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公开(公告)号：KR101485483B1
公开(公告)日：2015-01-23
申请号：KR1020130085496
申请日：2013-07-19
Applicant: 전자부품연구원
CPC classification number: H01M4/136 , H01M4/1397 , H01M4/366 , H01M4/581 , H01M4/625 , H01M10/054
Abstract: 본 발명은 마그네슘 이차전지용 양극 재료의 제조 방법 및 이에 의하여 제조된 마그네슘 이차전지용 양극 재료에 관한 것으로서, 더욱 상세하게는 표면이 탄소로 코팅된 쉐브렐 구조의 마그네슘 이차전지용 양극재료의 제조 방법 및 이에 의하여 제조된 쉐브렐 구조의 마그네슘 이차전지용 양극재료에 관한 것이다.
본 발명에 의한 마그네슘 이차전지용 양극재료의 제조 방법은 쉐브렐 구조의 양극활물질의 표면을 탄소로 균일하게 코팅함으로써 입자의 성장을 억제하여 균일한 입자를 형성시키고, 높은 표면적을 가지게 되어 쉐브렐 구조 내로의 마그네슘 이온의 확산 속도를 높이게 되어 전기 전도성이 향상될 뿐만 아니라, 코팅된 탄소가 전하이동 네트워크를 형성하여 이와 같은 마그네슘 이차전지용 양극재료를 포함하는 전극의 구조적 안정성을 개선시키고, 마그네슘 이차 전지의 초기용량 및 고율특성 등을 향상시키게 된다.Abstract translation: 镁二次电池用正极材料的制造方法及其制造方法技术领域本发明涉及一种镁二次电池用正极材料的制造方法及其制造用的镁二次电池用正极材料，更具体地，涉及一种镁二次电池用正极材料的制造方法 电池，其中表面被碳覆盖的雪佛兰结构的电池，以及由其制备的Chevrel结构的镁二次电池的正极材料。 根据本发明，用于制造镁二次电池用正极材料的方法抑制了颗粒的生长，形成均匀的颗粒，并且通过用碳涂覆Chevrel结构的正极活性物质的表面而具有高的表面积。 因此，该方法提高了导电性，因为镁离子进入雪佛兰结构体的扩散速度提高，提高包含作为包覆碳的镁二次电池的正极材料的电极的结构稳定性，形成电荷转移网络，并提高初始容量， 镁二次电池的高速率特性。
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公开(公告)号：KR1020140084567A
公开(公告)日：2014-07-07
申请号：KR1020120154157
申请日：2012-12-27
Applicant: 전자부품연구원
IPC: H01M4/525 , H01M4/58 , H01M4/1391 , H01M10/052
CPC classification number: H01M4/525 , H01M4/0402 , H01M4/0471 , H01M4/1391 , H01M4/366 , H01M4/505 , H01M4/523 , H01M4/5825 , H01M4/62 , H01M10/052 , H01M10/0525 , H01M2004/021 , H01M2004/028
Abstract: The present invention relates to a positive electrode active material for a lithium secondary battery and a method for manufacturing the same, and more particularly, to a positive electrode active material for a lithium secondary battery in which a positive electrode material in which the surface of a nickel-rich (Ni-rich) positive electrode active material is coated with manganese phosphate is provided for improved battery characteristics, and a method for manufacturing the same. According to the present invention, the surface of the nickel-rich (Ni-rich) positive electrode active material is uniformly coated with the manganese phosphate, and thus an electrolyte side reaction is suppressed. Accordingly, a lithium secondary battery having excellent output characteristics, high-temperature life characteristics, and thermal stability can be manufactured.
