公开(公告)号：EP3080860A1

公开(公告)日：2016-10-19

申请号：EP15768430.9

申请日：2015-03-26

申请人： BYD Company Limited

发明人： YI, Guangui ,  MA, Yongjun ,  GUO, Zizhu

IPC分类号： H01M10/0562

CPC分类号： H01M10/0562 ,  B28B3/00 ,  C01B25/45 ,  C01B35/143 ,  C04B35/447 ,  C04B35/62805 ,  C04B35/62886 ,  C04B2235/3203 ,  C04B2235/3217 ,  C04B2235/3225 ,  C04B2235/3227 ,  C04B2235/3241 ,  C04B2235/3244 ,  C04B2235/3286 ,  C04B2235/3409 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/5454 ,  C04B2235/602 ,  C04B2235/6562 ,  H01M10/0525 ,  H01M2300/0068 ,  H01M2300/0094 ,  Y02T10/7011

摘要： 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 Li1+xMxZr2−x(PO4)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 contains a plastic deformable material and has a conductivity of about 10−7 S/cm to about 10−5S/cm. A method of preparing the solid electrolyte and a lithium ion battery including the solid electrolyte are also provided.

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

申请人： BYD Company Limited

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

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

摘要： 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：EP3080860B1

公开(公告)日：2020-11-11

申请号：EP15768430.9

申请日：2015-03-26

申请人： BYD Company Limited

发明人： YI, Guangui ,  MA, Yongjun ,  GUO, Zizhu

IPC分类号： H01M10/0525 ,  H01M10/0562 ,  C01B25/45 ,  C04B35/447 ,  C04B35/628 ,  C01B35/14

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

申请人： BYD Company Limited

发明人： XIE, Jing ,  MA, Yongjun ,  YI, Guangui ,  GUO, Zizhu

IPC分类号： H01M10/0562 ,  H01M10/052

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

摘要： 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

申请人： BYD Company Limited

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

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

CPC分类号： H01M10/0562 ,  H01M10/02 ,  H01M10/0525 ,  H01M10/058 ,  H01M2300/0071 ,  H01M2300/0091 ,  Y02T10/7011

摘要： 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.

摘要翻译： 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。