Small-Sized Cells Cases/Jackets TRIZ Cases

Front and rear covers enclose the electrode group to simplify assembly.

Asymmetric case sealing covers exposed metal layers, preventing shorts and corrosion without adding insulation steps.

Integrating the electrode terminal with the collecting plate reduces manufacturing complexity and prevents electrolyte leakage in secondary batteries.

A battery pack uses a flexible covering material bonded to a rigid structure with a heat-bonding layer.

A flexible member inserted between unit battery cells and separation walls ensures close adherence to improve heat transfer efficiency.

Segmented bushing design maintains leaktightness during thermal expansion cycles while supporting heavy currents up to 500 A.

A rechargeable battery terminal uses a fastening screw and stainless steel fixing member to secure the electrode connection.

A negative electrode tab with a width-direction groove prevents cornered projection, ensuring smooth gas discharge from hollow parts.

Segmented tabs with different protrusion lengths reduce potential differences and enhance durability.

A secondary battery electrode incorporates a stress relaxation region to distribute mechanical load during curvature.

Segmented cell modules with thermal barriers isolate failures in scalable lithium-ion batteries, preventing chain reactions while maintaining power capacity.

A prismatic battery uses a deformation plate to cut off current paths under pressure while optimizing collector geometry for high energy density.

Composite cap plates and elastic collector plates prevent gas release and explosion risks during abnormal operations.

Eliminating bonding materials via direct mechanical assembly reduces weight and manufacturing complexity while maintaining structural integrity.

A battery cradle with drainage holes and channels directs entering water externally.

Variable thickness thermally fusible resin layers resolve bonding strength versus electrical insulation contradictions in electrochemical devices.

A thermally conductive sheet extending to the thermally welded sealing part of a laminate battery case accelerates heat dissipation from the cell.

Recessed housing zones guide terminals into asymmetric ports to prevent erroneous mounting and resolve positioning trade-offs.

A battery wiring module housing uses an abutting portion on a first cover to restrict movement of a third cover within storage grooves.

Integrally formed ductile service panel allows irreversible removal for maintenance while restoring moisture resistance via a replacement seal.

Sulfone-acryloyl additive forms SEI film to prevent solvent depletion and gas generation at high temperatures.

A secondary battery terminal integrates a cut-off portion that switches from grounded to cut-off state upon heat deformation.

Segmenting the connection block into aluminum and copper portions stabilizes power transmission by eliminating direct dissimilar metal welding.

Segmented opening projections secure the lid and block laser beams, preventing electrode damage from penetration.

A crimped prismatic battery housing design uses a unitary base and cover to enable efficient thermal management.

Frame tabs engage slots to secure cells, while cooling manifold apertures allow fluid flow for thermal management.

Integrated cell case recesses form cooling passages during stacking, eliminating separators to reduce volume and complexity.

A battery pack uses a composite case with metal interlayers to house electrode assemblies.

An inversion plate and shaft member re-establish conduction in sealed cells, enabling safe discharge and recycling after CID activation.

Recessed protective pressure plate shields bonding wires from external forces, preventing deformation and disconnection in battery modules.

Insulating terminal caps cover exposed electrode terminals to prevent external short-circuits while allowing easy voltage measurement and assembly.

Segmented engagement structures on a simple rectangular battery enclosure resolve the trade-off between type discrimination and manufacturing complexity.

A terminal-securing auxiliary member connects a battery post to a fuse unit via segmented portions and thin hinges.

A rechargeable battery uses a fluorescent coating layer to visualize electrolyte solution leakage through dissolution.

Embedded reinforcing fibers strengthen battery module cases against swelling pressure while maintaining low weight and device performance.

A busbar case design with specific hole configurations aligns battery terminals during assembly.

A power storage device uses a convex projection on the negative electrode cap to mechanically isolate the positive current collector from the outer can.

A rechargeable lithium battery integrates a negative electrode functional layer containing flake-shaped polyethylene particles to enhance structural stability.

Segmented separator joints create channels for electrolyte refilling, preventing breakage and extending operational life.

A niobium-titanium complex oxide anode material enhances lithium ion conductivity and insertion capacity.

End cover assembly extracts fuse section outside electrode lead-out hole to prevent electrolyte wetting and post-fusion reconnection.

An inclined battery terminal positions fuse components above the battery upper face to optimize internal space utilization.

Applying a protective film to energy storage devices prevents electrolyte leakage and electrical arcs during thermal runaway events.

A negative electrode terminal seal portion features a smooth surface roughness Ry of 15 μm or less to compress the packing against the battery case penetration hole.

A terminal base uses a floating support system to align electrical connection terminals in electric vehicle power supply devices.

A composite plastic member with embedded inorganic fibers anchors external terminals to the case surface.

Gradient anode porosity mitigates lithium plating during fast charging, extending battery lifetime while maintaining structural integrity.

Vertical cell arrangement within the grip resolves the contradiction between thin handle thickness and bulky tool size.

Single-surface bus bars merge series and parallel connections to simplify assembly while maintaining electrical reliability.

A modular cell module uses three external poles to enable flexible series or parallel interconnection of identical cells within a metallic housing.