Secondary Cells TRIZ Cases

Layered Li2NiMnO4 positive electrode material stabilizes crystal structure via metal ion substitution, suppressing oxygen desorption during thermal events.

A NaVPO4F cathode delivers 3.98 V using a KTiOPO4-type crystal structure.

Carboxylic acid lithium salt mediates electrode interfaces to reduce irreversible lithium consumption and improve capacity durability.

Direct fluid immersion cooling prevents thermal runaway by merging the battery case with the coolant reservoir to reduce pack mass and volume.

Plug-in connecting elements engage end plate bushings to provide temporary bracing against lithium-ion cell swelling, reducing weight and manufacturing costs.

Metal-coated nanostrands lower electrode resistance to enable faster charging and higher power density.

Spherical particles with high solidity and circularity prevent breakage from pressure application, maintaining charge capacity in lithium-ion batteries.

ZnO coatings on garnet solid electrolytes reduce surface interface resistance, enabling stable lithium infiltration and enhanced battery safety.

Smaller inactive particles fill voids between larger active material grains, reducing lithium ion travel distance and suppressing side reactions.

Nitrile-based electrolyte additives stabilize positive electrode materials, reducing thickness expansion and improving cycle life.

A bus bar uses heat absorbers and a deformable displacement absorber to maintain stable electrical connections between battery cells.

A battery case material blend enhances thermal conductivity to dissipate operational heat.

A battery module design uses a layered phase change composite and lightweight material to manage heat distribution across energy storage cells.

Phosphoranimine compounds stabilize lithium-ion electrolytes, preventing tar formation and flammability at high voltages.

A battery pack connector links an external cooling duct to an internal chamber using elastic sealing members that adapt to assembly variations.

Bent cooling fin tabs transfer heat to a fluid manifold, maintaining cell temperatures between 15 and 40 degrees Celsius despite high ambient air.

An overlithiated lithium transition metal oxide incorporates a controlled Li2MO3 phase to stabilize the layered crystalline structure.

Precise compositional tuning of the A5B19 alloy structure balances discharge power against durability by controlling hydrogen equilibrium pressure.

Sliding hooks couple the module frame to the pack frame, removing mounting holes that reduce internal space and require bent cell terraces.

Washing and coating processes remove residual lithium from lithium nickel composite oxides, preventing gas generation and swelling in batteries.

A wire routing device uses surplus length absorption spaces to manage voltage detection wires within terminal housing chambers.

A slurry filtration apparatus removes microgels from thickener solutions to prevent defective electrode coating.

A non-aqueous electrolyte battery assembly uses an oxalatoborate compound to inhibit oxidative decomposition at high operating voltages.

Graphene conductive additive forms a surface contact network in lithium-ion battery positive electrodes to boost active material density.

Limiting members block lateral gap filler displacement during assembly, preventing air inclusions and reducing battery weight.

Hybrid filler embeds expandable polymeric beads into expanded graphite to enhance thermal conductivity in polymer composites.

Phosphate ester heat transfer fluids circulate through reservoirs to cool electrical componentry, preventing thermal runaway during fast charging.

Hydrothermal synthesis of doped sodium ferrous sulfate cathodes resolves uniform mixing challenges to enhance ionic conductivity and cycling stability.

A battery module uses a spacer to channel insulating oil directly against cells for efficient heat transfer.

Segmented cell holders restrict battery cell movement via fixing portions engaging side plates, maintaining cooling performance without thick cover members.

Integrating cell stack units with partition walls inside the pack housing eliminates dead space, improving energy density while maintaining structural rigidity.

An assembling error preventer in the sensor mounting groove guides cells away from the installation path to stop interference and damage.

A battery separator with a mesoporous electronically insulating layer improves ion conductivity and mechanical strength while preventing short circuits.

Selective cooling fin placement between parallel cell pairs reduces thermal gradients and improves current distribution uniformity.

A battery module cooling arrangement uses a U-shaped heat pipe to transfer thermal energy from electrodes to a cover-mounted heat sink.

Through holes in the heat transfer sheet reduce reaction forces on mounting flanges while maintaining thermal contact between the battery and cooling plate.

An organosilicon compound reacts with hydrogen fluoride to stabilize the solid electrolyte interface layer in lithium secondary batteries.

Mixed particle diameter fillers in a resin composition maintain high thermal conductivity while reducing injection equipment load.

A solvent-free method synthesizes high-purity lithium difluorophosphate crystals through optimized reaction and purification steps.

Selector circuits in the adapter boxes enable a single backup battery to charge multiple devices, reducing manufacturing costs for varied power sockets.

Temperature sensors trigger a dynamic spacer that widens cell spacing to prevent thermal runaway propagation.

Vertical coolant connection through intermediate pressure plate reduces lateral clearance, enabling closer module spacing and higher packing density.

Radially aligned primary particles in nickel-based cathode precursors reduce lithium ion diffusion distance.

A battery cell uses a silica xerogel heat insulator covered by an insulative film to provide thermal protection.

An intermediary base positioned between the fuse and the lead captures melted material, preventing short circuits caused by direct contact.

Integrating a cooling passage into the lower plate eliminates separate cooling devices, resolving cooling losses and reducing device complexity.

A battery busbar cooling plate integrates fluid conduits to regulate cell temperature through direct thermal contact.

An oil-soluble binder pairs with a prussian blue analogue material to reduce water molecule introduction during positive electrode film preparation.

Conductive foil and filling layer resolve compression force trade-offs by enabling easy dismounting while maintaining uniform thermal contact.