公开(公告)号：US20210257662A1

公开(公告)日：2021-08-19

申请号：US16652468

申请日：2020-01-20

Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

Inventor： Wenqiang LI ,  Shuirong ZHANG ,  Chunrui XU ,  Juan MA

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0569

Abstract: The present application relates to an electrolytic solution and an electrochemical device using same. The electrolytic solution of the present application comprises a compound containing a —CN functional group and a compound containing a P—O bond. By introducing the compound containing a —CN functional group and the compound containing a P—O bond into the electrolytic solution, an active material can be better protected, thereby effectively improving floatation performance and nailing performance of a battery, and cycle impedance of the battery.

公开(公告)号：US20190214680A1

公开(公告)日：2019-07-11

申请号：US16131317

申请日：2018-09-14

Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

Inventor： Xiangkun BO ,  Shuirong ZHANG ,  Chao TANG ,  Juan MA

IPC: H01M10/0567 ,  H01M10/0525

Abstract: The present application provides an electrolytic solution, comprising: a carbonate compound of the formula (I), wherein R1, R2, R3 and R4 are each independently selected from hydrogen or halogen, and at least one of R1, R2, R3 and R4 is halogen; a carbonate compound of the formula (II), wherein R5 and R6 are each independently selected from hydrogen, halogen, (C1-C10)alkyl, (C1-C10)haloalkyl, (C1-C10)alkoxy or (C1-C10)haloalkoxy, and at least one of R5 and R6 is (C1-C10)haloalkyl or (C1-C10)haloalkoxy; and a nitrile compound, the nitrile compound being selected from the group consisting of a dinitrile compound of the formula (III), a dinitrile compound of the formula (IV), a trinitrile compound of the formula (V), and a combination thereof: where x is a positive integer from 1 to 10, and y is a positive integer from 2 to 10.

公开(公告)号：US20210083327A1

公开(公告)日：2021-03-18

申请号：US16970295

申请日：2020-01-20

Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

Inventor： Junfei LIU ,  Shuirong ZHANG ,  Juan MA ,  Chao TANG

IPC: H01M10/0567 ,  H01M10/0525

Abstract: The present application relates to an electrolyte and an electrochemical device including the same. The electrolyte includes a diboronic acid compound and a nitrile compound, so that the storage performance and cycle performance of the electrochemical device using the electrolyte can be remarkably improved.

公开(公告)号：US20200243907A1

公开(公告)日：2020-07-30

申请号：US16735214

申请日：2020-01-06

Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

Inventor： Shuirong ZHANG ,  Wenqiang LI ,  Juan MA ,  Chao TANG

IPC: H01M10/0567 ,  H01M10/0568

Abstract: The present application relates to an electrolyte and an electrochemical device. The electrolyte comprises a cesium salt and a nitrile compound. The electrolyte provided in the present application improves rapid charge-discharge performance and cycle performance of a lithium-ion battery while improving the problem of battery gassing during continuous charge.

公开(公告)号：US20200161702A1

公开(公告)日：2020-05-21

申请号：US16406943

申请日：2019-05-08

Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

Inventor： Juan MA ,  Shuirong ZHANG ,  Junfei LIU ,  Chao TANG

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0525

Abstract: The present application relates to an electrolyte and an electrochemical device. The electrolyte includes an organic solvent, an additive and a lithium salt, the additive including a cyclic borate and a nitrile compound. The electrolyte of the present application has good stability at a high working voltage. In another embodiment of the present application, the combination of the electrolyte and an anode having a high compacted density provides a high energy density for the electrochemical device, and improves the storage, floating charge and dynamicperformance of the electrochemical device.