公开(公告)号：EP3745503A1

公开(公告)日：2020-12-02

申请号：EP18902731.1

申请日：2018-12-12

申请人： Panasonic Intellectual Property Management Co., Ltd.

发明人： SUGIMOTO Yuta ,  NATSUI Ryuichi ,  SASAKI Izuru ,  MIYAZAKI Akinobu

IPC分类号： H01M4/1315 ,  C01F17/00 ,  C01G25/00 ,  C01G53/00 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0562 ,  H01M10/0585

摘要： Provided is a positive electrode material which further improves charge / discharge efficiency. The positive electrode material according to the present disclosure includes a positive electrode active material and a first solid electrolyte material. The first solid electrolyte material includes Li, M, and X, and does not include sulfur. M is at least one selected from the group consisting of metalloid elements and metal elements other than Li. X is at least one selected from the group consisting of CI, Br, and I. The positive electrode active material includes a metal oxyfluoride.

公开(公告)号：EP4350799A1

公开(公告)日：2024-04-10

申请号：EP22815740.0

申请日：2022-04-19

申请人： Panasonic Intellectual Property Management Co., Ltd.

发明人： SUGIMOTO Yuta ,  HASHIMOTO Kazuya ,  MIYAZAKI Akinobu ,  NAGAO Kenji ,  SASAKI Izuru

IPC分类号： H01M4/13 ,  H01M4/36 ,  H01M4/62

摘要： A positive electrode material 10 includes a positive electrode active material 101, a coating layer 102, and a second solid electrolyte 105. The coating layer 102 contains a first solid electrolyte and coats at least a portion of a surface of the positive electrode active material 101. The first solid electrolyte contains Li, M, and X, where M is at least one selected from the group consisting of metalloid elements and metal elements other than Li, and X is at least one selected from the group consisting of F, Cl, Br, and I. The second solid electrolyte 105 is in indirect contact with the positive electrode active material 101 with the coating layer 102 disposed between the second solid electrolyte 105 and the positive electrode active material 101. A ratio of a volume of the first solid electrolyte to a total volume of the first solid electrolyte and the second solid electrolyte 105 is greater than or equal to 4% and less than or equal to 60%.

公开(公告)号：EP3736892A1

公开(公告)日：2020-11-11

申请号：EP18898874.5

申请日：2018-11-13

申请人： Panasonic Intellectual Property Management Co., Ltd.

发明人： SASAKI Izuru ,  SAKAI Akihiro ,  SUGIMOTO Yuta ,  MIYAZAKI Akinobu

IPC分类号： H01M4/62 ,  C01B17/22 ,  C01B25/14 ,  C01F17/00 ,  H01M4/13 ,  H01M4/131 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0562

摘要： Provided is a positive electrode material (1000) including a positive electrode active material (110), a first solid electrolyte material (100), and a coating material (111). The coating material (111) is located on the surface of the positive electrode active material (110). The first solid electrolyte material (100) includes lithium, at least one kind selected from the group consisting of metalloid elements and metal elements other than lithium, and at least one kind selected from the group consisting of chlorine, bromine, and iodine. The first solid electrolyte material does not include sulfur.

公开(公告)号：EP4123754A1

公开(公告)日：2023-01-25

申请号：EP21771068.0

申请日：2021-03-12

申请人： Panasonic Intellectual Property Management Co., Ltd.

发明人： NAKAMA Yoshimasa ,  SAKAIDA Masashi ,  SASAKI Izuru

IPC分类号： H01M4/131 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0562 ,  H01B1/06

摘要： A positive electrode material 1000 of the present disclosure includes: a positive electrode active material 110; and a first solid electrolyte material 111 coating at least partially a surface of the positive electrode active material 110, wherein the first solid electrolyte material 111 includes Li, Ti, M1, and F, and the M1 is at least one element selected from the group consisting of Ca, Mg, Al, Y, and Zr.

公开(公告)号：EP4117054A1

公开(公告)日：2023-01-11

申请号：EP21764175.2

申请日：2021-03-03

申请人： Panasonic Intellectual Property Management Co., Ltd.

发明人： NAGAMINE Kenta ,  SASAKI Izuru ,  NISHIYAMA Seiji

IPC分类号： H01M4/136 ,  H01M4/58 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0562 ,  C01B32/00 ,  C01B32/15 ,  C01B32/194 ,  C01B32/21 ,  C01F17/253

摘要： A positive electrode material 1000 of the present disclosure includes: a material 100 represented by the following composition formula (1); and a carbon material 101 capable of occluding at least one selected from the group consisting of a simple substance of halogen and a halide, Li a M b X c ... Formula (1) where a, b, and c are each a value greater than 0, M includes at least one selected from the group consisting of metal elements other than Li and metalloid elements, and X includes a halogen element.

