Secondary Cells TRIZ Cases

A sliding coupling with an o-ring seal accommodates fluid port position tolerances, enabling fast rigid tube assembly without manual adjustment.

Flow-guiding surfaces and diffuser sections improve battery module cooling uniformity while reducing dead volume and pressure loss.

Aromatic hydrocarbon additives induce controlled phase separation in lithium battery electrolytes to reduce degradation and extend cycle life.

A dual-fluid battery housing transfers heat through the module wall to smooth cell temperatures while cutting fluid weight and sealing complexity.

A porous swelling compensation member maintains electrode pressure and electrolyte supply while exposed housing regions enable external cooling.

Controlled O3/P2 phase ratios in doped layered oxides improve sodium-ion battery capacity, rate capability, and cycle life.

A bag-body heat exchanger cools battery side surfaces, maintains contact during expansion, and reduces leakage and pressure loss.

Integrated side-beam venting channels hot gas, flames, and particulates from failed cells out of the vehicle to limit thermal runaway spread.

Segmented cell connections, unit cooling plates, and heat transfer sheets enable adaptive output and capacity with uniform cell cooling.

A flexible cooler connecting section adapts to uneven cell heights, keeping the thermal layer uniform and cooling battery cells evenly.

A two-part CCS bracket uses a dedicated positioning structure to improve installation precision, rigidity, and battery module layout.

Conductive thermoplastic anodes replace graphite and copper collectors to cut battery production cost, improve recyclability, and limit dendrites.

A notched insulating cover over the cell safety vent releases thermal runaway gas while shielding adjacent battery cells from heat and flame.

Curved side and intermediate holder surfaces mechanically constrain cylindrical cells to prevent rotation, vibration damage, and adhesive-heavy assembly.

A relay-FET safety switch and polarity detection circuit enable compact jump starters to deliver high current without reverse-connection damage or overheating.

Alternating terminal and opposite surfaces across stacked cells spreads heat more evenly and reduces temperature differences in power storage modules.

A limiting member and insulating films guide adapter bending, disperse stress, prevent short circuits, and extend energy storage life.

A 3D cross-linked porous silicon-carbon anode with targeted electrolyte additives limits volume change, strengthens SEI, and improves cycle life.

Accommodating grooves in a battery terminal block secure temperature sensors, reducing detachment risk and improving monitoring stability.

Controlled dopant distribution in high-nickel NCM cathodes improves thermal stability and preserves energy density during high-temperature cycling.

Rib, notch, and cross-member interlocks replace metal connection points in HV battery assemblies to cut weight and preserve ventilation.

An integrated module frame and heat sink cuts air gaps, improves battery cell cooling, and strengthens welded end-plate joints.

A same-end inlet and outlet conduit layout equalizes battery coolant path lengths, cutting pressure loss and removing flow restrictors.

Controlling the coating Li/O ratio to 0.26 or less cuts interfacial resistance and oxidized layers while preserving battery discharge voltage.

Assembly guide protrusions and grooves align the module frame accurately, preventing welding defects in large battery modules.

A vent gas manifold and immersion cooling isolate hot pouch-cell venting to limit thermal runaway propagation in EV battery packs.

A heat fusion layer over an inorganic particle coating helps battery separators resist heat shrinkage while maintaining strong electrode adhesion.

Varying cooling passage cross-sections by battery temperature evens pack heat distribution and helps suppress uneven deterioration.

An isolation strip closes clamping-strip channels between battery modules to block heat and particle transfer during thermal events.

Reinforcing pieces and a connecting member stiffen the battery box, limit cell expansion, and reduce collision damage to extend cell life.

Pre-applied TIM on a release sheet enables automated battery pack transfer, cutting assembly cycle time while maintaining bonding accuracy.

Tapered insulating members and a cover vent redirect hot gases outside the module to limit thermal runaway spread between adjacent cells.

A hydrolysis-resistant lithium salt and passivator suppress HF, limit transition metal dissolution, and stabilize SEI cycling at high voltage.

Controlling spray-drying gas-liquid ratio keeps Li-P-O coated active material at D50 ≤ 5.5 μm, suppressing granulation and battery resistance.

Integrated fixing protrusions secure the fuse bar on the busbar holder, blocking row-to-row overcurrent while cutting assembly time and cost.

A curved terminal contact surface increases current collector contact area while preserving compact battery structure and connectivity.

A halide-oxide solid electrolyte in the negative electrode boosts ionic conduction while maintaining charge-discharge stability in batteries.

A layered module layout with insulation and a gas outlet slows heat and hot-gas spread, reducing thermal runaway propagation in battery packs.

Sensors detect contaminated or non-dielectric coolant and reroute flow to isolate EV battery cells before shorts or fire risk escalate.

