公开(公告)号：US20140349177A1

公开(公告)日：2014-11-27

申请号：US14016549

申请日：2013-09-03

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Kyung Yoon CHUNG ,  Byung Won CHO ,  Joong Kee LEE ,  Hyung Sun KIM ,  Jae Hyun CHO ,  Won Young CHANG ,  Hwa Young LEE

IPC: H01M10/0568 ,  H01M10/058 ,  H01M4/58 ,  H01M10/054 ,  H01M10/052

CPC classification number: H01M10/0568 ,  H01M4/381 ,  H01M4/466 ,  H01M10/052 ,  H01M10/054 ,  H01M10/058 ,  H01M2300/0025 ,  Y10T29/49108

Abstract: The present disclosure relates to a magnesium hybrid battery and a method for fabricating same. The magnesium hybrid battery according to the present disclosure, which includes magnesium or magnesium alloy metal as an anode, a cathode including a cathode active material wherein not only magnesium ion but also one or more ion selected from lithium ion and sodium ion can be intercalated and deintercalated and an electrolyte including magnesium ion and further including one or more ion selected from lithium ion and sodium, can overcome the limitation of the existing magnesium secondary battery and provide improved battery capacity, output characteristics, cycle life, safety, etc.

Abstract translation: 本发明涉及镁混合电池及其制造方法。 根据本公开的镁混合电池，其包括镁或镁合金金属作为阳极，阴极包括正极活性材料，其中不仅可以插入镁离子而且还可以插入一种或多种选自锂离子和钠离子的离子， 脱嵌和包含镁离子的电解质，并且还包括一种或多种选自锂离子和钠的离子，可以克服现有镁二次电池的限制，并提供改进的电池容量，输出特性，循环寿命，安全性等。

公开(公告)号：US20140141324A1

公开(公告)日：2014-05-22

申请号：US13870439

申请日：2013-04-25

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Kyung Yoon CHUNG ,  Byung Won CHO ,  Joong Kee LEE ,  Jae Hyun CHO ,  Sang Hoon LEE ,  Won Young CHANG

IPC: H01M10/0567 ,  H01M10/054

CPC classification number: H01M10/0567 ,  H01M10/054 ,  H01M10/0568

Abstract: Provided are an electrolyte for a magnesium secondary battery having improved ion conductivity and stability, and a method for preparing the same. The electrolyte for a magnesium secondary battery shows higher ion conductivity as compared to the electrolyte according to the related art, increases the dissociation degree of a magnesium halide electrolyte salt, and provides stable electrochemical characteristics. In addition, after determining the capacity, output characteristics and cycle life of the magnesium secondary battery including the electrolyte, the battery provides significantly higher discharge capacity after 100 cycles, as compared to the electrolyte according to the related art. Therefore, the electrolyte may be useful for an electrolyte solution of a magnesium secondary battery.

Abstract translation: 提供一种具有改善的离子传导性和稳定性的用于镁二次电池的电解质及其制备方法。 与现有技术的电解液相比，镁二次电池用电解液的离子传导性高，卤化镁电解质盐的解离度提高，电化学性能稳定。 此外，在确定包括电解质的镁二次电池的容量，输出特性和循环寿命之后，与根据现有技术的电解液相比，电池在100次循环后提供显着更高的放电容量。 因此，电解质可用于镁二次电池的电解液。

公开(公告)号：US20170187032A1

公开(公告)日：2017-06-29

申请号：US15149520

申请日：2016-05-09

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Won Young CHANG ,  Byung Won CHO ,  Kyung Yoon CHUNG ,  Si Hyoung OH ,  Young Sun SHIN ,  Sooyeon HWANG ,  Yoon Bong OH

IPC: H01M4/134 ,  H01M4/62 ,  H01M4/1395 ,  H01M10/0568 ,  H01M10/0525 ,  H01M10/0585 ,  H01M2/16 ,  H01M10/0569 ,  H01M4/38 ,  H01M4/04

CPC classification number: H01M4/134 ,  H01M4/0471 ,  H01M4/1395 ,  H01M4/366 ,  H01M4/386 ,  H01M4/62 ,  H01M4/625 ,  H01M10/052

Abstract: Disclosed is a silicon-based anode active material for a lithium secondary battery. The silicon-based anode active material imparts high capacity and high power to the lithium secondary battery, can be used for a long time, and has good thermal stability. Also disclosed is a method for preparing the silicon-based anode active material. The method includes (A) binding metal oxide particles to the entire surface of silicon particles or portions thereof to form a silicon-metal oxide composite, (B) coating the surface of the silicon-metal oxide composite with a polymeric material to form a silicon-metal oxide-polymeric material composite, and (C) heat treating the silicon-metal oxide-polymeric material composite under an inert gas atmosphere to convert the coated polymeric material layer into a carbon coating layer.