Abstract translation: 锂二次电池用正极活性物质及其制造方法技术领域本发明涉及锂二次电池用正极活性物质及其制造方法，更具体地，涉及锂二次电池用正极活性物质，其中， 提供了富镍（富Ni）正极活性物质涂覆有磷酸锰以提高电池特性及其制造方法。 根据本发明，富镍（富Ni）正极活性物质的表面均匀地涂覆有磷酸锰，从而抑制了电解质的副反应。 因此，可以制造具有优异的输出特性，高温寿命特性和热稳定性的锂二次电池。
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公开(公告)号：KR1020140084566A
公开(公告)日：2014-07-07
申请号：KR1020120154156
申请日：2012-12-27
Applicant: 전자부품연구원
IPC: H01M4/525 , H01M4/48 , H01M4/1391 , H01M10/052
CPC classification number: H01M4/525 , H01M4/366 , H01M4/62 , H01M10/052
Abstract: The present invention relates to an anode material for a lithium secondary battery, coated with silicon oxide and a method for manufacturing the same. More specifically, by providing an anode material coated with silicon oxide on a Ni-rich anode material, the present invention relates to an anode material for a lithium secondary battery having remarkably enhanced thermal stability and cell performance due to the silicon compound. According to the present invention, silicon oxide is evenly coated on the surface of the Ni-rich anode material, thus enabling a user to manufacture a lithium secondary battery having excellent cycle and output properties while having an effectively improved thermal stability due to the suppressing of a negative reaction of an electrolyte.
Abstract translation: 本发明涉及一种用二氧化硅涂覆的锂二次电池用负极材料及其制造方法。 更具体地说，本发明提供一种在富镍阳极材料上涂覆有氧化硅的负极材料，本发明涉及一种锂二次电池用阳极材料，其具有由硅化合物引起的热稳定性和电池性能显着提高。 根据本发明，氧化硅均匀地涂覆在富Ni阳极材料的表面上，因此能够使用户制造具有优异的循环和输出特性的锂二次电池，同时具有有效改善的热稳定性，由于抑制 电解质的负反应。
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公开(公告)号：KR101352793B1
公开(公告)日：2014-02-13
申请号：KR1020110127265
申请日：2011-11-30
IPC: H01M4/58 , H01M4/1397 , H01M4/62 , H01M10/05
CPC classification number: C01B25/45 , C01B25/455
Abstract: 본 발명은 이차전지용 양극재료 및 이의 제조방법에 관한 것으로서, 더욱 상세하게는 리튬망간인산화물 LiMnPO
4 와 나트륨망간불화인산화물 Na
2 MnPO
4 F의 복합체를 리튬이차전용 양극소재로 사용할 수 있도록 한 이차전지용 양극재료 및 이의 제조방법에 관한 것이다.
즉, 본 발명은 폴리어니언계 양극소재중 서로 다른 결정구조를 가지는 LiMnPO
4 와 Na
2 MnPO
4 F의 복합체를 단순합성후 혼합하여 제공하지 않고, 수열합성법으로 원스텝으로 제공할 수 있는 점. 그리고 카본코팅을 통한 전기전도도 향상으로 전기화학적 활성을 가지는 리튬이차전지의 양극재료를 제공할 수 있는 점 등을 달성하기 위한 이차전지용 양극재료 및 이의 제조방법을 제공하고자 한 것이다.-
公开(公告)号：KR1020140012332A
公开(公告)日：2014-02-03
申请号：KR1020120078906
申请日：2012-07-19
Applicant: 전자부품연구원
Abstract: The present invention relates to a positive electrode for magnesium rechargeable batteries and magnesium rechargeable batteries comprising the same and more specifically, to a positive electrode for magnesium rechargeable batteries and magnesium rechargeable batteries comprising the same which uses polytetrafluoroethylene as a binder, and which uses an excessive amount of conductive material for the masses of both poles, so as to possess a high capacity and a long lifespan.
