Jackets/Cases Materials TRIZ Cases

A film-covered battery pocket expands to house a safety valve that protrudes from the holding member.

Parallel mismatched battery cells deliver high current pulses while recharging during off periods, overcoming solid-state diffusion limits.

Resilient terminal arms apply compressive force to secure battery cell connections, reducing electrode stack damage during assembly.

An electrode lead system interrupts current flow via mechanical separation when a pouch case expands during overcharge.

Bag-like insulation film with integrated gap filling section seals the space between the wound electrode body and exterior case.

Protective portions on insulating layers buffer impact forces to prevent tab piercing and short circuits.

Elastic silicone frames replace rigid metal cases to maintain gas barriers and prevent short circuits in flexible electronics.

Preformed bending line and segmented adhesion part eliminate crease formation and trapped air in battery pack casings.

A plated steel plate uses a dual surface finish to provide stable electrical contact on the outer cell can.

Applying nickel coating only to end areas reduces material usage and production complexity while maintaining corrosion protection at contact points.

A laminate battery case structure accelerates heat dissipation through its sealing part, resolving low thermal conductivity in polymer pouches.

UV-cured adhesive automates pouch sealing to prevent electrical shorts from exposed metal layers.

Cell frames compress pouch battery cells while interleaved conductive sheets transfer heat to the module base.

An adhesive strap design uses an elastic adjuster to secure battery packs, preventing core damage during removal.

A sealing body uses a notch part surrounding a welded joint to define the breaking pressure of an explosion-proof valve.

Intermediary adhesive layer bonds label to cell rather than frame, eliminating torsional noise from repeated detachment.

Channel grooves in the frame case hold coupling reinforcement portions that bond bare cells, preventing component loosening under external impact.

Merging top connection sheets with insulation structures removes bulky brackets, resolving space constraints while maintaining structural integrity.

An insulating layer with 10% elongation wraps penetrating objects to prevent short circuits and thermal runaway in lithium secondary batteries.

A segmented terminal pin uses an enlarged diameter section for hermetic sealing and a reduced diameter section for external connections.

Thermal treatment controls iron-nickel alloy crystal grain size to suppress iron elution, extending battery life and improving discharge characteristics.

A secondary battery protection member uses a protective film to separate reactive adhesive and curing promoter until internal pressure rises.

An adhesive pad with a substrate and adhesive layer bonds to the exterior material of a lithium secondary battery.

Thermal diffusion creates a specific iron-nickel alloy outer layer that suppresses iron elution and extends battery service life.

Plate-shaped frames with elastic pressing members fix battery cell edges, maintaining sealing force under high pressure while improving heat dissipation.

A biaxially stretched polyamide film layer with controlled fracture strength and strain ratios enables excellent moldability for packaging materials.

Mechanical pressing secures a rupture diaphragm to a battery housing, eliminating costly micro-welding steps while maintaining fluid-tight sealing integrity.

An asymmetrical notch in the electrode lead induces rupture under internal pressure to interrupt current flow.

An aluminum alloy foil layer with an average grain diameter of 10.0 μm or less prevents pinhole formation during molding.

A segmented side sealing structure enables controlled gas emission from a pouch type rechargeable battery.

A battery module housing features a flat vacuum pad adsorption region on the case to enable stable lifting.

A tailor-welded battery tray assembly uses varying material thicknesses to enhance structural rigidity and torsion strength.

A battery design uses segmented welding to join multiple current collecting tabs to an outer case with controlled energy levels.

Composite adhesive porous layer balances adhesion strength and ion permeability, resolving trade-offs during severe heat pressing conditions.

Nanostructured barrier layers prevent moisture ingress, resolving reliability complexity trade-offs.

A rolled steel foil substrate coated with a nickel-iron diffusion alloy layer and chromium treatment provides structural strength and adhesion.