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公开(公告)号：KR1020130112384A
公开(公告)日：2013-10-14
申请号：KR1020120034718
申请日：2012-04-04
Applicant: 전자부품연구원 , 에스케이 테크놀로지 이노베이션 컴퍼니
CPC classification number: Y02E60/528 , H01M8/02 , H01M8/18
Abstract: PURPOSE: A flow secondary battery has high energy storage density, high capacity, and high efficiency. CONSTITUTION: A flow secondary battery includes an ion separation film and a positive electrode and a negative electrode (21,23) each of which is arranged on both sides of the ion separation film. Electrolyte solution is supplied to each of the positive and negative electrode. As a catholyte, polysulfide solution is supplied. The catholyte is manufactured by mixing Li2S and sulfur into LiTFSI(Lithium bistrifluoromethanesulfonimide) TEGDME : DOXL (1 : 1) electrolyte solution. An anolyte of the electrolyte solution is LiTFSI(Lithium bistrifluoromethanesulfonimide) TEGDME : DOXL (1 : 1) electrolyte solution. [Reference numerals] (AA) Discharge; (BB) Charge
Abstract translation: 目的：流量二次电池具有高储能密度，高容量，高效率。 构成：流动二次电池包括离子分离膜和分别设置在离子分离膜两侧的正极和负极（21,23）。 电解质溶液被供应到每个正极和负极。 作为阴极电解液，提供多硫化物溶液。 通过将Li2S和硫混合到LiTFSI（双三氟甲磺酰亚胺锂）TEGDME：DOXL（1：1）电解液中制成阴极电解液。 电解液的阳极电解液为LiTFSI（双三氟甲磺酰亚胺锂）TEGDME：DOXL（1：1）电解质溶液。 （附图标记）（AA）放电; （BB）充电
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公开(公告)号：KR101262665B1
公开(公告)日：2013-05-15
申请号：KR1020110034480
申请日：2011-04-13
Applicant: 전자부품연구원
CPC classification number: Y02E60/528
Abstract: 본발명은카본-흑연복합계바이폴라플레이트및 그를갖는레독스플로우이차전지에관한것으로, 카본계소재 10wt% ~ 20wt%, 흑연계소재 50wt% ~ 78wt%, 수지 8wt% ~ 18wt%, 경화제 3.99wt% ~ 10wt%, 및경화촉진제 0.01wt% ~ 2wt%를포함하는카본-흑연복합계바이폴라플레이트및 그를갖는레독스플로우이차전지를제공한다. 본발명에따르면, 바이폴라플레이트의내부식성을향상시키고, 비저항값을낮춰레독스플로우이차전지의에너지효율을향상시키는효과가있다.
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公开(公告)号：KR101262663B1
公开(公告)日：2013-05-15
申请号：KR1020110039435
申请日：2011-04-27
Applicant: 전자부품연구원
CPC classification number: Y02E60/528
Abstract: 본발명은금속산화물로표면개질된레독스플로우이차전지용카본펠트전극을제조하는방법및 그방법으로제조된레독스플로우이차전지용카본펠트전극에관한것으로, 카본펠트, 금속아세테이트및 물을오토클레이브(autoclave)에투입하는단계, 상기오토클레이브의온도및 가동시간을설정하여, 오토클레이브를가동하는단계, 및상기오토클레이브의설정된온도의조건에서상기가동시간이경과된후, 금속산화물로표면개질된카본펠트를획득하는단계를포함하는것을특징으로하는표면개질된레독스플로우이차전지용카본펠트전극의제조방법및 그방법으로제조된레독스플로우이차전지용카본펠트전극을포함한다. 본발명에따르면, 카본펠트의표면처리시간을단축시켜생산효율성을향상시키는효과가있고, 전술한제조방법에의해제조된금속산화물로표면개질된카본펠트전극을포함하는레독스플로우이차전지는전압효율및 에너지효율이향상되는효과가있다.
