Secondary Cells TRIZ Cases

Elastic side and bottom sections let a battery module carrier absorb cell swelling and external forces without adding rigid pack weight.

Prismatic side-terminal cells are stacked in layers with end plates and straps to raise pack energy density while keeping the module robust and compact.

Staggered groove positions let sealing members fit battery cell holders more tightly, improving sealing while preserving module energy density.

A large venting side ejects molten material away from adjacent cells, limiting heat transfer and stopping thermal propagation in battery modules.

An insulator and seal around the top cover through hole extend creepage distance and reduce high-voltage breakdown risk in secondary batteries.

Carbon nanotubes in a polymer or amorphous carbon coating cut silicon-anode impedance and stabilize SEI for better first efficiency and cycle life.

Controlled lithium-nickel oxide particle orientation and aggregation reduce grain strain, gas generation, and battery expansion during cycling.

A metal oxide coating on lithium iron oxide improves slurry dispersibility, suppresses gelation, and boosts lithium battery efficiency and cycle life.

Injection channels in the battery module frame fill cooling gaps with thermally conductive slurry, cutting thermal resistance and easing assembly.

Removable exterior battery packs enable silent and ultrasilent military vehicle operation while lowering noise and thermal signature.

A dual-function separator blocks heat transfer between stacked batteries while holding cell position to prevent overheating and unstable connections.

Equal liquid passage lengths keep flow rates consistent across heating units, reducing temperature differences and extending service life.

Overlapping cooling tubes with integrated connections improve coolant flow and cell heat removal while reducing space loss in high-power battery packs.

Using carbon black, carbon nanotubes, and dual-SP dispersants, this cathode mix improves conductive dispersion for lower resistance and better cycling.

Granular organic coating layers resist separator heat shrinkage while preserving ion channels and electrolyte infiltration for safer battery cycling.

Thermal conduits and Peltier coolers regulate battery module temperature, limiting thermal gradients and reducing thermal runaway risk.

A hydraulic turbine charger uses shower or sink water flow to recharge detachable batteries for powered toothbrush and razor handles.

Low-viscosity epoxy resins and amine curing maintain fast dispensing while improving toughness and thermal conduction in interface materials.

A dual-salt sodium electrolyte regulates Na-ion solvation to curb solvent decomposition, gas generation, and swelling at high temperature.

Vacuum-formed plastic isolation plates replace injection molding in CCS components, shortening mold cycles and lowering battery assembly cost.

Separate air passages for each battery cell unit block heat spread and help contain thermal runaway across the battery pack.

Separating cell venting from electrode terminals and routing smoke through damped exhaust paths reduces electrical hazards and fire spread.

Controlled cracks in the positive active material enable self-lithiation, improving Li-ion cycle life and capacity retention without pre-lithiation.

A silicone composite with ceramization and reinforcing fillers limits heat transfer while maintaining low compression set in battery vent protection.

A carbon-fiber cross-beam with metal cooling inserts cuts battery-pack weight, avoids added insulation, and improves heat dissipation.

A framed spacer with positioning elements compensates prismatic cell swelling, spreads stack stress, improves cooling, and extends battery life.

A split container layout separates cooling and power distribution from battery clusters to raise packing density, isolation, and thermal control.

A co-solvated ether and fluoroether electrolyte stabilizes sodium ions to cut gas generation and improve high-voltage cycling and storage.

Separate air passages for each battery cell unit contain thermal runaway and improve battery pack thermal management reliability.

HASE and poly(meth)acrylic acid replace CMC to keep high-energy electrode slurries stable while preventing adhesion loss and delamination.

A mixed NCM and lithium phosphate cathode balances output, chemical stability, lifespan, and cobalt cost in lithium secondary batteries.

An integrated lithium replenishment layer keeps resistivity low after delithiation, improving electron transport, energy density, and rate performance.

Smaller end cells and thermal walls limit heat propagation and energy release in battery modules during thermal runaway.

A dual-particle LMFP cathode pairs small high-Mn and large low-Mn particles to improve high-rate output without sacrificing compaction density.

Dynamic gain calibration by SOC and temperature improves traction battery power and charge estimation at low and high SOC.

Controlled airflow from the vehicle air conditioner cools the charging cavity, preventing wireless charging heat from disrupting mobile device operation.

Window-state-aware fan thresholds improve vehicle battery cooling while limiting cabin noise discomfort when windows are closed.

A rotating valve routes cooling water into the pack during thermal events, suppressing fire spread without a separate extinguishing system.

Thermally conductive adhesive and side plates help soft-pack CTP cells assemble easily while improving impact support, cooling, and stability.

Separate cell stacks within a longitudinal-crossbeam frame enable scalable replacement, efficient cooling, and robust battery module packaging.

Segmented end plates and cooling ports reinforce large battery modules while improving heat dissipation under vibration and high temperatures.

Lithium stearate turns elastomer binders into free-flowing powder, improving cathode adhesion, faster dissolution, and capacity retention.

Intumescent insulation in a battery module vent channel expands under abnormal heat to block flame escape without hindering normal cooling airflow.

A passive MOSFET-resistor charging circuit blocks harmful leakage current when exposed battery terminals are touched, without control units.

Wire-bonded battery pack interconnectors replace spot welding to improve connection quality, limit overcurrent, and reduce thermal risk.

An inorganic particle layer on a porous separator preserves breakdown voltage, low heat shrinkage, and battery output even at reduced thickness.

A bimodal single-crystal cathode particle mix cuts irreversible lithium loss and gas generation while preserving energy density with silicon anodes.