Secondary Cells TRIZ Cases

Branched carboxylate solvents stabilize the positive electrode interface, preventing swelling from accelerated reactions at high charging voltages.

A battery module uses a shared cooling unit contacting pouch folding edges to consolidate thermal management.

A uniform protective monolayer coats battery electrode particles via atomic layer deposition in a fluidized bed reactor.

Two-step firing stabilizes layered structures and reduces costs using cheaper lithium carbonate.

A spinel-type lithium cobalt manganese complex oxide regulates interatomic distances and strain to enhance energy density.

Segmented support structures enable splicing of battery modules around a shared cooling assembly, eliminating custom equipment costs for varied cell counts.

Inserting portions on side plates engage end plate grooves to prevent loosening during vibration and improve connection reliability.

Composite polyolefin membrane with inorganic particles resists thermal shrinkage to prevent internal short circuits and maintain cycle life.

An asymmetric separator coating blocks pores and reduces shrinkage during thermal runaway, suppressing heat generation.

Controlled porosity in lithium-rich cathode particles reduces initial direct current resistance and suppresses its increase during cycling.

An integrated support piece connects upper and lower cooling plates, preventing coolant leakage while maintaining structural strength.

Relocating electrical support bases from end plates to internal beams frees module space, increasing energy density while maintaining connection stability.

A busbar grid provides mechanical support to battery trays, reducing component weight.

Segmented electrode plates with rounded corners form step-shaped lithium ion cells for irregular device spaces.

A silicon nanowire and graphene sheet hybrid anode accommodates volume expansion to maintain electrical conductivity during cycling.

Bent collector tabs apply elastic pushing force to maintain contact between collector members and the sealing plate, preventing detachment under impact.

Lithium cobalt oxide with an O2 crystal structure enables stable high voltage operation in non-aqueous electrolyte batteries.

Fluorinated ether and sulfone electrolyte suppresses polysulfide shuttle without LiNO3, resolving anode degradation and active material loss.

Segmented air ducts with adjustable ventilation plates regulate airflow to eliminate temperature inconsistencies across battery racks.

Phase transition materials in battery module spacers limit heat propagation between cells during overheating events.

Insulating second spacers prevent temperature differences between adjacent battery cells while first spacers enable cooling gas flow.

A hinged cover member folds back to interpose between connection terminals and voltage detection wires, preventing physical contact.

Stacked coin cell arrays connect via V-shaped bonding wires pressed between cells, enabling all-solid-state modules without high-pressure large-area pressing.

Fused polycrystalline LLZO membrane with controlled dopant composition resists air degradation, eliminating hermetic packaging costs.

Porous carbon matrix sorbs lithium-alloying material to accommodate volume expansion, resolving cycle life deterioration in high-capacity batteries.

Varying inlet aperture dimensions compensate for pressure drops along the manifold, eliminating temperature gradients in battery pack cooling systems.

A battery gauge displays degradation as a capacity proportion, preventing premature replacement and reducing inventory waste.

Perpendicular conduction blades resolve rigidity and heat dissipation contradictions in compact accumulator designs.

Removing fine particles from a polyimide composite film increases the aperture ratio to lower internal battery resistance.

A fluidic stirring device circulates gas or liquid through battery cells to maintain uniform temperature distribution.

Circumferential weld seam on terminating element prevents fluid ingress while simplifying assembly.

A battery pack bypass flow path directs cooled air to distant cell columns, reducing temperature deviations across all battery cells.

Lowering current limits after detach detection prevents port shutdown cycles and ensures stable charging.

Staged energy dissipation circulation function regulates nucleation and growth to achieve uniform particle size distribution in ternary precursors.

A lithium-ion active material featuring a nickel composition gradient across primary particles to facilitate ion movement.

A sodium ion battery cathode material maintains high specific surface area through controlled crystallization before firing.

A positive electrode active material layer with 17 to 20 percent porosity and a peak pore size of 0.400 to 0.550 micrometers balances capacity and output.

Segmented cell retainers define airflow channels to cool battery cells, preventing thermal runaway in harsh environments.

Segmented positive electrode layers balance reversible capacity against thermal stability to prevent ignition from external penetration.

A connection module uses a temporary locking portion to detachably secure a temperature detection portion near an insulating member.

An internal manifold structure with bypass ports distributes fluid to maintain temperature uniformity while reducing packaging space.

Protrusions on the heat sink contact the battery directly, allowing thinner insulation sheets that reduce cost while maintaining thermal performance.

A fluid guide assembly directs airflow through a battery module housing to manage temperature efficiently.

Aqueous composition for secondary battery porous membranes uses inorganic oxide particles and metal hydroxide to enhance redispersibility.

Incorporating sugar into oxide particle coatings improves electrolyte wettability, eliminating unwetted dead zones in lithium-ion batteries.

Integrates electrical connectors and refrigerant channels into one housing member to reduce assembly complexity and prevent short circuits.

Polymer coatings on lithium-nickel composite oxide particles prevent moisture absorption, eliminating the need for controlled production environments.

Segmented hollow profiles replace heavy external housings to reduce weight while maintaining mechanical stability.

Extruding a dinitrile-polymer mix creates a gel separator that resolves the trade-off between reliable impregnation and non-planar shape adaptability.

A PWM controller integrates a temperature compensation circuit using negative and positive coefficient resistors to stabilize oscillator frequency.