公开(公告)号：KR1020130125242A

公开(公告)日：2013-11-18

申请号：KR1020120048832

申请日：2012-05-08

Applicant: 한국전기연구원

Inventor： 도칠훈 ,  이유진 ,  최정희 ,  황민지 ,  배상호 ,  최시영 ,  허민영

IPC: H01M4/139 ,  H01M4/62 ,  H01M4/48 ,  H01M10/052

CPC classification number: H01M4/362 ,  H01M4/0404 ,  H01M4/622 ,  H01M4/625 ,  H01M4/661 ,  H01M4/667 ,  H01M10/0525 ,  Y02E60/122

Abstract: The present invention relates to a zinc anode active material having a lithium film inserted to inhibit initial irreversibility, a manufacturing method thereof and a lithium secondary battery comprising the same. The lithium secondary battery according to the present invention is a lithium secondary battery having a lithium film inserted to solve an initial irreversible specific capacity on the surface of the anode active material electrode produced by mixing a Zn-In-Ni composite anode active material with an aqueous binding agent including Styrene Butadiene Rubber (SBR) and Carboxy Methyl Cellulose (CMC), and a conducting agent. [Reference numerals] (AA) Initial discharge specific capacity, mAh/g;(BB) Initial irreversible specific capacity;(CC) Initial Ah efficiency;(DD) Initial Ah efficiency, mAh/g;(EE) lithium intake amount, %

Abstract translation: 本发明涉及具有插入以抑制初始不可逆性的锂薄膜的锌负极活性材料及其制造方法和包含该锂二次电池的方法。 根据本发明的锂二次电池是具有锂膜的锂二次电池，其被插入以解决通过将Zn-In-Ni复合阳极活性材料与其中的Zn-In-Ni复合阳极活性材料混合而产生的阳极活性材料电极的表面上的初始不可逆比容 包括苯乙烯丁二烯橡胶（SBR）和羧甲基纤维素（CMC）的水性粘合剂和导电剂。 （AA）初始放电比容量mAh / g;（BB）初始不可逆比容量;（CC）初始Ah效率;（DD）初始Ah效率，mAh / g;（EE）锂吸收量，％

公开(公告)号：KR1020130000209A

公开(公告)日：2013-01-02

申请号：KR1020110060778

申请日：2011-06-22

Applicant: 한국전기연구원

Inventor： 도칠훈 ,  황민지 ,  하윤철 ,  김주석 ,  배상호 ,  허민영 ,  진봉수

IPC: H01M4/58 ,  H01M4/1397 ,  H01M4/62 ,  H01M10/0566

Abstract: PURPOSE: A manufacturing method for a zinc-based negative electrode active material is provided to a zinc-based negative electrode active material that is capable of providing a lithium secondary battery with high efficiency, high energy, long lifetime, and uniformly distributed indium and nickel. CONSTITUTION: A manufacturing method of a Zn-In-Ni negative electrode active material comprises: a step for uniformly mixing a zinc acetate, indium acetate, nickel acetate by a chemical method using sol gel to form a Zn-In-Ni composite; and a step for heat-treating the manufactured Zn-In-Ni. The heat-treatment is conducted under argon or reduction atmosphere. A lithium secondary battery comprises a negative electrode which comprises a negative electrode active material. The heat-treatment is processed under argon or reducing atmosphere. A lithium secondary battery comprises a negative electrode, a positive electrode comprises a positive electrode active material, and an ion conductor comprises Zn-In-Ni composite as a negative electrode active material. [Reference numerals] (AA) Discharging rate capacity(mAh/g); (BB) The number of cycles(times)

Abstract translation: 目的：一种锌基负极活性物质的制造方法，其能够提供高效率，高能量，长寿命，均匀分布的铟和镍的锂二次电池用锌系负极活性物质 。 构成：Zn-In-Ni负极活性物质的制造方法包括：通过使用溶胶凝胶的化学法均匀混合乙酸锌，醋酸铟，乙酸镍以形成Zn-In-Ni复合物的步骤; 以及对所制造的Zn-In-Ni进行热处理的工序。 热处理在氩气或还原气氛下进行。 锂二次电池包括负极，其包含负极活性材料。 在氩气或还原气氛下进行热处理。 锂二次电池包括负极，正极包含正极活性物质，离子导体包含Zn-In-Ni复合物作为负极活性物质。 （附图标记）（AA）放电率容量（mAh / g）; （BB）循环次数（次）

