Secondary Cells TRIZ Cases

Integrated apertures in the cooling plate vent gases from thermal runaway, preventing distortion and short-circuiting.

Integrating the sense line harness into the bus bar support eliminates separate components, reducing manufacturing complexity and short circuit risks.

Multi-cyano six-membered N-heterocyclic additives form protective films on positive electrodes, suppressing oxidation and gas production under high voltage.

Folded tabs engage behind pressure plates in a form-fitting manner, converting shear loads into tensile loads to prevent cell bulge expansion.

Ketone-containing polymer additives decompose to form stable solid electrolyte interphase films, preventing oxidative decomposition at high voltages.

A LixMeyOαFβ positive electrode active material with an FM3-M crystal structure enhances battery capacity and discharge efficiency.

A single-piece conductor features a round glass-ceramic seal section and a rectangular connection end for battery housing integration.

A compact heat exchanger merges fluid connectors directly into plate structures to eliminate bulky external fittings and streamline thermal management.

A positive electrode applies a reaction inhibitor gradient to suppress thermal reactions near the current collector during internal short circuits.

An insulating extending support guides condensation water away from sensitive areas via a discharge port, preventing electrical continuity without adding parts.

Wound continuous fibers embedded in an injection-molded plastic housing wall withstand high swelling forces from expanding battery cells.

Removable battery component carriers allow individual submodule detachment, resolving the contradiction between mechanical integrity and ease of repair.

Difluorophosphite additive forms rigid solid electrolyte interface film to prevent carbonate solvent decomposition and gas generation at high temperatures.

High-valent lithiated surface structures reduce interfacial resistance and impedance at the electrode-electrolyte interface.

A bus bar module positions a voltage detection barrel portion between batteries to reduce overall dimensions.

A rechargeable battery separator uses an acrylic resin binder to bond ceramic particles and maintain structural integrity during cycling.

Partitioning ribs split ventilation paths into dedicated channels, preventing temperature hotspots that limit charging speed.

Segmented polymer and inorganic filler layers resolve the trade-off between lamination strength and electrochemical performance.

A cathode active material with a metal concentration gradient enhances structural stability and capacitance while reducing thermal runaway risks.

A flexible cooling bladder adapts to a contact body recess, resolving thermal loads and mechanical stress in battery modules.

Integrated cooling channels eliminate separate plates and pipes, reducing thermal resistance and weight while maintaining reliable temperature control.

A lithium-ion battery uses aluminum in the positive electrode and specific carboxylate ratios to stabilize the solid electrolyte interface.

A support portion on a conductive plate prevents PTC device swaying and twisting during assembly, ensuring stable electrical connections.

A battery pack cooling mechanism positions inflow tubes at the center line and outflow tubes outwardly to cool modules.

Variable thickness cooling fins reduce central heat accumulation in battery modules while maintaining high energy density.

Spraying dielectric fluid onto battery stages with a condenser reduces thermal resistance, ensuring homogeneous cooling across the stack.

Branching flow paths in a battery cooling device distribute cooling liquid evenly, reducing pressure variations that cause uneven temperature regulation.

Integrated partition cavities merge insulation and thermal paths to suppress temperature variations while reducing assembly complexity.

A wick-based thermal management system absorbs heat from Li-ion cells through liquid-to-vapor phase change.

A heating sheet uses a surface element covering 40 to 90 percent of the battery cell area to raise electrolyte temperature directly.

Composite flame arrestor screen in battery modules contains combustion events by blocking combusted fluids while maintaining necessary cooling airflow paths.

Alternating partition walls in a low thermal-conductive member reduce heat transfer between adjacent batteries, preventing sequential thermal damage.

Segmenting the side wall with a cushion layer allows smooth fitting over protrusions while suppressing heat conduction through an adjacent insulating layer.

An integrated backplane merges electrical bus bars with internal cooling channels to eliminate complex separate thermal management systems.

A battery cooling apparatus uses a fan device to blow air through a circulation passage for heat exchange.

A lithium transition metal composite oxide cathode uses tungsten and calcium dopants to reduce reaction resistance at low temperatures.

Segmented cooling plates use swelling apertures to guide pouch expansion, ensuring reliable current interrupt device operation across varying cell thicknesses.

A polyurethane binder maintains electrode adhesion and elasticity during cycling.

A single elastic member replaces foam steel strips and end plates, simplifying structure while buffering expansion stress to extend service life.

ABx metal hydride alloy forms catalytic channels to resolve low-temperature electrochemical performance bottlenecks.

A battery pack housing guide portion directs fluid flow away from structural joints using a recessed groove design.

A curved blocking member absorbs battery cell swelling through elastic deformation, preventing flame propagation between cells.

Pre-delithiated core-shell cathodes reduce initial SEI formation losses while maintaining high energy density and structural stability.

Diol compounds solvate fluoride ions in liquid electrolytes, preventing HF generation and improving Coulomb efficiency.

Deforming sealing plates detect internal pressure spikes from short circuits and interrupt parallel currents without consuming power or adding fuses.

Doping lithium cobalt oxide with aluminum and molybdenum raises the average oxidation number above 3.5, resolving thermal instability during cycling.

Segmenting the busbar frame into coupled parts reduces warpage in long structures, lowering molding costs and defective rates.

Integrally formed conductive traces on a non-conductive frame protect thermistor interfaces from damage during assembly.