公开(公告)号：US20240128558A1

公开(公告)日：2024-04-18

申请号：US18533184

申请日：2023-12-08

申请人： XIAMEN HITHIUM ENERGY STORAGE TECHNOLOGY CO., LTD.

发明人： Jinyun LIANG ,  Weidong XU

IPC分类号： H01M50/15 ,  H01M50/103 ,  H01M50/157 ,  H01M50/533 ,  H01M50/627

CPC分类号： H01M50/15 ,  H01M50/103 ,  H01M50/157 ,  H01M50/533 ,  H01M50/627

摘要： Provided are a plastic component, a battery, a battery module, and an electric device. The plastic component (10) satisfying at least one of condition 1): 1 mm≤c−e≤1 mm and 1 mm≤c−f≤2 mm, where c is a thickness of the body, f is a depth of the buffer recess (11), e is a depth of the connection piece recess (21); and condition 2): 1 mm≤p≤2 mm, p=(a−t*g−r*d)/n, where g is a length of the connection piece recess (21), t is a number of the connection piece recesses (21), r is a number of the buffer recesses (11), d is a length of the buffer recess (11), a is a length of the body, and p is a thickness of each of n side walls arranged in a length direction of the body.

公开(公告)号：US20230178864A1

公开(公告)日：2023-06-08

申请号：US18060791

申请日：2022-12-01

申请人： SAMSUNG SDI CO., LTD.

发明人： Pilsang YUN ,  Do-Yu KIM ,  Hyunbeom KIM ,  Sangin PARK ,  Yongchan YOU

IPC分类号： H01M50/578 ,  H01M10/052 ,  H01M10/0567 ,  H01M50/124 ,  H01M50/117 ,  H01M50/164 ,  H01M50/157 ,  H01M4/525 ,  H01M4/36 ,  H01M4/58

CPC分类号： H01M50/578 ,  H01M4/366 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/052 ,  H01M10/0567 ,  H01M50/117 ,  H01M50/157 ,  H01M50/164 ,  H01M50/1243 ,  H01M2004/028 ,  H01M2200/20

摘要： A rechargeable lithium battery includes: a positive electrode; a negative electrode; a separator between the positive electrode and the negative electrode; an electrolyte including vinylene carbonate; and a case accommodating the positive electrode, the negative electrode, the separator, and the electrolyte. At least in a portion of an interior of the case has a coating portion containing lithium borate particles.

公开(公告)号：US20210151825A1

公开(公告)日：2021-05-20

申请号：US17254663

申请日：2019-04-17

申请人： ChangZhou Microbat Technology Co. Ltd.

发明人： Guo CHEN ,  Jiawen LUO ,  Yunfeng XUE

IPC分类号： H01M50/148 ,  H01M10/0525 ,  H01M50/157 ,  H01M50/172

摘要： The present disclosure relates to a cover plate assembly for a lithium ion battery and a lithium ion battery. The cover plate assembly includes a cover plate body, provided at a middle portion thereof with a through hole which extends to form a tube body, and the tube body protrudes from at least one surface of the cover plate body; a pressure relief portion, wherein the pressure relief portion is located in the tube body and is in sealed communication with the tube body, the pressure relief portion is ring-shaped and is configured to crack and split from the cover plate body in response to deformation of the cover plate body; and a central conductor, embraced by the pressure relief portion and runs through the pressure relief portion along the axial direction. The cover plate assembly features excellent safety performance and small space occupation.

公开(公告)号：US11955649B2

公开(公告)日：2024-04-09

申请号：US17254663

申请日：2019-04-17

申请人： ChangZhou Microbat Technology Co. Ltd.

发明人： Guo Chen ,  Jiawen Luo ,  Yunfeng Xue

IPC分类号： H01M50/148 ,  H01M10/0525 ,  H01M50/103 ,  H01M50/107 ,  H01M50/147 ,  H01M50/157 ,  H01M50/176 ,  H01M50/179 ,  H01M50/586

CPC分类号： H01M50/148 ,  H01M10/0525 ,  H01M50/107 ,  H01M50/147 ,  H01M50/157 ,  H01M50/179 ,  H01M50/103 ,  H01M50/176 ,  H01M50/586

摘要： The present disclosure relates to a cover plate assembly for a lithium ion battery and a lithium ion battery. The cover plate assembly includes a cover plate body, provided at a middle portion thereof with a through hole which extends to form a tube body, and the tube body protrudes from at least one surface of the cover plate body; a pressure relief portion, wherein the pressure relief portion is located in the tube body and is in sealed communication with the tube body, the pressure relief portion is ring-shaped and is configured to crack and split from the cover plate body in response to deformation of the cover plate body; and a central conductor, embraced by the pressure relief portion and runs through the pressure relief portion along the axial direction. The cover plate assembly features excellent safety performance and small space occupation.

