Small-Sized Cells Cases/Jackets TRIZ Cases

Offset tab groups and integrated terminal joint sections let more electrode components fit without extra parts, boosting capacity and limiting current loss.

A two-step molded elastic housing lets a battery module bend while absorbing impact, helping prevent damage in wearable electronics.

Segmented tabs in a cylindrical cell preserve end-surface flow paths, improving electrolyte infiltration and gas exhaust without losing connection reliability.

An anti-deformation tab and localized separators help compact Li-ion electrode assemblies resist core deformation and short circuits.

Borophene particles and an ionic liquid form a conductive electrode layer that boosts capacity, speeds charging, and extends cycle life.

A gas pocket on the electrode lead moves a current sensing portion to turn battery swelling into an early electrical warning of failure.

Curved weld geometry on the current collecting plate enlarges terminal contact area, strengthening bonding and electrical connection in secondary batteries.

A protruding end cap with a matching recess improves battery cell alignment, lowers assembly friction, and protects sealing performance.

A layered aluminium-steel housing cuts weight while maintaining strength and thermal runaway protection for battery cells or capacitors.

An extended folded positive tab disperses stress in cylindrical batteries, preventing vibration-driven disconnection at the top cap.

A threaded clamp and fixing member secure the vehicle battery cable while avoiding tool interference and simplifying assembly and removal.

Metal-compound additives in the nickel positive electrode suppress oxygen generation, cutting resistance rise and electrolyte loss across temperatures.

A TPMS core separates cooling fluid and phase change material to stabilize battery temperature, cut cooling energy use, and lower thermal runaway risk.

Permeable insulating members on the wound cell side surface help tabless secondary batteries keep high current capability without losing structural reliability.

Expansion tape rises to the separator level and swells with electrolyte to fill gaps, preventing positive-end contact with the battery housing.

A nested reinforcing portion strengthens a thinner battery can sidewall, preserving capacity and heat dissipation without extra joining steps.

Alternating triple and double seam welds join the can, collector plate, and cap to save space, simplify assembly, and maintain sealing reliability.

An integrated current collection terminal and gasket simplify battery electrical connection, insulation, and sealing while cutting parts and assembly cost.

Segmented radial and circumferential weld patterns limit heat superposition, avoiding poor or over welding in cylindrical batteries.

Axial foldback sealing replaces groove-based fixing to free more electrode space, boosting cylindrical battery capacity and pack productivity.

Direct core assembly in a partitioned housing simplifies lithium-ion module build, raises energy density, and reduces impedance.

A radially segmented current collector plate absorbs impact and vibration, reducing torsion stress at welded battery connections and improving safety.

A cut-away insulator plate and extended internal lead keep the terminal connection intact under lateral impact and suppress internal resistance rise.

A concave cathode end plate absorbs heat-driven cathode expansion, keeping molten sodium cells stack-aligned without changing thickness.

Welding stepped parts on the can bottom replace a current collecting plate, cutting parts count and freeing space for higher battery capacity.

Grooved end faces in a wound electrode body increase collector contact, lowering internal resistance and supporting higher current capacity.

Different-colored active material layers near the tab let battery electrode sheets be oriented correctly without extra markings or chemical instability.

A tubing-wrapped jelly roll with a central hole improves insulation and current collection while cutting resistance, heat, and assembly time.

An extended negative current collecting plate enables external welding in a cylindrical battery, preventing internal debris, lowering resistance, and reducing defects.

A support guide spaces adjacent battery cell sealing portions to prevent current leakage and dielectric breakdown during module assembly.

Different-colored active material layers near the electrode tab make sheet orientation easy to verify without extra markings or chemical side effects.

An angled, rounded sealing indent frees more pouch cell space while preventing folding, burring, and cracking at the corner seal.

Multiple mirrors capture all cylindrical battery side areas in one image, avoiding rotation noise and improving defect detectability.

Cantilevered current collector plates and slits let weld zones move independently, reducing separation in cylindrical batteries under vibration or impact.

A single connection laminate links adjacent cell terminals, cutting module volume, removing bus-bars, and improving moisture resistance.

A thermally conductive protective film helps a compact battery pack protection circuit dissipate heat without sacrificing cell capacity.

Electrical isolation between the cell sleeve and integrated end-cap terminals simplifies assembly, broadens material choice, and limits side reactions.

By linking the terminal to the tab's outer annular portion, this case shortens current paths, cuts resistance, and improves overcurrent charging.

Varying current-collecting tab lengths creates a curved tab bundle that saves cell space, improves heat dissipation, and aids electrolyte permeation.

A collector protrusion passing through the battery terminal enables visual weld alignment checks, reducing contact defects and improving connection reliability.

A thermally conductive protective film cools the protection circuit module, enabling a smaller battery pack layout without overheating or capacity loss.

An extended gasket intersects potential bridging paths between the outer can and sealing body to suppress short circuits during handling and transport.

An auxiliary groove in the cap plate disperses notch stress, preventing premature rupture while preserving pressure venting in cylindrical batteries.

Direct-contact resistive heaters warm battery cell housings quickly, saving pack space and preventing lithium plating during low-temperature charging.

Using battery cases as terminals and separating them with an insulating gasket cuts parts and cost while preventing short circuits.

Different front and rear base-material heights in a wound electrode assembly prevent drooping, short-circuiting, and coupling loss.

A pressure-driven variable connection part opens the current path in a cylindrical battery while preserving a stable terminal welding area.

A stepped terminal groove increases sealing-member contact area, improving connection stability and battery cell assembly efficiency.

A guide piece inserted into the bent tab opens electrolyte paths into the jelly-roll body, improving active material infiltration and battery performance.