Small-Sized Cells Cases/Jackets TRIZ Cases

A porous main layer and electrolyte-melted auxiliary layer release internal gas while blocking conductive impurities that can cause short circuits.

Stepped case surfaces protect output and communication terminals from impact while enabling modular battery pack expansion for higher power.

By placing both electrodes at one end and welding the cap plate to the can, this case simplifies bus bar connection and improves capacity-to-height ratio.

A caulked terminal with inner and outer flanges replaces narrow-space laser welding, reducing spatter defects and weak battery can joints.

A meltable auxiliary layer on a porous insulating plate releases gas pressure while blocking conductive impurities that can cause shorts.

Arc-shaped pouch cell seal edges cut wasted corner space and reduce bending wrinkles, helping raise energy density without seal breakage.

A welded cap plate and same-end electrode layout simplify bus bar connections, remove the gasket, and cut battery height.

A top-mounted inlet and outlet manifold cools battery terminals and connections while improving temperature uniformity across linked batteries.

A bottom-side guided groove and stepped notch shrink battery casing size while preserving reliable terminal alignment and handling.

A copper-aluminum busbar interface cuts battery module weight and cost while preserving conductance and robust external connections.

A tailored solvent-additive electrolyte forms a stable interfacial film to speed charging while preserving cycle life, storage life, and safety.

Hermetically sealed non-cuboidal metal can batteries use shaped layouts to fit tight wearable spaces while maintaining high energy density.

Tighter cup-to-electrode width, rounded punch edges, and AA8021 barrier foil improve pouch-cell moldability, volume use, and edge flatness.

Two cylindrical cells in series with PTC protection raise emergency telephone power output and extend call time in a compact module.

A segmented cap assembly with a terminal plate and insulating gaskets enables reliable external welding while limiting short-circuit risk.

Adjusts laser frequency, speed, and focal distance so battery tube markings remain readable after shrink heating without separate labels.

A sealing member barrier blocks electrolyte capillary rise into the melting portion, reducing weld defects and preserving battery energy density.

Dual seal members and an external locking layout block water ingress into the battery pack cavity, reducing short-circuit risk in power tools.

Arc slit cutting at the pouch inner corner relieves L-shaped forming stress, preventing cracks and preserving residual aluminum.

Different-diameter protrusions on one welding plate enable same-position re-welding on cylindrical battery terminals, reducing scrap and weld defects.

A solid electrolyte matrix with embedded reference electrodes and SoC adjusters enables accurate 2-, 3-, and symmetric-cell battery analysis with less distortion.

An integrated sealing ring and terminal plate simplify battery assembly, cut component count, and make external lead wire connection easier.

A titanium inner conductor and ferrule with a low-silica insulating core create a hermetic seal while avoiding glass damage from high-temperature joining.

Asymmetric edge and strip contacts reduce resistance and save volume in cylindrical energy cells, improving fast charging and limiting lithium plating.

A sealed gas-producing chamber in the battery cover cuts terminal current quickly during overvoltage, improving early thermal runaway protection.

Elastic side pressing plates built into the module housing compress pouch cells to suppress swelling while avoiding pads, straps, and extra assembly steps.

A closed-notch safety vent enables full gas release under pressure while preserving vibration resistance and cap assembly rigidity.

Specific pore distribution and conductive inorganic particle dispersion lower Li-ion resistance for faster charge-discharge and longer vehicle battery life.

A segmented measurement chamber and injection path improve cylindrical battery electrode potential consistency while reducing electrolyte waste.

End-face grooves and an insulating resin boundary keep wound electrodes aligned, lowering internal resistance and short-circuit risk.

A resin tab film seals the copper-aluminum boundary in a laminated battery terminal to prevent electrolytic corrosion without added processing defects.

An integrated flange and inserting electrode stiffen pouch cell terminals, replacing welds to prevent breakage, heat, and unstable contact.

Insulation films covering electrode surfaces and terminal interfaces help compact laminated batteries resist short-circuits, delamination, and thermal stress.

An integrated flange-and-insert electrode terminal lets pouch cells support their own weight without welding, improving connection stability and safety.

A reinforcing portion constrains the adapter bending axis, preventing offset and local stress during battery cell installation.

A partial crimped shell and recessed joint let a button battery break its seal at set pressure for faster venting and lower fire risk.

A push-release hook terminal cover avoids rotational wear on the pack case and makes battery pack attachment and detachment easier by hand.

A single lead plate directly links the terminal and conductive sheet while adding fuse protection to simplify cylindrical cell assembly.

Threaded upper and lower cans with an insulator strengthen button-cell sealing under pressure while preserving space for higher capacity.

Fine barium sulfate, conductive carbon, and expanders in the negative active material raise charge acceptance and cycling for start-stop batteries.

A conductive substrate edge replaces tabs in a rolled cell, shortening current paths to reduce resistance, current deviation, and heat buildup.

A bending notch and rupture notch prevent top cap interference, helping the safety vent open at the preset pressure.

Bending the pouch case along the recessed edge line cuts residual stress, preventing bat-ear deformation and improving cell shape accuracy.

An integrated end contact and annular insulating seal replaces welded lugs to cut internal resistance, spread current, and reduce fast-charge heating.

A two-can press-fit battery housing improves sealing and assembly while releasing under high internal pressure to disconnect the electrodes.

Multiple bent current-collecting tabs replace a collector plate to save inner space, cut cost, and raise secondary battery capacity.

A localized isocyanate concentration in the wound electrode and case wall cuts initial resistance while preserving cycle-life benefits.

A connection pipe and aroma valve vent battery gas at set pressure while limiting moisture ingress that can trigger side reactions and defects.