公开(公告)号：US20220190434A1

公开(公告)日：2022-06-16

申请号：US17119585

申请日：2020-12-11

申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC

发明人： Venkateshwar R. AITHARAJU ,  Xiaosong HUANG ,  Bhavesh SHAH ,  Gustavo CIBRIAN SALAZAR

IPC分类号： H01M50/367 ,  H01M50/16 ,  H01M50/164 ,  H01M50/157

摘要： The present disclosure relates to composite battery covers including one or more integral vent members configured to release pressure. An example composite battery cover includes a continuous sheet having a first stiffness and one or more vent members defined in the continuous sheet. Each of the one or more vent members may include a first area having a second stiffness and/or a second area having a third stiffness. The second stiffness may be different from the first stiffness. The third stiffness may be different from the second stiffness and/or the first stiffness. The stiffness and strength of the continuous sheet and/or one or more vent members may be controlled by variable thicknesses and/or fiber loadings.

公开(公告)号：US20240274982A1

公开(公告)日：2024-08-15

申请号：US18563582

申请日：2022-11-18

申请人： LG ENERGY SOLUTION, LTD.

发明人： Jin Hyeok WON ,  Duk Hyun RYU

IPC分类号： H01M50/474 ,  B60R16/033 ,  H01M10/04 ,  H01M50/107 ,  H01M50/152 ,  H01M50/157 ,  H01M50/186 ,  H01M50/538 ,  H01M50/567

CPC分类号： H01M50/474 ,  B60R16/033 ,  H01M10/0431 ,  H01M50/107 ,  H01M50/152 ,  H01M50/157 ,  H01M50/186 ,  H01M50/538 ,  H01M50/567 ,  H01M2220/20

摘要： A secondary battery includes a wound electrode assembly having a first electrode, a separator, and a second electrode, and a battery can configured to accommodate the electrode assembly, the battery can having a partially closed portion at one side thereof, an open portion at the other side opposite to the partially closed portion, and a cylindrical sidewall, the electrode assembly having a first end from which a first electrode tab is extended, and a second end from which a second electrode tab is extended, the first end and the battery can being electrically connected, the sidewall of the battery can having an insulative coating layer provided on an inner surface corresponding to the second end. A second current collecting plate is electrically connected to the second electrode tab. An insulation member is provided between the second current collecting plate and the bottom portion of the battery can.

公开(公告)号：US11894568B2

公开(公告)日：2024-02-06

申请号：US17462741

申请日：2021-08-31

申请人： CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

发明人： Xiang Li ,  Yulian Zheng ,  Peng Wang ,  Shoujun Huang ,  Xinxiang Chen

IPC分类号： H01M50/188 ,  H01M50/147 ,  H01M50/209 ,  H01M50/543 ,  B60K1/04 ,  H01M50/562 ,  H01M50/529 ,  H01M50/159 ,  H01M50/157 ,  H01M50/197

CPC分类号： H01M50/188 ,  B60K1/04 ,  H01M50/147 ,  H01M50/209 ,  H01M50/543 ,  B60K2001/0438 ,  H01M50/157 ,  H01M50/159 ,  H01M50/197 ,  H01M50/529 ,  H01M50/562 ,  H01M2220/20 ,  Y02E60/10

摘要： This application relates to a secondary battery, a battery column, and an apparatus. The secondary battery includes a top cover plate, having an outer surface and an inner surface disposed opposite each other in a thickness direction of the top cover plate and an electrode lead-out hole extending along the thickness direction; a pole, disposed in the electrode lead-out hole, where the pole includes a first metal layer and a second metal layer, and the first metal layer and the second metal layer are stacked along a direction from the inner surface to the outer surface; an insulation member, disposed between the top cover plate and the pole; and a first bonding layer, disposed between the insulation member and the first metal layer, where the insulation member is hermetically connected to the first metal layer through the first bonding layer.

