Cell Electrodes TRIZ Cases

Aromatic polymer separators with polar backbone groups resist acidic oxidation while maintaining ion conductivity and selectivity in flow batteries.

Niobium doping and tuned nickel content stabilize lithium-rich cathodes, reducing Li2MnO3-driven fading and improving cycle capacity retention.

Embedded cell components and interlocking end plates create a sealed multi-cell flow battery assembly that cuts leakage, weight, and stack complexity.

A heteroaromatic resin membrane balances proton transport and redox species crossover to improve current and voltage efficiency in redox flow batteries.

Primary pores hold Pt catalyst while ionomer stays in larger secondary pores, reducing poisoning and improving PEM fuel cell durability.

Synergistic solvent extraction separates Mn, Ca, and Mg from low-grade MHP while shortening nickel stripping time and improving cathode metal recovery.

Sprayed water vapor plasticizes ion-conductive polymers, enabling lower-temperature electrode transfer with better adhesion and less equipment wear.

A reserved housing volume ratio limits electrolyte squeeze-out during electrode expansion, improving battery safety without sacrificing energy density.

Nitrogen-doped carbon nanotubes with evenly distributed vanadium nitride particles cut impedance and improve stable high-current charging.

A carbon-containing layer and N-vinylacetamide binder help silicon negative electrodes keep conductivity and structure during charge-discharge cycling.

A meltable polymer shell releases flame-retardant materials at 90-120°C to limit LiPF6-driven battery ignition and short circuits.

A 90-120°C polymer shell releases a forming agent to curb LiPF6 heat-driven resistance rise and short-circuit risk in lithium batteries.

A dual-particle lithium-rich manganese cathode uses compositional segmentation and a conductive carbon shell to curb voltage decay and irreversible loss.

Room-temperature irradiation grows Pt nanoparticles on single-layer TMDs, enabling simpler, greener HER electrodes with strong activity and stability.

Using Ni/Fe double layered hydroxide composite electrodes and a carbonate buffer electrolyte, this case improves charging speed and discharge velocity.

Lanthanum nitrate and lithium nitrate in the electrolyte form a protective film that suppresses polysulfide leaching, side reactions, and dendrite growth.

Rare earth and refractory metal modification creates a fast ion surface network and stable bulk phase to improve deep-cycle stability in high-nickel electrodes.

Alternating Pt and oxophilic metal oxide layers are leached into a nanoporous PEMFC catalyst that raises surface area and mass activity.

Inert-gas pressurization and heating in a sealed electrolyte container speed battery cell filling and avoid dry room complexity.

Binary and ternary Prussian blue analogue electrodes selectively remove Ca2+ and Mg2+ with lower energy use for water softening.

Desodiated sodium transition metal oxide cathodes improve sodium-ion intercalation, raising primary battery voltage, capacity, and energy density.

Mobile iron electrodes and pumped electrolyte decouple capacity from power, enabling long-duration storage at high current with lower parasitic losses.

Pre-heating nickel hydroxide to oxide suppresses water during baking, preserving particle contact and crystallinity in lithium composite oxides.

Continuous thermal transfer printing and hot pressing improve membrane electrode bonding, quality control, and PEMFC production efficiency.

A cyclic fluorophosphonate electrolyte additive stabilizes the anode SEI, limits high-temperature swelling, and preserves capacity retention.

Biodegradable amyloid fiber and glycosylated protein material uses water vapor electrolysis to generate adjustable electricity from humidity.

Negative cathode potential with hydrogen and nitrogen flow speeds fuel cell activation by removing catalyst contaminants without high power output.

Selenium doping in porous cobalt-nickel spinel ferrite boosts HER activity by lowering overpotential and expanding active surface area.

A porous cement matrix with electrodes and electrolyte turns building material into structural energy storage for backup and emergency power.

An alkali metal oxide traps protons in LNMO cells, suppressing hydrogen gas generation, swelling, and cycle life loss.

Dioxolane-based electrolyte additives form a protective film on lithium metal, suppressing dendrites and extending lithium-sulfur battery life.

A cyclic anhydride additive forms a stable SEI film that suppresses ether-electrolyte decomposition and extends lithium-sulfur battery life.

A staged synthesis combines large and small nickel-based particles to form needle-shaped cathode structures that raise capacity, efficiency, and cycle life.

A fractionation-functionalization-carbonization route turns refinery hydrocarbons into consistent high-capacity sodium-ion battery anodes.

Variable charge and discharge rates by state of charge help preserve battery life while maintaining charging productivity.

A porous silicon oxycarbide-carbon composite supports noble metal catalysts to balance surface area, conductivity, and fuel cell durability.

A water-ethanol catalyst ink with solubility parameter above 18.0 limits membrane absorption, reducing catalyst-layer cracks and wrinkles.

Adding 5-20% carbon fibers to fuel cell catalyst ink maintains ionomer dispersibility while reducing membrane solvent penetration and coating cracks.

