公开(公告)号：WO2017067463A1

公开(公告)日：2017-04-27

申请号：PCT/CN2016/102593

申请日：2016-10-19

Applicant: BYD COMPANY LIMITED

Inventor： XIE, Jing ,  MA, Yongjun ,  YI, Guangui ,  GUO, Zizhu

IPC: H01M10/0562 ,  H01M10/052

CPC classification number: H01M10/052 ,  H01M2/1646 ,  H01M10/0562 ,  H01M2300/0068

Abstract: A solid electrolyte material and a method for preparing the same, a solid electrolyte and a battery are provided. The solid electrolyte material includes: at least one of crystalline inorganic solid electrolyte having a formula of Li 10±1 AB 2 X 12 (I); and at least one of amorphous inorganic solid electrolyte having a formula of yLi 2 X'-(100-y)P 2 X' 5 (II).

Abstract translation: 提供固体电解质材料及其制备方法，固体电解质和电池。 所述固体电解质材料包括：具有式子为Li 10 + 1：AB 2 -X 12（I）的结晶无机固体电解质中的至少一种; ; 和至少一种具有式yLi 2 X' - （100-y）P 2 X 1 -X 5（式 II）。

公开(公告)号：EP3493303A1

公开(公告)日：2019-06-05

申请号：EP17833541.0

申请日：2017-07-25

Applicant: BYD Company Limited

Inventor： XIE, Jing ,  GUO, Zizhu ,  MA, Yongjun ,  YI, Guangui ,  SONG, Wei ,  LI, Biao

IPC: H01M4/62 ,  H01M4/133 ,  H01M4/131 ,  H01M4/134 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/1395 ,  H01M10/0525

Abstract: The present disclosure provides a negative electrode material and a preparation method thereof, a negative electrode and an all-solid-state lithium-ion battery. The negative electrode material includes a negative electrode active substance and a coating layer on the surface of the negative electrode active substance, the coating layer including a polymer electrolyte and a sulfide solid electrolyte.

公开(公告)号：EP3350866A1

公开(公告)日：2018-07-25

申请号：EP16856894.7

申请日：2016-10-19

Applicant: BYD Company Limited

Inventor： XIE, Jing ,  MA, Yongjun ,  YI, Guangui ,  GUO, Zizhu

IPC: H01M10/0562 ,  H01M10/052

CPC classification number: H01M10/0562 ,  H01M2/1646 ,  H01M4/131 ,  H01M10/052 ,  H01M10/058 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2300/0068

Abstract: A solid electrolyte material and a method for preparing the same, a solid electrolyte and a battery are provided. The solid electrolyte material includes: at least one of crystalline inorganic solid electrolyte having a formula of Li10±1AB2X12 (I); and at least one of amorphous inorganic solid electrolyte having a formula of yLi2X′-(100-y)P2X′5 (II).

公开(公告)号：EP3316379A1

公开(公告)日：2018-05-02

申请号：EP16813546.5

申请日：2016-03-29

Applicant: BYD Company Limited

Inventor： YI, Guangui ,  MA, Yongjun ,  GUO, Zizhu ,  WANG, Xianghui ,  XIE, Jing

IPC: H01M10/0562 ,  H01M10/058 ,  H01M10/0525

CPC classification number: H01M10/0562 ,  H01M10/02 ,  H01M10/0525 ,  H01M10/058 ,  H01M2300/0071 ,  H01M2300/0091 ,  Y02T10/7011

Abstract: A solid electrolyte contains an internal component and an external component coated on a surface of the internal component. The internal component is represented by a formula Li 1+x M x Ti 2-x (PO 4 ) 3 , M is one or more elements selected from a group consisting of Al, La, Cr, Ga, Y, and In, and 0.05≤ x ≤0.4. The external component has an ionic conductivity of no less than 10 -6 S/cm, an electrochemical window of the solid electrolyte is no less than 5V. A method of preparing the solid electrolyte and a lithium ion battery including the solid electrolyte are also provided.

Abstract translation: 固体电解质含有内部组分和涂覆在内部组分表面上的外部组分。 内部成分由式Li1 + xMxTi2-x（PO4）3表示，M为选自Al，La，Cr，Ga，Y和In中的一种或多种元素，并且0.05≤x≤0.4。 外部元件的离子电导率不小于10-6S / cm，固体电解质的电化学窗口不小于5V。 还提供了制备固体电解质的方法和包含该固体电解质的锂离子电池。

公开(公告)号：EP4333128A1

公开(公告)日：2024-03-06

申请号：EP22815219.5

申请日：2022-05-30

Applicant: BYD Company Limited

Inventor： PAN, Yi ,  XIE, Jing ,  GUO, Zizhu ,  SUN, Huajun

IPC: H01M4/64 ,  H01M4/134

Abstract: The present disclosure provides a current collector, a preparation method for a current collector, a negative electrode, and an electrochemical energy storage device. The current collector includes: a first polymer layer; a metal layer, the metal layer being disposed on a side of the first polymer layer; and a second polymer layer, the second polymer layer being disposed on a side of the metal layer facing away from the first polymer layer; and in a direction from the first polymer layer to the second polymer layer, the current collector having a number of through-holes that penetrate the current collector.