가능하다.
리튬이차전지, 양극 활물질, 동결 구형화기, 전기전도도-
公开(公告)号：KR101575438B1
公开(公告)日：2015-12-07
申请号：KR1020130165867
申请日：2013-12-27
Applicant: 현대자동차주식회사 , 성균관대학교산학협력단
CPC classification number: H01M4/366 , C23C16/24 , H01M4/0428 , H01M4/134 , H01M4/1395 , H01M4/386 , H01M4/661 , H01M4/669 , H01M10/052 , H01M2004/027 , H01M2220/20 , Y02E60/122
Abstract: 본발명은리튬기반전지음극을위한니켈실리사이드나노와이어에임베디드된실리콘나노와이어구조체에관한것으로서, 더욱상세하게는 NiSi나노와이어에 Si 나노와이어를플렉서블하게임베딩시켜서 Si 나노와이어가 Li과의합금화에의해팽창할때나배터리사용시수축할때 나타나는나노와이어가전류수집기로부터연결이끊어지는문제점등을개선한 NiSi나노와이어에임베디드된 Si 나노와이어구조체와이를포함하는애노드에관한것이다.
Abstract translation: 本发明提供一种嵌入镍硅化物纳米线中的硅纳米线结构，用于锂基电池阳极和包括其的阳极。 特别地，嵌入根据本发明的NiSix纳米线中的Si纳米线结构可以提供一个问题的解决方案，例如当Si纳米线通过与Li的合金膨胀或在使用期间收缩时，从集电器显示出Si纳米线的断开 的电池等，通过将Si纳米线柔性地嵌入NiSix纳米线中。
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公开(公告)号：KR1020150068244A
公开(公告)日：2015-06-19
申请号：KR1020130154250
申请日：2013-12-11
Applicant: 현대자동차주식회사
Abstract: 베이스; 양극집전체부와음극집전체부로구성되고, 상기베이스의일면에소정의거리만큼이격되어결합된복수의집전체; 및상기양극집전체부에결합되는양극부와음극집전체부에결합되는음극부로구성되는복수의전극부;를포함하는바이폴라셀이소개된다.
Abstract translation: 提供了一种双极电池，其包括：碱; 多个集电器，包括正电极集电器和负电极集电器，并且在所述基座的一个表面上以一定间隔隔开连接; 以及多个电极部分，包括耦合到正电极集电器的阳极部分和连接到负电极集电器的阴极部分。
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公开(公告)号：KR101261989B1
公开(公告)日：2013-05-08
申请号：KR1020110081921
申请日：2011-08-17
Applicant: 현대자동차주식회사 , 서울대학교산학협력단
IPC: H01M4/583 , H01M10/052 , C01B31/02 , H01M4/139
Abstract: 본발명은리튬전지용음극재료의제조방법에관한것으로, 보다구체적으로는아크릴로니트릴계공중합체, 금속또는금속산화물또는금속황화물, 용매를 혼합한용액또는용융상태의혼합물을일정한유속으로공급하여전압을가하여코어/쉘복합체가형성되고, 열처리하여탄화시키는과정을포함한다. 이에본 발명의제조과정은종래발명에비하여공정이간소하여나노음극재의대량생산에적합하며, 동일한모노머인아크릴로니트릴계공중합체를함유하는코어와쉘을채택하여이질감을최소화하여균일한방사성의극대화가가능하다. 또한, 열적안정성이뛰어나금속/금속산화물/금속황화물물질의부피변화에의한분쇄에도안정적인거동이유지가능하며, 전기방사변수(유량, 코어와쉘의농도)를조절하여튜브구명의크기와벽 두께의조절이가능하다.
Abstract translation: 目的：提供一种负极材料的制造方法，其适于大量生产纳米负极材料，并且通过具有包含丙烯腈基共聚物的芯和壳来最大化均匀辐射。 构成：二次电池用负极材料的制造方法包括以下步骤：将20〜45重量％的丙烯腈系共聚物作为芯材，10〜40重量％的丙烯腈共聚物，不同于 核心材料，1-35重量％的金属或金属氧化物或金属硫化物，和30-65重量％的熔融状态的溶液混合物; 通过向混合物施加电压形成核/壳复合材料的步骤; 以及通过在700-3000℃下热处理来对核/壳复合材料进行碳化和石墨化的步骤。
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公开(公告)号：KR1020130019761A
公开(公告)日：2013-02-27
申请号：KR1020110081921
申请日：2011-08-17
Applicant: 현대자동차주식회사 , 서울대학교산학협력단
IPC: H01M4/583 , H01M10/052 , C01B31/02 , H01M4/139
CPC classification number: H01M4/583 , H01M4/139 , H01M10/052 , H01M2004/027
Abstract: PURPOSE: A manufacturing method of a negative electrode material for is provided to be suitable for a mass production of a nano negative electrode material and to maximize uniform radiation by having a core and shell which contain an acrylonitrile-based copolymer. CONSTITUTION: A manufacturing method of a negative electrode material for secondary batteries comprises: a step of feeding 20-45 weight% of an acrylonitrile-based copolymer as a core material, 10-40 weight% of an acrylonitrile copolymer which is not the same as the core material, 1-35 weight% of a metal or metal oxide or metal sulfide, and 30-65 weight% of a solution mixture in a melt state; a step of forming a core/shell composite by applying voltage to the mixture; and a step of carbonizing and graphitizing the core/shell composite by heat-treating at 700-3000 °C.
