Small-Sized Cells Cases/Jackets TRIZ Cases

A thicker first plate shifts welding pores away from the weaker shell section, reducing battery cell cracking under expansion and stress.

Hydrophilic and hydrophobic battery case layers guide extinguishing liquid for better cooling while blocking vent ingress that can cause short circuits.

A gas-capturing layer absorbs charging gases to suppress lithium battery swelling and reduce thermal runaway risk during fast charging.

Wall-mounted conductor seats simplify battery cell interconnection, cutting pack bulk while improving installation and connection robustness.

A high-conductivity layer between electrodes and separators spreads hot spots, reducing temperature deviation in secondary battery assemblies.

A section-plate-supported bus bar layout reduces stress concentration at the fuse portion, limiting vibration- or impact-driven breakage.

Peripheral active-phase crusting boosts gasoline sulfur removal while limiting olefin hydrogenation to preserve octane number.

A pressure-triggered electrolyte bladder relieves cell swelling and replenishes depleted electrolyte to limit lithium plating during cycling.

A protruding support plate creates a gap for the battery tab, preventing compression damage and extending battery cell service life.

Using niobium or tantalum battery casings, this case shows how oxide-layer formation cuts electrolytic current and hydroxide damage after ingestion.

A battery terminal circuit detects battery and engine voltages and displays their states, helping operators assess health in real time.

A welded contacting plate replaces crimped sealing parts in round battery cells, saving housing space while maintaining electrical contact.

A vapor chamber built into the battery case spreads cell heat more evenly, improving cooling and lowering thermal runaway risk.

A recessed weak structure vents battery cell pressure while limiting assembly wear, strength loss, and premature valve opening.

A shifted positive electrode start angle improves arch support in wound cells, reducing inner-circle collapse from charging expansion.

A welded disconnection prevention portion adds a backup current path in jelly-roll electrodes to limit cracking, resistance rise, and battery instability.

Overlapping first and second insulating films improve cell-surface adhesion, prevent separation, and strengthen cylindrical battery insulation.

Integrating a vapor chamber into the base or side plate spreads cell heat, improves module cooling, and lowers thermal runaway risk.

Recesses and a connection channel keep the pressure relief valve clear, enabling timely gas discharge during thermal runaway.

Magnetic members in insulation films enable one-step induction bonding of metal leads and films, reducing lead tab process time and equipment load.

A rib-compressed gasket and sealing plate keep cylindrical cells airtight without grooves or crimping, reducing height and freeing space for capacity.

Larger cathode particles in cylindrical lithium cells cut heat and gas generation during fast charging while preserving capacity and output.

Direct pole-to-pole contact with an insertion slot removes connector space, raises energy density, and supports stable battery signal sampling.

A through-hole insulating member lets electrode tabs pass near the sealing plate, preventing shorts while preserving square battery space.

An insulated coating on a metal end plate preserves welding, cuts extra parts, and improves battery module insulation, stiffness, and energy density.

Double-sided current collector exposed sections and overlapping lead placement improve cylindrical cell circularity while limiting warpage and material drop.

Insulating resin confined to the terminal mounting hole spreads interface stress, cutting leakage defects and improving battery yield.

End notches in full-tab pole pieces release internal stress, reduce warping, and improve core-end flatness for stable busbar welding.

A layered aligned and non-aligned negative electrode reduces central non-moisture areas while preserving high battery capacity.

A tab-blocked insulating member forms an accommodating space that restrains tab free ends, preventing casing contact and avoiding tab cutting.

Per-cell venting paths and venting material redirect hot ejecta away from adjacent cells to limit thermal runaway spread in dense battery packs.

Welding the collector from outside the battery container avoids metal splash inside the cell, speeds production, and simplifies weld inspection.

By moving the collector-to-terminal weld outside the container, this case avoids metal debris and supports faster battery assembly and weld inspection.

An insulating film between thermal resin and the heat sink keeps uniform heat transfer while allowing battery cell stack removal without damage.

A built-in gap-maintaining part keeps at least 0.7 mm between the electrode assembly and bottom vent to preserve gas discharge during thermal runaway.

External access welding connects the collector to the outer pole faster while avoiding metal debris inside cylindrical lithium-ion batteries.

Flat-sided, curved-end battery housing creates more electrolyte space around a dual-wound electrode assembly while reducing case volume.

A gap-maintaining part keeps a vent passage open in bottom-vented secondary batteries to discharge gas and prevent case rupture during thermal runaway.

A microporous gas-permeable film vents battery cell gas while blocking electrolyte leakage, reducing pressure buildup, swelling, and safety risk.

An integrated insulating member creates a tab-blocked space that restrains tab free ends, preventing casing contact and removing tab cutting.

A flat conductive cover replaces hard-to-weld top beading surfaces, enabling same-side electrode tab routing and better space use.

Direct-contact cooling around battery cells improves heat dissipation while insulated holder plate spacing helps prevent electrode interference.

A compressed thermistor on the battery top cover shortens the heat path for faster, more accurate temperature sensing under high discharge.

Barium sulfate and organic expanders in the AGM battery negative plate improve charge acceptance, cycling, and rechargeability in start-stop use.

Integrated receiving parts connect adjacent cell stacks through the housing, raising power capacity while cutting module complexity, weight, and cost.

Separate high- and lower-nickel cathode groups balance capacity, stability, and rapid charging while limiting gas generation at high SOC.

Alloying low-carbon battery case steel with Nb, B, Mo, and Ti helps retain high-temperature strength and prevent sidewall rupture.

An inward-bent casing and outer washer secure the rolled core without roll grooving, reducing breakage risk and freeing space for more capacity.