Cell Electrodes TRIZ Cases

Oxidative removal of graphitized carbon improves catalyst metal dispersion while preserving surface area and durability in polymer electrolyte fuel cells.

A lithium-binding fluorinated additive forms a protective film on lithium metal, blocking side reactions and dendrite growth to extend cell life.

Specific Li-Ni-Co-Mn ratios preserve the α-NaFeO2 cathode structure, balancing high discharge capacity with charge-discharge cycle retention.

Flat-part carbon fibers raise heat conduction in low-density gas diffusion felt while preserving handleability and reducing flooding and dry out.

A two-step aqueous charging scheme combines ion extraction with energy storage to enable desalination and higher output voltage with low energy input.

Using a difluorophosphite additive, this electrolyte stabilizes high-nickel cathodes and limits gas, swelling, and resistance growth at high voltage.

Low-rank coal is cleaned, carbonized, and graphitized to cut ash and oxygen content while producing battery-grade graphite.

A compliant inner seal and rigid outer seal reduce membrane stress concentration and tearing in proton exchange membrane fuel cells.

Engineered secondary pores in an oxide support improve water discharge, suppress flooding, and maintain fuel cell performance in high humidity.

A multilayer insulation structure with inert gas gaps helps semi-solid electrochemical cells retain heat and sustain capacity in cold operation.

Annealed lithium-manganese-nickel oxide cathodes use integrated spinel and layered phases to improve cycling stability and capacity without cobalt.

Turbulent mixing at pH 3.5-6.0 forms highly dispersed platinum on carbon, limiting agglomeration and preserving catalyst activity and stability.

A mixed carbonate and high-oxidation-potential electrolyte improves high-voltage battery safety, stability, and ion transport.

Pre-heated AACVD deposits porous CoVOx films in minutes, avoiding high-temperature synthesis while improving adhesion and water oxidation activity.

Different battery chemistries are combined and controller-switched to balance driving range, power delivery, and recharging time in EVs.

Porous graphitic carbon with Pt-Co nanoparticles improves PEMFC catalyst durability, mass transport, and lower Pt loading.

Non-coaxial openings in convex and concave separator regions improve reaction gas flow, drain condensed water, and stabilize fuel cell output.

A segmented bonding layer fixes the separator, support frame, MEA, and gas diffusion layer to limit thermal-stress fractures and misalignment.

Low-crystallinity carbon nanotubes improve adhesion and dispersion in electrodes, cutting resistance and extending lithium battery cycle life.

Using alkyl trifluoroacetate in the electrolyte promotes uniform lithium plating, stabilizes polysulfides, and extends battery cycle life.

A nonuniform reforming catalyst pattern balances stack heat in molten carbonate fuel cells, improving CO2 utilization and limiting hot spots.

Cross-flow chromium-alloy interconnects remove fuel manifolds while a lanthanum nickel ferrite cathode layer limits resistance degradation.

A crosslinked redox polymer network stabilizes aqueous battery electrodes to raise capacity, extend life, and reduce flammability.

A vinylene carbonate, sulfur compound, and lithium difluorophosphate blend forms a stable SEI and suppresses parasitic reactions in high-voltage Li-ion cells.

Balancing LMFP, ternary cathode, and graphite capacities offsets SEI lithium loss to raise usable capacity, energy density, and cycle life.

A formula-based additive builds stable SEI and CEI films to reduce side reactions and preserve lithium battery capacity and life from -10°C to 45°C.

A binder-gradient porous separator coating improves electrode adhesion and heat conduction, boosting overcharge safety without reducing battery energy density.

A cyclical metalorganic precursor and RuO4 process forms conformal ultra-thin ruthenium alloy or oxide films with controlled composition and lower ruthenium use.