Secondary Cells TRIZ Cases

A solvent-free electrode fabrication system applies active material mixtures to substrates and uses integrated heaters to initiate binder binding.

Fixing straps secure battery modules to cooling plates via recesses for direct thermal contact.

Folding the power-generating portion at connection points eliminates support members, preventing displacement while maintaining compact size.

Direct spray cooling of battery cells reduces thermal resistance and fluid weight by eliminating immersion requirements.

Housing projections create flow channels for direct battery cell contact and uniform fluid distribution.

Replacing cobalt with iron and aluminum in a layered oxide structure reduces cost while maintaining cyclability through magnetic ordering.

Inorganic particle coatings on lithium battery separators resist thermal shrinkage, preventing internal short circuits while maintaining porosity.

Solid-phase sintering of manganese iron oxide precursors with lithium and phosphorus sources produces lithium manganese iron phosphate cathode materials.

Variable-width channels in a battery cooling jacket reduce temperature deviations across cells while maintaining low pressure drop.

An aluminum secondary battery electrolyte using a sulfone and low dielectric solvent enables efficient room temperature charge-discharge cycles.

A lithium metal phosphate coating on cathode particles prevents oxygen evolution and structural breakdown during high-voltage charging cycles.

Vertical battery stacks inside utility poles store energy to balance grid loads without expanding infrastructure.

Concentrated nitrate co-precipitation recycles salts to eliminate sulfate waste and lower energy consumption in precursor manufacturing.

An asymmetric inversion plate expands contact area with the terminal plate to maintain a short-circuited state during internal pressure events.

Comparing observed thermal profiles against expected baselines detects unauthorized batteries and tampering, preventing device damage.

Liquid vapor phase change material evaporates and condenses to transfer heat from battery cells, eliminating forced convection energy costs.

Inclined flexible bottom plates adapt to uneven cooling plate surfaces, eliminating thermal interface materials and reducing contact resistance.

Block copolymer segmentation creates discrete conductive and structural domains, resolving the trade-off between mechanical robustness and ionic conductivity.

Battery cover designs with adjustable lock positions resolve the trade-off between assembly tolerance absorption and structural rigidity.

A battery cooling channel uses segmented flow guides to distribute water uniformly across parallel branch channels.

A lithium-ion positive electrode uses spherical amorphous carbon particles to enhance energy density and cycle characteristics.

Patsnap Eureka TRIZ case analyzes sulfurized polyacrylonitrile synthesis using preliminary cyclization to resolve low electrical conductivity bottlenecks.

Elastic pressing members fix heat dissipation members to battery cells within plate-shaped frames for secure thermal contact.

A handheld tool system featuring a dedicated measuring device interface that receives auxiliary measurement data wirelessly.

Alternating cylindrical members with inverted thermal gradients balance local heat application, resolving non-uniform thermal distribution in drying devices.

Adding alkali carbonates or hydroxides isolates free acid and insoluble residues, reducing impurity content to 1 wt% or less.

Liquid metal battery with multi-element electrodes stores energy via cation transfer between liquid phases.

An inclined cooling member directs vaporized refrigerant upward and liquid downward to maintain effective heat transfer contact with power storage elements.

A Li-substituted layered-tunneled O3/spinel cathode material stabilizes the crystal structure through ionic substitution at transition metal sites.

Segmented PTC laminar elements with side-mounted fuse layers interrupt excessive current, enabling resettable protection without arc generation.

Selective boron coating on high-nickel cathode particles reduces surface resistance, suppressing oxygen discharge to improve heat endurance.

Centralized switch in battery management system disconnects industrial truck drive, eliminating distributed contactors to save space and simplify module design.

A battery module directs thermal runaway gases through dedicated channels to temperature sensors for precise event detection.

An electrolyte composition uses unsaturated organoboron compounds to form stable SEI layers on electrodes.

A mobile power supply apparatus uses a segmented battery assembly with integrated ventilation for efficient energy transfer.

A rechargeable battery insulation plate pivots to balance the electrode assembly within the case.

A thermal interface member integrates a resistive layer to regulate battery cell temperature.

A lithium ion secondary battery uses a specific layered oxide positive electrode active material to enhance high-rate discharge performance.

A lithium ion battery separator containing fibrillated heat-resistant fibers with modified freeness under 300 ml to enhance tensile strength and cuttability.

Metal foam forms one-piece battery housing with fluid channels, simplifying manufacturing while ensuring reliable heat transfer.

KnMoM positive electrode active materials overcome the low capacity limits of Prussian blue, achieving over 200 mAhg−1 theoretical charge capacity.

A sodium secondary battery electrolyte using molten salt and additives to enable ionic conduction at reduced temperatures.

A thermal dissipation member couples lithium-ion cells to a housing heat sink while isolation chambers prevent thermal runaway propagation.

Integrated cooling channels absorb heat from venting gases during thermal runaway, reducing deflagration risk while maintaining pressure relief.

Liquid phosphoric acid mediates calcination to eliminate extraneous phases and magnetic impurities in lithium aluminum titanium phosphate.

A graded integral electrolyte separator joins dissimilar ceramics via a low-expansion gradient, preventing bond failure from thermal cycling.

Stud-piton assemblies with beveled washers stack and lock battery packs, reducing space loss from traditional horizontal wedges.

A thermally conductive divider distributes heat laterally between adjacent battery cells to maintain uniform temperatures across the subpack.

An aqueous ammonia treatment on lithium composite oxide creates a protective layer that resolves low initial efficiency and cycle retention in batteries.

Preview display processing unit shows candidate images for user selection, resolving inaccuracy of automatic blank paper detection.