Active Material Electrodes TRIZ Cases

A composite binder of polyvinyl alcohol and polyvinyl pyrrolidone maintains electrode adhesion during cycling.

Coating a core active material with a lithium phosphate compound and carbonaceous layer improves discharge capacity and retention rates.

A polyester separator with controlled porosity and a moisture adsorbent prevents hydrolysis-induced resistance in nonaqueous electrolyte batteries.

A battery management system determines active material content in electrodes by mapping peaks between inverse-differential and incremental capacity analysis curves.

A positive active material composition incorporating WO3 to suppress internal resistance increase in rechargeable lithium batteries.

A perforated lithium metal sheet covers the active material film to deliver precise supplemental lithium to the anode.

A layered-spinel composite structure enables lithium intercalation and deintercalation in cathode active materials.

Underpotential deposition of lead on platinum creates a submonolayer that boosts formic acid oxidation activity tenfold while maintaining long-term stability.

Crystalline catalyst particles incorporate Group 13 elements into the unit lattice to enhance oxygen reduction activity while reducing platinum requirements.

Porous inorganic coatings on graphite enable high active mass density while maintaining lithium ion mobility and cycle-life characteristics.

A ceramic separator layer and indicator electrode detect metallic deposits, preventing fires from flammable organic electrolytes.

A lithium battery electrolyte additive polymerizes to form a protective film on electrode surfaces during operation.

A porous carbon material production method using sacrificial ceramic nanoparticles to create uniform mesopores for fuel cell catalyst supports.

Trace alkali and alkaline earth dopants suppress voltage fade in lithium-rich layered composite cathodes by inhibiting the layered-spinel phase transformation.

A negative electrode active material layer uses non-graphitizable carbon with controlled density and particle size to ensure optimal contact.

A cathode active material uses a dual-mode particle size distribution to optimize electrode packing density.

Boron doping stabilizes sodiation voltage and minimizes volume expansion, resolving safety and reliability trade-offs in sodium-ion battery anodes.

A partial reduction surface treatment modifies electroactive materials to boost electronic conductivity in lithium batteries.

Agglomerating bimodal carbon-coated lithium-ion battery electrode active material particles with distinct film thicknesses.

A hydrogen-based electrochemical storage device uses a counter electrode formed of non-noble materials with hydrogen affinity.

A rare earth fluoride compound protects lithium cobalt oxide surfaces from electrolyte reactions.

A silicon-silicon oxide negative electrode active material features a lower-density surface layer that enhances electric and ion conductivity.

Porous alkaline-earth metal carboxylate layer binds hydrogen fluoride to prevent electrode degradation and internal short-circuits.

An electrode structure uses a resin mass integrated with organic fibers to enhance adhesion between the separator and active material layer.

A silicon negative electrode embeds microcrystalline silicon within a porous carbonaceous matrix to accommodate volume expansion during cycling.

Trapezoidal concave portions in a multi-layer electrode increase interfacial contact area, resolving insufficient adhesion and high interfacial resistance.

Composite nickel molybdenum zinc electrodes produce hydrogen gas at low overpotential despite water impurities.

A composite cathode material combines manganese spinel oxide with lithium nickel cobalt manganese oxide to stabilize the electrode structure.

A sulfur and phosphorus compound coating on lithium composite oxide particles stabilizes the electrode surface.

A metal foil laminated polyimide resin substrate uses controlled surface roughness and chromium content to bond layers.

A segmented cathode plate uses a high-surface-area primer layer to reduce interface contact resistance and improve thermal stability.

Hollow platinum nanoparticles with atomically thin skeletal structures maximize catalytic surface area through dimensional transformation.

Segmented locking hooks resolve the trade-off between assembly strength and ease of disassembly, freeing motherboard configuration space.

Segmented engagement portion prevents cover separation from vibration while reducing load on protected members.

Segmented electrodes with a separated lithium source resolve non-reversible capacity issues in carbon-based materials, improving energy density.

Inorganic coated separators withstand high temperatures to prevent thermal runaway while maintaining battery capacity.

Curved horn protrusions reduce stress concentration at joined portions, preventing peeling and breakage during ultrasonic metal joining.

A bimodal lithium titanium oxide anode mixes primary and secondary particles to boost charge rate capability.

A porous releasable decal controls ionomer distribution during drying, reducing surface concentration to improve gas diffusion and voltage output.

Controlling oxidation-reduction potential between −630 and +230 mV ensures uniform gold coverage on platinum surfaces.

Palladium cobalt phosphorus catalyst alloys replace platinum to lower manufacturing costs while maintaining oxygen reduction reaction performance.

A self-supported electrode structure replaces metal current collectors with a carbonized polymer matrix to hold silicon particles.

Optimizing H020/H003 and H110/H003 ratios in a lithium-rich cathode active material improves rate characteristics while reducing reliance on costly cobalt.

Replacing toxic gases with stable reagents produces pure lithium difluorophosphate, improving low-temperature discharge and cycle life.

Cyano-functionalized cathode catalysts prevent contaminant adsorption to maintain durability and performance at low platinum loadings.

Pressure sintering creates anisotropic lanthanum strontium manganite cathodes that minimize thermal mismatch stress during cooling.

A copolymer dispersant reduces paste viscosity while maintaining coatability.

Polyvinylpyrrolidone modified B-phase vanadium dioxide powder yields high phase-transition latent heat.

A composite film of inorganic clay and organic polymer binder insulates heat between battery electrodes.