Secondary Cells TRIZ Cases

A phosphate additive stabilizes the electrolyte interface in lithium ion batteries.

A rechargeable battery film cooling device uses a conductive metal layer to remove heat from storage modules.

Segmented binding bars resist shear stress from expanding rectangular cells, preventing end plate deformation.

A battery temperature adjuster pre-heats an electric vehicle battery before external charging to secure optimal power reception.

A battery module uses a phase-change dielectric fluid to cool cells, reducing volume while maintaining thermal performance.

Graduated power reduction actions prevent abrupt shutdowns and data loss by lowering device load before the battery reaches critical overheating thresholds.

Dual temperature sensors detect thermal runaway in battery flue gas ducts, reducing false positives from single sensor malfunctions.

A pouch battery case uses a composite metal barrier layer combining aluminum and steel to balance formability with structural rigidity.

A negative electrode mixture layer uses vinylidene fluoride and acrylonitrile polymers with vapor-grown carbon fiber to maintain electron conductivity.

Composite material manages battery pack temperature by absorbing excess heat via paraffin wax phase changes and conducting it away using boron nitride fillers.

Cooling plate perturbing contours increase coolant turbulence, eliminating dead zones and ensuring reliable battery cell temperature control.

An elastic member seals the space between the heater and holder, preventing heat loss and maintaining low-temperature performance.

Universal docking positions with integrated control circuitry resolve the trade-off between device complexity and battery compatibility during AC power outages.

A battery cell connector integrates a tapered fuse region to interrupt short-circuit currents instantly.

A spinel lithium nickel manganese composite oxide stabilizes the crystal structure through specific metal substitutions.

Polyoligomeric silsesquioxane in polyether solvents prevents anion aggregation and concentration polarization to eliminate dendrite growth.

A Li-rich positive active material with controlled Mn oxidation states stabilizes electrochemical performance in rechargeable lithium batteries.

Replacing organic binders with Group I or II inorganic solid electrolytes eliminates coating formation that impairs ion conductivity.

A solvating material thermoelectric device converts thermal energy to electrical power using a closed cell structure.

Phosphorus compounds mediate thermal decomposition of residual carbonates in nickel-rich cathodes, achieving less than 0.3% carbonate content.

Exposed cell sides enable direct thermal contact with the cooling case, resolving uneven temperature distribution across battery modules.

Encrypted RFID tags prevent data alteration during analysis, ensuring accurate life estimation.

Composite side panels merge insulating plastic frames and metal strips to reduce housing weight while maintaining mechanical strength.

An integrated sealing element merges housing and coolant connections to prevent leakage while reducing manufacturing complexity.

A positive electrode combines two lithium compounds with distinct open-circuit voltages to enhance chemical stability.

A battery cell separator integrates fluid flow paths within its structure to support adjacent cells and provide thermal management.

Sub-micron polyolefin filaments form a porous sheet that reduces internal resistance and constrains lithium dendrite growth during battery cycling.

Segmented thermal towers contour to battery cells to reduce temperature gradients and optimize space usage.

Separation protrusions on a venting cover prevent gas spread between battery modules, reducing thermal damage risk.

Nested electrode tab design improves heat conduction to temperature protection devices in secondary batteries.

A battery pack uses a fan unit to circulate air through a case housing for cell cooling.

Segmented engagement portions lock the bus bar module lid in place, preventing hinge breakage from causing electric wire exposure.

Metal compound coating on lithium cobalt composite oxide suppresses electrolyte decomposition and gas generation to prevent outer case expansion.

A thermally-activatable bi-metal pump drives airflow around generator and battery assemblies, preventing overheating during prolonged surgical instrument use.

A vehicle battery pack coupling member integrates coolant distribution and mechanical fixation to simplify assembly.

A connecting terminal fixes a temperature sensor in a thermally coupled state near the electrode terminal for precise detection.

A bio-based thermal interface material uses protein and conductive agents to dissipate heat during normal operation.

Interlocking holder assembly secures battery cells with pins and concave surfaces, preventing overheating from heat accumulation during high-output operation.

Heat transfer prevention pads delay thermal propagation between cell assemblies by absorbing external heat through phase transitions.

Cyclizing fluorinated alcohols overcomes substitution limits, stabilizing electrode films and boosting lithium-ion battery performance.

High streamline acceleration prevents sphericity degradation during neutralization crystallization for consistent battery material quality.

Segmented peripheral holes prevent rupture plate blockage, ensuring reliable gas venting and circuit disconnection under pressure.

Pin-shaped members press storage batteries in a stacking direction to maintain alignment despite dimensional variations.

Integrated cap cover guides position connection members to reduce electrical resistance and simplify assembly.

Mixing fine and coarse lithium cobalt oxide particles resolves the trade-off between electrode density and quick charge-discharge performance in batteries.

A stamped metal cooling unit secured by a distinct material frame to maintain structural integrity during operation.

A composite cathode material combines lithium manganese spinel oxide with a nickel cobalt manganese oxide to enhance structural stability.

A spiral disk shears a vent disk to interrupt current flow, preventing thermal runaway during overcharge events.

Sintering microfibrous media with active cooling structures enables efficient heat transfer from battery cells, reducing discharge derating and cool-down times.

Dinitrile additives bond with dissolved transition metals to inhibit side reactions and enhance cycle life under high-voltage conditions.