A recessed sealing part absorbs pole thermal expansion, preventing seal distortion and preserving battery insulation stability.
An overhanging flange and inclined sealing end suppress upper-case inward deformation under pressure, reducing short-circuit risk in compact battery packs.
A tailored resin-elastomer-filler composition reduces thermal expansion stress and resin cracking around terminal seals in power storage devices.
A reusable hermetic AGM lead-acid cell cuts prototype cost by separating replaceable plates from the sealed test housing.
A segmented weld uses continuous laser light for speed and pulsed laser light for finishing quality, reducing pores and improving battery cell seal yield.
A fracture-tuned sealing plate ejects the electrode assembly under pressure to limit heat transfer from a failing battery cell to adjacent cells.
A pouch-cell sealing strip uses higher peel force at the outer edge to add a second protection line when inner sealing ruptures.
Oppositely bent battery tabs add cushioning and freedom of movement, reducing junction breakage and preserving electrical connection under stress.
A weak sealing zone releases gas at elevated temperature, reducing heat buildup, cell deformation, and short-circuit or fire risk.
Coordinated annular gap spacing creates different adhesive compression zones to resist aging and vibration and keep the battery housing sealed.
A recessed-protrusion joint between dissimilar metal terminal members spreads bus bar loads to maintain conductivity and prevent disconnection.
Inner-wall insulation around the terminal mounting hole increases creepage distance and blocks short circuits between the electrode terminal and top cover.
A serpentine tab nested in a feedthrough channel preserves welding length while freeing battery enclosure volume for higher cell capacity.
A curved, segmented lead film boosts sealing strength and staged pressure relief in secondary batteries exposed to gas buildup.
A resealable valve channel enables electrolyte filling and vacuum draw in pouch cells while limiting contamination and clean-room storage needs.
Sealed, insulated conductive through-holes improve button cell housing leak resistance while simplifying electrical connection and sealing.
Sealed conductive parts block housing through holes to cut leakage risk in button cells while preserving flexible electrical connections.
A limiting portion on the aluminum sheet locks the upper plastic member against rotation, simplifying cell top cover assembly and improving reliability.
A three-part insulating member isolates the electrode terminal from the end cover, reducing short-circuit risk while sealing against leakage and impurities.
Hydrogen-bonding resin in a multilayer battery lead sealing film captures HF, preserving adhesion, waterproofing, and battery life.
A bendable flange lets the laminated cell body move relative to the housing, dispersing vibration stress and preventing exterior body damage.