Small-Sized Cells Cases/Jackets TRIZ Cases

A water jet cuts the electrode terminal connection in collected lithium-ion batteries without pre-discharge, reducing ignition risk in recycling.

A notched vent plate, support plate, and insulator let a cylindrical secondary battery clear the gas path during rupture and discharge more gas.

A fused laminate corner and inclined surface suppress film deformation and wrinkles, preserving battery sealing under load.

Higher DBP absorption in the upper cathode region offsets gravity-driven electrolyte imbalance and improves charge-discharge cycle life.

An elastomeric lid gasket and insulator compartment block lithium cluster bridging to the terminal pin in ferrule-free Li/SVO cells.

A cap with spaced electrode connections replaces a second collector plate, freeing cell volume while lowering resistance and assembly cost.

An elastic deformation part in the gasket or insulating plate keeps the vent member from recontacting the metal plate after pressure relief.

A bottom cooling plate with parallel pins and a center rod pulls heat from the electrode assembly to limit resistance rise during high-current discharge.

Injection-molded plastic forms an adhesive-free fold seal on prismatic battery cell covers to block electrolyte leakage and moisture ingress.

Porous separators and dissimilar conductive current collectors spread charge current to cut recharge time while limiting heat, gas formation, and dendrites.

A curved can-floor section redirects excess metal away from the safety vent, improving flatness and reducing vent damage in cylindrical Li-Ion cells.

A concave-convex terminal nests the current collector to remove clamping, save battery space, and simplify accurate welding.

A cap-up, safety vent, and gasket keep the weld area away from the case end to improve sealing pressure and prevent electrolyte leakage.

A segmented casing with circular ends and parallel lateral surfaces improves sealing, packing density, and fluid-based temperature uniformity.

Overlapping and bonded bus bar plates and sensing plates stabilize wire bonding against vibration and impact while simplifying battery module assembly.

A recessed end cover forms an integral pressure relief path that cracks along a graded weak portion to vent battery cell pressure without joint defects.

Recoverable conductive sheets in a recessed can maintain low-resistance contact and cushion crimping forces to protect all-solid-state battery layers.

An inclined contact and buffering section expand battery casing connection area, spread stress, and improve overcurrent stability.

An annular tab and current collecting member shorten the conductive path, cut internal resistance, and improve battery cell overcurrent capability.

A standardized battery interface supports hook, snap, slide, and twist attachment, cutting swap time across portable devices.

A pressing member on the radially extended can opening creates a flat external terminal for stable lead joining without wrinkling.

Direct laser marking on battery heat-shrink tubes tunes frequency, speed, and focus so text stays readable after shrinking and labels are eliminated.

Facing battery groups are thermally connected to spread heat, reduce central-cell overheating, and keep pack temperatures more uniform.

A fastener plus fused metal joint keeps aluminum and copper terminal members in close contact under vibration, lowering resistance and crack risk.

Different elongation rates in the cap-down portion and safety vent delay premature vent opening under high-temperature pressure rise.

A holding frame reinforces the cell vent during thermal runaway, retaining the coil while still releasing gases safely.

Pre-wired terminals, bus bars, and dedicated wire harnesses simplify series battery assembly while reducing wiring work, errors, and maintenance costs.

A high-melting organic acid in electrode gaps melts during short circuits, lowering hydroxide concentration to curb battery heating.

Nested insulating layers and side-surface voids block moisture and absorb vibration stress, improving miniature battery sealing and durability.

A nonconductive shell and base-plus-wall terminal layout cut conductor use while preventing anode-cathode shorting in tall cylindrical cells.

A stepped lead-out pole eases riveting while supporting the gasket, preventing sealing-ring damage, warping, and short-circuit risk.

An outward-extending can end and inward crimped seal create a flatter, larger lead connection area while maintaining gasket sealing.

An oxide-forming metal coating rapidly suppresses electrolysis in GI fluids, helping button and coin cells deactivate before tissue damage occurs.

By placing both tabs on one end face and connecting them through an insulated top cover, this case frees internal space and raises energy density.

A casing position-limiting portion guides the connecting member for accurate welding, improving battery assembly yield and consistency.

Multiple uncoated electrode regions improve cylindrical battery current collection, cutting resistance and heat during rapid charging.

A modular lithium-ion battery uses insert molded terminals, series cells, and adjustable tray height to fit varied vehicle energy needs.

Spline-shaped curved battery packs fit contoured wearable housings to improve balance, save space, and reduce neck strain.

Modified negative active material with barium sulfate and expanders helps AGM batteries sustain start-stop loads with stronger charge acceptance and cycling.

Cap plate protrusions reinforce terminal-coupling stiffness while allowing thinner battery terminals to cut weight and prevent alloy formation.

A porous conductive anode matrix embeds metallic lithium to limit swelling, lower internal resistance, and improve heat dissipation.

A CID filter and aligned vent hole let activation gas escape while preserving sealing, reducing pressure buildup and lithium precipitation.

Dividing grooves and fusible bridges let a battery current collector plate open a gas discharge path during thermal runaway.

Combining two lithium-transition-metal oxides with carbon nanotubes protects cathode particles and improves capacity retention over charge-discharge cycles.

A stacked exposed negative current collector is welded to the metal case to keep conduction stable as charge state changes and aging progress.

A preformed stop in the battery casing guides the connecting member for one-time welding, reducing friction, misalignment, and yield loss.

A one-sided folded sensing substrate enables stable battery cell monitoring while protecting sensing devices from impact and easing terminal routing.

A tab-less terminal with flanges and a flat current-collecting section lowers inner resistance, improves space use, and reduces heat in cylindrical cells.

An internal heater, temperature sensor, and processor warm battery cells above the charging threshold to enable faster cold-weather charging.

A double sidewall and cross-fastened case removes welding, cuts parts, improves rigidity, and suppresses cell expansion.