公开(公告)号：US20240072322A1

公开(公告)日：2024-02-29

申请号：US18272300

申请日：2022-01-14

申请人： IBIDEN CO., LTD.

发明人： Hisashi ANDO ,  Naoki TAKAHASHI

IPC分类号： H01M10/613 ,  H01M10/6555 ,  H01M10/658 ,  H01M50/224

CPC分类号： H01M10/613 ,  H01M10/6555 ,  H01M10/658 ,  H01M50/224

摘要： A heat transfer suppression sheet for a battery pack, the heat transfer suppression sheet being used in a battery pack in which battery cells are connected in series or in parallel and being interposed between the battery cells, the heat transfer suppression sheet containing: a heat-insulating material containing at least one of inorganic particles or inorganic fibers; and a covering material covering at least a part of the heat-insulating material, in which a sealed gap is formed between the heat-insulating material and the covering material, and the covering material is configured such that a communication opening that allows the gap to communicate with the outside of the covering material is formed at a temperature of 60° C. or more.

公开(公告)号：US20230118928A1

公开(公告)日：2023-04-20

申请号：US17635783

申请日：2021-07-05

申请人： Ibiden Co., Ltd.

发明人： Naoki TAKAHASHI ,  Hisashi ANDO

IPC分类号： H01M10/658 ,  H01M10/613

摘要： Provided are a heat transfer suppression sheet having an excellent heat transfer prevention effect and excellent retainability of inorganic particles and shape retainability at a high temperature, and a battery pack in which the heat transfer suppression sheet is interposed between battery cells. The heat transfer suppression sheet (10) includes inorganic particles (20), first inorganic fibers (30), and second inorganic fibers (31). An average fiber diameter of the first inorganic fibers (30) is larger than an average fiber diameter of the second inorganic fibers (31). The first inorganic fibers (30) have a linear shape or a needle shape, and the second inorganic fibers (31) have a dendritic shape or a crimped shape.

公开(公告)号：US20240088484A1

公开(公告)日：2024-03-14

申请号：US18272238

申请日：2022-01-14

申请人： IBIDEN CO., LTD.

发明人： Hisashi ANDO ,  Naoki TAKAHASHI

IPC分类号： H01M10/658 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6555

CPC分类号： H01M10/658 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6555

摘要： A heat transfer suppression sheet for a battery pack, the heat transfer suppression sheet being used in a battery pack in which battery cells are connected in series or in parallel, and being interposed between the battery cells, the heat transfer suppression sheet containing a heat-insulating material containing at least one of inorganic particles or inorganic fibers, and a covering material covering at least a part of the heat-insulating material, in which a gap is formed between the heat-insulating material and the covering material.

公开(公告)号：US20220367938A1

公开(公告)日：2022-11-17

申请号：US17767277

申请日：2020-10-09

申请人： Ibiden Co., Ltd.

发明人： Hisashi ANDO ,  Naoki TAKAHASHI

IPC分类号： H01M10/658 ,  H01M10/653 ,  H01M10/613

摘要： Provided is a heat insulation sheet for battery pack that can achieve uniform heat insulation property and heat dissipation property, and can insulate heat between adjacent battery cells and quickly dissipate heat generated by the battery cells when thermal runaway occurs in the battery cells, and a battery pack in which a heat insulation sheet for battery pack is interposed between battery cells. A heat insulation sheet (10) for battery pack in which battery cells are connected in series or in parallel, the heat insulation sheet being interposed between the battery cells and containing: a first particle (21) that is uniformly dispersed and contains a silica nanoparticle; and an inorganic fiber (23) that is uniformly dispersed and oriented in one direction which is parallel to a main surface of the heat insulation sheet (10).

公开(公告)号：US20240145821A1

公开(公告)日：2024-05-02

申请号：US18272758

申请日：2022-01-14

申请人： Ibiden Co., Ltd.

发明人： Hisashi ANDO ,  Naoki TAKAHASHI

IPC分类号： H01M10/658 ,  F16L59/02

CPC分类号： H01M10/658 ,  F16L59/026

摘要： A heat transfer suppression sheet for a battery pack, the heat transfer suppression sheet being used in a battery pack in which battery cells are connected in series or in parallel and being interposed between the battery cells, the heat transfer suppression sheet containing: a heat-insulating material containing at least one of inorganic particles or inorganic fibers; and a covering material covering at least a part of the heat-insulating material, in which a gap is formed between the heat-insulating material and the covering material, and the gap communicates with the outside of the heat-insulating material and the covering material.

公开(公告)号：US20230138031A1

公开(公告)日：2023-05-04

申请号：US17634792

申请日：2021-07-05

申请人： IBIDEN CO., LTD.

发明人： Naoki TAKAHASHI ,  Hisashi ANDO

IPC分类号： H01M10/658 ,  H01M50/293 ,  H01M50/44

摘要： Provided are a heat transfer suppression sheet having an excellent heat transfer prevention effect and excellent retainability of inorganic particles and shape retainability at a high temperature, and a battery pack in which the heat transfer suppression sheet is interposed between battery cells. The heat transfer suppression sheet (10) includes inorganic particles (20), first inorganic fibers (30), and second inorganic fibers (31). The first inorganic fibers (30) are amorphous fibers. The second inorganic fibers (31) contain at least one kind selected from amorphous fibers having a glass transition point higher than that of the first inorganic fibers (30) and crystalline fibers.

公开(公告)号：US20220200080A1

公开(公告)日：2022-06-23

申请号：US17275191

申请日：2020-08-26

申请人： IBIDEN CO., LTD.

发明人： Hisashi ANDO ,  Naoki TAKAHASHI

IPC分类号： H01M10/658 ,  H01M10/6555 ,  H01M10/651

摘要： A heat-insulating sheet for a battery pack is interposed between battery cells of the battery pack in which the battery cells are connected in series or in parallel. The heat-insulating sheet for the battery pack contains a first particle made from a silica nanoparticle and a second particle made from a metal oxide. A content of the first particle is 60 mass % or more and 95 mass % or less relative to a total mass of the first particle and the second particle.

公开(公告)号：US20220367937A1

公开(公告)日：2022-11-17

申请号：US17761512

申请日：2020-08-31

申请人： IBIDEN CO., LTD.

发明人： Hisashi ANDO ,  Naoki TAKAHASHI

IPC分类号： H01M10/658 ,  H01M10/6555 ,  H01M50/204 ,  H01M50/51 ,  H01M50/512 ,  F16L59/02

摘要： To provide a heat insulation sheet for a battery pack that has a good shape retention property and can maintain an excellent heat insulation property even when vibration or pressure is applied, and a battery pack in which a heat insulation sheet for a battery pack is interposed between battery cells. A heat insulation sheet (10) of the present invention is a heat insulation sheet for a battery pack, the heat insulation sheet being interposed between battery cells in a battery pack in which a plurality of battery cells is connected in series or in parallel. The heat insulation sheet (10) includes: a first heat insulation material (21) containing a silica nanoparticle; and a second heat insulation material (22) containing a plate-shaped particle containing a silica component and having a curved surface.