Fuel And Primary Cells TRIZ Cases

Composite protective layers suppress dendrite growth to extend battery lifespan without reducing capacity.

Periodic operation prevents aluminum corrosion while sustaining high peak power densities for UAV applications.

A hydrophilic filter with a porous body and wick vents gas from electrochemical cells while retaining ionically conductive liquid electrolyte.

Transition metal oxide electrodes exchange ions with atmospheric oxygen through a porous housing to maintain charge balance without an electrolyte.

Segmented wooden frames with angled cross strips absorb forces while simplifying assembly.

A battery fluid regulating system uses shape memory alloy wires to actuate a movable valve plate for precise oxygen entry control.

Hydrophobic treatment on a porous oxygen-permeable membrane resolves insufficient joining strength that causes electrolyte leakage and water penetration.

A pyrochlore oxide catalyst containing bismuth, ruthenium, and manganese improves oxygen reaction kinetics in alkaline electrolytes.

A composite cathode layer uses porous particles to distribute electrolyte efficiently within a metal-air cell structure.

A 1,3-dioxane compound promotes protective surface film formation on battery electrodes.

A metal-air cathode assembly uses a sealant to form a cohesive barrier around the catalytically active layer.

Cross-linking agents modify aqueous binders to suppress polysulfide elution, improving initial coulombic efficiency and lifespan.

Hydrophobic and hydrophilic cover zones manage membrane hydration stability while improving reactant delivery efficiency.

A lithium oxygen battery uses a carbon cloth cathode current collector to support the electrode structure.

A service station replaces degraded electrolyte in metal-air batteries using heated off-board fluid.

Optimized carbon structures with defined XRD peak ratios replace platinum, reducing costs while maintaining fuel cell performance.

Orienting open surfaces of adjacent metal-air battery cells in different directions enhances oxygen supply while reducing volume occupied by the cells.

Eliminating flanging tools, the design employs a radially bent cover margin engaging a cup notch to maintain liquid-tight seals while simplifying assembly.

Gradient porous electrode architectures resolve pore clogging from reaction products by directing lithium ion transport through structured cathode pores.

A magnesium-air fuel cell lid acts as a power switch through terminal contact upon fastening.

Segmenting the system into dedicated electrolyzer and fuel cell devices prevents carbonaceous support degradation while reducing proton ohmic resistance.

A lithium and calcium alloy serves as the active material in negative electrodes, enabling self-supporting structures without current collectors.

A closure membrane and opening mandrel maintain pressure in torpedo accumulators, preventing loss during long storage periods.

A catalyst combining iron phthalocyanine with conductive carbon materials to achieve oxygen reduction catalytic ability surpassing platinum-carbon systems.

A seed layer on the carbon positive electrode induces thin-film discharge product growth to enable high-speed charging and discharging cycles.

Porous conducting electrode with hydrophobic layer enables direct gas diffusion through material structure.

An Al-Mg-Ti phosphate solid electrolyte improves ion conductivity and reduces interfacial resistance in all-solid-state lithium batteries.