Secondary Cells TRIZ Cases

Contoured mount rails and nested securing assemblies speed battery replacement while improving vandalism resistance on micro-mobility vehicles.

Direct fasteners secure the cover plate through the housing, cutting bracket count to raise energy density and avoid contact with battery cells.

A welded connector barrel routes battery-module circuitry through the housing while cutting part count, assembly complexity, and seal leakage risk.

Different heat exchange areas for outer and intermediate battery units reduce temperature differences while preserving pack space adaptability.

A Ca-P surface-modifying layer on Ni-rich cathode particles suppresses electrolyte side reactions and lowers reaction resistance for higher battery output.

Cu doping and controlled particle aspect ratio help O3 sodium cathodes survive washing, limit sodium loss, and improve cycle life.

Discrete refrigerant flow control matches available cooling power to prevent local evaporation, overheating, and uneven traction battery temperatures.

An insulated heating body between battery subcells speeds low-temperature warm-up while limiting heat transfer and thermal runaway risk.

Photopolymerizable silicon oxide ionogels solidify quickly without acid or base catalysts, preserving ionic conductivity and electrode compatibility.

Mixing P2- and O3-type layered oxides and controlling surface Na migration improves sodium battery capacity, cycle stability, and gas suppression.

A guided degassing channel and cooling path redirect hot vent gas and conductive particles to limit short circuits and thermal propagation.

Sequential reduction and oxidation add oxygen groups to conductive material surfaces, boosting Li battery capacity, rate performance, and safety.

An adhesive layer under folded cell sealing parts removes air gaps, helping thermal resin contact battery cells for better module cooling.

A coated lithium-manganese rich cathode uses a matrix-plus-surface layer to limit structural transformation, reducing voltage decay and improving cycle stability.

Controlled oxidation turns moisture-sensitive sulfide electrolytes into stable, conductive battery materials using moderate, scalable synthesis.

A shaped conductive insert bridges the battery can rim and lid to avoid internal welding while maintaining electrical continuity and assembly reliability.

A tuned L2/L1 perimeter ratio strengthens welded battery cell connections and improves stability under vibration.

Computational screening selects disordered rock-salt cathode compositions that improve ion diffusion, limit volume change, and shorten battery development time.

Inorganic nanomaterials blended with polyolefin help Li-Ion battery separators resist heat shrinkage while preserving porosity and electrolyte retention.

Welded and non-welded can sections compress an all-solid cell stack to minimize interfacial resistance and improve battery stability.

Thermally conductive side plates, end plates, and brackets turn prismatic cell blocks into a shared heat path that suppresses temperature rise.

Vent-facing insulation and an integrated fire extinguishing member slow cell-to-cell heating and block flame spread between battery cells.

A guided flow-path cooling plate spreads heat removal across battery sub-modules while limiting refrigerant pressure drop and thermal risk.

Outer-side recessed or protruding reinforcements stiffen the battery case, limit swelling, maintain adhesion, and reduce short-circuit risk.

Closed-loop suppressant recirculation uses slotted vertical pipes and floor drains to stop thermal runaway spread without constant external water.

Louvered ducting guides vent flames in one direction and blocks debris from adjacent battery cells to limit thermal runaway damage.

A layered frame with heat dispersion and insulating sections dissipates battery module heat while blocking propagation to adjacent modules.

Bottom-and-side cell support with a cooling unit and filling portion improves fixation strength and heat dissipation in battery packs.

A louvered ventilation unit redirects flames and blocks debris between battery cells, limiting thermal runaway spread before direct spray activates.

Controlled cathode particle size, porosity, and additive uniformity expand electrolyte contact and cut internal resistance in Li-ion batteries.

Dual film-forming additives protect the positive electrode at high voltage, reducing electrolyte oxidation, gas generation, and interface resistance.

Embedding a unitary heat sink into battery housing walls improves passive heat dissipation, lowers thermal resistance, and simplifies module cooling.

A zinc blende interface layer with zwitterionic surfactant stabilizes aqueous zinc cathodes by limiting dendrites, corrosion, and hydrogen evolution.

