Cell Electrodes TRIZ Cases

See how functionalising carbon fibre substrates before diamond deposition prevents etching and

See how horizontal splitting with a knife structure enables continuous production of thin carbo

See how a Brayton electrochemical cycle with ion exchange membranes achieves continuous 50 K co

See how dual-pore carbon sheets balance drainage and conductivity in fuel cells, preventing flo

See how surface functionalisation with oxygen-containing groups enables diamond coating on carb

See how optimized carbon nanoparticle-to-surfactant ratios and cellulose fiber coating boost vo

See how optimized carbon nanoparticle-to-surfactant ratios and dip-coating improve open-circuit

See how MXene-coated textile fibers enable flexible, high-capacity energy storage cells that ex

See how continuous carbon fiber strips combined with graphene coating maintain mechanical stren

See how microwave plasma pyrolysis converts chitin into diamond, graphene, and other nanocarbon

See how microwave plasma pyrolysis transforms fungal chitin into nitrogen or boron-doped UNCD c

See how solvothermal sulfonation converts waste polyethylene into high-capacity carbon fibers f

See how segmenting carbon fiber nonwoven fabric into sheets ≤1000mm width enables uniform tensi

See how a nitrogen-doped carbon fiber separator adsorbs lithium polysulfide to prevent shuttle

See how composite conductive polymer coatings with flexible matrices resolve the conductivity-f

Low-temperature mixed-acid sonication adds —OH and C═O groups to carbon felts, improving vanadium redox activity and flow battery efficiency.

A detachable rechargeable battery powers steam ironing without AC access, enabling crease removal in locations with limited electricity.

A phosphonate additive helps non-aqueous electrolytes suppress gas generation and solvent decomposition, preserving discharge capacity at high temperature.

Inclined inflow ducts create swirling flow in the main channel, improving reactant distribution uniformity across a fuel cell stack.

Embedded elastic structural elements in a bipolar plate improve stack pressure distribution, reduce MEA ingress, and remove separate compression springs.

Double-sided electrode patterning increases active area, improves fluid paths, and lowers gas transfer resistance in polymer electrolyte fuel cells.

Controlled heat and pressure turn lignin precursors into carbon foam with uniform pores, tunable properties, and high compressive strength.

Vacuum drums and adhesive transfer align carrier frames and membranes precisely, preventing slippage during continuous MEA production.

A phosphorus-based electrolyte additive forms stable electrode films to cut charge resistance and preserve battery output and capacity at high temperatures.

A porous silicon support with holes and continuous electrode layers boosts areal power while preserving thin-film strength and reducing process steps.

A separator film with lithium-alloying inorganic particles suppresses dendrite penetration while improving coulombic efficiency, cycle life, and safety.

A nanoporous Pt catalyst layer formed by deposition and leaching boosts PEMFC mass activity and durability while cutting platinum use.

Fluorinated dioxolane compounds in a nonaqueous lithium-ion electrolyte raise flash point, improve stability, and limit dendrite formation.

Dense sulfonic acid groups and a C-H bond main chain improve phase separation, proton conductivity, and chemical stability in fuel cell ionomers.

Defect sites in a graphene-based coating capture dissolved catalyst particles, limiting fuel cell catalyst loss and preserving electrocatalytic durability.

A halogen-based solvent blend keeps solid electrolyte particles dispersed while preserving lithium ion conductivity for dense, low-pinhole membranes.

Fluorine occupies local coordination sites to stabilize metal-nonmetal-carbon catalysts, improving ORR activity and corrosion resistance.

A maleimide-modified polyolefin adhesive layer improves battery case bonding and high-temperature stability for better impact resistance.

Cation-ordered niobium oxide secondary particles improve lithium-ion transport, packing density, and cycling stability in fast-charging electrodes.

Specific electrolyte additives and a high-nickel cathode composition raise thermal runaway temperature while preserving battery energy density.

Heat-treated iridium oxide resists hydrogen reduction and dissolution, preserving OER activity and power density during fuel starvation.

Gas occlusion bodies release stored gas under energy input to peel the base sheet cleanly and protect fuel-cell catalyst layers from cracks and holes.

Sequential reslurry and displacement washes cut Ca, Mg, Na, chloride, and chlorate impurities in delithiated battery intermediates.

An elastic ion-conductive anode layer suppresses lithium dendrites and side reactions while improving cycle life and energy density.

Displacement plating on a projected semiconductor surface forms needle-like catalyst structures that raise surface area while limiting noble metal use.

