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81.发明公开나노크기의 이산화티탄으로 표면이 코팅된 구형의 전이금속복합탄산물을 이용한 고전압용 비수계 리튬이차전지용 고용량 양극재료 및 그의 제조 방법 有权使用具有纳米钛酸盐的球形混合金属碳酸锂的锂二次电池的正性组合物及其制造方法
公开(公告)号：KR1020150070888A
公开(公告)日：2015-06-25
申请号：KR1020130157608
申请日：2013-12-17
Applicant: 전자부품연구원
CPC classification number: H01M4/1397 , C01G53/006 , C01G53/50 , C01P2002/72 , C01P2002/85 , C01P2004/03 , C01P2004/62 , C01P2004/80 , C01P2006/40 , C01P2006/90 , H01M4/0402 , H01M4/043 , H01M4/0471 , H01M4/131 , H01M4/136 , H01M4/1391 , H01M4/366 , H01M4/483 , H01M4/505 , H01M4/525 , H01M4/5825 , H01M10/0525 , H01M2004/028 , H01M4/13 , H01M4/48
Abstract: 본발명은구형의전이금속복합탄산물을이용한비수계리튬이차전지용양극재료및 그의제조방법에관한것으로, 구형의전이금속복합탄산물에나노크기의금속산화물을표면코팅함으로써최종양극재료의구조적안정성을향상시켜, 250mAh/g 이상의고용량구현이가능하면서도매우우수한수명특성을확보하기위한것이다. 본발명에따르면, 코발트원료, 니켈원료, 망간원료, 탄산기원료및 암모니아원료를사용하여제조한구형의전이금속복합탄산물을이산화티탄을사용하여표면코팅함으로써화학식, NiCoMnTiCO(0.0
Abstract translation: 本发明涉及一种使用球形过渡金属碳酸盐络合物的非水锂二次电池用正极材料及其制造方法。 本发明通过用纳米尺寸的金属氧化物涂覆球形过渡金属碳酸盐络合物的表面来提高最终的正极材料的结构稳定性，并且在获得250mAh / g以上的高容量的同时获得优异的寿命。 根据本发明，通过使用钴原料，镍原料，锰原料和碳酸铵类原料制造的球形过渡金属碳酸盐配合物涂覆有二氧化钛，并且过渡金属碳酸盐复合物涂覆有过渡金属 具有NixCoyMn1-x-yTizCO3（0.0
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公开(公告)号：KR1020150031797A
公开(公告)日：2015-03-25
申请号：KR1020130111434
申请日：2013-09-16
Applicant: 전자부품연구원
IPC: H01M10/052 , H01M10/056 , H01M4/13 , H01M10/058
CPC classification number: H01M4/139 , H01M4/366 , H01M10/052 , H01M10/0566 , H01M10/058 , H01M10/4235 , H01M2300/0094 , Y02T10/7011
Abstract: 본발명은리튬이차전지에관한것으로, 이러한본 발명은케이스, 상기케이스내측에일정간격을가지는배치되는다수의전극부들, 상기다수의전극부들사이에배치되는분리막과설폰계물질의적어도일부가혼합된전해액으로구성된전해질층을포함하고, 상기다수의전극부들중 양극은상기전해액의설폰계물질에대응한부반응에의하여형성된피막을포함하는리튬이차전지및 이의제조방법의구성을개시한다.
Abstract translation: 本发明涉及能够在高压充放电条件下提高正极寿命的锂二次电池。 本发明公开了一种锂二次电池及其制造方法，其中锂二次电池包括壳体; 多个电极部件以规则的间隔布置在壳体的内侧上; 以及电解质层，其包含布置在所述电极部分和其中混合有至少一种砜类化合物的电解质之间的分离膜。 电极部件中的正极包含由电解质中的砜类化合物引起的副反应而形成的膜。
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公开(公告)号：KR101499428B1
公开(公告)日：2015-03-09
申请号：KR1020120095402
申请日：2012-08-30
Applicant: 전자부품연구원
IPC: H01M4/525 , H01M4/1391 , H01M10/052
Abstract: 본 발명은 구형의 수산화코발트를 이용한 비수계 리튬이차전지용 양극재료에 관한 것으로, 액상에서의 침전반응을 이용하여 이종금속이 균일하게 치환되어 있는 구형의 수산화코발트를 제조함으로써 최종 양극재료의 고전압에서의 구조 붕괴를 억제하여 수명특성을 향상시키기 위한 것이다. 본 발명에 따르면, 코발트원료, 수산화기원료, 치환용 이종금속원료 및 아민계원료를 화학식, Co
1-x M
x (OH)
2 (0.00-
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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Patent Agency Ranking
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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87.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：KR1020130010808A
公开(公告)日：2013-01-29
申请号：KR1020110071690
申请日：2011-07-19
Applicant: 전자부품연구원
IPC: H01M4/48 , C01G31/00 , H01M4/1391 , H01M10/052
CPC classification number: H01M4/485 , C01G31/00 , C01P2004/61 , C01P2004/62 , C01P2006/40 , H01M10/0525 , Y02E60/122
Abstract: PURPOSE: A negative electrode material for lithium secondary batteries is provided to have extremely high charging voltage when used in the negative electrode by having extremely low discharging voltage, thereby providing energy density of a battery. CONSTITUTION: A negative electrode material for lithium secondary batteries is represented by chemical formula: Li_aV_bO_c and is a lithium-vanadium complex oxide that lithium ions can be inserted into/separated from the lithium-vanadium complex oxide. In chemical formula, a/b≥3.0 and c= Ua+5b ^/2. A manufacturing method of the negative electrode material comprises: a step of manufacturing a uniform mixture by mixing a lithium supply source which contains oxygen atoms, and a vanadium supply source which contains oxygen atoms; and a step of heat-treating the lithium-vanadium complex oxide by heat-treating the uniform mixture under an oxidation atmosphere.