Adding small amounts of La or Ce creates a third phase that speeds Ni-MH electrode activation and cuts break-in charge/discharge cycles.

A dual-region silicon particle with an amorphous or fine-crystal surface evens lithium diffusion and limits expansion damage during cycling.

A pyridine-silyl additive stabilizes the SEI at high temperature, limiting resistance rise, metal ion elution, and battery swelling.

A single-step SLA and direct ink-writing process builds joint-free SOC stacks with internal channels, cutting cost, waste, and fabrication time.

Aerosol deposition fills electrode pores with electrolyte particles, improving SOFC layer contact at low temperature without metal substrate damage.

A pyridine-sulfonyl additive stabilizes the SEI film to limit resistance rise and battery thickness expansion during high-temperature storage.

Soluble sulfonated conductive polymers adhere to carbon nanotubes, extending conductive paths and improving electrical and thermal conductivity.

Perovskite air electrode compounds improve current density while slowing degradation in high-temperature electrolysis.

Fluoroether electrolyte additives form a stable SEI on metal negative electrodes, reducing side reactions and improving cycling and storage stability.

Excess-lithium cathode oxide, additive elements, and negative pressure suppress cracks and resistance rise during deep discharge.

A non-Newtonian electrolyte uses thixotropic shear thickening to suppress dendrites, improve impact resistance, and keep low interface resistance.

Ternary Pd-Co-Fe-Au-Cr-W alloys balance ORR activity with structural stability, resisting methanol crossover in direct methanol fuel cells.

A silicon-based negative electrode paired with a carbonate and mononitrile electrolyte improves charge reversibility.

Platinum monolayers on palladium alloy cores boost oxygen reduction kinetics while cutting platinum loading.

Porous separator with electroactive material creates electronic shunt during overcharge.

Mixing carbon black with transition metal compounds during calcination produces electrode catalysts with smaller particle diameters.

A lithium electrolyte system using LiBOB and FEC additives with propylene carbonate and dimethoxyethane solvents.

A copper-substituted sodium cathode compound enhances battery performance and cycling stability.

Propylene carbonate electrolyte with lithium bis(fluorosulfonyl)imide forms a robust solid electrolyte interface layer.

Tungsten-modified cathodes paired with optimized electrolytes prevent structural collapse during high-rate cycling.

A composite positive active material uses a LiMn2O4 shell on a LiCoO2 core to enhance structural stability and electrical conductivity.

Scandia-stabilized zirconia with bismuth densifies at lower temperatures to prevent interfacial peeling while maintaining high ion-conductivity.

Molybdenum doping in ternary cathodes reduces crystalline grain size to improve thermal stability and specific capacity retention.

A capacity-compensation electrolyte decomposes to supply active ions and electrons simultaneously.

Periodic action divides charging into high and low current stages to minimize hydrogen gas production while reducing snorkeling time for stealth.

Controlled microwave heating rapidly synthesizes fuel cell catalysts with uniform nanoparticle dispersion.

Electrolytic aluminum foil production uses alkylimidazolium halide electrolytes to deposit smooth, uniform metal layers on cathode drums.

A lithium nickel cathode active material uses specific oxygen and moisture thresholds to maintain high capacity.

A liquid electrolyte using propylene carbonate, diethyl carbonate, and ethyl acetate dissolves lithium salts to support battery operation.

Water-retaining groove portions in fuel cell separators accumulate generated water to suppress drop growth, preventing gas passage blockages.

Specified pore volumes in trimanganese tetraoxide suppress particle necking during firing, eliminating abrasion powder and manganese elution.

Pyromellitic acid modifies hydrophilic polymer precursors to form conductive carbon layers on powdered supports.

An acryloyloxy phosphorus additive creates a protective SEI film that reduces internal resistance and improves initial capacity at low temperatures.

Phosphoric acid doped polyazole membranes enable proton conduction without humidification, resolving membrane stability limits at elevated temperatures.

Chlorine-modified spinel cathode material extends cycle life by stabilizing the crystal structure against phase transitions and capacity fading.

Engineers address insufficient oxygen reduction reaction activity by using a catalyst with controlled acidic groups to lower noble metal costs.

Hydrophilic coatings on carbon anodes enhance dispersion and SEI stability, preventing capacity loss from dendrite growth.

A copper transition metal alloy forms a nanoporous structure to catalyze hydrogen evolution reactions.

A lithium mixed transition metal oxide cathode material stabilizes its crystal structure through nickel ion insertion into reversible lithium layers.

Fabricate nanoporous metal catalysts using alloy dealloying to create high surface area substrates for fuel cell applications.

Polyester polyethylene separator structure prevents sulphation and reduces water consumption during stop start cycles.

Acid treatment and fluorine doping modify overlithiated lithium transition metal oxide surfaces to enhance electrical conductivity.

Electrochemical formatting stabilizes lithium nickel oxide electrodes by converting mixed oxidation states to uniform nickel ions.

Composite anode support with metal and ceramic phases prevents interface reactions that reduce durability in solid oxide fuel cells.