Small-Sized Cells Cases/Jackets TRIZ Cases

An inwardly extending annular shoulder engages a cap assembly during crimping to prevent seal failure under high internal pressure.

Niobium-titanium composite oxide electrodes resolve the safety versus capacity trade-off by enabling rapid lithium ion insertion without dendrite formation.

A battery module cell cover integrates terminal isolation features to prevent interconnect contact between adjacent positive and negative terminals.

Projections on the battery case outer surface expand the heat dissipation area to improve thermal management.

Spin coated resin layers resolve dimensional accuracy trade-offs while maintaining lightweight design.

A pressure tolerant battery uses a dielectric fluid and bladder to equalize internal and external pressures for subsea power supply.

A lead-insulating film with a heat-resistant base and paired resin layers seals battery modules.

Segmenting the battery system allows axial placement alongside the hub, increasing capacity without expanding wheel volume.

A battery terminal with a protrusion compresses a sealing member to prevent electrolyte leakage during housing deformation.

Elastic connecting members absorb impact forces between adjacent battery modules, preventing safety accidents while maintaining structural rigidity.

Offset crash elements absorb impact forces through hexagonal shell structures, reducing battery damage risk during collisions.

Orthogonal signal connector placement reduces mounting area while preventing short circuits.

Directly welds uncoated electrode portions to housing wall beads, eliminating collector plates and reducing internal resistance.

Support plates distribute uniform surface pressure across stacked cell modules, resolving weight-volume trade-offs while maintaining durability.

A connecting element uses a low melting point alloy bridge to interrupt overcurrents in secondary batteries.

A battery housing seal integrates a valve and desiccant chamber to manage internal pressure and remove moisture from gases.

A battery module bus pattern uses varying width to equalize electrical resistance across parallel paths.

Segmenting the plateau region into two steps enables remaining capacity detection while reducing electrolyte consumption and extending cycle life.

Relocating the controller to the rear shell isolates it from light source heat, extending service life and simplifying assembly.

Segmented bush members with guide portions couple end plates to distribute impact forces uniformly, preventing localized stress concentration at fixing points.

Notched segmented electrode leads detach progressively under internal pressure, increasing resistance to warn users before complete disconnection.

Positioning a conductive tab element proximate to a geometrically determined heat center improves internal temperature sensing accuracy in battery cells.

An insulating mediator prevents direct contact between electrode terminals, resolving the trade-off between measurement speed and short circuit safety.

A cylindrical battery top cap features a convex bent area between the edge and central regions to buffer crimping pressure.

Bent substrate units constrain casing movement to prevent separation caused by weakened welding bonds.

Dual gas pockets in a secondary battery collect and exhaust internal gases, preventing pouch rupture and leakage while ensuring safe operation.

A miniature electrochemical cell uses ceramic substrates and precious metal braze to create a hermetically sealed casing for internal electrode assemblies.

A protection assembly with a particle-blocking layer intercepts high temperature particles ejected from battery pressure relief elements.

Methylene cyclic carbonate suppresses decomposition reactions in secondary batteries, preventing swelling while maintaining high energy density.

Multi-layered terminals with indium segments melt to create gaps, preventing short-circuits without adding weight or complexity.

Laser-welded steel plates form a hexahedral casing with a temperature-sensitive insulator to vent pressure and prevent explosions from overheating.

A secondary battery design eliminates the beading portion to maximize internal volume and increase electrode accommodation space.

Segmented string groups with linear bus routing prevent short circuits while simplifying assembly operations.

A molded top case with elastic electrode terminals secures bare cell leads to a protection circuit module.

Stacked flexible bus bars absorb vibration energy through elastic deformation, preventing damage to electrode terminals during assembly.

A sealed battery sealing member uses differential gas exhaust holes to manage internal pressure and prevent electrolyte scattering.

A battery pack design segments its interior space to match cell performance with local temperature change rates.

Bonding part fills gap between through hole and electrode terminal while bonding cover provides stable sealing against internal pressure.

Hook assembly laminates sampling terminals to main board electrical connection areas for stable contact.

A fuse unit holding mechanism secures a fusible link on a battery housing post-standing surface to enhance attachment stability.

External short-circuit part with insulator and cap combination discharges internal pressure while preventing alien material permeation.

Heat welding a composite reinforcement plate eliminates separate adhesives, resolving complexity while improving structural strength.

A secondary battery positions a circuit board between the main body and an upwardly bent sealing part to achieve a compact structure.

Replacing adhesive bonding with mechanical fasteners resolves sealing defects while improving visual inspection of the battery enclosure.

A battery module frame includes a venting guiding portion that releases internal gas pressure through material reduction at the cell perimeter.

Segmented busbar arms with trough members interlock with battery cell ridges, creating adequate surface area for reliable weld spots.

A movable fixing terminal with a rotation shaft absorbs vibrations to maintain stable electrical contact, enabling easy battery replacement without welding.

Outermost electrode terminals feature increased thickness to enhance mechanical rigidity and connection reliability within stacked battery modules.

A pre-assembled electrical connection unit uses a cage to guide a fastener into a bus bar hole.

Metal casing walls use laser welding at bare edges to form a hermetic seal while maintaining electrical insulation on coated surfaces.