Secondary Cells TRIZ Cases

Reversed coolant inlet-outlet placement and staged flow sections improve battery pack heat exchange, cut temperature differences, and reduce pressure loss.

Quick-coupled branch pipes make EV battery cooling modules easier to adapt across vehicle layouts, cutting assembly time and model-specific cost.

Temperature-responsive channel regulators vary coolant flow by battery region to improve temperature uniformity and avoid overcooling.

Hot-melt nozzles keep spray cooling efficient in normal use, then melt to flood overheated cells and limit thermal runaway spread.

A dual-shell high-nickel cathode turns surface impurity lithium into ion-conductive layers, reducing side reactions and stabilizing cycling.

A thin Si-O and Si-N water vapor barrier layer blocks substrate moisture ingress to preserve solid-state battery performance over time.

Multiple vanadium redox states and carbon-milled KVOPO4 improve sodium-ion cathode conductivity, capacity, and cycling stability.

A limiting member guides adapter bending to cut assembly stress, prevent breakage, and block short circuits from metal chips.

An ALD-grown LiAlF4 interfacial layer stabilizes NMC-811 cathodes at wide voltage windows while preserving lithium-ion transport and low resistance.

Interchangeable high- and low-capacity batteries enable cord-free charging in the sterile field, extending surgical runtime while reducing contamination risk.

A middle coolant chamber between two reservoir chambers limits direct heat transfer and preserves temperature difference in vehicle cooling.

A connector beside the welded zone splits tensile loads from battery expansion and vibration, keeping module voltage sampling stable.

Optical fiber sensing spots fixed between battery modules measure internal and inter-module heat while simplifying inspection and replacement.

An internal cooling unit splits the battery housing into cell cavities, moving heat directly to coolant for faster dissipation and safer charging.

A switchable elastic mechanism raises restraint force as battery modules age, maintaining proper compression and extending service life.

A porous separator-side lithium source helps offset SEI-related lithium loss, improving specific energy and power in electrochemical cells.

A bracket placed between adjacent battery flanges increases contact area, relieves stress concentration, and improves structural stability.

Nested primary particles form a polymeric single-crystal cathode that balances high capacity, stable cycling, low resistance, and safety.

Semi-crystalline PVDF copolymers balance flexibility, metal adhesion, and chemical resistance for bendable lithium-ion battery films.

A multi-channel cooling block raises coolant flow and blocks backflow to improve heat dissipation in high-capacity battery modules.

Modular base modules and bridges create a serpentine battery cooling path that cuts leak-tight connections, bulk, and maintenance effort.

A two-piece frame with an integrated top and end section cuts welding steps, reduces tolerance buildup, and saves battery module space.

Polymeric coatings on electroactive particles and PTFE binder fibers suppress side reactions, improving Coulombic efficiency and electrode stability.

An oblique access opening, smaller cover body, and nearby distribution box reduce bolts while improving battery pack sealing and assembly.

One-part coolant distributors replace separate heat sink line connections, simplifying battery assembly while maintaining sealing and cooling flow.

Thermal insulation side beams and phase-change materials cut battery heat loss in cold conditions while preserving cell temperature and driving range.

A high-resistance lithium-iron-phosphorus oxide layer slows internal short-circuit energy release to improve battery safety and capacity retention.

A housing-integrated coolant channel directly contacts adjacent cells to remove charging heat faster and reduce battery heat buildup.

Spacer-supported gaps and side channels let cooling medium contact battery cells directly, reducing thermal resistance and overheating risk.

A multi-layer adapting piece and single-layer weld section improve lithium-ion tab-to-cover joints while reducing stress and metal debris.

A conductive plate cools pouch cell tabs directly, reducing liquid-cooling complexity and helping prevent battery thermal runaway.

Membrane-divided cooling channels create counterflow around battery cells, reducing module temperature spread and extending cell life.

A high-resistance lithium-iron-phosphorus oxide layer delays internal short circuits and slows energy release while preserving discharge capacity.

A monocrystalline sodium-ion cathode composition improves cycle stability by resisting particle fragmentation and limiting electrolyte contact.

A bicyclic sulfate with compound A builds a thermally stable SEI that limits gas expansion and preserves high-temperature storage and cycling.

A slit sealing member with a bent cover reinforces the pouch-cell tab clamp to block air intrusion and improve lead durability.

Integrated module converters power EV battery controllers and high-voltage contactors, avoiding no-start failures from a depleted low-voltage battery.

A support base, conductive connecting piece, and bonding member simplify battery cell signal sampling while avoiding pressure damage during assembly.

A cold expansion portion changes flow channel area with temperature, balancing battery cell cooling and preventing overcooling.

A Li4WO5-rich lithium tungsten oxide coating protects crushed nickel-rich cathode powder from electrolyte attack during high-temperature storage.

Fine aluminum hydroxide in a silicone heat-absorbing member helps battery modules absorb early abnormal heat below 300°C for longer.

A segmented holder with a tighter intermediate fit and intersecting mating surfaces moves heat from cylindrical cells to end holders.

Using two adhesives with different shear strengths replaces lateral screws, improving battery module rigidity, cooling, weight, and removal.

A Mg-uniform, Li-rich surface in silicon oxide anode particles cuts slurry viscosity and capacity loss while improving swelling and cycle life.

A sealed fluid channel inside the battery partition repeatedly evaporates and condenses to cool abnormal cells and limit thermal runaway spread.

A movable slide and pre-installed seal ring simplify micro-channel tube assembly while creating reliable compression sealing.

Dual electrolyte compounds form protective electrode films that limit oxidative decomposition and stabilize Li-ion cycling at high voltage.

Controlling voids in nickel composite hydroxide precursor particles improves lithium diffusion and helps stabilize Li-Ion battery cycling.

Battery arrays are arranged to create an open channel for coolant and wiring, increasing pack volume efficiency without enlarging footprint.

By shifting the coolant connection into a planar attachment projection, the housing preserves cell space and minimizes battery pack thickness.