Small-Sized Cells Cases/Jackets TRIZ Cases

Welding replaces bolts and nuts to shrink casing volume while maintaining connection strength.

Alternating projections and depressions in the exterior body distribute strain during bending, preventing structural failure of lithium-ion batteries.

Lid body projections compensate for resin shrinkage during insert molding of storage battery terminals.

Interlaced plates apply uniform force to pouch batteries, ensuring consistent chemical structure despite thickness variations.

Segmented busbar modules form a continuous connector axis, eliminating multiple carriers and reducing manufacturing costs for varying power requirements.

Nested terminal design with extending portions reduces footprint, freeing internal space while maintaining safety.

Spring-based elastic contactors replace nut-based fastening systems, resolving the contradiction between electrical connection reliability and assembly ease.

A breakable stress concentration portion in a pouch battery case releases internal gas through an external outlet, mitigating swelling and explosion risks.

An electrodeposited primer resolves adhesion contradictions between metal terminals and engineering plastics, ensuring reliable airtightness.

A terminal feed-through design featuring a metal housing with a glass or ceramic-based support element and a concentrically arranged sealing element.

An aluminum layer contacts the inner titanium base plate to prevent electrolyte corrosion, stabilizing open circuit voltage during aging.

An Ni-Fe alloy battery can uses a controlled iron oxide layer to prevent nickel oxidation, reducing internal resistance for high-rate discharge.

A battery explosion-proof device uses a concave valve body and rupture plate to seal venting passages.

A cell module uses a stepped through-hole to contain adhesive within a liquid pocket for secure cylindrical cell bonding.

Insulative interference preventive member interposes between male screw and battery cell to prevent short circuits during assembly.

Segmented drawing operations refine corner geometry to prevent material tearing, enabling deeper pouch cells with enhanced power storage capacity.

A hybrid battery housing part combines plastic and metallic regions to achieve high structural rigidity.

A battery terminal design uses asymmetric contact tulips to double the effective contact area and reduce equivalent resistance compared to conventional symmetric designs.

Stacked U-shaped members with cooling channels contact thermally conductive carrier plates to draw heat from battery cells.

Segmented battery covers with stepped designs enable selective component access while protecting internal assemblies from contamination during maintenance.

Different viscosity adhesives fill narrow gaps between cell and holder surfaces, eliminating air entrapment while maintaining strong retention stability.

Insulation holder with fixing hole couples protection circuit module via hook tab, preventing delamination near short side surfaces.

Integrates a monitor substrate and detection terminals into an insulating cover to eliminate separate mounting steps and reduce battery pack size.

A resin anode cup receives lithium metal and current collector to enable automated pressing.

A nickel hydrogen secondary battery positive electrode incorporates magnesium solid-dissolved in the active substance to modify discharge characteristics.

A battery cover locking mechanism secures the power source using a nested connection member routed through the terminal body thickness.

An integrated lead tab merges insulation and thermal protection to prevent cell overheating while simplifying the manufacturing process.

A secondary battery can bottom features a C-shaped groove that opens to release internal gas.

Mechanical coupling members replace welding to connect battery lead tabs, reducing electrical resistance and heat damage.

UV-hardened resin replaces manual taping to fix PTC devices, eliminating adhesion variability and boosting assembly speed.

Laser welding joins battery foil contacts using copper layers to prevent reflection, eliminating corrosion risks from soldering.

Thickened bent portion secures sealing member to prevent moisture ingress and electrolyte leakage.

A multi-layer taping portion with high elongation and tensile strength layers stabilizes miniaturized battery cells against external impacts.

A battery module routes a capacitance signal line parallel to opposing current conductors to minimize electromagnetic interference.

Laser welding replaces ultrasonic processes to eliminate overheating and vibration while reducing electrical resistance at the connection interface.

A friction layer with low static friction coats the current collector in flexible power storage devices.

Prints corrosion-resistant coating onto battery can fractured surfaces using a flexible pad, eliminating complex plating and masking steps.

Bent terminal tip applies constant pressure to electrode body, preventing disconnection under vehicle vibration.

A battery module uses a damping structure on electrode leads to absorb welding vibration, preventing breakage of coupled portions.

A battery pack frame separates the core cell unit from the protection circuit module using a dedicated partition wall and supporting structure.

A battery module bus bar uses a bent band and elastic terminal pieces for secure surface contact.

A battery module short-circuit unit connects opposing bus bars via expanding force from swollen cells to halt charging.

Reinforcement stepped parts on the cap plate resist external forces and prevent deformation of the secondary battery electrode assembly.

A secondary battery uses Wood's metal electrode terminals that melt at low temperatures to disconnect electrical paths.

Deep eutectic solvent-based electrolytes suppress toxic vapor generation in zinc-halide batteries without requiring complexing agents or pressurization systems.

Divided electrode tabs with elastic legs interrupt current flow during cell expansion, preventing thermal runaway in vehicle batteries.

A battery module connector disconnects electrical current when internal venting gas pressure rises.

Inserting a double-spiral signal wire into the battery's hollow interior prevents outer diameter expansion while maintaining reliable transmission.

Shortened bridge parts and stepped dies minimize dimensional variability and dents while maintaining electrode fixing force.

A cylindrical battery sub-plate extends radially to provide additional welding surface for the negative electrode terminal.