公开(公告)号：KR101296789B1

公开(公告)日：2013-08-14

申请号：KR1020110060778

申请日：2011-06-22

Applicant: 한국전기연구원

Inventor： 도칠훈 ,  황민지 ,  하윤철 ,  김주석 ,  배상호 ,  허민영 ,  진봉수

IPC: H01M4/58 ,  H01M4/1397 ,  H01M4/62 ,  H01M10/0566

Abstract: 본 발명은 본 발명의 ZnO를 포함하는 아연계 음극활물질 제조방법은
(1) 아연 아세테이트, 인듐 아세테이트, 니켈 아세테이트를 졸겔의 화학방법으로 균일하게 혼합하여 Zn-In-Ni 복합물을 제조하되, 아연 아세테이트, 인듐 아세테이트, 니켈 아세테이트를 혼합한 후, 아크릴 아마이드와 메틸렌 비스 아크릴 아마이드를 70～80℃에서 교반 혼합하여 100～120℃에서 12시간 건조하는 Zn-In-Ni 복합물 제조 단계,
(2) 상기 Zn-In-Ni 복합물을 열처리하되, 상기 열처리는 300℃에서 5시간 동안 1차 열처리하고, 5℃/min으로 승온한후 550~750℃에서 3시간 동안 2차 열처리하여 Zn-In-Ni 산화물 복합체를 제조하는 것을 특징으로 한다.

Abstract translation: 目的：一种锌基负极活性物质的制造方法，其能够提供高效率，高能量，长寿命，均匀分布的铟和镍的锂二次电池用锌系负极活性物质 。 构成：Zn-In-Ni负极活性物质的制造方法包括：通过使用溶胶凝胶的化学法均匀混合乙酸锌，醋酸铟，乙酸镍以形成Zn-In-Ni复合物的步骤; 以及对所制造的Zn-In-Ni进行热处理的工序。 热处理在氩气或还原气氛下进行。 锂二次电池包括负极，其包含负极活性材料。 在氩气或还原气氛下进行热处理。 锂二次电池包括负极，正极包含正极活性物质，离子导体包含Zn-In-Ni复合物作为负极活性物质。 （附图标记）（AA）放电率容量（mAh / g）; （BB）循环次数（次）

公开(公告)号：KR1020130059534A

公开(公告)日：2013-06-07

申请号：KR1020110125564

申请日：2011-11-29

Applicant: 한국전기연구원

Inventor： 도칠훈 ,  진봉수 ,  하윤철 ,  황민지 ,  배상호 ,  최시영 ,  허민영

IPC: H01M4/139 ,  H01M4/48 ,  H01M10/052 ,  H01M4/62

CPC classification number: H01M4/362 ,  H01M4/622 ,  H01M4/625 ,  H01M10/0525 ,  Y02E60/122

Abstract: PURPOSE: A manufacturing method of a negative electrode active material electrode is provided to minimize content of a binder while maximizing adhesion, by mixing an aqueous binder instead of an organic binder. CONSTITUTION: A manufacturing method of a negative electrode comprises a step of manufacturing zinc acetate, indium acetate, nickel acetate by a sol-gel chemical method, to manufacture a Zn-In-Ni composite; a step of heat-treating the Zn-In-Ni composite; a step of mixing an aqueous binder which includes styrene butadiene rubber and carboxy methyl cellulose, and a conducting agent, to manufacture negative electrode mixture slurry; and a step of spreading the slurry on a copper current collector, and drying the slurry for compression.

Abstract translation: 目的：提供负极活性物质电极的制造方法，通过混合水性粘合剂代替有机粘合剂，使粘合剂的含量最小化，同时使附着力最大化。 构成：负极的制造方法包括通过溶胶 - 凝胶化学方法制造乙酸锌，醋酸铟，乙酸镍的步骤，制造Zn-In-Ni复合物; 对Zn-In-Ni复合材料进行热处理的步骤; 将包含苯乙烯丁二烯橡胶和羧甲基纤维素的水性粘合剂和导电剂混合以制造负极混合物浆料的步骤; 以及将浆料铺展在铜集电体上的步骤，干燥该浆料进行压缩。

公开(公告)号：KR101386150B1

公开(公告)日：2014-05-07

申请号：KR1020110114179

申请日：2011-11-03

Applicant: 한국전기연구원

Inventor： 도칠훈 ,  진봉수 ,  배상호 ,  최시영 ,  허민영 ,  황민지

IPC: H01M4/139 ,  H01M4/58 ,  H01M4/62 ,  H01M10/052

CPC classification number: Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: 본발명은전기자동차용등 대형리튬 2차전지용음극활물질로서각광받고있는주석계음극활물질전극의제조방법에관한것으로, 더욱상세하게는 Sol-Gel법을이용하여균질한화학성분조성의주석계음극활물질복합체를제조하고, 주석계금속이온재료복합체의종류와함량의조절, SBR-CMC 수계바인더를적용한개발을통하여우수한전지특성을나타내는주석계복합체인 Sn-Co-Fe-C 음극활물질을포함하는리듐이차전지를제공한다. 본발명에따른제조방법은간단한방법으로주석계복합체 Sn-Co-Fe-C 음극활물질을제조할수 있으며대량생산이용이하고경제적일뿐만아니라, 본발명의 Sn-Co-Fe-C 음극활물질을적용한리튬이차전지는고출력, 고에너지및 장수명특성을제공한다.

