公开(公告)号：US20230150822A1

公开(公告)日：2023-05-18

申请号：US17986174

申请日：2022-11-14

Applicant: KOREA INSTITUTE OF ENERGY RESEARCH

Inventor： Seung Hae HWANG ,  Chang-soo JIN ,  Kyoung-hee SHIN ,  Sun-hwa YEON ,  Se-Kook PARK ,  Dong Ha KIM

IPC: C01B32/184 ,  C07C45/61 ,  H01M4/66

CPC classification number: C01B32/184 ,  C07C45/61 ,  H01M4/663 ,  B82Y30/00

Abstract: Provided are reduced acylated graphene oxide as an electrode active material and a method for preparing the same. By the method for preparing reduced acylated graphene oxide according to the present invention, a negative electrode active material for a lithium secondary battery having stable activity and a high battery capacity may be prepared with a simple and low-cost process. In addition, the active material prepared by the preparation method has low resistance, a high battery capacity, and improved rate-limiting characteristics while having stable cycle characteristics.

公开(公告)号：US20160308236A1

公开(公告)日：2016-10-20

申请号：US15099742

申请日：2016-04-15

Applicant: KOREA INSTITUTE OF ENERGY RESEARCH

Inventor： Sun-Hwa YEON ,  Kyoung-Hee SHIN ,  Jae-Deok JEON ,  Jung Joon YOO ,  Hana YOON ,  Chang-Soo JIN ,  Joon-Mok SHIM ,  Jung-Hoon YANG ,  Kyu-Nam JUNG ,  Dong-Ha KIM ,  Se-Kook PARK

IPC: H01M8/18 ,  H01G11/02 ,  H01G11/54 ,  H01G11/74 ,  H01M8/20 ,  H01M8/04082

CPC classification number: H01M8/188 ,  H01G11/02 ,  H01G11/08 ,  H01G11/14 ,  H01G11/22 ,  H01G11/54 ,  H01G11/74 ,  H01M8/04082 ,  H01M8/04201 ,  Y02E60/528 ,  Y02P70/56

Abstract: Disclosed is a flow-type energy storage device having an improved flow of fluid. The flow-type energy storage device stores electricity using a fluidic material, and includes a reaction region in which charge-discharge reaction of electricity is performed by the fluidic material, wherein the reaction region has an octagonal cross-section. The shape of the reaction region is controlled to thus improve the flowability of the fluidic material, thereby providing a flow-type energy storage device that has almost constant electrical properties even when a charging and discharging cycle is repeatedly performed. Further, the structures of an inlet and an outlet are not complicated and a separate part for controlling the flow of fluid is not used in the device, and accordingly, additional costs are not incurred during a process of manufacturing the flow-type energy storage device.

Abstract translation: 公开了一种具有改善的流体流动的流量型储能装置。 流动型储能装置使用流体材料储存电力，并且包括由流体材料进行电的充放电反应的反应区域，其中反应区域具有八边形横截面。 控制反应区域的形状，从而提高流体材料的流动性，从而提供即使在反复进行充放电循环时也具有几乎恒定的电特性的流动型储能装置。 此外，入口和出口的结构不复杂，并且在装置中不使用用于控制流体流动的单独部件，因此在制造流量型储能装置的过程中不会产生额外的成本 。