公开(公告)号：EP4407711A1

公开(公告)日：2024-07-31

申请号：EP22961212.2

申请日：2022-10-18

申请人： Contemporary Amperex Technology Co., Limited

发明人： LI, Qiang ,  LIANG, Zibin ,  WANG, Yuhao ,  CHENG, Weiming ,  HE, Jinhua

IPC分类号： H01M4/36 ,  H01M4/505

CPC分类号： H01M4/36 ,  H01M4/505 ,  H01M10/056 ,  H01M2004/02120130101 ,  H01M4/0423 ,  H01M4/381 ,  H01M2004/02820130101 ,  H01M4/366 ,  H01M4/62 ,  H01M4/525 ,  H01M4/131 ,  H01M4/0471 ,  H01M10/054 ,  H01M4/1391 ,  H01M4/5825 ,  H01M4/136 ,  H01M4/1397 ,  H01M4/58

摘要： This application provides a positive electrode material, a preparation method of the positive electrode material, a positive electrode plate, a secondary battery, and an electrical device. The positive electrode material includes: a sodium-containing positive electrode material substrate; and a coating layer, covering at least a part of a surface of the sodium-containing positive electrode material substrate. The coating layer includes NaxMyO2, where M includes at least one of B, Si, or P, x > 0, and y > 0.

公开(公告)号：EP3576887B1

公开(公告)日：2024-06-05

申请号：EP18706199.9

申请日：2018-01-31

IPC分类号： B05D1/00 ,  H01M4/66 ,  H01M4/02 ,  B05D3/04 ,  H01G11/28 ,  H01M4/04 ,  H01M4/131 ,  H01M4/136 ,  H01M4/1391 ,  H01M4/1397 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58

CPC分类号： B05D3/0466 ,  B05D1/62 ,  H01M4/0404 ,  H01M4/131 ,  H01M4/136 ,  H01M4/1391 ,  H01M4/1397 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/667 ,  B05D2202/0020130101 ,  B05D2202/4520130101 ,  B05D2252/0020130101 ,  H01G11/28 ,  Y02E60/10

公开(公告)号：EP4365986A1

公开(公告)日：2024-05-08

申请号：EP23198575.5

申请日：2023-09-20

申请人： Beijing WeLion New Energy Technology Co., Ltd

发明人： LI, Jiuming ,  HUANG, Wenshi ,  CHEN, Ting ,  XIAO, Haihong ,  YANG, Qi ,  YU, Huigen

IPC分类号： H01M4/1391 ,  H01M4/62 ,  H01M4/136 ,  H01M4/1397 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525

CPC分类号： H01M10/0525 ,  H01M4/1391 ,  H01M4/625 ,  H01M4/525 ,  H01M4/505 ,  H01M4/62 ,  H01M4/136 ,  H01M4/1397

摘要： The present disclosure relates to the technical field of solid-state batteries and discloses a dry electrode, a preparation method thereof, and a solid-state battery. The dry electrode comprises an active material, an inorganic solid electrolyte, a conductive agent, a eutectic electrolyte and an optional binder, wherein the eutectic electrolyte is filled in voids between particles of the dry electrode. The present disclosure utilizes the eutectic electrolyte having a characteristic of high phase transition to liquefy the eutectic electrolyte at high temperature at an electrode interface, to enable the eutectic electrolyte to permeate between a cathode and an electrolyte or between a anode and an electrolyte, in order to form a liquid phase eutectic electrolyte with certain ionic conductivity, the liquid phase eutectic electrolyte is then solidified at room temperature to fill voids between solid particles so as to modify the voids of the interface and solve the problem of interface contact. In addition, the eutectic electrolyte has certain ion conductivity, and its ion conductivity performance is better than that of other phase transition materials.

