Secondary Cells TRIZ Cases

A battery protection circuit uses dual switch drivers to maintain steady charging currents.

A microporous carbon-based composite material enhances electrical conductivity in lithium battery electrodes.

A perovskite electron conducting oxide at primary particle grain boundaries enhances electrical conduction in lithium ion secondary batteries.

A heat dissipation insert transfers thermal energy between adjacent battery cells using a thermally conductive, electrically insulating material.

Multi-directional cooling resolves temperature rises during high-output battery charging by optimizing fan placement for targeted thermal management.

A battery condition indicator uses a redox material electrode to generate visual state information.

Ionic liquid self-assembly creates amorphous FeF3 nanospheres with high reversible capacity while avoiding hydration water issues.

A bi-layer separator integrates a ceramic particle layer with a microporous polymer film to form an integral electrode construction.

A thermal exchange plate delivers liquid interface material through internal conduits to battery cell cavities.

Thermoplastic expanding elements absorb dimensional play, enabling efficient heat dissipation without mechanical stress on the housing.

Segmented bus bar fuses melt at lower currents than collecting fuses, blocking continuous overcurrents and preventing electrolyte arc contact.

Segmenting cathode material into primary single crystals prevents particle agglomeration and doping layer destruction during high voltage cycling.

Dual-channel galvanic isolators propagate fault signals while periodic self-tests verify channel integrity.

Distribution slopes guide water across all electrochemical cells to eliminate hot zones and prevent re-ignition during vehicle fires.

Thin fins and a cover plate create enclosed air ducts, balancing structural strength with heat dissipation efficiency in power battery systems.

A single positive electrode mixture layer combines layered lithium composite oxide and olivine polyanionic compound active materials.

A battery pack design separates the battery unit from the control unit using detachable housing parts with locking elements.

Multivalent acid in the mixture prevents premature gelation, eliminating expensive moisture-controlled facilities.

Pre-dispersing inorganic materials and dispersion resins forms a stable slurry for separator coating layers.

A thin film electrochemical cell uses a polymer double seal to enclose the electrode assembly and provide structural integrity.

Molten eutectic sodium haloaluminate salts enable intermediate temperature battery operation, reducing thermal management costs and safety risks.

A battery protection semiconductor device uses trimming fuses to adjust the low-voltage critical threshold for secondary batteries.

Staggered pyramid convex portions in liquid cooling plates create turbulence that resolves the trade-off between device complexity and cooling efficiency.

Segmented circulation paths with varied flow velocities reduce temperature variations across battery cells.

Integrating cooling channels into structural end plates reduces piping weight and leakage risk while maintaining rigidity and energy density.

A staple terminal with a molded resin frame maintains electrical contact through bearing force.

A connection module uses a bent flexible printed circuit held by an insulating protector vertical part to route detection lines.

Tin anodes resolve low volumetric energy density in magnesium batteries by leveraging two-electron transfer capability.

Discontinuous pattern sealings in a pouch battery distribute internal gas pressure, preventing accumulation and delaying venting events.

Coated graphene sheets create a conductive network that improves thermal management and storage capacity while reducing non-active additive content.

Lithium polysalt binders reduce irreversible capacity loss by enabling reversible ion migration between electrodes.

Outer and inner bus bars position heat transfer paths near cooling fins to resolve trade-offs between electrical connectivity and excessive heat generation.

Protruding portions on a cushioning sheet disperse stress while a heat insulating member suppresses thermal transfer between the sheet and battery cells.

A battery pack ventilation system uses recirculation ducts and baffle plates to facilitate two-directional air flow across energy storage modules.

A lithium-transition metal composite oxide with controlled molybdenum and niobium ratios enhances battery output characteristics.

Thermally-conductive adhesive bonds cartridges to a cooling plate, reducing air layers and improving heat dissipation for high-capacity modules.

Receiving regions in a battery covering plate hold cell connectors during welding, eliminating screw-based connection issues and reducing assembly complexity.

A battery module heat exchange member uses dual refrigerant flow paths to maintain uniform temperatures across aligned battery cells.

Relocating a handy terminal charging port outside the grip zone prevents hand contact during operation.

Integrated charging pad within a compartmentalized frame simultaneously charges multiple portable chargers, eliminating cable clutter.

An optical waveguide transmits cell measurement data through a common path, reducing wiring complexity and short circuit risk in lithium ion battery packs.

Cell holders integrate mechanical support and coolant flow paths to resolve the trade-off between manufacturing simplicity and thermal dissipation efficiency.

Segmented cell carriers with meandering ribs enable modular assembly, resolving structural protection versus ease of repair trade-offs.

Internal blowers circulate air through a battery pack housing to resolve space constraints caused by separate cooling ducts.

A Na2NiO2 cathode additive enables reversible phase transitions to form NaNiO2, stabilizing sodium ion transport in rechargeable batteries.

Local cooling prevents base material melting during high-frequency brazing, maintaining airtightness and flatness while enhancing structural strength.

Dual nickel layers on an iron substrate prevent foreign matter formation during resistance welding, ensuring reliable battery terminal connections.

A thermistor wire routing configuration extends along a case body periphery and uses a binding band for secure attachment.

A core-shell cathode active material adjusts cobalt concentration across distinct regions to enhance structural integrity and energy density.

A KMOxPO4F1-x positive electrode active material provides a stable source of potassium ions to enhance battery performance.