Nitrogen-doped conductive carbon black anchors platinum more uniformly at high loading, improving activity, stability, and carbon corrosion resistance.

A series-linked LFP-LTO cell structure self-balances voltage to limit electrolyte decomposition while improving safety and charge-discharge life.

A monoclinic niobium-tungsten composite oxide anode raises capacity and conductivity for lithium-ion batteries with fast charge-discharge.

A bimodal porous silicon anode with carbon coating buffers volume expansion and cuts electrolyte side reactions to improve capacity and cycle life.

Dual anode catalysts let a PEM hydrogen pumping cell oxidize CO and recover hydrogen from fuel exhaust without air bleed.

A carbon-supported Pt-alkaline earth alloy with a Pt overlayer improves ORR durability and activity while lowering platinum use in electrochemical cells.

A styrene-butadiene and carboxymethylcellulose binder pair stabilizes SO2-based battery electrolytes at high charge potentials while improving safety.

A PIM-based binder boosts oxygen transport in fuel cell electrodes while preserving proton conductivity and reducing platinum demand.

Hole caps keep separator through-holes open under compression, preserving sealability and smooth reactant and coolant flow.

An anti-reflective substrate, conductive wiring, and ion polymer layer keep skin bio-signals stable under wet or dry long-term wear.

Sulfur-oxygen functionalized carbon supports cut PFSA ionomer use while preserving proton transport and catalyst durability in fuel cell electrodes.

Dynamic probability updates make electrical fault trees transparent and customizable while improving failure mode assessment accuracy.

A multilayer columnar electrode with dissimilar oxide stacking and a porous collector suppresses sintering while preserving catalytic activity and strength.

Binding ion exchange material to catalyst helps fuel cell electrode layers resist cracking from evaporation and membrane swelling under wet conditions.

A release-sheet transfer process bonds electrode layers to phosphoric acid-doped membranes while limiting acid leakage and contact resistance.

Clathrate-bound cerium or manganese ions and nitrogen compounds suppress radical damage while limiting ion migration that poisons fuel cell catalysts.

A fluorosulfonic salt electrolyte forms a protective film on high-Ni cathodes, limiting impedance rise and preserving high-rate cycle life.

A conductive coating on Li3+x+aV1−xMxO4+a/2 particles improves electron transport while preserving high battery capacity and charge-discharge performance.

Crossed carbon nanotube reinforcements and alkali metal doping improve conductivity, strength, and fracture strain without brittle failure.

A phosphate-carbonate electrolyte cuts flammability and byproduct evolution while supporting ionic conductivity and stable SEI formation.

Sequential metal and ceramic powder filling creates a uniform fine-pore metal support surface for low-temperature thin-film SOFC fabrication.

Optimized electrode thickness, parallel flow channels, and corrosion-resistant end plates raise vanadium flow battery stack power density and stability.

Using anhydrous amorphous iron phosphate, spray drying, and protective-gas calcining cuts rotary kiln energy use and magnetic impurities.

Vacuum manifolds hold porous fuel cell electrodes flat while a laser cuts along a gap, avoiding tool damage, heating, and particulate contamination.

A trimethylsilyl-pyridine electrolyte additive stabilizes the SEI, removes Lewis acids, and limits resistance rise and swelling at high temperature.

Tungsten doping in a mixed-cation layered cathode boosts specific capacity while stabilizing the structure to limit fading during cycling.

A graded buffer layer enables a dense gas-tight electrolyte on a metal-supported SOFC while reducing interfacial stress and Cr diffusion.

A multi-additive battery electrolyte forms a stable low-impedance interface film to cut gas generation, lower resistance, and improve cycle life.

Peroxide-assisted oxidation of iridium powder yields a pseudo-amorphous OER catalyst that balances activity, stability, and low chloride contamination.

Polar solvent treatment forms a protective passivation layer on Li6PS5Cl, improving ionic conductivity and suppressing dendrites.

Aligned graphene layers in a graphite anode improve lithium insertion uniformity, reduce edge-film loss, and stabilize battery capacity.

Polymer electrolyte fibers and a controlled P/Pt ratio reinforce the catalyst layer to limit cracking while preserving proton conduction and gas diffusion.

Dense-plasma CVD with a Cr buffer layer gives large battery electrode rollers uniform, low-friction, heat-resistant non-stick coatings.

Using two reference electrodes with different active materials helps correct drift and improve long-term SOC, SOH, and lithium plating detection.

