About 33 results
https://drivepatents.com/patents/1387358 · 24 Dec 2025
A separator (170) includes first regions (R1), which include a first end portion (171) and a second end portion (172) opposite to each other in a first direction orthogonal to a thickness direction, and a second region (R2), which is sandwiched between the...
https://drivepatents.com/patents/1393536 · 17 Dec 2025
A battery cell (100) includes: a resin insulator (800) having a first portion (810), a second portion (820), and a third portion (830), the first portion (810) being a portion that insulates a terminal portion (110) and a sealing plate (121) from each othe...
https://drivepatents.com/patents/1400459 · 3 Dec 2025
Provided is a technique that allows curtailing decreases in the durability of a nonaqueous electrolyte secondary battery. A negative electrode active material disclosed here is a particulate negative electrode active material (10) used in a nonaqueous elec...
https://drivepatents.com/patents/1387357 · 26 Nov 2025
At least one of a first bus bar module (30A) and a second bus bar module (30B) has a positioning mechanism (330A, 330B) that is inserted between a first stack (10A) and a second stack (10B) and that positions the first bus bar module (30A) or the second bu...
https://drivepatents.com/patents/1400461 · 19 Nov 2025
A method of manufacturing a secondary battery according to the disclosure includes an attaching step of attaching a sealing plate to an open end of a case main body including a closed bottom, and a welding step of laser-welding the case main body and the s...
https://drivepatents.com/patents/1398350 · 24 Sep 2025
A method for identifying a foil position in a power storage device (10) includes: analyzing (S1) the power storage device (10) by X-ray CT analysis to obtain an X-ray absorbed amount (AB(r, θ, z)) at each position; acquiring (S2) an on-path X-ray absorbed...
https://drivepatents.com/patents/1397511 · 10 Sep 2025
A battery pack includes: a plurality of battery cells (100) arranged side by side along a first direction; and a case (200) provided with an inner space for accommodating the plurality of battery cells (100). The case (200) includes a structural member (21...
https://drivepatents.com/patents/1391063 · 13 Aug 2025
A battery assembly (1) includes: a plurality of battery cells (100) arranged in a first direction; a separator (200) disposed between the plurality of battery cells (100); a restraint member (300) that restrains the plurality of battery cells (100) and the...
https://drivepatents.com/patents/1398170 · 18 Jun 2025
A battery pack (100) includes: a plurality of stacked battery cells (11); and a case body (21) that has a first bottom portion (22) and a first side portion (23) and that accommodates the plurality of battery cells (11), the first bottom portion (22) being...
https://drivepatents.com/patents/1390599 · 4 Jun 2025
An electrode manufacturing facility (10) includes a dryer (11), a first pipe (12), a solvent collection device (13), an outside air inlet pipe (14), a heat exchanger (15), and a second pipe (16). The first pipe (12) sends an exhaust gas expelled from the d...