Abstract translation: 目的：提供一种用于锂二次电池的负极材料，其通过具有极低的放电电压而在用于负极时具有极高的充电电压，从而提供电池的能量密度。 构成：用于锂二次电池的负极材料由化学式Li_aV_bO_c表示，并且是锂离子可以从锂 - 钒复合氧化物中插入/分离的锂 - 钒复合氧化物。 在化学式中，a /b≥3.0和c = Ua + 5b ^ / 2。 负极材料的制造方法包括：通过混合含有氧原子的锂供给源和含有氧原子的钒供给源来制造均匀混合物的步骤; 以及在氧化气氛下对均匀混合物进行热处理来对锂钒复合氧化物进行热处理的工序。
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公开(公告)号：KR101104237B1
公开(公告)日：2012-01-11
申请号：KR1020090093153
申请日：2009-09-30
Applicant: 전자부품연구원
Abstract: 본 발명은 리튬바나듐금속산화물을 이용한 비수계 리튬이차전지용 음극재료 및 그의 제조 방법에 관한 것으로, 방전 용량이 높고 사이클 특성 및 충방전 효율이 뛰어나며, 특히 리튬에 대한 방전전위가 매우 낮아 음극에 사용했을 때 전지의 방전 전위가 높아 전지의 에너지 밀도가 높은 비수계 리튬이차전지용 음극재료 및 그의 제조 방법을 제공하기 위한 것이다. 본 발명에 따르면, 리튬원료와 바나듐원료를 합성하여 형성되며, Li
a V
b O
2 (0.5≤a≤1.5, 0.9≤b≤1.1)으로 표현되는 리튬바나듐금속산화물인 비수계 리튬이차전지용 음극재료를 제공한다. 이때 리튬바나듐금속화화물은 리튬원료와 바나듐원료를 Li
a V
b O
2 (0.5≤a≤1.5, 0.9≤b≤1.1)의 조건으로 혼합하여 수용액을 형성하고, 수용액을 분무열분해하여 리튬바나듐금속산화물의 중간물을 형성한 후, 중간물을 비활성분위기 또는 환원분위기에서 후열처리하여 리튬바나듐금속산화물을 형성한다.
이차전지, 리튬, 바나듐, 분무열분해, 리튬바나듐금속산화물-
公开(公告)号：KR1020100125549A
公开(公告)日：2010-12-01
申请号：KR1020090044312
申请日：2009-05-21
Applicant: 전자부품연구원
CPC classification number: C01G39/02 , H01M4/1391 , H01M4/483 , H01M10/05 , H01M2004/027 , Y02E60/12
Abstract: PURPOSE: A molybdenum dioxide for a non-aqueous secondary battery is provided to ensure high discharge capacity, excellent cycle ability, and low explosion danger, and to impart battery safety in a high temperature. CONSTITUTION: A method for preparing molybdenum dioxide for a non-aqueous secondary battery comprises the steps of: (a) preparing molybdenum trioxide by adding an acid to an aqueous solution containing an organic acid salt including molybdenum; and (b) preparing molybdic dioxide by reducing molybdenum trioxide with a reducing agent in a nitrogen or argon gas atmosphere in 450~550 °C for 1~20 hours.
Abstract translation: 目的：提供用于非水二次电池的二氧化钼，以确保高放电容量，优异的循环能力和低爆炸危险，并在高温下赋予电池安全。 构成：用于制备用于非水二次电池的二氧化钼的方法包括以下步骤：（a）通过向含有钼的有机酸盐的水溶液中加入酸制备三氧化钼; 和（b）在450〜550℃的氮气或氩气气氛中用还原剂还原三氧化钼1〜20小时制备二氧化钼。
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