公开(公告)号：US20160028117A1

公开(公告)日：2016-01-28

申请号：US14633807

申请日：2015-02-27

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Si Hyoung OH ,  Byung Won CHO ,  Kyung Yoon CHUNG ,  Joong Kee LEE ,  Won Young CHANG ,  Jae Hyun CHO ,  Junghoon HA

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M10/054

CPC classification number: H01M10/0567 ,  H01M10/054 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0025

Abstract: Disclosed is an electrolyte solution for a magnesium rechargeable battery with a high ionic conductivity and a wide electrochemical window compared to the conventional electrolyte solution. The electrolyte solution is prepared by dissolving magnesium metal into the ethereal solution using combinations of metal chloride catalysts. The electrolyte solution can be applied to fabricate magnesium rechargeable batteries and magnesium hybrid batteries with a markedly increased reversible capacity, rate capability, and cycle life compared to those batteries employing the conventional electrolyte solution. Also disclosed is a method for preparing the electrolyte.

Abstract translation: 公开了与常规电解质溶液相比，具有高离子电导率和宽电化学窗口的镁可充电电池的电解液。 通过使用金属氯化物催化剂的组合将镁金属溶解在醚溶液中来制备电解质溶液。 与使用常规电解质溶液的电池相比，电解质溶液可用于制造镁可充电电池和镁混合电池，其具有显着增加的可逆容量，速率能力和循环寿命。 还公开了一种制备电解质的方法。

公开(公告)号：US20160020464A1

公开(公告)日：2016-01-21

申请号：US14528609

申请日：2014-10-30

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Kyung Yoon CHUNG ,  Ji Ung KIM ,  Haein JO ,  Ji-Young KIM ,  Si Hyoung OH ,  Won Chang CHOI ,  Hwa Young LEE ,  Byung Won CHO

IPC: H01M4/58 ,  H01M4/136

CPC classification number: H01M4/5825 ,  H01M4/0471 ,  H01M4/136 ,  H01M4/505 ,  H01M10/052 ,  H01M2004/021

Abstract: Disclosed is a lithium manganese borate-based cathode active material. The cathode active material can be used to fabricate a lithium ion secondary battery that has advantages, such as high output capacity and cycle capacity, in comparison with lithium ion secondary batteries using conventional cathode active materials. Also disclosed are a lithium ion secondary battery including the cathode active material and a method for preparing the cathode active material.

Abstract translation: 公开了一种基于硼酸锂的阴极活性材料。 与使用常规的阴极活性物质的锂离子二次电池相比，正极活性物质可用于制造具有诸如高输出容量和循环容量等优点的锂离子二次电池。 还公开了包括阴极活性材料的锂离子二次电池和制备阴极活性材料的方法。

公开(公告)号：US20140255786A1

公开(公告)日：2014-09-11

申请号：US14084196

申请日：2013-11-19

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Si Hyoung OH ,  Won Il CHO ,  Seung Ho YU ,  Eon Sung SHIN ,  Min Seop KIM

IPC: H01M4/36

CPC classification number: H01M4/364 ,  C01B32/18 ,  H01M4/0416 ,  H01M4/136 ,  H01M4/366 ,  H01M4/38 ,  H01M4/5815 ,  H01M4/625 ,  H01M10/052

Abstract: A preparation method of a hollow carbon sphere includes preparing a hollow carbon sphere including fine pores by using mold particles and a material including metal-phthalocyanine. The prepared hollow carbon sphere has a carbon shell surface including fine pores, and the hollow carbon sphere may be impregnated with sulfur to prepare a carbon shell-sulfur composite and may be utilized as an anode material of a lithium-sulfur secondary battery. The carbon-sulfur composite material may improve extremely low electrical conductivity of sulfur, confine sulfur and lithium polysulfide originated from sulfur in the carbon shell in which fine pores are distributed to prevent lithium polysulfide having an extended chain structure from being dissolved in an electrolyte, minimize a shuttle reaction, reduce an overcharge amount between charging and discharging, and improve performance of a secondary battery. In addition, a method for mass-producing hollow carbon sphere and carbon shell-sulfur composite material is provided.

Abstract translation: 中空碳球的制备方法包括通过使用模具颗粒和包括金属 - 酞菁的材料制备包括细孔的中空碳球。 制备的中空碳球具有包括细孔的碳壳表面，并且中空碳球可以用硫浸渍以制备碳壳 - 硫复合物，并且可以用作锂 - 硫二次电池的负极材料。 碳 - 硫复合材料可以提高硫的极低导电性，限制硫和硫化锂在其中分布有细孔的碳壳中的硫以防止具有延长链结构的多硫化物溶解在电解质中，使 穿梭反应，减少充电和放电之间的过充电量，并提高二次电池的性能。 此外，提供了用于大规模生产中空碳球和碳壳 - 硫复合材料的方法。