Abstract translation: 本发明涉及一种镁可充电电池用正极和含镁可充电电池，其特征在于，包括使用聚四氟乙烯作为粘合剂的镁可充电电池用正极和含有镁可充电电池的镁可充电电池，其使用过量 用于两极质量的导电材料，从而具有高容量和长寿命。
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Patent Agency Ranking
公开(公告)号：KR1020140012302A
公开(公告)日：2014-02-03
申请号：KR1020120078771
申请日：2012-07-19
Applicant: 전자부품연구원
Abstract: The present invention provides a cathode active material for a magnesium secondary battery and a manufacturing method thereof, wherein the cathode active material is represented by a chemical formula (Mg_xMn_1-yCo_ySiO_4 (0.5
Abstract translation: 本发明提供一种镁二次电池用正极活性物质及其制造方法，其特征在于，所述阴极活性物质由化学式（Mg_xMn_1-yCo_ySiO_4（0.5≤x≤1.0,0≤y≤0.5）表示） ）），一部分锰被钴代替。 根据本发明的用于镁二次电池的正极活性材料不仅提高了导电性和使用寿命特性，而且通过将镁硅酸镁的一部分锰替换成部分锰来改善包括镁二次电池用正极活性物质的电极的结构稳定性 与钴原子。 因此，本发明提高了镁二次电池的初始容量和高速率能力。 （标号）（AA）混合; （BB）磨削; （CC）煅烧
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公开(公告)号：KR1020130117965A
公开(公告)日：2013-10-29
申请号：KR1020120040756
申请日：2012-04-19
Applicant: 전자부품연구원
IPC: H01M4/1391 , H01M4/525 , C01G53/04 , H01M10/052
CPC classification number: C01G51/42 , C01P2006/40 , H01M4/131 , H01M4/485 , H01M4/523 , H01M10/0525 , Y02E60/122
Abstract: PURPOSE: A manufacturing method of a positive electrode material manufactures a positive electrode material with improved lifetime and having a particle size of 20 micron or greater in order to obtain high energy density. CONSTITUTION: A manufacturing method of a positive electrode material comprises a step of manufacturing spherical cobalt hydroxide by coprecipitating an aqueous solution including a cobalt raw material, a hydroxide raw material, a hetero metal raw material for substitution, and an amine raw material (S10); and a step of manufacturing cobalt oxide substituted with heterometal by heat-treating the cobalt hydroxide. In manufacturing cobalt hydroxide, the cobalt hydroxide has the composition ratio of Co_(1-x)M_x(OH)_2 where 0.00
Abstract translation: 目的：为了获得高能量密度，正极材料的制造方法制造寿命更长且粒径为20微米以上的正极材料。 构成：正极材料的制造方法包括通过共沉淀包含钴原料，氢氧化物原料，取代用异质金属原料和胺原料的水溶液来制造球形氢氧化钴的步骤（S10） ; 以及通过热处理氢氧化钴制造用异金属取代的氧化钴的步骤。 在制造氢氧化钴时，氢氧化钴的组成比为Co_（1-x）M_x（OH）2，其中0.00 <= x <= 0.10，M是Al，Mg或Ti。 氢氧化钴的平均粒度为15-30微米。 （附图标记）（AA）开始; （BB）结束; （S10）通过共沉淀包含钴原料，氢氧化物原料，用于置换的异质金属原料的水溶液和胺原料来制造高密度球形氢氧化钴; （S20）通过在500-800℃热处理氢氧化钴生产用异金属取代的高密度氧化钴; （S30）通过在900-1100℃下将氧化钴与Li 2 CO 3和Li 2 CO 3混合，生产钴酸锂，阳极材料; （S40）通过粉碎经热处理的阳极材料进行配制
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公开(公告)号：KR1020130033891A
公开(公告)日：2013-04-04
申请号：KR1020110097846
申请日：2011-09-27
IPC: H01M4/58 , H01M10/052 , H01M4/62
CPC classification number: H01M4/136 , H01M4/366 , H01M4/5825 , H01M4/625 , H01M10/052 , Y02E60/122 , Y02P70/54
Abstract: PURPOSE: A positive electrode material for secondary batteries is provided to obtain excellent charging and discharging performance by securing a diffusion path for lithium in the positive electrode material, thereby improving electrochemical performance of secondary batteries. CONSTITUTION: A positive electrode material includes a manganese-based fluorinated phosphoric acid compound represented by chemical formula, Li_xNa_(2-x)MnPO_4F. A manufacturing method of the positive electrode material comprises a step of uniformly mixing sodium oxide or a precursor thereof, manganese oxide or a precursor thereof, phosphoric oxide or a precursor thereof, and fluoride oxide or a precursor thereof, pre-treating the mixture, and synthesizing Na_2MnPO_4F by sintering; and a step of inserting lithium into the positive electrode material and synthesizing Li_xNa_(2-x)MnPO_4F by using an ion exchange method.