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24.发明公开
公开(公告)号：KR1020130033153A
公开(公告)日：2013-04-03
申请号：KR1020110097057
申请日：2011-09-26
Applicant: 전자부품연구원
IPC: H01M4/525 , H01M4/505 , H01M10/0525 , H01M4/1391
CPC classification number: H01M4/485 , C01D15/02 , C01G53/006 , C01G53/04 , C01G53/50 , C01P2002/50 , C01P2002/52 , C01P2004/03 , C01P2004/61 , H01M4/505 , H01M4/525 , Y02P70/54 , H01M4/0461 , H01M4/0471 , H01M4/131 , H01M4/1391 , H01M4/364 , H01M4/382 , H01M10/0525
Abstract: PURPOSE: A uniformly distributed precursor of a positive electrode active material is provided to manufacture a positive electrode active material with high discharging capacity of 220mAhg^-1 or more, uniform transition metal distribution and high density. CONSTITUTION: A uniformly distributed precursor is represented by chemical formula 1: Ni_xCo_yMn_(1-x-y-z)M_z(OH)_2, and has an ion concentration deviation of 3 weight% or less in the precursor. In chemical formula 1, 0
Abstract translation: 目的：提供均匀分布的正极活性物质的前体，制造出高放电容量为220mAhg ^ -1以上，过渡金属分布均匀，密度高的正极活性物质。 构成：均匀分布的前体由化学式1表示：Ni_xCo_yMn_（1-x-y-z）M_z（OH）_2，前体的离子浓度偏差为3重量％以下。 在化学式1中，0
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公开(公告)号：KR1020120121569A
公开(公告)日：2012-11-06
申请号：KR1020110039435
申请日：2011-04-27
Applicant: 전자부품연구원
CPC classification number: Y02E60/528 , H01M8/18 , H01M8/02
Abstract: PURPOSE: A manufacturing method of a carbon-felt electrode surface-modified by metal oxide capable of increasing energy efficiency of a redox-flow secondary battery and to reduce treatment time of surface of a carbon felt. CONSTITUTION: A manufacturing method of a surface-modified carbon-felt electrode comprises: a step(S10) of inserting a carbon felt, metal acetate and water into an autoclave; a step(S20) of operating the autoclave by setting the temperature and operation time of the autoclave; and a step(S30) of obtaining a carbon felt surface-modified by metal oxide after the operation time in set-temperature condition of the autoclave. The carbon felt is one of a polyacrylonitrile-based or a rayon-based. [Reference numerals] (S10) Step of inserting a carbon felt, metal acetate and water into an autoclave; (S20) Step of operating the autoclave by setting the temperature and operation time of the autoclave; (S30) Step of obtaining a carbon felt surface-modified by metal oxide after the operation time in set-temperature condition of the autoclave
Abstract translation: 目的：通过金属氧化物表面改性的能够提高氧化还原液二次电池的能量效率并减少碳毡表面处理时间的碳毡电极的制造方法。 构成：表面改性碳毡电极的制造方法包括：将碳毡，金属乙酸盐和水插入高压釜中的步骤（S10） 通过设定高压釜的温度和操作时间来操作高压釜的步骤（S20） 以及在高压釜的设定温度条件下在操作时间之后获得由金属氧化物表面改性的碳毡的工序（S30）。 碳毡是基于聚丙烯腈或基于人造纤维的碳毡。 （S10）将碳毡，金属乙酸盐和水插入高压釜中的步骤; （S20）通过设定高压釜的温度和操作时间来操作高压釜的步骤; （S30）在高压釜的设定温度条件下在操作时间之后获得由金属氧化物表面改性的碳毡的工序
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Patent Agency Ranking
公开(公告)号：KR1020140012354A
公开(公告)日：2014-02-03
申请号：KR1020120078988
申请日：2012-07-19
Applicant: 전자부품연구원
Abstract: The present invention relates to a manufacturing method of cathode material for Mg secondary batteries, and cathode material for Mg secondary batteries manufactured thereby, more specifically to a manufacturing method of cathode material for Mg secondary batteries which has Chevreul structure and which is coated with carbon, and Chevreul structured cathode material for Mg secondary batteries manufactured thereby. The method suppresses the growth of particles to form even particles by evenly coating the surface of the Chevreul structured cathode active material; the particles increases the spreading speed of Mg ions into the Chevreul structure by having a large surface area, which leads an improvement of conductivity. In addition, the present invention can improve: the structural safety of electrodes comprising the cathode material for Mg secondary batteries; the initial capacity of Mg secondary batteries; and the high efficiency property of Mg secondary batteries.
Abstract translation: 本发明涉及一种用于Mg二次电池的阴极材料的制造方法以及由此制造的用于Mg二次电池的阴极材料，更具体地说涉及具有Chevreul结构并且涂覆有碳的Mg二次电池用正极材料的制造方法， 和由此制造的用于Mg二次电池的Chevreul结构化阴极材料。 该方法通过均匀涂布Chevreul结构的阴极活性材料的表面来抑制颗粒的生长以形成均匀的颗粒; 颗粒通过具有大的表面积增加了Mg离子进入Chevreul结构的扩散速度，这导致了导电性的提高。 此外，本发明可以改善：包含用于Mg二次电池的阴极材料的电极的结构安全性; 镁二次电池的初始容量; 和Mg二次电池的高效率性能。
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公开(公告)号：KR101332020B1
公开(公告)日：2013-11-25
申请号：KR1020120010054
申请日：2012-01-31
Applicant: 전자부품연구원
IPC: H01M4/1391 , H01M4/525 , H01M4/505 , H01M10/052
CPC classification number: H01M4/485 , C01G45/1228 , C01G51/50 , C01G53/50 , C01P2002/52 , C01P2002/72 , C01P2004/03 , C01P2004/61 , C01P2006/12 , C01P2006/14 , C01P2006/40 , H01M4/505 , H01M4/525 , H01M10/052
Abstract: (a) 리튬원료, 망간원료, 니켈원료 및 코발트원료를 포함하는 금속염 수용액을 제조하는 단계; (b) 입경이 0.05 내지 0.30 mm인 비드를 사용하여, 2000 내지 6000 rpm으로 2 내지 12 시간 동안 상기 금속염 수용액을 습식 분쇄하여 슬러리를 제조하는 단계; (c) 상기 슬러리에 카본 소스를 첨가하는 단계; (d) 상기 단계 (c)의 슬러리를 분무 건조하여 혼합분체를 제조하는 단계; 및 (e) 상기 혼합분체를 열처리하는 단계를 포함하는 방법에 의하여 제조되며, 하기 화학식 1로 표현되는 리튬 이차전지용 양극 활물질의 제조방법에 관한 것이다.
