公开(公告)号：US20130260257A1

公开(公告)日：2013-10-03

申请号：US13603603

申请日：2012-09-05

Applicant: Shin Jung CHOI

Inventor： Shin Jung CHOI

IPC: H01M10/056

CPC classification number: H01M10/056 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/0565 ,  H01M2300/0068 ,  H01M2300/0085 ,  Y02E60/122

Abstract: Provided are a multi-layered structure electrolyte including a gel polymer electrolyte on opposite surfaces of a ceramic solid electrolyte, for a lithium ion secondary battery including positive and negative electrodes capable of intercalating/deintercalating lithium ions, and a lithium ion secondary battery including the electrode. The electrolyte includes a gel polymer electrolyte on opposite surfaces of a ceramic solid electrolyte.

Abstract translation: 本发明提供一种包括在陶瓷固体电解质的相对表面上的凝胶聚合物电解质的多层结构电解质，其包括能够插入/脱嵌锂离子的正极和负极的锂离子二次电池，以及包含该电极的锂离子二次电池 。 电解质包括在陶瓷固体电解质的相对表面上的凝胶聚合物电解质。

公开(公告)号：US20120282512A1

公开(公告)日：2012-11-08

申请号：US13445883

申请日：2012-04-12

Applicant: Shin Jung CHOI

Inventor： Shin Jung CHOI

IPC: C01G45/02 ,  H01M10/02 ,  C01D15/02 ,  D01F9/08 ,  B82Y40/00 ,  B82Y30/00

CPC classification number: C01G45/02 ,  B82Y30/00 ,  B82Y40/00 ,  C01P2002/72 ,  C01P2004/03 ,  C01P2004/16 ,  C01P2006/40 ,  H01M4/0497 ,  H01M4/24 ,  H01M4/42 ,  H01M4/50 ,  H01M4/505 ,  H01M6/06 ,  H01M10/24 ,  Y10T428/298

Abstract: Provided are a manganese oxide nanowire, specifically, a manganese oxide nanowire having an aspect ratio of 20 or more, which can be widely used in various fields, including batteries, oxygen generators, and redox catalysts, a rechargeable battery including the manganese oxide nanowire, and a method of producing manganese oxide. Since the manganese oxide nanowire having a large aspect ratio has an increased specific surface area, it can be effectively used in various fields. In addition, various kinds of manganese oxide nanowires can be simply manufactured.

Abstract translation: 本发明提供一种锰氧化物纳米线，具体而言，可以广泛应用于电池，氧气发生器，氧化还原催化剂等各种领域的纵横比为20以上的锰氧化物纳米线，包含氧化锰纳米线的二次电池， 和氧化锰的制造方法。 由于长径比大的锰氧化物纳米线的比表面积增加，因此可以有效地用于各种领域。 此外，可以简单地制造各种氧化锰纳米线。

公开(公告)号：US20130260249A1

公开(公告)日：2013-10-03

申请号：US13603622

申请日：2012-09-05

Applicant: Shin Jung CHOI

Inventor： Shin Jung CHOI

IPC: H01M4/505 ,  H01M6/00 ,  H01M4/525

CPC classification number: H01M4/0404 ,  H01M4/364 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/44 ,  H01M2004/028 ,  Y10T29/49108

Abstract: A lithium ion secondary battery and a method for preparing the same are provided. The lithium ion secondary battery includes a positive electrode having a positive active material represented by Formula (1), a negative electrode and an electrolyte, wherein the positive active material is activated by performing a first charge operation with a voltage ranging from 4.5 V to 4.7 V and the voltage is then reduced to less than 4.5 V: aLi2MnO3-(1-a)LiMO2  (1) where M is at least one selected from the group consisting of Ni, Co and Mn, and 0

Abstract translation: 提供锂离子二次电池及其制备方法。 锂离子二次电池包括具有由式（1）表示的正极活性物质，负极和电解质的正极，其中通过以4.5V至4.7的电压进行第一次充电操作来激活正极活性物质 V，然后将电压降低到小于4.5V：aLi2MnO3-（1-a）LiMO2（1）其中M是选自Ni，Co和Mn中的至少一种，0