Surface-enriched metals on nickel-rich cathode particles improve Li-ion cycle life while limiting gassing and resistance growth.

A dual-layer microporous separator balances permeability with thermal stability to resist lithium dendrite penetration and battery short circuits.

Dual-molecular-weight CMC stabilizes carbon nanotube negative-electrode slurry, cutting resistance while reducing dispersion time and peeling.

Tetravalent-element-doped vanadium oxide improves electron conductivity and Li insertion, raising capacity and charge-discharge performance in solid-state batteries.

Controlling primary particle area and solution flow rate helps nickel hydroxide precursors raise initial charge-discharge efficiency in battery cathodes.

Light-driven photosynthetic microorganisms replace complex reduction molecules in a bolt-fastened biofuel cell for simpler, continuous power generation.

Water grinding and oil agglomeration remove binder from spent cathode material while preserving morphology and improving purity and yield.

A core-shell composite polymer coating helps battery separators bond to electrode sheets while keeping thermal shrinkage below 5% at 130°C.

Dual dopants stabilize layered sodium-ion cathodes by confining oxygen and supporting the lattice, reducing cycling gas and swelling.

Inclined inflow ducts create swirling flow in a fuel cell bipolar plate, improving reactant distribution and pressure loss across stack cells.

A fluorinated ether additive and anti-solvent create a protective lithium interface that suppresses dendrites and side reactions while preserving output.

Elastic pressing matched to silicon-oxide content suppresses battery cell swelling, gas generation, and pack life loss.

A three-part electrolyte additive forms a stable low-impedance electrode film to suppress high-temperature gas generation, swelling, and impedance rise.

A tuned carbonate electrolyte suppresses high-voltage side reactions and cycle gas generation while maintaining conductivity and initial impedance.

A halide underlayer plus phosphate overlayer shields positive electrode particles, reducing side reactions and nickel dissolution while preserving capacity.

A boric-acid-protected carbon-coated fast-ionic conductor helps cathodes improve ion and electron transport while limiting carbon escape.

Dispersing sub-10 nm active particles in an amorphous Si-O-C matrix raises active-phase use and cuts irreversible capacity in Li-ion anodes.

A sulfonate and P/Ca/Sr/B/Zr/Al interlayer protects high-nickel layered cathodes from HF while lowering reaction resistance during fast charging.

Sulfonate-coated fine lithium nickel oxide particles suppress high-temperature gas generation while preserving charge capacity and battery reliability.

Mixed lithium nickel oxide particle sizes and higher sulfonate coverage on larger particles cut interfacial transfer resistance in non-aqueous batteries.

Cyclic ether ion-exchange polymers improve oxygen permeability and catalytic activity in carbon alloy catalyst layers for higher fuel-cell power efficiency.

A polymer-coated carbon fiber gas diffusion layer balances bending stiffness and flexibility to prevent embrittlement under fuel cell loads.

UV-cured pattern layers between the separator and subgasket improve gasket airtightness while cutting patterning time, cost, and process complexity.

Integrated board alignment features combine assembly and stacking functions to cut dead space and improve bipolar plate positioning in fuel cell stacks.

Rapid freezing of water-wetted graphene precursors creates defects that raise porosity and catalyst access while preserving durability.

A high-melting protic ionic liquid buffer layer blocks phosphate poisoning at the catalyst while preserving proton transport in HT-PEMFCs.

A chained oxide support with 25-80 nm secondary pores improves water discharge and gas diffusion, sustaining catalyst performance in high humidity.

An amide compound with an electron-withdrawing group captures dissolved metal ions in nonaqueous electrolytes, limiting negative-electrode deposition.

Acidic leaching with alkyl carbonates reduces Ni, Co, and Mn oxides to improve metal recovery and purity from lithium-ion battery materials.

Alternating graphene and non-platinum catalyst layers raise conductivity and active-site use, cutting PEM fuel cell catalyst cost.

An ionic liquid and amine gas scavenging pouch captures CO2 inside pouch cells to limit swelling, venting, and battery degradation.

Controlled 5-10 nm pore structure in a fuel-cell carbon catalyst carrier suppresses flooding and improves durability under high voltage.

A crosslinked gel polymer electrolyte improves ionic conductivity and oxidative stability to suppress lithium dendrites and extend battery life.

Controlled water content in a fluoropolymer binder system prevents slurry thickening while preserving current-collector adhesion in secondary batteries.

Selective precipitation removes manganese and impurities before one liquid-liquid extraction, yielding battery-grade nickel salt solution without crystallization.