Voltage sensing and switch isolation protect NTC temperature sensors from self-heating, preventing thermal imbalance in lithium-ion packs.

Rotating ultrasonic wedge bonding enlarges ribbon-wire bond area and adherence, cutting resistance in battery module interconnects.

Alternating motor-current and freewheel diode modes turns inverter waste heat into battery preheating when low-loss SiC devices provide too little heat.

A hydrated salt composite with porous conductive carrier and reinforcement absorbs runaway heat and helps inhibit thermal spread in battery modules.

A dual-active-material cathode with controlled bright-region area smooths the voltage platform and limits DC resistance rise in Li-ion batteries.

Mg-doped Ni-rich cathode synthesis uses sodium-to-lithium ion exchange to avoid particle cracks and improve cycling stability.

A coolant flow path placed between battery cells removes heat while using inter-cell space to limit swelling and pack complexity.

Graphene-aluminum composite cooling plates improve battery pack heat removal while maintaining strength and material stability at elevated temperatures.

A temperature-responsive joining member changes thermal resistance between the battery cell and heat sink to speed heating without sacrificing cooling.

Flexible outer walls, an intermediate plate, and resilient supports balance heat dissipation, thermal insulation, and cell swelling absorption.

A nitrile-sultone electrolyte additive stabilizes the cathode interface, limits impedance growth, and improves Li-ion cycling and fast charging.

A pocketed pack bottom and membrane vent path collect runaway debris and release gas to cut pressure, weight, and pack volume.

Elastic partition walls between unit stacks absorb battery cell swelling, ease stack insertion, and reduce force on the module housing.

Separate cell-holder and end-channel fluid circuits circulate dielectric and non-dielectric fluids to improve battery temperature uniformity.

A dual-Tg binder in an inorganic-coated polyolefin separator cuts 150°C shrinkage to 2% or less while maintaining peeling strength.

Fluorinated vinyl ether heat transfer fluids deliver efficient dielectric cooling with low GWP and non-flammability for electronics and semiconductor thermal management.

Different pad pressures between cells and the module wall help control swelling and keep battery cell lifespan, voltage, and capacity uniform.

A sandwiched thermal barrier aligns pouch cells during pack assembly while containing heat and vent byproducts with less interface material.

Separate thermal contact surfaces on battery cell terminals cut thermal resistance to coolant channels, improving heating and cooling efficiency.

Controlled polyethylene crystal structure helps separators resist pressing, limit voltage loss, and prevent short-circuit defects in Li-ion cells.

Block copolymer softeners let high-compaction electrode plates resist cracking during winding while preserving cohesion, conductivity, and energy density.

A bent intake duct with a porous vibration absorber cuts blower and airflow noise while filtering foreign matter in compact battery packs.

Varying inner and outer cell thickness with elastic compression reduces heat buildup and cell imbalance during high-rate discharge.

Early gas extraction and cooling fluid injection suppress battery thermal runaway before fire, limiting pressure rise and chain reactions.

A nonwoven OPAN layer isolates the busbar from a conductive housing and retains electrical insulation after high-temperature exposure.

Overlapped electrode tabs replace separate leads to cut welding resistance and create a high-temperature disconnection path for safer pouch cells.

Blending single and secondary high-nickel positive active particles suppresses cracking and side reactions, extending lithium battery cycle life.

A switchable cold-plate vent blocks heat transfer in normal use, then opens during cell failure to exhaust gases and limit thermal runaway spread.

Intermediate cooling elements restore battery pack cooling area lost to venting openings, while preserving hot gas discharge and compact cell assembly design.

A partitioned battery module housing forms cooling paths while reinforcing the cell stack, improving heat dissipation and mechanical stability.

Porous hard carbon with expanded interlayer spacing and oxide templating improves sodium-ion deintercalation, capacity, and cycling stability.

By using the cathode casing as the interconnect, this case frees pack volume, improves cell-to-cell conduction, and spreads heat more effectively.

A Ni-rich core with a Co-rich shell improves air and thermal stability in lithium-ion cathodes while preserving high capacity.