公开(公告)号：US20120288752A1

公开(公告)日：2012-11-15

申请号：US13469694

申请日：2012-05-11

Applicant: Shin Jung CHOI ,  Mi Sun Lee

Inventor： Shin Jung CHOI ,  Mi Sun Lee

IPC: H01M10/056 ,  C09K3/00

CPC classification number: H01M10/0567 ,  H01M10/052 ,  H01M10/4235 ,  H01M2300/0025

Abstract: An additive for overcharge prevention of a lithium ion battery is provided. A nonaqueous electrolyte for a lithium ion battery including a lithium salt and an organic solvent is also provided, which includes both a terphenylene derivative and a xylene derivative. The additive undergoes oxidative polymerization during overcharge and increases resistance of an electrode surface, thereby shutting down overcharge current. When the additive of the present invention is used in the electrolyte of a lithium ion battery, the safety of battery can be improved during overcharge.

Abstract translation: 提供了一种锂离子电池的过充电防止添加剂。 还提供了包含锂盐和有机溶剂的锂离子电池的非水电解质，其包括二亚苯衍生物和二甲苯衍生物。 添加剂在过充电过程中发生氧化聚合，增加电极表面的电阻，从而关断过充电电流。 当将本发明的添加剂用于锂离子电池的电解质中时，可以在过充电期间提高电池的安全性。

公开(公告)号：US20130260244A1

公开(公告)日：2013-10-03

申请号：US13603752

申请日：2012-09-05

Applicant: Shin Jung CHOI ,  Sung Nim Jo

Inventor： Shin Jung CHOI ,  Sung Nim Jo

IPC: H01M4/505 ,  H01M4/54 ,  H01M4/525 ,  B82Y30/00

CPC classification number: H01M4/502 ,  H01M10/0525 ,  H01M2004/021

Abstract: Provided are a lithium manganese oxide positive active material for a lithium ion secondary battery and a lithium ion secondary battery including the same. The lithium manganese oxide positive active material includes a spinel lithium manganese oxide of three or more types of particles having different sizes mixed therein, wherein first type particles have an average diameter of 5 μm or greater, second type particles have an average diameter of 1 μm or less, third type particles have an average diameter of 200 nm or less, and the average diameter of the second type particles is greater than that of the third type particles.

Abstract translation: 提供一种用于锂离子二次电池的锂锰氧化物正极活性物质和包含该锂离子二次电池的锂离子二次电池。 锂锰氧化物正极活性物质包括混合有不同尺寸的三种或更多种类型的颗粒的尖晶石锂锰氧化物，其中第一类型的颗粒具有5μm以上的平均直径，第二类型的颗粒的平均直径为1μm 或更少的第三类型颗粒的平均直径为200nm以下，第二类型的颗粒的平均直径大于第三类型颗粒的平均直径。

公开(公告)号：US20120282164A1

公开(公告)日：2012-11-08

申请号：US13449146

申请日：2012-04-17

Applicant: Shin Jung CHOI

Inventor： Shin Jung CHOI

IPC: C01D15/02 ,  C01G45/02 ,  B82Y30/00 ,  B82Y40/00

CPC classification number: B82Y30/00 ,  B82Y40/00 ,  C01G45/02 ,  C01G45/1228 ,  C01P2002/72 ,  C01P2004/03

Abstract: Provided are a method of easily controlling the aspect ratio of a nano-structure, which can be effectively used in various fields of application, including a positive active material for a rechargeable battery, an electrode material for a storage battery, a redox catalyst, a molecule support, and so on, and by which various nano-structures of desired sizes can be easily produced according to the necessity. The method includes preparing a mixed solution including a manganese salt and an oxidant, adding a pH controlling additive to the mixed solution and controlling a pH level of the mixed solution using the following equation, and heating the pH-controlled mixed solution at a temperature in a range of 50□ to 200□ for 1 hour to 10 days to cause a reaction to take place: Specific surface area (m2/g)=0.2 pH2+2.

Abstract translation: 提供一种易于控制纳米结构的纵横比的方法，其可以有效地用于各种应用领域，包括用于可再充电电池的正极活性材料，蓄电池用电极材料，氧化还原催化剂， 分子载体等，并且根据需要可以容易地制备所需尺寸的各种纳米结构。 该方法包括制备包含锰盐和氧化剂的混合溶液，向混合溶液中加入pH控制添加剂，并使用以下等式控制混合溶液的pH值，并将pH控制的混合溶液加热至 范围为50〜200□1小时〜10天，发生反应：比表面积（m2 / g）= 0.2 pH2 + 2。