公开(公告)号：US20230261294A1

公开(公告)日：2023-08-17

申请号：US18308094

申请日：2023-04-27

申请人： Murata Manufacturing Co., Ltd.

发明人： Masayuki KOUZU ,  Kenji OSHIMA ,  Makoto YOSHIOKA

IPC分类号： H01M50/157 ,  H01M10/0525 ,  H01M10/0562

CPC分类号： H01M50/157 ,  H01M10/0525 ,  H01M10/0562

摘要： A solid state battery that includes: a solid state battery laminate including at least one battery constituent unit, the at least one battery constituent unit including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer interposed between the positive electrode layer and the negative electrode layer; a first external terminal on a first side surface of the solid state battery laminate; a second external terminal on a second side surface of the solid state battery laminate, the second side surface facing the first side surface across the solid state battery laminate; and an exterior member covering the solid state battery laminate, the exterior member including one or more pores on an inner side of the exterior member adjacent to the solid state battery laminate.

公开(公告)号：US12080860B2

公开(公告)日：2024-09-03

申请号：US16681503

申请日：2019-11-12

申请人： BATTELLE MEMORIAL INSTITUTE

发明人： Zihua Zhu ,  Chongmin Wang

IPC分类号： H01M10/48 ,  G01N23/2204 ,  H01M4/134 ,  H01M4/136 ,  H01M4/38 ,  H01M4/525 ,  H01M4/66 ,  H01M10/0525 ,  H01M10/0569 ,  H01M10/42 ,  H01M50/103 ,  H01M50/131 ,  H01M50/157 ,  H01M50/172 ,  H01M50/609 ,  G01N27/447

CPC分类号： H01M10/48 ,  G01N23/2204 ,  H01M4/134 ,  H01M4/136 ,  H01M4/38 ,  H01M4/525 ,  H01M4/661 ,  H01M10/0525 ,  H01M10/0569 ,  H01M10/4285 ,  H01M50/103 ,  H01M50/131 ,  H01M50/157 ,  H01M50/172 ,  H01M50/609 ,  G01N27/447 ,  H01M4/382 ,  H01M2300/0025

摘要： Battery cells are provided that can include: a housing defining a chamber having a fluid inlet and outlet; an anode at one side of the housing; a cathode at another side of the housing opposing and spaced apart from the anode a sufficient amount to allow for electrolyte between the anode and cathode; and the other side of the chamber defined by an ion permeable member. Methods for in situ battery electrode analysis are provided and these methods can include: providing a battery cell having an anode and a cathode; exposing the battery cell to an ion beam while the battery cell is operational to form secondary ions; and detecting the secondary ions to analyze the battery.

公开(公告)号：US11901499B2

公开(公告)日：2024-02-13

申请号：US16851617

申请日：2020-04-17

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Song Won Hyun ,  In Kim ,  Kyeong Pang ,  Moo Ho Lee ,  Hye Jeong Lee ,  In Su Lee

IPC分类号： H01M10/0525 ,  H01M50/24 ,  H01M50/55 ,  H01M50/553 ,  H01M50/122 ,  H01M50/117 ,  H01M50/131 ,  H01M50/141 ,  H01M50/16 ,  H01M50/157 ,  H01M50/162 ,  H01M50/121

CPC分类号： H01M10/0525 ,  H01M50/117 ,  H01M50/121 ,  H01M50/122 ,  H01M50/131 ,  H01M50/141 ,  H01M50/157 ,  H01M50/16 ,  H01M50/162 ,  H01M50/24 ,  H01M50/55 ,  H01M50/553 ,  H01M2220/20

摘要： A composite including a polymer matrix; an inorganic moisture absorber; a ceramic filler, graphite, or a combination thereof; and a tracking resistance polymer, wherein the tracking resistance polymer includes an average bond energy between an atom forming a main chain and another atom covalently bonded to the atom that forms the main chain of about 350 kJ/mol to about 500 kJ/mol; a carbonaceous residue yield after pyrolysis of less than or equal to about 5 weight percent, based on the amount of the tracking resistance polymer before pyrolysis; or a combination thereof.