Abstract translation: 目的：提供用于二次电池的正极材料，以通过确保正极材料中的锂的扩散路径来获得优异的充放电性能，从而提高二次电池的电化学性能。 构成：正极材料包括由化学式Li_xNa_（2-x）MnPO_4F表示的锰基氟化磷酸化合物。 正极材料的制造方法包括将氧化钠或其前体，氧化锰或其前体，氧化磷或其前体，氟化物或其前体均匀混合的步骤，对所述混合物进行预处理，以及 通过烧结合成Na_2MnPO_4F; 以及将锂插入正极材料中并通过使用离子交换方法合成Li_xNa_（2-x）MnPO_4F的步骤。
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89.发明公开리튬 이차전지용 양극 활물질의 전구체, 양극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차전지 审中-实审正极活性材料前驱体，锂二次电池的正极活性材料，其制备方法和包含该电池的锂二次电池
公开(公告)号：KR1020130033155A
公开(公告)日：2013-04-03
申请号：KR1020110097059
申请日：2011-09-26
Applicant: 전자부품연구원
IPC: H01M4/525 , H01M4/505 , H01M4/1391 , H01M10/052
CPC classification number: H01M4/131 , B82Y30/00 , C01G53/00 , C01G53/006 , C01G53/44 , C01G53/50 , C01P2002/52 , C01P2004/03 , C01P2004/32 , C01P2004/62 , C01P2004/64 , C01P2006/40 , H01M4/483 , H01M4/505 , H01M4/523 , H01M4/525 , H01M4/54 , H01M10/052 , H01M10/0525 , H01M2004/021 , H01M2004/028 , Y02E60/122 , Y02P70/54 , H01M4/0471 , H01M4/1391 , H01M4/364 , H01M4/382
Abstract: PURPOSE: A positive active material is provided to obtain a capacity of 220mAhg^-1 or more and to improve the charging and discharging properties and high voltage performance of a lithium secondary battery. CONSTITUTION: A thickness of a positive active material has a plate with a thickness of 1-30nm and is represented by chemical formula 1, Ni_xCo_yMn_(1-x-y-z)M_z(OH). The positive active material is manufactured using the precursor. The size of a primary particle is 1-500nm and is represented by chemical formula 2, Li_wNi_xCo_yMn_(1-x-y-z)M_zO_2. In the chemical formulas, 1.2
Abstract translation: 目的：提供正极活性物质以获得220mAhg -1以上的容量，并提高锂二次电池的充放电性能和高电压性能。 构成：正极活性物质的厚度为厚度为1-30nm的板，由化学式1 Ni_xCo_yMn_（1-x-y-z）M_z（OH）表示。 使用前体制造正极活性物质。 一次粒子的尺寸为1-500nm，由化学式2 Li_wNi_xCo_yMn_（1-x-y-z）M_zO_2表示。 在化学式中，1.2 <= w <= 1.5,0
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公开(公告)号：KR1020130031718A
公开(公告)日：2013-03-29
申请号：KR1020110095448
申请日：2011-09-21
IPC: H01M4/58 , C01B25/45 , H01M4/1397 , H01M10/052
CPC classification number: C01B25/455 , H01M4/136 , H01M4/1395 , H01M4/5825
Abstract: PURPOSE: An anode material for lithium secondary battery is provided to be able to use cathode materials without a lithium source for making a lithium secondary battery and to increase the discharged voltage of a secondary battery. CONSTITUTION: An anode material for lithium secondary battery comprises lithium manganese hexafluoride compound which is expressed in the formula Li2MnPO4F. a method of manufacturing the anode material comprises; a step of mixing sodium oxide or a precursor of sodium oxide, manganese or a precursor of manganese, phosphorus or a precursor of phosphorus and fluoride or a precursor of fluoride using a ball mill, and heating the mixed materials to synthesize Na2MnPO4F and a step to add lithium into the synthesized materials through an ion-exchanging process to synthesize Li2MnPO4F.
Abstract translation: 目的：提供一种用于锂二次电池的负极材料，以便能够使用没有锂源的阴极材料来制造锂二次电池并增加二次电池的放电电压。 构成：用于锂二次电池的负极材料包括以式Li2MnPO4F表示的六氟化锂化合物。 制造阳极材料的方法包括： 使用球磨机混合氧化钠或锰，磷或磷前体和磷前体的氧化镁，锰或前体的前体，并加热混合物以合成Na 2 MnO 4 F 4的步骤， 通过离子交换工艺将锂添加到合成材料中以合成Li2MnPO4F。
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