公开(公告)号：EP3745504A1

公开(公告)日：2020-12-02

申请号：EP18902418.5

申请日：2018-12-17

申请人： Panasonic Intellectual Property Management Co., Ltd.

发明人： OSHIMA Tatsuya ,  SUGIMOTO Yuta ,  SASAKI Izuru ,  MIYAZAKI Akinobu

IPC分类号： H01M4/133 ,  H01B1/06 ,  H01M4/36 ,  H01M4/587 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0562

摘要： An electrode material includes an electrode active material, a first solid electrolyte material, and a coating material. The first solid electrolyte material includes Li, M, and X and does not include sulfur, where M includes at least one selected from the group consisting of metal elements other than Li and metalloid elements, and X is at least one selected from the group consisting of Cl, Br, and I. The coating material is located on the surface of the electrode active material.

公开(公告)号：EP4343886A1

公开(公告)日：2024-03-27

申请号：EP22804363.4

申请日：2022-03-18

申请人： Panasonic Intellectual Property Management Co., Ltd.

发明人： SASAKI Izuru

IPC分类号： H01M4/36 ,  H01M4/525 ,  H01M4/62

摘要： A coated positive electrode active material 103 according to one aspect of the present disclosure includes a positive electrode active material 101 and a coating layer 102 coating at least a portion of a surface of the positive electrode active material 101. A positive electrode material 1000 according to one aspect of the present disclosure includes the coated positive electrode active material 103 and a first solid electrolyte 104. A battery 2000 according to one aspect of the present disclosure includes: a positive electrode 201 including the positive electrode material 1000; a negative electrode 203; and an electrolyte layer 202 provided between the positive electrode 201 and the negative electrode 203.

公开(公告)号：EP3933978A1

公开(公告)日：2022-01-05

申请号：EP19917517.5

申请日：2019-12-26

申请人： Panasonic Intellectual Property Management Co., Ltd.

发明人： SAKAIDA Masashi ,  SASAKI Izuru ,  FUJINOKI Norihito

IPC分类号： H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0562

摘要： Regarding the related art, it has been desired that a reaction overvoltage of a battery is suppressed from increasing. A positive electrode material according to the present disclosure includes a positive electrode active material, a cover layer that covers at least part of a surface of the positive electrode active material and that contains a first solid electrolyte material, and a second solid electrolyte material that is a material different from the first solid electrolyte material. The first solid electrolyte material contains Li, M, and X and does not contain sulfur. M represents at least one element selected from the group consisting of metal elements other than Li and semi-metal elements, and X represents halogen elements including CI.

公开(公告)号：EP4129923A1

公开(公告)日：2023-02-08

申请号：EP21780208.1

申请日：2021-03-15

申请人： Panasonic Intellectual Property Management Co., Ltd.

发明人： KAMITAKE Hiroki ,  NISHIYAMA Seiji ,  SASAKI Izuru

IPC分类号： C01G33/00 ,  C01G53/00 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0562 ,  C01F17/36

摘要： A positive-electrode material 1000 according to the present disclosure includes a positive-electrode active material 110 and a coating layer 120 covering the positive-electrode active material 110, wherein the coating layer 120 contains oxygen and lithium, the positive-electrode active material 110 and the coating layer 120 constitute a coated active material 130, and the ratio Li/O of the lithium content to the oxygen content in a surface layer portion of the coated active material 130 is 0.26 or less based on the atomic ratio.

公开(公告)号：EP3890073A1

公开(公告)日：2021-10-06

申请号：EP19891097.8

申请日：2019-10-10

申请人： Panasonic Intellectual Property Management Co., Ltd.

发明人： OSHIMA Tatsuya ,  SASAKI Izuru ,  SUGIMOTO Yuta ,  NISHIYAMA Seiji ,  SAKAIDA Masashi ,  KAWASE Akira

IPC分类号： H01M4/58 ,  H01M4/136 ,  H01M10/0585

摘要： The present disclosure provides a negative electrode material that can improve the cycle characteristics of a battery. The negative electrode material according to the present disclosure contains a reduced form of a solid electrolyte material. The solid electrolyte material is denoted by Formula (1): Li α M β X γ . Herein, in Formula (1), each of α, β, and γ is a value greater than 0, M represents at least one element selected from the group consisting of metal elements except Li and semimetals, and X represents at least one element selected from the group consisting of F, CI, Br, and I.