[화학식 1]
Li
w Ni
x Co
y Mn
1
-xy-
z M
z O
2
(1.2≤w≤1.5, 0-
公开(公告)号：KR1020130088669A
公开(公告)日：2013-08-08
申请号：KR1020120010054
申请日：2012-01-31
Applicant: 전자부품연구원
IPC: H01M4/1391 , H01M4/525 , H01M4/505 , H01M10/052
CPC classification number: H01M4/485 , C01G45/1228 , C01G51/50 , C01G53/50 , C01P2002/52 , C01P2002/72 , C01P2004/03 , C01P2004/61 , C01P2006/12 , C01P2006/14 , C01P2006/40 , H01M4/505 , H01M4/525 , H01M10/052
Abstract: PURPOSE: A manufacturing method of an anode active material is provided to mass produce the anode active material which has high surface porosity, and uniform composition and particle size, and capable of adjusting a particle size and a shape of the anode material. CONSTITUTION: A manufacturing method of an anode active material for a lithium secondary battery comprises: a step of manufacturing a metal salt solution which includes a lithium source, a manganese source, a nickel source and cobalt source; a step of manufacturing a slurry by performing a wet grinding of the metal salt solution at 2000-6000 rpm for 2-12 hours with using a beads in which a particle diameter is 0.05-0.30 mm; a step of adding a carbon source in the slurry; a step of manufacturing s mixed powder by drying with spraying the slurry; a step of heat-treating the mixed powder. [Reference numerals] (AA) Voltage [V]; (BB) Capacity [mAh]
Abstract translation: 目的：提供阳极活性材料的制造方法，以大量生产具有高表面孔隙率，均匀组成和粒度的阳极活性材料，并且能够调节阳极材料的粒度和形状。 构成：锂二次电池用负极活性物质的制造方法包括：制造包含锂源，锰源，镍源和钴源的金属盐溶液的工序; 通过使用粒径为0.05〜0.30mm的珠子，以2000〜6000rpm对金属盐溶液进行2〜12小时的湿磨，制造浆料的工序; 在浆料中添加碳源的步骤; 通过喷雾浆料干燥制造混合粉末的步骤; 对该混合粉末进行热处理的工序。 （标号）（AA）电压[V]; （BB）容量[mAh]
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公开(公告)号：KR1020120116822A
公开(公告)日：2012-10-23
申请号：KR1020110034480
申请日：2011-04-13
Applicant: 전자부품연구원
CPC classification number: Y02E60/528 , H01M8/18 , H01M8/02
Abstract: PURPOSE: A carbon-graphite composite-based bipolar plate is provided to have lower specific resistance value than existing bipolar plates so that improving energy efficiency of a redox flow secondary battery and improving life time. CONSTITUTION: A carbon-graphite composite-based bipolar plate comprises 10-20 wt% of a carbon-based material, 50-78 wt% of a graphite-based material, 8-18 wt% of a resin, 3.99-10 wt% of a hardener, and 0.01-2 wt% of a curing accelerator. The carbon-based material is selected from carbon black, hard carbon, soft carbon, petroleum cokes, plastic resin, carbon fiber and pyrocarbon. The particle diameter of the carbon-based material is 50 micron or less. A redox flow secondary battery comprises the carbon-graphite composite-based bipolar plate.
Abstract translation: 目的：提供基于碳 - 石墨复合材料的双极板以具有比现有双极板更低的电阻值，从而提高氧化还原液二次电池的能量效率并延长使用寿命。 构成：基于碳 - 石墨复合材料的双极板包括10-20重量％的碳基材料，50-78重量％的石墨基材料，8-18重量％的树脂，3.99-10重量％ 的固化剂和0.01〜2重量％的固化促进剂。 碳基材料选自炭黑，硬碳，软碳，石油焦炭，塑料树脂，碳纤维和热解碳。 碳基材料的粒径为50微米以下。 氧化还原液二次电池包括基于碳 - 石墨复合材料的双极板。
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公开(公告)号：KR101920485B1
公开(公告)日：2018-11-21
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
Abstract: 리튬이차전지용전구체, 이를포함하는양극활물질, 이의제조방법및 상기양극활물질을포함하는리튬이차전지에관한것으로, 더욱상세하게는두께가약 1 내지약 30nm인판상형플레이트(plate)를가지며, 하기화학식 1로표시되는전구체를제공한다. [화학식 1] NiCoMnM(OH)(0
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