公开(公告)号：KR1020120137919A

公开(公告)日：2012-12-24

申请号：KR1020110057088

申请日：2011-06-13

Applicant: 한국전기연구원

Inventor： 도칠훈 ,  배상호 ,  김주석 ,  황민지 ,  허민영 ,  진봉수

IPC: H01M4/58 ,  H01M4/04 ,  H01M10/052 ,  H01M4/62

CPC classification number: Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011 ,  H01M4/58 ,  H01M4/04 ,  H01M4/62 ,  H01M10/052

Abstract: PURPOSE: A manufacturing method of a Sn-Co-Fe-C composite negative electrode active material is provided to easily manufacture a large amount of a tin-based composite Sn-Co-Fe-C negative electrode active material with excellent cycle performance and specific capacity. CONSTITUTION: A manufacturing method of a Sn-Co-Fe-C composite negative electrode active material comprises: a step of mixing tin metal salt, cobalt metal salt, iron metal salt and graphite into a distilled water; a step of forming a reductant/metal ion composite sol by mixing at 70-90 °C; a step of forming reductant/metal ion composite gel by heating the sol at 100-120 °C; and a step of heat treating the reductant/metal ion composite gel. [Reference numerals] (AA) Sn(II); (BB) Co(II); (CC) Fe(II); (DD) Graphite; (EE) Dissolving into a minimum amount of distilled water at 80°C; (FF) Sn-Co-Fe-C ion mixture solution; (GG) Ascorbic(2mole ratio) or Citric acid(1mole ratio); (HH) Ascorbic(2mole ratio); (II) N, N'-methylene-bis-acrylamide(2mole ratio); (JJ) (Sn-Co-Fe-C) aqueous solution; (KK) Sn-Co-Fe-C CAM or AAM sol-gel(1mole ratio); (LL) Drying(100°C, 12h); (MM) Sn-Co-Fe-C composite; (NN) Heat treatment(300°C, 5h, Ar); (OO) Sintering composite; (PP) Pulverizing; (QQ) Pulverizing sintering composite; (RR) Heat treatment(550-950°C), 3h, Ar, 5°C/min pulverizing and sorting; (SS) Sn-Co-Fe-C compound negative electrode active material

Abstract translation: 目的：提供Sn-Co-Fe-C复合负极活性物质的制造方法，以容易地制造出具有优异的循环性能和特定的锡系复合​​Sn-Co-Fe-C负极活性物质 容量。 构成：Sn-Co-Fe-C复合负极活性物质的制造方法包括：将锡金属盐，钴金属盐，铁金属盐和石墨混合到蒸馏水中的工序; 通过在70-90℃下混合形成还原剂/金属离子复合溶胶的步骤; 通过在100-120℃下加热溶胶形成还原剂/金属离子复合凝胶的步骤; 以及对还原剂/金属离子复合凝胶进行热处理的步骤。 （AA）Sn（II）; （BB）Co（II）; （CC）Fe（II）; （DD）石墨; （EE）在80℃下溶解至少量的蒸馏水; （FF）Sn-Co-Fe-C离子混合溶液; （GG）抗坏血酸（2摩尔比）或柠檬酸（1摩尔比）; （HH）抗坏血酸（2摩尔比）; （II）N，N'-亚甲基双丙烯酰胺（2摩尔比）; （JJ）（Sn-Co-Fe-C）水溶液; （KK）Sn-Co-Fe-C CAM或AAM溶胶 - 凝胶（1摩尔比）; （LL）干燥（100℃，12h）; （MM）Sn-Co-Fe-C复合材料; （NN）热处理（300℃，5h，Ar）; （OO）烧结复合材料; （PP）粉碎; （QQ）粉碎烧结复合材料; （RR）热处理（550-950℃），3h，Ar，5℃/ min粉碎和分选; （SS）Sn-Co-Fe-C复合负极活性物质