Abstract translation: 目的：提供一种负极材料的制造方法，其适于大量生产纳米负极材料，并且通过具有包含丙烯腈基共聚物的芯和壳来最大化均匀辐射。 构成：二次电池用负极材料的制造方法包括以下步骤：将20〜45重量％的丙烯腈系共聚物作为芯材，10〜40重量％的丙烯腈共聚物，不同于 核心材料，1-35重量％的金属或金属氧化物或金属硫化物，和30-65重量％的熔融状态的溶液混合物; 通过向混合物施加电压形成核/壳复合材料的步骤; 以及通过在700-3000℃下热处理来对核/壳复合材料进行碳化和石墨化的步骤。
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Patent Agency Ranking
公开(公告)号：KR1020120133300A
公开(公告)日：2012-12-10
申请号：KR1020110051912
申请日：2011-05-31
CPC classification number: H01M4/5825 , H01M4/136 , H01M4/366 , H01M4/625 , H01M2004/028 , Y02E60/122 , Y02P70/54
Abstract: PURPOSE: A positive electrode material is provided to reduce the diffusion distance of lithium or sodium ion, to have electrochemical activity which can be used as a positive electrode, and to make ion intercalation and deintercalation of lithium or sodium ion. CONSTITUTION: A positive electrode material has a particle size of 1-100 nm and a voltage flat plane of 3.7-4.0 V by discharging, is coated with carbon to increase conductivity, and comprises a compound indicated in chemical formula A_xMnPO_4F, where A is Li or Na or a mixture thereof, and 0
Abstract translation: 目的：提供正极材料，以减少锂离子或钠离子的扩散距离，具有可用作正极的电化学活性，以及进行锂离子或钠离子的离子插层和脱嵌。 构成：通过放电，正极材料具有1-100nm的粒度和3.7-4.0V的电压平面，涂覆有碳以增加导电性，并且包含化学式A_xMnPO_4F中所示的化合物，其中A为Li 或Na或其混合物，0
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公开(公告)号：KR1020120108572A
公开(公告)日：2012-10-05
申请号：KR1020110026610
申请日：2011-03-24
Applicant: 현대자동차주식회사
IPC: H01M4/58 , H01M4/36 , H01M4/525 , H01M10/052 , B60L11/18
CPC classification number: Y02T10/7005 , H01M4/5825 , B60L11/1877 , H01M4/364 , H01M4/525 , H01M10/052 , H01M2220/20
Abstract: PURPOSE: A positive electrode for a secondary battery is provided to facilitate detection of voltage change in a specific region by mixing a phosphate-based compound with excellent thermal stability as a main active material and an oxide-based compound as an active material for voltage sensing. CONSTITUTION: A positive electrode for a secondary battery comprises a phosphate based active material represented by chemical formula 1: Li_(1+a)Fe_(1-x)M_x(PO_(4-b))X_b and an oxide based active material represented by chemical formula 2: Li_(1+a)(Ni_xCo_yA_z)O_(2-b)X_b. In chemical formula 1, -0.3
Abstract translation: 目的：提供一种用于二次电池的正极，以便通过混合具有优良热稳定性的磷酸盐基化合物作为主要活性材料和基于氧化物的化合物作为电压感测的活性材料来检测特定区域的电压变化 。 构成：二次电池用正极包含由化学式1表示的磷酸酯类活性物质：Li（1 + a）Fe_（1-x）M_x（PO_（4-b））X_b，表示氧化物系活性物质 化学式2：Li（1 + a）（Ni_xCo_yA_z）O_（2-b）X_b。 在化学式1中，-0.3 <= a <= 0.3,0 <= b <= 0.5和0 <= x <= 1，M是Ni，Co，Mn或Mg，x是F，S或N. 化学式2，-0.5 <= a <= 0.5,0 <= b <= 0.3,0 <= x <= 0.8,0 <= y <= 1.0和0 <= z <= 0.7，A是Al或Mn ，并且X是F，S或N. [附图标记]（AA）电压感测区域; （BB）充电; （CC）氧化物类活性物质; （DD）0重量％; （EE）2重量％; （FF）5重量％; （GG）10重量％ （HH）放电
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公开(公告)号：KR1020120059049A
公开(公告)日：2012-06-08
申请号：KR1020100120652
申请日：2010-11-30
CPC classification number: H01M2/202 , H01M2/1061 , H01M2/1072 , H01M2/204 , H01M2/206 , H01M2/266 , Y10T29/49947
