Secondary Cells TRIZ Cases

A hollow rivet terminal integrates electrical connection and gas venting, cutting battery cap parts, cost, and assembly complexity.

Removing α-carbon hydrogen from ether solvents suppresses oxidation and radicals, extending lithium metal battery cycle life at high voltage.

Placing a heat pipe between adjacent battery cells routes heat to a cooler, reducing cell-to-cell thermal influence while preserving compact spacing.

Embedded housing walls use a unitary passive heat sink to dissipate battery cell heat, lowering thermal complexity and stabilizing cell temperature.

A roller-guided partition slides out to access lower electrical elements without removing the upper battery pack, cutting maintenance downtime.

A coated high-nickel cathode with controlled fine particle size cuts electrolyte side reactions and gas generation without sacrificing energy density.

A hexagonal housing with three split cell stacks and a cooling passage cuts dead space while preserving rigidity and battery cooling.

Segmented phase-change cooling plates cut cell temperature deviation while keeping high-output battery modules lightweight.

A composite spacer with an insulating core and conductive surface paths spreads hotspots while limiting heat transfer to adjacent cells.

Electron transfer resistance reveals narrow inter-electrode spacing and flags rechargeable batteries prone to micro-short circuits.

Electrochemical thickness control in an interference color layer enables low-voltage full-color switching with memory and no power needed to hold color.

Carbon-coated iron-based polyanionic cathodes use controlled calcination to raise crystallinity, conductivity, and first discharge capacity.

Multi-layer pyrophosphate, phosphate, and carbon coatings curb manganese dissolution and side reactions in LMP cathodes for better high-temperature cycling.

A tungsten-rich cathode surface with a titanium outer region cuts resistance while suppressing tungsten elution for better battery output and cycle life.

Multiple separators and semi-solid electrodes limit electrolyte solvent evaporation during cell assembly, preserving volume and charge capacity.

A spacer protrusion follows the cell gasket to keep positioning and insulation while reducing pack width and spacer material.

Semi-solid electrodes and paired separators reduce electrolyte solvent evaporation during cell forming, preserving electrolyte volume and cell energy density.

A water-based copolymer binder improves cathode adhesion and electrochemical stability while avoiding NMP-related cost and pollution.

An elastic mounting portion and thermal pad press the thermistor to the top cover for faster sensing without crush damage during assembly.

Elastic members absorb battery cell deformation so inter-cell separators keep electrical and thermal insulation distances stable.

A doped or coated nickel-rich cathode paired with a film-forming additive suppresses oxidation, gas generation, and impedance growth at high voltage.

Adhesive bonding joins plastic current collectors to a cooling plate, improving assembly speed and connection stability in battery modules.

Spaced battery modules use aligned relief holes and a shared channel to vent hot gases, contain thermal runaway, and protect adjacent cells.

A dual-outlet vent path uses heat-expanding material to block one outlet and redirect runaway gases for safer battery pack venting.

Precise Al and Sr addition helps high-Ni cathode active material preserve Li-layer integrity and reduce reaction resistance in non-aqueous batteries.

Moisture-reactive precursors dry ceramic-coated battery separators more effectively than thermal drying, reducing water-driven decomposition and thermal risk.

A fluorine resin coating shields silicate-silicon anode particles from water, limiting oxidation and preserving battery cycle life.

A controlled enclosure warms battery packs below 0°C before charging, preventing damage and improving charging reliability.

Direct battery mounting on an integrated upper-lower cooling member shortens heat transfer paths and avoids welding deformation and extra parts.

A grounded layer behind battery detection lines blocks cell radiation, stabilizing line potential for accurate voltage sensing.

A composite separator pairs a heat-insulating body with elastic inserts to maintain cell spacing and thermal isolation during swelling and high heat.

Passive containers release a suppression agent during battery venting to trap byproducts and limit heat transfer to adjacent cells.

A discharge structure beside the cooling channel redirects thermal runaway release, preventing leakage while preserving battery heat exchange area.

A stepped case holds curved flexible substrate branches to improve busbar routing freedom, reduce assembly damage, and cut material waste.

Ribs, air gaps, and a silica aerogel layer limit heat transfer between adjacent battery cells while preserving pack structural integrity.

An actuator-driven end-plate mechanism adjusts cell stack pressure as batteries expand, helping solid-state cells maintain ion conduction.

A side-routed cooler and asymmetric cover spacing isolate leaked liquid and flue gas, reducing short-circuit risk while preserving pack efficiency.

Separate cooling fluid and vent gas paths in an immersion-cooled battery array limit cell-to-cell heat transfer and keep vent byproducts out of the coolant.

A covered heat exchange zone cools densely packed battery cells while limiting condensate near terminals and busbars to reduce short-circuit risk.

Composite copolymer-tackifier particles strengthen electrode adhesion to the current collector, improving cycle characteristics and battery life.

Dedicated cooling plates and heat transfer sheets let segmented cell blocks deliver adaptive output with more uniform temperatures.

Flexible corrugated hose links and detachable node connections simplify battery module cooling assembly, tolerance compensation, and module replacement.

A pressurized CO2 heat exchanger floods battery cells during thermal runaway, combining cooling and rapid in-pack fire suppression.

Multi-sensor fire detection pinpoints abnormal lithium battery clusters and triggers targeted extinguishing with less false alarm risk.

A heat-shrink sealing cap opens under pressure or heat to vent battery gas, block air intake, and trigger an audible alarm.

Separate filler and vent pathways in a modular terminal block improve battery pack stability, safety, and dimensional adaptability.

A dual-metal housing heat sink with an internal refrigerant flow path improves battery cell stack cooling while saving space and reducing complexity.