Small-Sized Cells Cases/Jackets TRIZ Cases

A secondary battery collector uses a thin peripheral edge to act as a thermal fuse for overcurrent protection.

A battery assembly merges two cells sharing a thin encapsulation layer to boost volume power density.

An insulative interference preventive member interposes between a male screw and battery cell terminals, preventing damage or short circuits during assembly.

Electric field triggers inert gas generation to activate a current cut-off device, preventing overcharge hazards without reducing energy density.

Electrolyte immersion of the separator lower end prevents inward bending and negative electrode overflow, maintaining battery capacity.

Segmented insulation members resolve the contradiction between electrical isolation and electrolyte penetration, improving energy storage capacity.

A deformable buffer portion absorbs rotational displacement between a connection terminal and a wall portion in a power source device.

Stacking varied-size cells in a stair-like structure fills dead spaces in curved devices, boosting capacity per volume.

A bending type secondary battery can uses curved corner portions to achieve uniform thickness and precise dimensional accuracy.

A short-circuit member features a deformable part that electrically connects electrodes under internal gas pressure.

Offset collector base and lead boundary on square battery sealing plate to reduce connection damage from vibration.

A battery connector detects cable orientation to switch between power supply and receiving modes, eliminating separate ports that increase device complexity.

A connection module adjusts inter-array bus bar inclination angles to maintain electrical continuity across power storage element stacks.

Lead plates distribute external impacts across the electrode terminal and PTC unit, preserving circuit module flatness without adding complex brackets.

An intermediary aluminum alloy connector prevents electrochemical corrosion between copper and aluminum terminals, maintaining low contact resistance.

Segmented insulation member and terminal plate grooves prevent electrical short circuits caused by salt water intrusion between polarities.

A vehicular battery pack groups high-voltage components in an isolated E-box with internal terminals that connect only upon final assembly.

Cold spray deposition bonds electrode tabs to busbars through perforations, eliminating oxide depositions and high-wear tooling.

Curved weld patterns distribute stress across battery terminal joints, eliminating high stress concentrations at linear endpoints.

A battery pack middle cover coupling flange secures cells within the housing structure to prevent vibration damage during operation.

A compact secondary battery module integrates a master BMS circuit board within a sensing housing coupled to cartridge assemblies via hooks and grooves.

Connection blocks route electrode tabs through substrates to join circuits while avoiding thermal damage during welding operations.

Elastomeric cell constraint stabilizes pressure against temperature fluctuations and vibration-induced deterioration.

An integrated battery terminal merges bus bar and current collector joints to simplify assembly.

Insulating cover portion prevents short circuits between module-side terminals and bus bars by sealing interconnecting holes in the housing.

Segmented bracket design with peripheral walls resolves the trade-off between high energy density and external stress resistance.

A battery core pack frame secures inside an outer shell case above the bottom case to maintain structural support.

Asymmetric cable designs prevent accidental misconnection between battery posts and external devices, reducing safety hazards from reverse polarity.

A cylindrical battery terminal uses a keyed plug to align and seat electrical posts for secure connection.

A battery module uses a wire supporting portion to route conductors through a middle cover without overlapping vent holes.

Electrode terminal protrusion breaks electrical connectivity during over-current flow, resolving safety risks associated with fixed connection structures.

Radial compression of the outer peripheral surface inverts deformation direction, enabling reliable sealing of thin-walled aluminum battery cases.

A hydraulic press applies isotropic pressure to solid-state battery cells using a conductive liquid medium.

A battery pack housing integrates a dual pressure equalization device with distinct ambient and extreme members to balance internal and external pressures.

Staggered battery cell array reduces module weight by distributing forces through structural foam, resolving size and impact trade-offs.

Grooves around the safety vent absorb ultrasonic welding vibrations, preventing damage while securing terminal connections.

Integrated rail and slot structure connects battery cells while protecting exposed terminals from inadvertent contact.

Locating features align terminal holders to resolve misalignment issues and ensure consistent bus bar welds.