Cell Electrodes TRIZ Cases

A thermal treatment process for Li1+xTM1-xO2 electrode active materials using controlled oxygen pressure to decompose lithium carbonate precursors.

Placing oxygen evolution reaction catalysts in gas distribution layers protects platinum against carbon corrosion during startup transients.

Polymer nanofibers distribute among carbon fibers to resolve weak bonding, reducing electrical resistance and thickness reduction under stack pressure.

An interpenetrating network of ionically and electronically conducting polymers enables bidirectional information flow without external pressure.

Segmented bottom gas vents join a non-opening section to prevent premature discharge from vibration while allowing smooth release at high internal pressure.

A polymerizable aromatic compound forms a passivation film on the positive electrode to maintain lithium ion conductivity.

A carbon nanotube composite diffusion layer improves electron conductivity in fuel cell membrane electrode assemblies.

Manganese doping delays conductivity-limiting composition formation, extending operational lifetime and reducing energy costs.

A thermoplastic resin composition forms conductive films using carbon nanotubes and acetylene black fillers.

An N,S-codoped carbon cathode resists CO poisoning while a sodium polyacrylate hydrogel electrolyte maintains stability in harsh alkaline conditions.

Uniform pore distribution in the carbonaceous film prevents electrolyte drying while maintaining thermal conductivity and electrical resistance.

A middle layer of doped ceria prevents constitutional element migration from the air electrode to the separator, maintaining power generating efficiency.

Additive increases binder polymer chain spacing to resolve dispersion instability in water-based flexible lithium-ion battery electrodes.

A polymer composite active material enables rapid lithium ion insertion and extraction, preventing decomposition during high-rate charging cycles.

Electrochemical deposition coats palladium sheets with shell metals in circular reaction chambers to manufacture core-shell catalyst electrodes.

A collector member uses physical vapor deposition to adhere catalyst particles onto carbon fiber peripheries for high surface area.

Protrusions on the bonding surface enhance attachment strength while a flat opposite side minimizes physical interference with adjacent components.

A porous layer with controlled seepage pressure and thickness sits between the catalyst and diffusion layers in a fuel cell electrode assembly.

A graphene ternary composite with a three-dimensional network structure improves lithium ion battery conductivity.

A three-layer electrode design with an optimized aluminum reflective layer improves adhesion and reliability while maintaining optical performance.

Inorganic porous separator layer with lithium absorber reduces polarization during high-rate charge cycles to enhance battery durability.

Integrating thin membranes with gas diffusion layers resolves the trade-off between mechanical strength and ionic conductivity in alkaline membrane fuel cells.

Thiophene stabilizers polymerize into conductive films that prevent manganese dissolution and capacity loss in lithium-manganese-oxide-spinel batteries.

RSxR' and R-(SnSem)-R additives form a protective SEI layer that inhibits lithium-polysulfide migration, reducing self-discharge in lithium-sulfur batteries.

Calcining a base oxide then mixing with a lithium compound expands primary particle diameter to raise tap density and volumetric energy capacity.

A metal-ligand anionic complex with specific cation counterions stabilizes redox flow battery electrolytes.

A composite ionic layer with an OER catalyst mitigates carbon corrosion during fuel starvation, extending the service life of the fuel cell.

Chemical vapor deposition optimizes BET surface area and crystal size to reduce powder resistivity, resolving mass production trade-offs.

Embedding graphite felt units in grooved polar plates reduces dead volume and concentration polarization, boosting energy efficiency.

Fluoro doping of a layered Li2MnO3 composite improves crystallinity and ion mobility, resolving the trade-off between high capacity and rate capability.

Surfactant-treated polyolefin separators resolve hydrophobic bottlenecks, enhancing ion movement efficiency and extending cycle life.

A double carbon coating on a lithium metal phosphate matrix enhances structural strength and adhesion.

Hydrazine reduction creates spherical nickel cores within stabilized zirconia shells, preventing agglomeration and maintaining conductive paths.

A non-aqueous electrolyte secondary battery uses an unsaturated compound in the electrolytic solution to maintain large current capacity.

A Li1+xM1−kMekO2 positive active material uses a surface-to-core concentration gradient of element Me to enhance lithium ion cycling.

A metal gas diffusion layer uses a carbon film conductive coating to provide electron pathways for fuel cell operation.

An oxolane compound electrolyte stabilizes a silicon-graphite composite electrode, mitigating volume expansion and maintaining high capacity retention.

Embedding catalyst nanoparticles in a carbon nanostructure prevents aggregation and maintains power generation performance.

Heat treatment at 600-700C creates a core-shell structure that prevents nickel elution and enhances carbon monoxide resistance.

Tin-added ferritic stainless steel cell cans resist corrosion while flat sealing plates enable efficient laser welding to lower manufacturing costs.

Rough circumferential edge prevents resin separator flow into blade clearance while smooth inner surfaces reduce friction and wear.

A membraneless fuel cell uses a flow generator to transport ions across a gap between electrodes.

RuXMY alloy catalysts replace platinum to reduce material costs while maintaining high energy conversion efficiency through optimized transition metal ratios.

A flexible member positions a temperature sensor adjacent to a battery cell, eliminating ambient gradient interference and reducing assembly complexity.

A liquid metal alloy negative electrode absorbs volume changes during lithium insertion and extraction, preventing cracking in the electrode material.

Lithium metal complex oxide cathodes reduce residual lithium via solid-state metal compound reactions, improving battery life and capacity.

Composite hydrurable alloy reduces corrosion and amorphization, maintaining capacity below 15% loss over 30 weeks at 70°C.

Sequential impurity removal using calcium hydroxide and sulfides achieves 99.9% purity trimanganese tetraoxide from low-grade dust.

Precipitation control yields uniform nickel-cobalt-manganese precursors, suppressing fine particles to improve battery thermal stability.

Organosilicon electrolytes maintain ionic conductivity above 130°C, resolving the contradiction between high operating temperature and battery reliability.