Cell Sealing Materials TRIZ Cases

A bismuth-tin binary anode enables magnesium ion insertion to overcome blocking layer formation and achieve high volumetric energy density.

A battery case crimps the main body open end to a sealing body, forming a dent that maintains airtightness without a thick gasket.

PVdF coated insulating plates and roughened case surfaces enhance electrolyte affinity within lithium ion secondary batteries.

A rubber valve body composition incorporates a specific resin and inorganic substance to manage internal pressure dynamics.

A battery insulator with specific through holes prevents short circuits and accelerates electrolyte infiltration into electrode plates.

Adjustable concentric slots in the tab insulator accommodate manufacturing variations to prevent short circuits between conducting tabs and electrodes.

A Ni-W alloy plating layer resists die adhesion during stamping, while an Fe-Ni diffusion alloy prevents crack propagation.

Integrates the battery cell pole onto the housing side wall to allow direct electrode assembly placement without pre-connection.

Sealing protrusions on battery terminals compress gaskets to block electrolyte permeation, preventing terminal erosion while reducing manufacturing costs.

Extends the protective circuit module enclosure to bare cell side surfaces, eliminating insulating tape and reducing vulnerability to external shocks.

A battery case uses partial metal cladding to bond low-density materials while maintaining structural integrity.

A secondary battery electrode terminal uses a projecting portion and chamfered portion to block resin penetration during lid integration.

A battery module uses a compressing element to maintain thermal contact between prismatic cells and the housing.

A bi-metal battery tab joins an internal pin segment to an external socket segment for secure electrical coupling.

Asymmetric sealing portion widths enhance battery cell structural integrity and impact resistance without consuming internal volume.

A battery cover body assembly features a lower insulation plate spaced from the cover to form a distribution channel for electrolyte delivery.

A cylindrical knock inserts between end plates and connecting bars to enable secure fastening while housing a seal member that prevents reaction gas leakage.

A resin gasket with annular salient portions creates a dedicated housing for sealing agents within an electrochemical cell.

Notches in the sealing part enable recessed attachment to the side wall, eliminating wavy creases and wasted planar space.

A tension-sensitive inner lead breaks when the pouch case expands, blocking over-current and preventing overheating without complex electronics.

An extended opening end on the sealing body suppresses clogging of communication holes while maintaining precise alignment for safety valve attachment.

Variable gasket thickness absorbs compression forces at a stepped seal portion to prevent exfoliation and maintain sealing integrity.

An intermediate plating layer bridges melting point differences between dissimilar metals, preventing cracking while maintaining low electrical resistance.

Optimized fit ratio and axial movement of the resin seal member prevent stress cracking and leakage.

Curved outer can edge applies vertical pressure to gasket, preventing single-wall bending and electrolyte leakage for higher capacity.

Merges external terminal components into one parallel structure to reduce contact resistance and simplify secondary battery manufacturing workability.

Magnetic units on the pouch periphery detect gas generation via field changes, preventing excessive ventilation and maintaining mechanical integrity.

Optimized curvature ratios in the sealing plate prevent electrolyte leakage and rust when using lower-strength steel materials.

Single-layer sealing can suppresses deformation during crimping to maintain sealing properties while increasing battery capacity.

A secondary battery welding assembly incorporates a stress release structure on the sealing cover plate to manage thermal forces during laser joining.

Laser patterns fuse insulators to safety vent and cap-down, preventing electrolyte leakage between components.

Welding same-side current collectors to conductive elements creates a low resistance discharge path in traction battery secondary cells.

Axial protruding portion directs resin injection during gasket molding, preventing peripheral wall deformation and ensuring efficient sealing.