Protruding cell extension portions create air gaps for natural convection cooling while increasing electrolyte volume and battery lifespan.

Combined M1 and M2 doping expands TM interlayer spacing in layered cathodes, stabilizing the crystal structure and lowering Li-ion battery resistance.

A parameter-based heat absorption sheet on cell housings absorbs runaway heat, blocks spread to adjacent cells, and preserves pack space.

Embedding the fluid line in a plastic battery housing cuts assembly complexity and cost while maintaining durable vehicle battery temperature control.

Electrically insulating cooling channels remove heat from battery cells and tabs, improving temperature uniformity while avoiding short circuits.

A split CCS bracket adds a rigid positioning section to reduce cell-side deviation and improve CCS assembly placement without raising overall material use.

Flow channels bonded to each cell’s largest wall improve battery cooling while preserving structural strength and pack space.

A heat-resistant plate with attenuation and radiation gaps cools and slows battery vent gas, reducing sparks, fire risk, and duct complexity.

Resonant AC current from switched capacitors and an inductor heats secondary batteries efficiently, improving charging and discharging performance.

Bus bars conduct cell heat to a cooling unit below the pack, improving heat dissipation while helping hold cells under shock and vibration.

A thermally conductive reinforcing member links battery cell walls to replace beams, improving heat dissipation, space use, and energy density.

Controlled Li-Ni-Co-Cr ratios and fluorine doping stabilize LMR cathodes against voltage decay while improving cycle and power performance.

Overlapped current collector tabs and a tapered insulating plate reduce tab storage space and positional deviation inside the cell case.

A dual-particle LFP cathode blend raises compaction density while preserving electrochemical and charge-discharge cycle performance.

A conductive composite phase and protective matrix improve olivine cathode conductivity, suppress manganese dissolution, and extend Li-ion battery life.

Fluid-cooled modular battery housings remove heat through separate passageways, enabling faster charging and lower-cost module replacement.

Ambient-aware stop temperature control ends battery cooling earlier when natural convection is effective, cutting power use and cooling wear.

A guided venting path uses the cooling plate and housing walls to cool thermal runaway gases before they exit the battery pack.

A through-cell heat exchange pipe improves battery temperature control by removing excess heat and rapidly warming cells in cold conditions.

Machine-learned Moment Tensor Potential enables faster, more accurate room-temperature lithium ion conductivity prediction for solid electrolytes.

A metal film anode and sodium borate electrolyte lower sodium nucleation overpotential to suppress dendrites and improve cycle life.

A thermally conductive member links the cell wall to a heat exchange medium, improving battery cooling, rigidity, and terminal-safe layout.

Stand-offs form coolant channels that directly cool the cell stack with non-conductive fluid, improving heat transfer without short risk.

Bottom-oriented battery terminals improve collision stress distribution and rigidity, helping raise energy density while reducing damage risk.

A two-particle silicon anode mix balances filling density, voids, and specific surface area to ease internal stress and limit capacity loss.

Side-frame extension parts share battery module loads with a smaller base plate, cutting sagging, weight, and added reinforcement parts.

A dual-shell LMFP cathode uses a manganese-free polyanion layer and hydrophobic conductive coating to boost conductivity and curb Mn dissolution.

A graphene-core conductive additive with an alumina nanoparticle coating lowers dry-electrode resistance while preserving porosity and strength.

An on-module adjustment mechanism changes cell restraint load to handle temperature shifts and customer requirements without overcompressing cells.

An elliptical battery housing, cold plate, bushings, ceramic felt, and foam work together to contain thermal runaway pressure and fire.

A composite binder makes the electrode film web self-standing, improving cuttability and handling while simplifying battery electrode manufacturing.

A thermally conductive member replaces internal beams to cool battery cells, improving space use, energy density, and thermal safety.

Pre-filled sealing grooves extrude sealant during conductive plate fitting, cutting battery stack plate sealing time and assembly effort.

A refractory-particle insertion member blocks flame spread while melting binder opens vent paths for thermal runaway gases in battery assemblies.

Alternating energy transfer between battery modules uses internal resistance for direct heating, reducing external heat loss in cold EV operation.

Controls surface energy, lithium, and phosphorus or boron content to improve wetting, coating coverage, and film uniformity on positive electrode materials.

Partitioned battery modules route high-temperature cell gas through internal vents and side-frame discharge paths to limit thermal runaway spread.

A dual-size LFP particle mix raises cathode compaction density while preserving electrochemical and cycle performance in lithium-ion batteries.

A contoured rail and spaced securing assemblies let micro-mobility fleets swap battery packs quickly while keeping them securely mounted.

Porous absorbent media holds limited cooling fluid for evaporation-condensation cooling, cutting pouch battery weight while maintaining temperature.