公开(公告)号：US20160372787A1

公开(公告)日：2016-12-22

申请号：US14951973

申请日：2015-11-25

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Kyung Yoon CHUNG ,  Hun-Gi JUNG ,  Won Young CHANG ,  Byung Won CHO ,  Wonchang CHOI ,  Si Hyoung OH ,  Yoon-Sung LEE ,  Susanto DIEKY ,  Dong-Won KIM ,  Won-Kyung SHIN

IPC: H01M10/0565

CPC classification number: H01M10/0565 ,  H01M10/052 ,  H01M2300/0085

Abstract: Provided are a gel polymer electrolyte and a secondary battery including the same. More particularly, the gel polymer electrolyte includes a sodium cation-containing polymer from which sodium cations can be dissociated, and thus provides improved ion conductivity of sodium cations, thereby improving the electrochemical properties of a secondary battery.

Abstract translation: 提供了一种凝胶聚合物电解质和包含该聚合物电解质的二次电池。 更具体地说，凝胶聚合物电解质包括含钠阳离子的聚合物，钠阳离子可以从其中解离，从而提供了钠阳离子的改进的离子传导性，从而提高了二次电池的电化学性能。

公开(公告)号：US20150243990A1

公开(公告)日：2015-08-27

申请号：US14528639

申请日：2014-10-30

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Kyung Yoon CHUNG ,  Won Young CHANG ,  Byung Won CHO ,  Ali GHULAM ,  Ji-Young KIM

IPC: H01M4/583 ,  H01M10/054 ,  H01M4/36

CPC classification number: H01M10/054 ,  H01M4/136 ,  H01M4/36 ,  H01M4/5825 ,  H01M4/625 ,  H01M2004/028 ,  H01M2220/20

Abstract: A cathode active material for a sodium secondary battery is provided. The cathode active material includes a FeF2.5(0.5H2O)-conductive carbon material composite and is prepared by low-temperature non-aqueous precipitation. The FeF2.5(0.5H2O)-conductive carbon material composite has high capacity and excellent cycle characteristics. In addition, the FeF2.5(0.5H2O)-conductive carbon material composite is prepared in an easy and economical manner by low-temperature non-aqueous precipitation. Therefore, the use of the FeF2.5(0.5H2O)-conductive carbon material composite ensures improved performance of the cathode active material. Further provided are a method for preparing the cathode active material and a sodium secondary battery employing the cathode active material.

Abstract translation: 提供了一种用于钠二次电池的阴极活性材料。 正极活性材料包括FeF2.5（0.5H2O）导电碳材料复合材料，并通过低温非水沉淀法制备。 FeF2.5（0.5H2O）导电碳材料复合材料具有高容量和优异的循环特性。 此外，FeF2.5（0.5H2O）导电碳材料复合材料通过低温非水性沉淀以简单经济的方式制备。 因此，使用FeF2.5（0.5H2O）导电碳材料复合物可确保改善阴极活性材料的性能。 还提供了制备阴极活性材料的方法和采用正极活性材料的钠二次电池。

公开(公告)号：US20140057175A1

公开(公告)日：2014-02-27

申请号：US13742108

申请日：2013-01-15

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Kyung Yoon CHUNG ,  Byung Won CHO ,  Won Young CHANG ,  Jae Hyung CHO ,  Jae-kyo NOH ,  Soo KIM ,  Sujin KIM

IPC: H01M4/505 ,  H01M4/36

CPC classification number: H01M4/505 ,  C01G45/125 ,  C01G53/50 ,  C01P2004/04 ,  C01P2004/64 ,  C01P2004/84 ,  H01M4/366 ,  H01M4/525

Abstract: Provided is a cathode active material for a lithium secondary battery and a method for preparing the same. The cathode active material for a lithium secondary battery allows a lithium secondary battery to realize high capacity and to maintain maximum capacity even at high voltage, prevents a drop in capacity during repeated charge/discharge cycles, and improves the lifespan of a lithium secondary battery.

Abstract translation: 本发明提供一种锂二次电池用正极活性物质及其制备方法。 用于锂二次电池的阴极活性材料允许锂二次电池实现高容量并且即使在高电压下也能保持最大容量，防止重复充电/放电循环期间的容量下降，并且提高锂二次电池的寿命。