Cell Electrodes TRIZ Cases

Metal-functionalized graphene composites resolve adhesion instability in hydrophobic polymer matrices to boost power conversion efficiency.

Carbothermal reduction yields air-stable alkali metal sulfide nanoparticles with a carbon-based shell.

Fe-doped olivine electrode material with controlled surface iron ratio improves electron conductivity without reducing battery density.

Segmented catalyst layout minimizes erosion and structural stress near inlet apertures, extending MEA lifetime.

A fuel cell cathode uses a perovskite composite oxide with a secondary phase to manage current density.

Electrospun nanofibers support catalyst nanoparticles to lower platinum loading while maintaining high fuel cell power density.

Filling micropores with non-noble metal precursors and pore-fillers boosts volumetric activity to replace expensive platinum catalysts.

Composite cathode materials stabilize discharge voltage to resolve variability issues, enabling accurate end-of-life detection.

A resin composition combining polyvinyl alcohol with fluororesin containing polar functional groups to form hydrogen bonds.

Simultaneous fuel cell coating applies multiple solutions under laminar flow, preventing layer intermixing and reducing manufacturing time.

A gel polymer electrolyte composition uses ionic liquids and flame retardants to stabilize lithium secondary batteries.

Folding the substrate creates confined regions that prevent catalyst loss during continuous slurry application, resolving precision and waste trade-offs.

Bimodal porous carbon cathodes trap polysulfides to prevent shuttle-induced capacity loss.

Nanoscale silicon crystals in a metal matrix reduce volume expansion, resolving the trade-off between high capacity and cycle life reliability.

Fluoro-phosphonic acid compound layer promotes water electrolysis to extend cell reversal tolerance time.

Replacing ethylene carbonate with fluorinated cyclic carbonates prevents freezing and stabilizes the solid electrolyte interphase layer.

Optimizing the palladium-to-carbon ratio in a core-shell structure enhances catalytic activity while lowering platinum costs.

Flow field features restrict cathode reactant consumption to prevent anode hydrogen starvation and reverse current flow during high utilization.

Sodium doping in a lithium transition metal composite oxide resolves the contradiction between high discharge capacity and poor high-rate performance.

Sintered ceramic anode with spherical voids reduces carbon deposition and thermal expansion mismatch in solid oxide fuel cells.

A perovskite catalyst reduces overpotentials for fuel cell reactions by substituting expensive platinum with cost-effective metal ions.

A lithium-sulfur battery separator integrates a functional layer of graphene sheets and molybdenum diphosphide nanoparticles to adsorb polysulfides.

Combining Nafion and Aquivion ionomers improves proton conductivity and stability at high humidity, overcoming performance drops of single-ionomer systems.

Inert atmosphere filling minimizes compressible gas content in the anode electrode chamber to prevent tube rupture from sodium pressure buildup.

A perfluorinated sulfonamide polymer additive enhances electrolyte wettability on cathode active materials in secondary batteries.

Quad-vacancy defective graphene coatings suppress platinum dissolution while maintaining reactant transport through controlled porosity.

A binder composition uses phosphoric acid monomers and surfactants to enhance electrode adhesion.

Thermal treatment of samarium-doped cerium oxide balances crystallite size to resolve the trade-off between antioxidant activity and long-term stability.

A battery assembly uses linear bus bars attached to an upper tray member for electrical connections.

Poly(phenylene alkylene) ionomers enhance chemical stability and reduce interfacial resistance in alkaline fuel cells by balancing conductivity and swelling.

A fluorine atom-containing aromatic compound forms a protective film on nickel-based positive electrodes to inhibit electrolyte side reactions.

Substituted lambda manganese dioxide cathodes incorporate alternate elements to increase specific capacity and run-time performance in alkaline electrochemical cells.

Grafting fluorinated groups onto PEO creates electrolyte copolymers that enhance ionic conductivity at room temperature.

Sequential solvent extraction recovers high-purity scandium oxide from fuel cell scrap, bypassing inefficient ore processing.

Specific repeating units in the polymer reduce water content below 15 mass percent, preventing membrane swelling while sustaining high power generation.

A fluorine-containing phosphate compound stabilizes the positive electrode interface in lithium secondary batteries.

Sequential additive injection creates separate SEI and CEI films to reduce gas production while maintaining cycle performance in high-nickel batteries.

High-capacity lithium-manganese oxide cathodes incorporate high-bond-energy additives to stabilize the crystal lattice structure.

Interconnected inner channels in spherical graphite particles improve lithiation rate capability while maintaining high capacity.

A core-shell precursor with a high-nickel core and cobalt-rich shell boosts reversible capacity while maintaining chemical stability.

Solid electrolyte interface films on positive electrode carbon suppress electrolyte decomposition and gas generation during high-voltage cycling.

Synthesizes three-dimensional graphene structures using sacrificial copper templates to create non-planar morphologies with controlled surface defects.

Optimizing metal oxide additive concentrations in ionomer layers improves membrane durability while preventing brittleness and maintaining proton conduction.

Sulfur doping in perovskite air electrodes prevents separation during shutdown, enhancing durability.

A composite anode active material uses a metal silicide core and silicon shell to maintain stable electrical contact during cycling.

A mixed ether solvent system dissolves carboranyl magnesium salts while maintaining low viscosity, resolving the trade-off between solubility and ion transport.

A composite binder composition combines fluoropolymer and non-fluoropolymer components to enhance electrode flexibility and binding force.