Jackets/Cases Materials TRIZ Cases

Low-Si aluminum alloy laminate improves battery pouch moldability, enabling thinner packaging without cracks or pinholes during forming.

Linear grooves in the electrode tap create a controlled rupture path that cuts current during pouch-cell swelling and lowers ignition risk.

A tab protection unit surrounds the case terrace to absorb external impacts, reducing electrode tab damage and tearing.

Using the electrode-post through-hole as the electrolyte inlet removes extra plugs, saves cell space, and helps prevent short-circuiting.

Using the electrode-post through-hole for electrolyte filling removes a separate injection plug, saving cell space and lowering short-circuit risk.

Boundary recesses in an insulating cell case shrink the gap around the bare cell, cutting electrolyte fill and battery manufacturing cost.

A terminal-and-cover assembly secures a coin battery on the PCB, limits child access, and maintains safe electrical contact.

A dual-surface-energy housing strengthens insulating film adhesion, reducing detachment, electrolyte leakage, and short-circuit risk.

A protruding pole structure with a controlled end-face area and through-hole geometry improves cell connection stability and lowers short-circuit risk.

Inclined die and punch surfaces form battery pouch inner walls with lower elongation, preventing cracks during accommodation groove forming.

Guide projections on sealing jigs bend the pouch terrace inward during thermal fusion, removing dead space and reducing cell interference.

Mechanical sleeve-on terminal connections replace busbar welding to improve battery module yield, assembly speed, and contact reliability.

A sleeve-on connecting unit replaces busbar welding on battery cells, improving assembly yield and avoiding false-weld safety risks.

A wettability gradient on the cell wall drives electrolyte upward against gravity, improving electrode wetting and thermal dissipation.

Curved reinforcement inside a hollow steel side frame absorbs impact energy, improving battery case rigidity while cutting parts and assembly cost.

A recessed first seal absorbs pole expansion inside the housing, preserving insulation stability and battery sealing under heat.

A recessed side terminal simplifies bus bar placement in power storage modules while keeping cell connections compact and easy to reconnect.

A thinner gasket compressed by a folded sealing plate preserves hermetic sealing while freeing more internal space for coin cell capacity.

By spacing positive and negative lead-out pieces near opposite battery ends, this case preserves core volume while maintaining conductivity.

Controlled alloying lets battery cell housings use more recycled aluminium without sacrificing strength, electrolyte stability, or thermal conductivity.

A riveted terminal-current collector joint replaces welding to prevent debris and assembly damage while keeping battery connections secure.

Cartridges and demountable lead jigs replace welded cell joints, allowing individual ESS battery cells to be replaced without changing the full module.

A recessed side terminal lets bus bars fit more easily between adjacent cells, improving connections while keeping module height low.

Integrated battery terminals and conductive connectors shrink brushless power tools while improving power delivery stability and vibration durability.

By integrating the battery terminal block into the inverter module, the tool cuts wiring, saves handle-foot space, and improves vibration durability.

Using each battery case as an external terminal cuts insulating parts and lowers series-connection resistance in a power storage module.

Thermal fusion with a hot-melt adhesive film replaces thick rubber rings, improving battery cover sealing while reducing height and cost.

A lamella contact and base profile create a separable cell-tab connection that improves high-voltage stability and heat control in storage modules.

An inclined die-and-punch groove shape lowers inner-wall elongation during pouch forming, preventing cracks in battery accommodation grooves.

A segmented cylindrical cell layout cuts dead volume, lowers internal resistance, and preserves overpressure protection for high-energy use.

A spaced weld-to-adhesive layout protects insulation and bonding in lithium batteries by isolating welding heat from the bottom cover joint.

A protruding lid cavity nests the protection circuit board inside the cell, saving battery space while maintaining electrical isolation and safety.

Triangular and linear grooves concentrate stress in the electrode tap, enabling clean current interruption during pouch battery swelling.

An integrated conductive cover and sealing layer simplify battery assembly while improving insulation and resistance to internal pressure.

Curved tab extension portions flex under drop impact to absorb electrode assembly displacement energy and reduce button battery tab fracture.

Lateral pressure contacts replace bond wires in battery cell terminals, cutting assembly cost while keeping the pack open for cooling.

A shaped battery cell fills gaps between module mounting parts to raise capacity within the same case size and extend driving range.

Controlled Ni plating and short heat treatment form a Fe-Ni alloy layer that improves corrosion and die sliding without grain coarsening.

Battery case expansion drives a piezoelectric actuator and punching part to vent gas quickly during abnormal operation and lower explosion risk.

A nickel-molybdenum alloy layer cuts battery and connector contact resistance to 20 mΩ·cm−2 or less without cobalt plating complexity.

Segmented support blocks and heat-restricting rods limit mold warping while keeping pressure and heating uniform for larger film welding.

Ultra-thin stainless steel foil achieves high plastic deformability through controlled crystal grain distribution and minimized surface nitridation.

Pre-applied insulating resin fills edge gaps during packaging, preventing physical contact and short circuits while maintaining high energy density.