Secondary Cells TRIZ Cases

A heat conduction pad with a contact protrusion portion connects to bus bars in battery modules, resolving heat accumulation from densely packed cells.

Carbon nanostructures create conductive networks in cathodes, reducing additive volume while maintaining electrical conductivity.

Liquid phase deposition coats lithium metal oxide particles with discrete metal oxide groups to enhance adhesiveness.

A solvate ionic liquid electrolyte composition incorporates phosphorus-containing flame-retardant diluters to enhance safety and conductivity.

A graphene coating layer on lithium transition metal particles increases electronic conductivity and adhesion.

An integrated rear hook structure applies elastic downward pressure to secure battery modules, preventing vibration damage without complex bolting.

A bimetallic member adjusts coolant flow distribution across battery cells to resolve temperature gradients and ensure uniform aging.

A counterflow heat exchanger uses a manifold cover embossment to route coolant through spaced fluid openings in the cover plate.

Controlled pH coprecipitation yields a granular hydroxide precursor that resolves the trade-off between high discharge capacity and low tap density.

A Li2GeO3-based solid electrolyte material enables high lithium-ion conductivity through a specific monoclinic crystal structure.

A flexible connecting pipe links adjacent battery module cooling pipes, absorbing bending and tensile stress from position displacement to prevent damage.

Metal salt graft copolymer binders prevent phase separation in silicon anode slurries, ensuring stable battery lifetime.

Surface oxide layer on lithium metal composite oxide particles enables electrochemical reaction field expansion.

A power adapter enters a sleeping status upon receiving a fully-charged signal to conserve energy.

Liquid-cooled spacers dissipate heat from battery terminal lugs through direct thermal conduction, preventing coolant diffusion into cells.

Amorphous carbon film coating on graphite particles lowers reaction resistance in lithium ion secondary batteries.

Ribbon bonds connect cylindrical battery cells to a bonding plate, handling high current draws that cause wire bond failure during eVTOL hovering.

An integrally formed cooling plate merges with the battery module lower housing to define internal coolant channels.

Multi-axis magnetometers measure magnetic fields to enable navigation tracking in compact aerosol devices, resolving complexity trade-offs.

Silane-functionalized ionic liquids reduce viscosity while maintaining nonflammability, improving cycling stability in lithium-ion batteries.

Segmented support members with differential thermal conductivity interrupt sequential heat transfer paths between adjacent batteries to prevent thermal damage.

Fluid-expanded cooling lines conform to battery cell surfaces, resolving poor contact and ensuring uniform heat dissipation.

Segmented filler application patterns minimize uncovered regions between a battery module and housing body, ensuring complete thermal conduction coverage.

Alternating graphene and composite oxide layers reduce internal resistance to increase discharge capacity in lithium-ion batteries.

Segmented flow channels and elastic springs maintain temperature control reliability while reducing installation space in lithium-ion batteries.

Compressing a flexible linear seal creates a sealed cavity for homogeneous thermal interface material injection, reducing assembly forces and material waste.

A block copolymer coating layer on a cathode active material prevents side reactions at high voltages, extending battery lifespan.

Multi-position connectors on a single endplate accommodate varied battery orientations, eliminating unique designs and reducing manufacturing complexity.

Stacked current collector tabs joined at a bundled portion suppress bending damage and improve electrical connectivity.

Composite spacers with varying thermal conductivity block heat propagation between battery modules while maintaining efficient cooling.

A battery powered insect repellent device separates the power source from the volatile dispenser element and includes wireless communication facilities.

An inorganic particle layer on a porous base material ensures uniform current density and prevents short circuits caused by contraction or melting.

Hexagonal and polygonal cell accommodations in a resin holder reduce heat conduction between cells while maintaining compact mounting efficiency.

A dimensionally stable housing contains a flexible fluid-tight casing that expands and contracts to manage internal pressure changes.

A lithium battery indicator circuit uses voltage comparison to drive an LED status light based on power supply conditions.

A heat conductive layer fills gaps between a cooler and lower case bottom using raised portions.

An integrated heater and voltage sense circuit mounted on a heat spreader allows rapid thermal management while simplifying maintenance access.

Alternating graphite and silicon stripes in a co-extruded anode accommodate volume expansion to sustain specific capacity and cycling stability.

Solid-state thermoelectric cooling replaces mechanical pumps to manage battery electrode temperatures without adding moving parts.

A porous separator layer uses a block copolymer binder mixed with aluminum oxide particles to create a stable composite structure.

Acid-group polymer and sulfosuccinate surfactant in aqueous slurry suppress edge bulging and pin holes by balancing drying shrinkage with bubble release.

A barrier wall in the battery pack case directs cooling fluid flow across battery cells, improving heat dissipation without adding complex external pumps.

A vehicle battery cooling method adjusts temperature thresholds based on real-time state of charge and operating conditions.

Calculating cell core temperature from wall readings and volumetric heat prevents overheating while avoiding direct sensor insertion.

Electronic signal transmission from battery electrolyte level indicators to forklift control units enables remote monitoring of traction battery status.

Control circuitry switches between vehicle and battery power sources to maintain data collection continuity during connection loss.

Composite electrode active materials blend lithiated spinel structures with lithium metal oxides to form stable cathodes.

Hydrofluoroether fluids cool batteries via convection and conduction, resolving high global warming potential trade-offs in electric vehicle thermal management.

Optimized sodium transition metal oxide compositions lower diffusion barriers to resolve the trade-off between specific energy density and cyclability.

A lithium transition metal oxide incorporates tungsten and boron into secondary particles to stabilize the structure.