Secondary Cells TRIZ Cases

Controlled large and small cathode particle distributions improve conductive paths in bipolar electrodes, lowering resistance while preserving thermal stability.

Carboxy-modified PVDF binder suppresses gelation and maintains cathode adhesion at low loading, supporting high-capacity lithium-ion batteries.

Thermally conductive and foaming adhesives secure pouch cells in a CTP pack, improving impact protection, assembly, and heat control.

Center and end cell sensors capture battery pack maximum and minimum temperatures with only two sensors, lowering cost and layout complexity.

Blending lithium iron manganese phosphate with layered-oxide cathodes raises energy density while improving stability and reducing cobalt and nickel use.

Couette-Taylor co-precipitation mixes lithium with Ni-Co-Mn precursors at atomic level, avoiding uneven solid grinding and improving cathode stability.

Porous carbon loaded with sulfur and lithium halide forms ion paths that cut battery internal resistance and improve fast charge-discharge use.

A carbon paste internal electrolyte doped with MgCl2 improves Mg2+ over Ca2+ selectivity, enabling simpler calibration and more accurate assays.

An integrated cooling plate and beam structure supports stacked prismatic cells, cutting part count while improving cooling and rigidity.

An inner-outer tank layout circulates coolant at lower pressure to prevent leakage, avoid pipeline rupture, and maintain battery heat dissipation.

A lithium-nickel cathode with dominant crystal-face structure limits gas-driven expansion and improves cycle durability in lithium-ion batteries.

A recessed cooling plate and thermally conductive adhesive fix pouch cells without cartridges, improving heat transfer while cutting module weight and complexity.

A multidirectional cell layout and exposed sensing plate improve pack fit in tight spaces while simplifying voltage sensing and reducing connector complexity.

A two-polymer binder in a non-polar solvent helps sulfide composite electrolytes keep high ionic conductivity while forming thin, durable films.

Elongated unit cases preserve battery pack rigidity without extra reinforcements, while vent holes and a housing passage discharge cell gases.

Insertion pieces built into a split battery holder improve heat insulation between adjacent cells while removing separate insulation plates.

Aggregated carbon and silicon secondary particles open more ion channels and lower interface impedance, improving battery energy density and rate.

Localized protection sheets thermally coupled to a carrier plate diffuse heat and block abrasive particles while keeping battery packs compact.

Atmospheric plasma removes Li2CO3 from solid-state electrolyte surfaces without thin-film damage, lowering interfacial resistance and improving conductivity.

A partition head protruding from the exhaust valve position suppresses heat transfer between adjacent batteries without increasing pack size.

Spaced lateral and bottom disruption elements in a trapezoidal battery cooling channel boost heat transfer while limiting pressure drop.

A fluid channel built into the battery top cover adds cell heating and cooling while the stepped heat-exchange structure improves impact protection.

Upper and lower cooling channels even out cell temperature while frame heat transfer members restrain swelling and support assembly.

A low-level sugar alcohol in the positive electrode absorbs heat during abnormal conditions while preserving non-aqueous battery capacity.

Different-shaped cross-beams and a reinforcing center beam raise battery pack strength while preserving higher energy density.

A thermally coupled carrier plate and partial protection sheet spread vented heat and resist abrasive particles without adding full-cover weight.

A non-closed side wall removes draft-angle interference, freeing more battery cell space while preserving enclosure strength.

Combining anomaly frequency, dynamics, and communication-line differential signals improves battery thermal runaway detection without extra sensors.

By tuning polyolefin molecular weight segments and extrusion conditions, this separator improves thickness resilience and limits compression deformation.

A dual-fixing vent pipeline stays aligned with the pressure relief outlet, enabling timely cooling of battery emissions during thermal runaway.

An insulating spacer between adjacent electrode core sets restrains movement and protects series connections from twisting under vibration.

Separate cathode sheets with matched capacity, coating density, and resistance reduce agglomeration, impedance, and lithium deposition.

Deformable sidewalls and partition walls relieve thermal runaway pressure in sealed energy storage containers while targeted upper cooling cuts fluid use.

An elastic interlayer with expandable resin activates above 80°C to curb heat conduction between neighboring battery cells during overheating.

Offset cooling plate and electrode sheet boundaries to spread stress, avoid step-induced damage, and improve battery unit reliability.

Cell-aligned housing vents open under fault conditions to expel thermal runaway gas and reduce damage to nearby battery cells.

Aerogel-filled resin forms a battery module barrier that blocks cell-to-cell heat transfer during thermal runaway while retaining mechanical strength.

Continuous filtration and concentration in the reactor raise cathode precursor productivity while keeping particle size and shape uniform.

Water-blocking additives replace aluminum foil in lithium-ion battery packaging to avoid HF reaction, cut short-circuit risk, and simplify lamination.

A mica blocking member over the cell vent relieves pressure while limiting heat and flame spread between battery cells.

A porous carbon nanotube-polymer powder cuts solvent use and transport volume while redispering well for Li-Ion electrode manufacturing.

A pack cover with side and center venting channels redirects high-temperature gas outward to protect adjacent battery modules.

Sized boron-containing particles in a battery positive electrode curb temperature rise without unduly raising resistance or harming cycle characteristics.

Welded and glued cell modules free battery pack space by removing internal bars, boosting energy density while maintaining shock stability.

A snap-fit terminal simplifies sampling circuit-to-busbar assembly and lets faulty battery sampling modules be replaced without scrapping the module.

Auxiliary channels feeding the main cooling path improve battery cell temperature consistency while preserving compact lower-case integration.

A bonded metal outer layer delaminates above 500°C to form insulating air gaps that help battery housings resist thermal runaway propagation.

Symmetric side plates, protruding terminals, and busbar holders improve battery pack space utilization and energy density without losing cell connectivity.