公开(公告)号：EP4365985A1

公开(公告)日：2024-05-08

申请号：EP23206264.6

申请日：2023-10-26

申请人： Commissariat à l'énergie atomique et aux énergies alternatives

发明人： GUTEL, Thibaut ,  BOUVET, Justin ,  GUTEL, Elise ,  GENIES, Sylvie

IPC分类号： H01M4/139 ,  H01M4/04 ,  H01M4/13 ,  H01M4/1391 ,  H01M4/1397 ,  H01M4/485 ,  H01M4/58 ,  H01M4/60 ,  H01M6/50 ,  H01M10/052 ,  H01M10/054

CPC分类号： H01M4/139 ,  H01M4/1391 ,  H01M4/1397 ,  H01M4/5825 ,  H01M4/485 ,  H01M4/60 ,  H01M4/13 ,  H01M4/0404 ,  H01M4/0435 ,  H01M6/5005 ,  H01M10/052 ,  H01M10/054

摘要： La présente invention concerne un procédé de préparation d'une électrode de référence, directement fonctionnelle au sein d'une cellule d'un système de stockage électrochimique, comprenant au moins les étapes consistant en :
(i) disposer d'au moins un matériau électro-actif dont la réaction rédox associée présente un potentiel électrochimique constant à des états de charge intermédiaire ;
(ii) obtenir, par réaction chimique à l'aide d'au moins un agent oxydant et/ou d'au moins un agent réducteur, le matériau électro-actif dans un état de charge intermédiaire ; et
(iii) formuler ledit matériau électro-actif obtenu à l'issue de l'étape (ii) au sein d'une électrode, pour former ladite électrode de référence.

公开(公告)号：EP4118698B1

公开(公告)日：2024-05-08

申请号：EP21711799.3

申请日：2021-03-05

IPC分类号： H01M4/04 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/1397 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  C01G53/00 ,  H01M10/0525 ,  H01M4/02

CPC分类号： H01M4/0471 ,  H01M2004/02820130101 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M4/1391 ,  H01M4/131 ,  H01M4/1397 ,  H01M10/0525 ,  H01M2220/2020130101 ,  H01M2220/3020130101 ,  C01G53/50 ,  C01G53/42 ,  C01P2002/5220130101 ,  Y02E60/10

公开(公告)号：EP3408883B1

公开(公告)日：2024-05-08

申请号：EP16886119.3

申请日：2016-12-13

IPC分类号： H01M4/04 ,  H01M4/36 ,  H01M4/62 ,  H01M4/139 ,  H01M4/1391 ,  H01M4/1397 ,  H01M10/0525

CPC分类号： H01M4/139 ,  H01M4/1391 ,  H01M4/0404 ,  H01M4/0409 ,  H01M4/622 ,  H01M4/623 ,  H01M4/625 ,  H01M10/0525 ,  H01M4/0419 ,  H01M4/1397 ,  H01M4/0471 ,  Y02E60/10 ,  H01M4/366

公开(公告)号：EP3050142B8

公开(公告)日：2018-11-21

申请号：EP14799956.9

申请日：2014-09-26

申请人： Innolith Assets AG

发明人： PSZOLLA, Christian ,  ZINCK, Laurent ,  BORCK, Markus ,  WOLLFARTH, Claudia ,  THÜMMEL, Julia ,  BIOLLAZ, Heide

IPC分类号： H01M4/133 ,  H01M4/04 ,  H01M4/58 ,  H01M4/587 ,  H01M4/136 ,  H01M4/62 ,  H01M4/66 ,  H01M4/80 ,  H01M10/0525 ,  H01M10/054 ,  H01M10/0563 ,  H01M4/02 ,  H01M4/1393 ,  H01M4/1397

CPC分类号： H01M4/381 ,  H01M4/0404 ,  H01M4/0435 ,  H01M4/133 ,  H01M4/136 ,  H01M4/1393 ,  H01M4/1397 ,  H01M4/382 ,  H01M4/40 ,  H01M4/48 ,  H01M4/582 ,  H01M4/5825 ,  H01M4/587 ,  H01M4/621 ,  H01M4/622 ,  H01M4/661 ,  H01M4/808 ,  H01M10/0525 ,  H01M10/054 ,  H01M10/0563 ,  H01M2004/021 ,  H01M2300/002

公开(公告)号：EP2882015B1

公开(公告)日：2018-10-03

申请号：EP14814653.3

申请日：2014-08-14

申请人： LG Chem, Ltd.