Abstract: PURPOSE: A battery module is provided to stably secure electric connection states of respective unit cells, to be easily manufactured and assembled, and to provide excellent durability. CONSTITUTION: A battery module structure comprise: unit cells(3) in which each battery tap of a positive electrode and a negative electrode is formed on the edge in order to discharge electricity; many receptacles(5) integrated to each battery tap of the unit cells; and a bus bar(7) electrically connecting between the receptacles. The receptacles comprises an insert groove opened along a direction vertical veto a plane formed by the unit cells in order to form an electric connection state by an insertion part of the bus bar inserted along a direction parallel with the plane formed by the unit cells.
Abstract translation: 目的：提供电池模块，以稳定地确保各单元电池的电连接状态，易于制造和组装，并提供优异的耐久性。 构成：电池模块结构包括：单元电池（3），其中正极和负极的每个电池抽头形成在边缘上以便放电; 许多容器（5）集成到单元电池的每个电池分接头; 以及电连接在所述插座之间的汇流条（7）。 插座包括沿着垂直于由单元电池形成的平面的方向开放的插入槽，以便通过沿与平板电池形成的平面平行的方向插入的汇流条的插入部分形成电连接状态。
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公开(公告)号：KR1020110041813A
公开(公告)日：2011-04-22
申请号：KR1020090098810
申请日：2009-10-16
Applicant: 현대자동차주식회사 , 전남대학교산학협력단
Abstract: PURPOSE: A negative active material composite for a lithium rechargeable battery is provided to prevent the generation of severe irreversible discharge capacity in initial charge-discharging, thereby preventing the degradation of capacity and performance of the lithium rechargeable battery. CONSTITUTION: A negative active material composite for a lithium rechargeable battery is formed by mixing a nitrate transition metal lithium compound into a negative active material with severe irreversible discharge capacity in a proper ratio, wherein the nitrate transition metal lithium compound is formed by adding transition metal atom for imparting electroconductivity to lithium nitride(Li3N). The negative active material composite for a lithium rechargeable battery is configured to reduce an initial irreversible generation capacity.
Abstract translation: 目的：提供一种用于锂可再充电电池的负极活性材料复合材料，以防止在初始充电放电中产生严重的不可逆放电容量，从而防止锂可充电电池的容量和性能的劣化。 构成：通过将硝酸盐过渡金属锂化合物以适当的比例将硝酸盐过渡金属锂化合物与具有严重不可逆放电容量的负极活性物质混合形成，其中通过添加过渡金属形成硝酸盐过渡金属锂化合物 用于赋予氮化锂（Li 3 N）导电性的原子。 用于锂可再充电电池的负极活性材料复合物被配置为降低初始不可逆发电量。
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公开(公告)号：KR1020160095538A
公开(公告)日：2016-08-11
申请号：KR1020150016929
申请日：2015-02-03
Applicant: 현대자동차주식회사
CPC classification number: H01M4/668 , H01M2/14 , H01M10/058
Abstract: 본발명은신뢰성및 안전성을대폭향상시킨이차전지용집전체및 이를포함하는이차전지에관한것이다. 본발명에의한이차전지용집전체는, 박막구조로이루어지고, 절연성재질로이루어진합성수지층; 및상기합성수지층의양면에결합된한 쌍의도전성기재;를포함하고, 각도전성기재는이차전지의분리막보다얇은두께를가지는것을특징으로한다.
Abstract translation: 二次电池用集电体技术领域本发明涉及二次电池用集电体，其可靠性和安全性显着提高。 本发明还涉及包含该二次电池的二次电池。 二次电池用集电体包括：具有薄膜结构并由绝缘材料制成的合成树脂层; 以及耦合到合成树脂层的两侧的一对导电基材。 每个导电基材的厚度比二次电池的分离膜的厚度薄。
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