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.