Fuel And Primary Cells TRIZ Cases

Replacing contaminated electrolyte in segmented metal-oxygen batteries restores aircraft electrical power while reducing overheating and fire risks.

A liquid gallium-indium-tin barrier suppresses parasitic corrosion in an anaerobic aluminum-water cell, achieving 3.7-20 MJ/L energy density.

Polymer-embedded battery uses bodily fluids as electrolytes to generate power, eliminating bulky external energy harvesting antennas.

Discharge operation consumes residual oxygen in metal-air batteries to prevent decomposition reactions and extend battery lifetime.

Dissolving specific metal compounds suppresses erosion of the layered double hydroxide, preventing short circuits from dendritic zinc growth.

SO2-treated sulfur passivation layer inhibits dendrite growth and capacity loss in lithium-air batteries.

An inert atmosphere carbon coating process improves electrical conductivity and rate capability of electroactive battery materials without reducing metal ions.

Polyaniline corrosion inhibitor and surfactant system reduce polarization in zinc air cells, extending service life.

A secondary aluminum-air cell employs a non-aqueous electrolyte to enable reversible electrodeposition.

A metal-air cell employs a low temperature ionic liquid electrolyte to conduct ions between electrodes.

Perforated shells house zinc and zinc oxide to maintain electrode structural integrity during cycling.

A bipolar zinc-air battery cell uses a porous conductive element to supply oxygen gas directly to the cathode surface.

Segmenting wiring into individual cartridges eliminates complex repair tasks, minimizing downtime during maintenance.

Composite membranes block sodium ions to prevent fouling of lithium conductive layers during seawater operation.

Replacing precious metals with tunable A2-xMOy oxides resolves the contradiction between reaction kinetics and device cost in fuel cells.

A sheet mask integrates battery parts to generate microcurrents that stimulate mimic muscles and lymphatic vessels.

A metal-air cell integrates a porous separator into the negative electrode case structure to maintain reliable insulation between electrodes.

Integrating an outer frame with the positive electrode resolves bending issues while preventing electrolysis solution leakage in stacked vehicle batteries.

Single-walled carbon nanotube air cathodes replace precious metal catalysts to resist flooding and minimize ion diffusion barriers in metal-air batteries.

Removing titanium and boron from the aluminum anode reduces parasitic corrosion while maintaining high energy density in the electrochemical cell.

A porous carbonaceous composite with oxygen functionalized nanotubes reduces polarization in lithium air batteries.

Copper-free anode casing coated with copper tin zinc alloy suppresses hydrogen evolution to prevent electrolyte leakage without mercury additives.

Nitroso additives capture oxygen radicals to prevent carbonate formation and extend cycle life at high temperatures.

A lithium-air battery uses an ionic liquid electrolyte with dissolved potassium superoxide to maintain a concentration gradient.

Porous Teflon in the air supply duct enables oxygen access while blocking water ingress, resolving integration complexity and reliability trade-offs.

Mechanically bonded conductive shells on catalytic cores reduce volume resistivity and internal resistance in metal-air batteries.

An impressed recess creates a raised portion exerting pressure on the cathode disk periphery, resolving high impedance and reducing rejection rates.

A gold and cobalt coordination complex catalyst enables reversible two-electron oxygen reduction in metal-air battery electrodes.

An ion conductive oxygen-blocking film replaces brittle LATP layers, enabling flexible 3D cell designs and improved cyclability.

A dual battery system combines metal-air and conventional packs to optimize power distribution.

A metal halogen electrochemical cell system uses a circulation pump and venturi to mix electrolyte with halogen reactants.

Garnet-type oxide solid electrolyte replaces flammable liquid components to eliminate fire risks and dendrite growth in lithium batteries.

A liquid air electrode disperses conductive material in electrolyte to maintain fluidity and catalytic function.

Sealed insulation fluid in connection flow paths electrically isolates adjacent air cells, preventing short circuits from alkali electrolysis solution contact.

Porous reduced graphene oxide cathode resolves energy density limits by increasing specific surface area for oxygen reduction reactions.

Laminated air electrodes with hydrophobic external faces prevent moisture flooding while internal hydrophilic zones sustain high oxygen diffusion rates.

Serial cell activation exposes one zinc-air battery at a time, preventing environmental degradation of inactive cells.

Amphoteric fluorosurfactants modify zinc-air battery electrolytes to increase operating voltage during pulsed discharge.

A cylindrical battery storage container uses a diaphragm between end caps to manage internal pressure.

A porous zinc sponge anode structure enables uniform current distribution and high zinc utilization, suppressing dendrite growth that causes electrical shorts.

A lithium ion conductive solid electrolyte membrane stabilizes the battery interface using a polymeric matrix.

An n-type conducting polymer cathode enables efficient oxygen reduction reactions without noble metal catalysts.