Secondary Cells TRIZ Cases

Controlling Ni oxidation state in an LMR cathode composition reduces voltage decay while improving rate capability and volumetric energy density.

Al and Sr in a high-Ni lithium composite oxide stabilize the layered structure and lower reaction resistance in non-aqueous secondary batteries.

Thermally conductive carbon and monocrystalline layers enable ultrafast sintering while preserving flatness, uniform heating, and microstructure.

A heptamethyldisilazane and cyanosilane electrolyte additive pair builds stable SEI/CEI films to cut impedance and improve cycling across temperatures.

Screw-coupled separation walls replace welds to free cell seating space, improve support, and reduce deformation risk in battery packs.

Spaced reinforcing ribs and insulation protrusions strengthen the battery pack tray, absorb external loads, and improve thermal protection.

Insulating coolant flows through spacers between battery cells to boost direct cooling while preserving electrical insulation and module density.

A shared flow channel cools cells and distribution box elements together, reducing extra pipe joints, cooling cost, and uneven temperatures.

Male-female module case joints with adhesive replace bolts and nuts to maintain coupling force while cutting cost and assembly time.

A stepped side panel and outer connecting plate create double sealing that blocks water ingress and protects sealing foam from erosion.

A side frame with potting-filled heat barriers and venting space contains thermal runaway and guides gas away from adjacent cells.

An integrated housing-bottom heat sink and patterned resin layer improve battery module heat dissipation while reducing height and cost.

An exhaust path member and mica plate vent battery gas through staged discharge holes while blocking flame leakage from the module.

Contour-extruded multi-wall thermoplastic enclosures cut battery pack cycle time and weight while adding heat, debris, and cooling features.

A ribbed sensor mount and elastic contact structure replace adhesive tape to speed battery pack assembly and stabilize cell temperature readings.

Recessed insulating plates guide adhesive flow to secure EV battery cells, save module space, and isolate cells from cooling plates.

A cyclic sulfate additive with dimethyl carbonate stabilizes the cathode CEI film while keeping low viscosity and conductivity for high-voltage cycling.

Flexible aerogel-fiber blankets insulate EV battery spacers while resisting cell expansion wear and reducing flammability.

Ni content is tuned by secondary particle size to prevent uneven cathode degradation and improve Li-ion battery cycle life.

A layered barrier with asymmetric cover portions blocks heat, flame, and convection paths between adjacent battery cells during thermal runaway.

A high-molecular-weight core and low-molecular-weight surface layers help thin Li-ion separators resist shrinkage while retaining strength.

Functional-group binders strengthen silicon anode adhesion and cohesion, limiting swelling damage, powder shedding, and cycle-life loss.

A ventilated gap between bus bars and the battery block uses chimney-effect airflow to limit Joule-heating transfer to cells.

An elastic exterior member and conductive resin layers secure the cell stack, absorb swelling, and improve battery module cooling.

A coated NCM cathode and Si-N/Si-O electrolyte additive form a low-impedance film that suppresses HF and preserves high-voltage cycle life.

A PPS resin and toughening-agent composition improves harmonica tube extrusion flow while reducing breakage, cracking, and creep in battery cooling plates.

Electrolyte cations and oxalate complex anions form a protective surface film that stabilizes high-nickel cathodes and preserves capacity retention.

Rigid rim frames hold an endothermic pouch between battery cells while weak portions and venting holes release gas to limit thermal runaway.

Cooling channels and air gaps between stacked battery cells dissipate heat and absorb swelling to lower overheating and ignition risk.

A heat-resistant partition wall helps contain cell-to-cell thermal propagation while adding rigidity in high-density battery packs.

Dedicated module venting channels and a rupturable membrane route gas and sparks out of the pack, limiting heat transfer to adjacent modules.

An annular projection in the battery seal stabilizes surface pressure and strain to prevent electrolyte leakage and extend sealing durability.

Alternating flow channels and serpentine pipes improve cylindrical cell temperature uniformity while reducing leakage risk and assembly complexity.

Water-soluble maleic acid binders help silicon anodes keep adhesion and electrical contact during expansion while avoiding toxic solvent processing.

Merged inlet and outlet piping across dual cooling plates improves battery pack cooling uniformity, assembly efficiency, and space use.

Ti at Fe sites and Zr at Li sites boost LiFePO4 conductivity and compaction density for higher-energy, higher-power lithium-ion cathodes.

Inward-depressed frame sides absorb battery cell swelling without thick compression pads, helping keep the module compact and stable.

Aligned coolant conduits cool battery cell terminals directly, cutting pipe weight and space while improving temperature regulation.

A melt-open sealing member releases coolant from an overhead water tank to rapidly cool ignited cells and limit flame spread.

Integrated cap plate and dual insulators improve side-terminal isolation and cut secondary battery assembly steps through reinforced coupling.

Open-pore secondary particles in olivine phosphate cathode powder speed electrolyte impregnation while preserving conductivity pathways.

A boron-containing additive with vinylene carbonate suppresses PF5 and HF, limiting gas generation and electrode corrosion in Li-Ion batteries.

A lithiation-gradient binder layer balances adhesion and lithium transport in silicon anodes to prevent detachment and raise initial coulombic efficiency.

Open-pore secondary cathode particles improve electrolyte permeation and ion conduction, boosting low-temperature battery output.

A perpendicular multi-channel cooling plate heats or cools battery module bottom and side surfaces for more uniform temperatures and lower thermal risk.

An epoxy-thiol gap filler uses 40%+ inorganic filler to raise thermal conductivity while preserving adhesion, toughness, and hydrolytic stability.

Closed-section transverse channels and narrow apertures keep coolant flow uniform across battery cells while resisting support deformation and leaks.

Dual-conductivity cooling surfaces and a refrigerant channel cool packed battery cells while limiting heat transfer to neighboring cells.

Insulating liquid directly cools battery cells while a flow path spacer protects sensing lines and sensors for compact, accurate thermal management.

Staged parallel coolant paths balance flow rate and velocity across battery modules to improve temperature uniformity and cut cooling energy use.

Limiting members set a uniform adhesive gap between battery modules and the cooling plate, improving heat transfer consistency and temperature uniformity.

High-ionic-potential cations strengthen oxygen bonding in a sodium cathode, limiting structural change and side reactions during deintercalation.

A single-step route forms single-crystal nickel-rich LiNixMnyO2 cathodes without cobalt, improving thermal stability and crack resistance.

Elastic support portions and integrated side plates hold pouch-cell stacks securely, suppress swelling, and free space for more cells.

Stamped shells and a blocker split the collector cavity for automated production, precise assembly, stable cooling flow, and leak prevention.

Controlled XRD peak ratios in a P2-type Na-containing oxide increase intercalation sites, improving reversible capacity and stability.

A compact heat management layout merges coolant and refrigerant paths to cut thickness, simplify maintenance, and improve energy storage stability.

An alkylthio triazine dithiol additive coats metal surfaces and complexes metal ions to limit dissolution, deposition, and battery voltage loss.

A single battery and bidirectional chopper use SOC control to absorb regenerative power and suppress DC bus voltage rise.