公开(公告)号：KR101264343B1

公开(公告)日：2013-05-14

申请号：KR1020110057088

申请日：2011-06-13

Applicant: 한국전기연구원

Inventor： 도칠훈 ,  배상호 ,  김주석 ,  황민지 ,  허민영 ,  진봉수

IPC: H01M4/58 ,  H01M4/04 ,  H01M10/052 ,  H01M4/62

CPC classification number: Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: 본발명은전기자동차용등 대형리튬 2차전지용음극활물질로서각광받고있는주석계음극활물질의제조방법에관한것으로, 더욱상세하게는 Sol-Gel법을이용하여균질한화학성분조성의주석계음극활물질복합체를제조하고, 주석계금속이온재료복합체의종류와함량의조절, 환원제의적용, 열처리조건의개발을통하여우수한전지특성을보이는주석계복합체인 Sn-Co-Fe-C를제조하는방법을제공한다. 또한, 본발명에따른제조방법은간단한방법으로주석계복합체 Sn-Co-Fe-C 음극활물질을제조할수 있으며대량생산이용이하고경제적일뿐만아니라, 본발명의 Sn-Co-Fe-C 음극활물질을적용한리튬이차전지는고출력, 고에너지및 긴수명특성을제공한다.

公开(公告)号：KR1020130049114A

公开(公告)日：2013-05-13

申请号：KR1020110114179

申请日：2011-11-03

Applicant: 한국전기연구원

Inventor： 도칠훈 ,  진봉수 ,  배상호 ,  최시영 ,  허민영 ,  황민지

IPC: H01M4/139 ,  H01M4/58 ,  H01M4/62 ,  H01M10/052

CPC classification number: Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011 ,  H01M4/139 ,  H01M4/133 ,  H01M4/134 ,  H01M4/362 ,  H01M4/387 ,  H01M4/587 ,  H01M4/622 ,  H01M4/625 ,  H01M10/0525

Abstract: PURPOSE: A manufacturing method of a negative electrode active material is provided to improve electrochemical performance of a negative electrode by using a styrene butadiene rubber and carboxyl methyl cellulose composite binder. CONSTITUTION: A manufacturing method of a negative electrode active material comprises a step of mixing a metal salt aqueous solution and reducing agent; a step of forming a reducing agent/metal ion sol by mixing the mixture; a step of forming a reducing agent/metal ion gel by heating the sol; a step of sintering the reducing agent/metal ion composite to form Sn-Co-Fe-C composite negative electrode active material; a step of mixing an aqueous binder and conducting agent into the negative electrode active material and manufacturing a negative electrode mixture slurry; and a step of spreading the negative electrode mixture slurry on a CU foil and drying the spread material. [Reference numerals] (AA) Dissolve minimum amount in distilled water at 80°C; (BB) Sn-Co-Fe-C ion mixed solution; (CC) Citric acid(1 molar ratio); (DD) Acrylamide(1-z molar ratio); (EE) N,N'-methylene-bis-acrylamide(z molar ratio); (FF) Stir at 80°C; (GG) (Sn-Co-Fe-C) aqueous solution; (HH) Sn-Co-Fe-C CAM(1 molar ratio); (II) Dry(100°C, 12h); (JJ) Sn-Co-Fe-C composite; (KK) Thermally treat(300°C, 5h, Ar); (LL) Plasticized composite; (MM) Pulverize; (NN) Pulverized plasticized composite; (OO) Thermally treat at 550°C, 3h, Ar, 5°C/min / Pulverize and distribute; (PP) Sn-Co-Fe-C compound anodizing material

Abstract translation: 目的：提供一种负极活性物质的制造方法，其通过使用苯乙烯丁二烯橡胶和羧甲基纤维素复合粘合剂来改善负极的电化学性能。 构成：负极活性物质的制造方法包括将金属盐水溶液和还原剂混合的工序; 通过混合该混合物形成还原剂/金属离子溶胶的步骤; 通过加热溶胶形成还原剂/金属离子凝胶的步骤; 烧结还原剂/金属离子复合物以形成Sn-Co-Fe-C复合负极活性材料的步骤; 将水性粘合剂和导电剂混合到负极活性物质中并制造负极混合浆料的步骤; 以及将负极混合物浆料铺展在CU箔上并干燥铺展材料的步骤。 （标号）（AA）将最小量溶于80℃的蒸馏水中; （BB）Sn-Co-Fe-C离子混合溶液; （CC）柠檬酸（1摩尔比）; （DD）丙烯酰胺（1-z摩尔比）; （EE）N，N'-亚甲基双丙烯酰胺（z摩尔比）; （FF）在80℃下搅拌; （GG）（Sn-Co-Fe-C）水溶液; （HH）Sn-Co-Fe-C CAM（1摩尔比）; （II）干燥（100℃，12h）; （JJ）Sn-Co-Fe-C复合材料; （KK）热处理（300℃，5h，Ar）; （LL）增塑复合材料; （MM）粉碎; （NN）粉碎塑化复合材料; （OO）在550°C，3h，Ar，5°C / min热处理粉碎和分散; （PP）Sn-Co-Fe-C复合阳极氧化材料