Secondary Cells TRIZ Cases

Embeds coolant channels in structural components to reduce module size while maintaining thermal performance.

A battery cell heat exchanger uses side-entry fittings within the plate plane to enable flexible coolant routing.

A photovoltaic cell array converts indoor fluorescent light into electrical power for local devices.

An integrated cooling block merges with the housing to eliminate separate cartridges, improving insulation reliability and space utilization.

Bonded lead wires fracture under expanding force from overcharged lithium ion cells to isolate parallel-connected modules and prevent safety accidents.

Heterogeneous active materials with specialized coatings resolve high-voltage instability and cycle degradation in lithium secondary batteries.

A lithium-ion battery electrolyte combines halogenated ethylene carbonate and vinylethylene carbonate additives to improve cycle life.

Lithium nickel manganese cobalt oxide cathodes use coated particles to achieve high tap density and specific capacity.

H2-xV3O8 active material reduces vanadium dissolution and corrosion by extracting exchangeable protons from H2V3O8 via controlled oxidation.

Internal exhaust ducts merge module outlet openings to direct and cool gases, eliminating external pipes that reduce energy density.

Automated infrared sensors replace manual visual inspections to provide real-time electrolyte level and temperature monitoring across utility battery arrays.

Low-temperature sintering with lithium hydroxide maintains 8% porosity in garnet electrolytes, preventing density increase that reduces ionic conductivity.

A battery cooling plate uses distinct channel shapes to distribute coolant flow across adjacent cells.

Heat spreaders reduce temperature differences between adjacent cells, improving service life and charging efficiency.

Deforming outer package side walls during fitting prevents gaps that allow sputter particle contamination.

Combines forward and reverse stamping with injection molding to create a convex hull top cover, resolving sealing and explosion-proof contradictions.

Direct thermal contact portions eliminate separate cooling fins, reducing battery pack weight and thickness while maintaining high heat radiation efficiency.

A monolithic cell connector uses a stepped receptacle to integrate contact pieces for secure electrical joining.

Recessed areas in the connecting bridge of a cell connector absorb thermal expansion differences between plastic housings and bronze alloy contacts.

A die-cast aluminum battery tray integrates a brazed coolant plate to distribute fluid across battery cells.

A laminated battery exterior body features a convex structure corner with segmented curved and straight portions to disperse mechanical stress during manufacturing.

Ether solvent with fluorinated alpha-carbon enhances oxidation resistance and ionic conductivity in lithium metal batteries.

A sulfate-based positive electrode active material utilizes an alluaudite-type crystal structure to enhance sodium ion mobility.

Integrated charger unit eliminates separate external devices by using a microprocessor and programmable current source to optimize charging efficiency.

Angled current conductor arms expand contact areas to prevent separator penetration during deformation, improving battery reliability.

Periodic current reversal prevents dendrite growth while maintaining high charging efficiency.

A polydopamine coating on lithium metal oxide particles prevents electrolyte oxidation and gas discharge, improving rate characteristics.

A fluorinated cyclic carbonate additive forms a protective solid electrolyte interphase on positive electrodes.

A composite material combines mixed lithium metal oxide particles with pyrolysis carbon coatings and crystalline elemental carbon to enhance pressing density.

A welded heat-rejecting lead tab merges electrical and thermal functions, improving fast charge heat management without adding separate cooling structures.

Integrating a temperature sensing element into the cell connector base body reduces measurement distance and response time.

A thiol-terminated polymer matrix incorporates high-conductivity filler particles to create a durable thermal interface material.

A composite modified layer combines ionic ceramic and organic conductive compounds to enhance ion transport at the electrode interface.

A vortex generator on the cooling block inner wall creates fluid rotation to enhance heat absorption from battery cells.

A unitary wrapping sheet encloses multiple battery cells, eliminating heavy intermediate frame members and simplifying the assembly process.

Segmented division covers with overlapping portions simplify assembly and reduce production costs for non-flat power storage surfaces.

A biodegradable isoparaffin fluid provides dual cooling and lubrication for electric vehicle motors.

Positive electrode active material optimizes X-ray diffraction peak shapes to resolve c-axis orientation trade-offs and improve high-temperature durability.

A battery frame uses a conductive sheet to transfer heat from terminals.

Gradient dopants in the cathode material improve conductivity while suppressing side reactions, maintaining cycle life without increasing carbon content.

Partial-stack connecting cylinders and bolts secure battery holders, preventing bolt loosening while maintaining a minimal footprint.

Elastic members press battery modules onto housing walls to conduct heat, resolving the trade-off between module count and thermal dissipation complexity.

A battery module housing uses parallel liquid-cooled and empty channels to provide structural support and electrical terminal access.

A motor vehicle high-voltage energy accumulator housing integrates load-path-forming supporting structure plates with internal cooling ducts.

Functionalized graphene composite particles enhance electron and ionic conductivity in lithium ion battery positive electrodes.

Complex oxide layers on cathode particles mitigate capacity fade while maintaining high energy density.

Fluorinated acyclic electrolytes resolve cathode instability at 5V by maintaining cycling performance.

Vertical metal fins expand the cooling surface area across battery cells while a resin insert prevents electrical conduction between adjacent units.

A non-conductive spacer isolates the battery from capacitive electrodes, preventing involuntary command transmissions during installation.

A boron cluster anion electrolyte supports reversible magnesium stripping while preventing electrode corrosion at high potentials.