A two-part heat dissipating material spreads cell heat beyond adjacent battery units to reduce temperature variation and thermal runaway risk.

Amphiphilic complexing agents form larger soluble redox complexes that cut membrane crossover and improve flow battery cycling stability.

A movable electrode switches ion transfer on during use and off in storage to cut stray current, reduce short-circuit risk, and extend cycle life.

Spaced heat dispersion parts and an outer insulating layer dissipate battery heat while blocking propagation between adjacent modules.

M-ion doping lowers divalent nickel and lithium-nickel mixing in layered cathodes, improving cycle retention, thermal stability, and safety.

Oriented conductive fillers spread heat along battery cell surfaces, reducing central-cell hot spots and stress that shorten battery life.

A partitioned cell housing creates a sealed cooling-liquid channel beside the electrode assembly to cut thermal resistance and preserve energy density.

A dielectric oil-polymer coolant cuts electrical conductivity and flammability while removing heat from EV battery packs and power systems.

Polymeric single-crystal cathode particles cut charge-transfer and lithium diffusion resistance to improve battery capacity and C-rate performance.

Al and B surface-enriched single-crystal Ni-rich cathodes raise initial discharge capacity while limiting irreversible capacity loss.

A tubular housing, end plate, and sealing element simplify small battery assembly while preventing burrs, cracks, and seal leakage.

A density gradient precursor forms an oriented cathode structure during firing, lowering lithium migration resistance and extending battery life.

A liquid crystalline polymer insulation layer helps battery busbars handle heat and mechanical stress while preserving electrical insulation.

A fluorinated cyclic carbonate and ether-linked multi-nitrile electrolyte stabilizes the cathode interface, suppresses swelling, and improves floating-charge retention.

A mixed cathode combining lithium- and sodium-ion intercalation extends battery voltage range while preserving cell stability and life.

Aligned guide apertures and a heat-absorbing barrier channel cell vent emissions through the cover to limit fire propagation in lithium-ion packs.

A stacked cell pack with rectangular-prism packing and thin intermediate layers reduces unused volume to raise battery pack energy density.

A two-zone fixation joins frame members while mechanically deforming the membrane to prevent leakage and short-circuiting in cell stacks.

Predictive battery health and charge data across airports guide reallocation and maintenance to extend service life and cut fleet costs.

Interlocking toothed housing joints and support elements help a vehicle energy store resist shear, tensile, and thermomechanical loads.

Flame-retardant gel pads wrap cylindrical cells to contain thermal runaway, improve heat uniformity, and limit fire spread in dense modules.

A shared refrigerant channel cools both cells and the distribution box, avoiding extra cooling joints, lowering cost, and reducing thermal imbalance.

A movable linking member and compressed joint rings simplify tube assembly while improving sealing and retention in battery thermal manifolds.

A shared cooling plate with connector apertures side-cools multiple battery modules, improving thermal control and space use in vehicle packs.

Metal sulfide additives stabilize SEI and CEI layers in silicon-based Li-ion cells, improving cycle life and limiting electrolyte decomposition.

A sealed pivot-door housing and universal charging circuit let one portable station charge multiple power tool battery voltages on site.

A ring-shaped sensor around cylindrical cells enables precise internal temperature monitoring without enlarging the battery unit.

Insulating liquid flows through a spacer between adjacent cells to cool cells and connection parts directly without increasing module volume.

Insulating coolant flows directly through the battery module to cool cells and terminals while a sealed terminal structure prevents leakage.

Varying inlet and outlet trough cross-sections balances coolant speed across parallel tubes for more uniform battery or fuel cell cooling.

A thermally conductive adhesive bonds pouch cells to a recessed cooling plate, improving stiffness, heat dissipation, and assembly simplicity.

An explosion-proof groove around the electrode terminal relieves pressure and pulls the tab apart to stop continued heat generation.

A downwardly inclined opening keeps condensed water out of the battery temperature sampling assembly, improving reliability and service life.

A high-gloss heat fusion layer over an inorganic particle coating improves separator heat resistance and electrode adhesion, reducing shrinkage and lifting.