公开(公告)号：US20230071591A1

公开(公告)日：2023-03-09

申请号：US17988206

申请日：2022-11-16

申请人： MURATA MANUFACTURING CO., LTD.

发明人： Ken SATO ,  Kenichi OZAWA ,  Masashi SATO

IPC分类号： H01M50/284 ,  H01M50/109 ,  H01M50/119 ,  H01M50/55 ,  H01M50/593 ,  H01M50/588 ,  H01M50/296 ,  H01M50/202

摘要： A battery pack includes a secondary battery and a circuit board, in which the secondary battery includes a metal exterior part, a first external terminal disposed at a center part of an end surface of the metal exterior part, and a second external terminal disposed so as to surround a periphery of the first external terminal, and the circuit board includes a first connection part connected to the first external terminal and a second connection part connected to the second external terminal; the battery pack including an insulating part that insulates the first connection part from the second connection part, the first connection part and the second connection part being disposed in an identical plane.

公开(公告)号：US20220209356A1

公开(公告)日：2022-06-30

申请号：US17691768

申请日：2022-03-10

申请人： MURATA MANUFACTURING CO., LTD.

发明人： Ken SATO ,  Madoka HAMANO ,  Kenichi OZAWA ,  Masashi SATO ,  Mikio YAMAMOTO ,  Hiroyuki ITO

IPC分类号： H01M50/284 ,  H01M50/566 ,  H01M50/107

摘要： A battery pack includes a circuit board, a battery cell, an exterior case having a cylindrical shape, and a pair of external terminals respectively provided at both ends of the exterior case, in which each of the external terminals includes an inserted portion to be inserted into the exterior case and an uninserted portion not to be inserted into the exterior case, at least a part of the circuit board is disposed between the battery cell and the external terminals, and an elastic resin is provided so as to be in contact with the battery cell, the at least part of the circuit board, and the external terminals.

公开(公告)号：US20240030538A1

公开(公告)日：2024-01-25

申请号：US18371019

申请日：2023-09-21

申请人： MURATA MANUFACTURING CO., LTD.

发明人： Kenichi OZAWA ,  Masaki KURATSUKA ,  Josh CHIANG ,  Ken CHEN

IPC分类号： H01M50/242 ,  H01M50/202 ,  H01M50/224 ,  H01M50/211 ,  H01M50/264

CPC分类号： H01M50/242 ,  H01M50/202 ,  H01M50/224 ,  H01M50/211 ,  H01M50/264 ,  H01M2220/30 ,  H01M2220/20

摘要： A battery unit includes a battery cell, and a metal case in which a battery cell is stored, the metal case including a bottom surface, and a first side wall and a second side wall erected from a peripheral edge of the bottom surface and having inner surfaces opposing each other, in which the first side wall and the second side wall protrude further than an upper surface of the battery cell, and a distance between an inner surface of the first side wall and an inner surface of the second side wall is larger on an end side, which is an opposite side to a bottom surface side, than on the bottom surface side.

公开(公告)号：US20230076491A1

公开(公告)日：2023-03-09

申请号：US17988403

申请日：2022-11-16

申请人： MURATA MANUFACTURING CO., LTD.

发明人： Masashi SATO ,  Ken SATO ,  Kenichi OZAWA ,  Fumio MATUMOTO

IPC分类号： H01M50/172 ,  H01M50/287 ,  H01M50/474 ,  H01M50/119

摘要： Disclosed is a battery pack including a secondary battery and a circuit board, in which the secondary battery includes a metal exterior portion, a first external terminal, and a second external terminal, the circuit board has a plurality of connection portions connected to the first external terminal or the second external terminal, at least one of the connection portions has a first opening, and the connection portion having the first opening is solder-bonded to the first external terminal or the second external terminal.