Non-Aqueous Electrolyte Accumulators TRIZ Cases

Embossed or wrinkled swelling tape controls air traps in a jelly-roll electrode assembly, improving case contact without increasing outer diameter.

Covalently bound phosphorus flame retardants in cellulose separators improve thermal stability and lower thermal runaway risk without raising electrolyte viscosity.

Center-pressing spacers balance cell expansion in rectangular battery packs to reduce electrolyte leakage and preserve high-rate performance.

Copper-templated nanowires are hydrothermally formed, then leached at room temperature to stabilize pure ζ-V2O5 for Mg-ion cathodes.

A protrusion-guided pressing ring increases terminal-post torsional strength, prevents lower plastic cutting, and simplifies stamping.

Separated top cap assemblies and a movable insulator vent gas and relieve stress in cylindrical batteries to limit deformation and thermal runaway.

Flame retardants bonded into cellulose battery separators improve thermal stability and lower thermal runaway risk without harming electrolyte performance.

Threshold-based battery control limits grid charge and discharge participation when electrolyte salt unevenness signals high-rate deterioration.

A rock-salt composite sulfide cathode lowers magnesium-ion diffusion barriers, enabling reversible cycling and higher capacity in magnesium batteries.

Opposed uncoated regions linked by a connecting piece stabilize jelly-roll electrode expansion and preserve battery energy density.

Copper leaching from β-CuxV2O5 stabilizes ζ-V2O5 nanowires, improving Mg2+ diffusion kinetics and lowering cathode production cost.

A silane electrolyte with multiple trialkoxysilyl groups forms a more durable negative-electrode film, preserving capacity and limiting resistance rise.

Tuning ionic potential and primary particle size cuts sodium loss in humid air while preserving electrochemical stability in sodium-ion cathodes.

A sulfonic cyclotriphosphazene additive cuts electrolyte flammability and forms a protective cathode coating for stable high-voltage cycling.

A chain carboxylate electrolyte with controlled content and residual space boosts fast charging while limiting gas buildup and pressure rise.

Phosphite or borate additives stabilize ether electrolytes by forming protective interphases that curb oxidation, dendrites, and cycling loss.

A fluoride-conducting shell isolates reactive metal particles, accommodates volume change, and supports room-temperature cycling stability.

Reinforcing ribs and rotating connection portions guide precise bending, prevent skewed assembly, and improve battery cell connection safety.

Low-porosity cathode and graphite particles limit cracking during pressing and cycling, helping batteries retain input power.

A modified aluminum layer on an organic support cracks under impact, cutting conductivity fast to limit battery short-circuit heating.

A dual-functional polymer dispersant prevents cathode slurry agglomeration across graphitization levels, enabling higher solids and lower film resistance.

A tailored polymer dispersant prevents cathode slurry agglomeration across different graphitization degrees, raising solid content and lowering film resistance.

A rupturing current shut-off cell disconnects adjacent battery cells during overcharge, improving module safety without added fuses.

Controls viscosity rise in aqueous secondary-battery binder solutions, preserving coatability and consistent adhesive strength after storage.

Using zirconium fluoride in the negative electrode raises fluoride-ion conductivity, enabling higher active material loading and better coulombic efficiency.

A polar-nonpolar polymer dispersant keeps cathode slurry particles separated across graphitization levels, reducing gelation and improving cycling.

Sequential top and body tape attachment improves active-layer adhesion, thickness balance, and electrode assembly insertability in secondary batteries.

Sequential top, bottom, and body tape placement balances electrode assembly thickness to improve pouch insertability and heat exposure behavior.

Controls conductive additive surface area, liquid absorption, and surface energy to keep battery electrode slurry stable at high solids.

Mixed ferric hydroxyphosphate precursors help produce lithium iron phosphate with lower cost, higher efficiency, and improved electrochemical performance.

A two-layer positive electrode with tuned particle size distributions improves electrolyte permeation without sacrificing packing density.

An electrospun high-Tg polymer coating helps microporous Li-Ion separators keep electrodes apart up to 250°C with simpler processing.

Chain carboxylate electrolyte, residual space, and film-forming additives improve fast charging while limiting gas pressure and life loss.

An isolation baffle and dual exhaust assemblies create forced airflow to expel hot pressurized gas from a battery housing and reduce explosion risk.

Binder-linked high-nickel cathode particles suppress cation disorder, improving structural stability, initial capacity, and capacity retention.

A dual-active-material negative electrode preserves normal driving power while reserving emergency capacity without sacrificing cycle life.

Embedded fibrous coating in a porous battery separator improves thermal stability, reduces internal short circuits, and supports energy density.

A Cu and Cu2O particle blend in a tuned mass ratio helps fluoride ion battery cathodes keep high initial discharge capacity with better cycle retention.

A multi-metal composite fluoride controls fluorination reactions to raise fluoride-ion battery capacity while preserving crystal stability.

A neutral-pH eutectic electrolyte suppresses hydrogen and oxygen evolution in zinc redox storage, improving cycle stability and shelf life.

Layered MXene confines sulfur between sheets to suppress polysulfide shuttling and enable stable sulfur cathodes in carbonate electrolytes.

A weakened vent in the fusion-sealed battery case breaks first under internal pressure, releasing gas and preventing structural failure.

By tuning crystal disorder above D>5 and limiting voltage to 4.5 V or less, this cathode balances high capacity with longer cycle life.

A low-coupling vent in a fused metal battery seal breaks under internal pressure, releasing gas before case expansion causes damage.

Ester-solvent electrolyte additives form a stable SEI at metal negative electrodes, reducing side reactions, gas generation, and cycle fade.

Controlled graphitization of isotropic coke tunes interlayer spacing and particle size for faster charging, stable storage, and longer cycle life.

Two negative electrode films with tuned graphite particle uniformity lower impedance and improve fast charging without sacrificing energy density.

An elastic spacer with tuned spring constant restrains battery swelling to preserve capacity and prevent electrolyte discharge during cycling.

A dual-active-material cathode compensates active lithium loss while improving high-temperature cycling and energy density in Li-ion cells.

Free-radical polymer additives boost charge transfer, electrode stability, and cycle life in high-capacity lithium secondary batteries.

Selective lead exposure with insulating adhesive and cover layers enables a low-height battery pack while reducing short-circuit risk.

A dual-thickness insulating layer cushions electrode tab bending during collective foiling, reducing load on metal foil and separators.

A composite positive electrode material combines lithium manganate spinel with lithium nickelate to reduce internal resistance.