Secondary Cells TRIZ Cases

An integrated substrate merges electrical and mechanical functions to distribute vibration stress across battery modules, reducing manufacturing complexity.

Lithium positive electrode active material with high tap density produced by heating a precursor in a reducing atmosphere.

Incorporating fluorine compounds into phosphate-based electrodes reduces electrolyte decomposition, enabling rapid charging at low temperatures.

Stacked thermally-conductive cartridges and pack case transfer heat from secondary batteries, eliminating bulky cooling channels and reducing fabrication costs.

High molality aqueous electrolyte prevents organic positive active material dissolution, resolving the trade-off between capacity and cycle-life stability.

Remote laser welding creates leak-tight joints in large battery cooling plates, eliminating porosity and high reject rates common in brazing.

Overlapped vehicle battery cells bond directly to a wave-shaped cooling channel, resolving heat dissipation limits in compact energy storage designs.

A three-layer porous separator uses a low-melting middle substrate to block ion flow and enhance battery safety.

Applying porous insulating layer to wet electrode slurry prevents binder pore blocking, enhancing secondary cell stability and safety.

A battery frame device uses pin-and-recess connections with bolt-like securing elements for tool-free assembly.

An insulating oil layer flows between pouch layers to isolate electrodes, preventing short circuits and ignition risks during nail penetration tests.

Center-dense heat conductive material suppresses local temperature increases within battery packs.

A management device recalculates the state of power for remaining parallel storage blocks after disconnecting a faulty unit.

Double-sided adhesive tape fixes a buffer sheet between cells and cartridges, absorbing impact damage while allowing internal gas pockets.

Pre-treated lignin replaces PVDF as a binder in lithium-ion battery electrodes to form stable aqueous slurries.

Spacers and bus bars create segmented flow paths for forced air cooling, removing heat from high-power unit cells while maintaining structural integrity.

A battery pack uses a thermally conductive resin layer to transfer heat from the cell stack directly to the pack frame.

A vehicle battery cooling structure uses a dedicated storage chamber to increase heat capacity and improve exchange efficiency.

Segmented tubular elements maximize contact surface area with battery cells, resolving space constraints in compact modules.

Sodium monofluorophosphate electrolyte additives form a protective Solid Electrolyte Interface film on battery electrodes.

Oxynitride solid electrolyte film enhances ionic conductivity through P—N bonds, reducing internal resistance in secondary batteries.

Flexible retention platforms bridge dimensional gaps between the battery array and thermal exchange plate, reducing reliance on additional interface materials.

An organosilicon compound reacts with hydrogen fluoride to form stable silicon-fluorine bonds within the electrolyte.

A stackable battery cell holder uses a guiding device to allow relative movement within the module frame.

A welded fiber mat sleeve provides high temperature resistance to prevent internal short circuits in battery system conductors.

Intermittent heating maintains battery temperature, preventing capacity loss from low-temperature internal resistance.

Antimony intermetallic compounds enable two-electron transfer in magnesium batteries, overcoming lithium-ion capacity limits.

A vehicle thermal management system calculates future heat exchange needs using past component states and disturbance data to optimize operation.

A shock absorbing layer with a lower elastic modulus cushions high-temperature gas discharged from battery valves inside the exhaust duct.

Single piece metal structure unifies battery stack temperature regulation and cell expansion restraint within the pack assembly.

A lithium composite cathode active substance with controlled porosity ratio stabilizes the layered structure.

A battery management device mounts on a module cover to monitor cell voltage and temperature.

Rail-shaped shelves support battery modules while recessed ventilation slots enable airflow to prevent heat accumulation.

A cooling plate with separate passages thermally attaches to battery modules via a support plate for active thermal management.

Porous partition walls transfer electrolyte components between accommodating spaces to maintain consistent concentration levels.

Tubular flanges link partial module volumes for direct cell cooling, reducing installation space while maintaining high thermal efficiency.

An exterior cooling unit supplies fluid through an upper duct to spaced battery racks inside a storage chamber.

A-site potassium and B-site Group VIII element doping stabilize the cubic phase of lithium manganese spinel, preventing capacity fading during cycling.

A lithium secondary battery cathode combines gradient and single particle structures to enhance electrical performance and mechanical stability.

Continuous carbon-based thermal film forms a conformable pouch around battery cells, accommodating dimensional variability to maintain reliable thermal contact.

Single-layered sub bus bar and integrated cell frame resolve rigidity versus complexity trade-offs in battery pack design.

Metallic hollow cooling profiles fit between cylindrical battery cells to dissipate heat through direct contact surfaces.

A silicon-transition metal alloy negative electrode maintains low electronic resistance during charge cycles.

Dual voltage measurement circuits determine self-discharge leakage current in storage cells with high precision.

Welding voltage measurement portions to electrode tabs using identical materials ensures stable electrical connections within battery modules.

A thermally conductive sheet bridges uneven battery cell surfaces to a cooling member, resolving low thermal conduction in rubber fixation layers.

An inverted inlet connects the farthest channel first, eliminating preferential flow and air locks while reducing manufacturing costs.