发明人： KIM, Ji Hye ,  JUNG, Wang Mo ,  OH, Sang Seung ,  PARK, Byung Chun ,  PARK, Sung Bin

IPC分类号： H01M4/58 ,  H01M4/04 ,  H01M4/36 ,  C01B25/45 ,  H01M4/62 ,  H01M4/1397 ,  H01M10/052

CPC分类号： H01M4/366 ,  H01M4/0404 ,  H01M4/0419 ,  H01M4/0435 ,  H01M4/0471 ,  H01M4/136 ,  H01M4/1397 ,  H01M4/362 ,  H01M4/5825 ,  H01M4/625 ,  H01M10/052

摘要： Provided are a cathode active material including lithium transition metal phosphate particles, wherein the lithium transition metal phosphate particles include a first secondary particle formed by agglomeration of two or more first primary particles, and a second secondary particle formed by agglomeration of two or more second primary particles in the first secondary particle, and a method of preparing the same. Since the cathode active material according to an embodiment of the present invention may include first primary particles and second primary particles having different average particle diameters, the exfoliation of the cathode active material from a cathode collector may be minimized and performance characteristics, such as high output characteristics and an increase in available capacity, of a secondary battery may be further improved. In addition, since the first secondary particles are porous, the secondary particles are collapsed and fractured due to rolling when used in a cathode. Thus, a spring back phenomenon may be reduced, and as a result, adhesion and processability may be further improved.

公开(公告)号：EP3369122A1

公开(公告)日：2018-09-05

申请号：EP16760376.0

申请日：2016-08-30

申请人： SABIC Global Technologies B.V.

发明人： DASH, Ranjan ,  XAVIER, Prince ,  SCARANTO, Jessica

IPC分类号： H01M4/04 ,  H01M4/134 ,  H01M4/136 ,  H01M4/1395 ,  H01M4/1397 ,  H01M4/62

CPC分类号： H01M4/623 ,  H01M4/0402 ,  H01M4/0404 ,  H01M4/134 ,  H01M4/136 ,  H01M4/1395 ,  H01M4/1397 ,  H01M4/525 ,  H01M4/5815 ,  H01M4/5825 ,  H01M4/622 ,  H01M4/624 ,  H01M10/0525

摘要： An electrode material comprising (a) a polymeric binder, (b) a lithium-based electrochemically active material, and (c) an electrically conductive filler; wherein the polymeric binder comprises one or more sulfur-based functional groups; and wherein the electrode material is characterized by a binding energy between the one or more sulfur-based functional groups and the lithium-based electrochemically active material of from about 0.3 eV to about 2.5 eV. A method of making a battery electrode comprising (i) mixing a lithium-based electrochemically active material, an electrically conductive filler, and a polymeric binder to form an electrode material, wherein the polymeric binder comprises one or more sulfur-based functional groups, and (ii) contacting the electrode material with a current collector to form the battery electrode.

公开(公告)号：EP1992027B1

公开(公告)日：2018-07-18

申请号：EP07752079.9

申请日：2007-03-02

申请人： Chang, Chun-Chieh

发明人： Chang, Chun-Chieh

IPC分类号： H01M4/1397 ,  H01M4/04 ,  H01M10/0525 ,  H01M4/58 ,  H01M4/02

CPC分类号： H01M4/5825 ,  H01M4/0471 ,  H01M4/1397 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028

摘要： A family of Li-ion battery cathode materials and methods of synthesizing the materials. The cathode material is a defective crystalline lithium transition metal phosphate of a specific chemical form. The material can be synthesized in air, eliminating the need for a furnace having an inert gas atmosphere. Excellent cycling behavior and charge/discharge rate capabilities are observed in batteries utilizing the cathode materials.