About 33 results
https://drivepatents.com/patents/1386014 · 3 Jun 2026
Provided is a technique for suppressing a surface pressure of an electrode assembly from becoming non-uniform. A herein disclosed electricity storage device includes an electrode assembly, a case, and a spacer. An outer surface of the electrode assembly in...
https://drivepatents.com/patents/1385997 · 3 Jun 2026
A method of manufacturing a power storage device includes: inserting an electrode assembly (200) into a case main body (110); and after inserting the electrode assembly (200) into the case main body (110), joining a first conductive member (420) and a seco...
https://drivepatents.com/patents/1386899 · 29 Apr 2026
A battery pack (1) includes: a stack (10) including a plurality of battery cells (100) arranged side by side in a first direction; a case (20) that has a side wall (21) facing the stack (10) in the first direction and that accommodates the stack (10); a bu...
https://drivepatents.com/patents/1387653 · 15 Apr 2026
Provided is an electricity storage pack with higher safety that suppresses an instantaneous increase in internal pressure inside an electricity storage pack. The electricity storage pack includes: a plurality of electricity storage devices electrically con...
https://drivepatents.com/patents/1386842 · 25 Mar 2026
The present secondary battery includes: a first spacer (600, 600A, 600B, 600C) disposed to face a first electrode tab (220, 220A); a second spacer (600, 600A, 600B, 600C) disposed to face a second electrode tab (250); and an insulating sheet(700) disposed ...
https://drivepatents.com/patents/1392752 · 25 Feb 2026
A battery module includes: a duct (71) extending in a Y axis direction in which a plurality of battery cells (11) are stacked, to form a flow space (110) for gas; and an attachment-target member (30) to which the duct (71) is attached. The attachment-targe...
https://drivepatents.com/patents/1387797 · 18 Feb 2026
An electrode sheet manufacturing device includes a pair of rolls (61D,61U) that press an electrode active material laye formed on an electrode sheet, a press pressure adjusting mechanism (70) that adjusts a press pressure of the pair of rolls (61D,61U), a ...
https://drivepatents.com/patents/1398034 · 28 Jan 2026
Provided is a technique to reduce voids between an electrode tab (21t, 22t) and a current collecting unit (33, 43) in a portion where the electrode tab (21t, 22t) and the current collecting unit (33, 43) are welded. The manufacturing method disclosed herei...
https://drivepatents.com/patents/1388971 · 21 Jan 2026
A battery pack includes: a plurality of stacked battery cells (11); a first member (23) having a longitudinal plate portion (27) and a lateral plate portion (26), the longitudinal plate portion (27) being in abutment with a battery cell (11) in a stacking ...
https://drivepatents.com/patents/1395728 · 14 Jan 2026
A battery (100) disclosed herein includes: an electrode body (20a) including a positive electrode and a negative electrode; an electrolytic solution; a battery case (10) housing the electrode body (20a), storing the electrolytic solution, and including an ...