A tracer element added to battery active material preserves origin and recycling history, enabling elemental tracking of recovered Ni, Co, and Li.

Low-sodium NMC hydroxide and ammonium hydrogen carbonate washing reduce impurity-driven aggregation and improve lithium-ion cathode capacity.

A phosphite-silicon electrolyte additive captures oxidation byproducts and acids to build tougher SEI films and improve battery cycle life.

Mist drying and annealing control lithium-cobalt stoichiometry to produce high-purity cathode particles with better high-voltage cycle life.

A conformal SrCoTaO bilayer coating stabilizes SOFC oxygen electrodes by reducing Sr segregation, lowering resistance, and sustaining ORR performance.

A porous metal-supported cathode carrier limits crown ether migration and catalyst poisoning while preserving fuel cell durability and IV performance.

A nickel-ceramic cermet support protects thin SOFC electrolytes from redox and thermal cycling damage while reducing crack risk.

A three-additive non-aqueous electrolyte suppresses high-voltage decomposition, lowers impedance, and improves lithium battery cycle and high-temperature performance.

Controlled recrystallization, phase separation, and reduction annealing repair grain boundary corrosion cracks in porous metal battery structures.

An orthocarbonic acid ester solvent at 40 wt% or more suppresses negative-electrode decomposition and improves lithium metal battery stability.

Vacuum plates hold standalone membranes during MEA lamination to prevent delamination, wrinkling, and subgasket binding defects.

Internal voids in aggregated cathode particles help limit resistance changes across depth of charge while preserving lithium secondary battery capacity.

A fiber and inorganic composite separator layer improves adhesion on lithium battery electrodes while controlling heat generation in thin-film cells.

An acrylic shell on a perfluorinated resin core improves electrode adhesion and shell coverage while keeping particle size uniform.

Specific electrolyte additives complex transition metal ions and neutralize H+ to curb gas generation in high-nickel lithium-ion cells.

Controlled electrochemical corrosion and current monitoring reveal hidden rebar damage, enabling precise concrete repair boundaries.

Heating and bonding separator layers fixes electrode position during stacking, improving assembly stability and capacity per unit volume.

A passive in-tank reactor converts hydrogen to protons to stabilize pH and ion balance in sealed aqueous flow batteries.

Spherical non-porous hard carbon avoids grinding-induced defects and oxygen groups while improving sodium-ion electrode performance.

A dual-conductive polymer replaces separate binders and conductive additives, improving electrode stability, conductivity, and capacity.

A porous Ni-Cu-CeO2 current collector reforms hydrocarbon fuel inside SOFC stacks, cutting carbon deposition without added pre-reformers.

A fluorinated ether in a nitrile-rich electrolyte keeps high-salt lithium batteries wettable, cutting activation time and polarization.

A chain carbonate and high-oxidation-potential solvent blend improves high-voltage Li-ion cycling, storage stability, and overcharge safety.

Metal cations in an MXene film and conductive gel cut electrode impedance and improve biosignal sensing sensitivity.

Preloaded activator ionomers in the membrane and electrodes cut high-temperature PEM fuel cell activation from 30+ hours to 10 hours or less.

Larger-radius cations in layered cathodes widen oxygen-layer spacing, reducing cracking while supporting higher energy density and cycle life.

An asymmetric gas diffusion layer layout helps a fuel cell resist cold-start pressure imbalance, limiting frame bending and MEA peeling.

A zigzag continuous separator with conductive and insulating layers limits lithium precipitation while preventing short circuits in lithium metal cells.

A one-step metal corrosion route forms a sulfur-doped Fe-Co-Ni catalyst on metal substrates, improving conductivity and stability without adhesives.

Charging halide-electrolyte solid-state batteries above 4.0 V unlocks reversible redox capacity while preserving electrolyte function.

Melt-quenching Li2S, B2S3, B2O3, and LiX forms a glass electrolyte that balances high ΔTx with ionic conductivity for safer solid-state batteries.

An ionic liquid coats metal oxide surfaces to suppress ester solvent decomposition and preserve conductivity in electrochemical sheets and power storage devices.

Hierarchical primary and secondary oxide particles improve first discharge capacity, reduce fading, and boost flowability in Li-ion cathodes.

Multi-element doping in a sodium-ion polyanionic cathode improves specific capacity while preserving structural stability through cycling.

Separate ternary and lithium-containing phosphate cells in parallel avoid slurry processing defects while improving energy density and cycle life.

Selective oxidation at pH 6.5-7 precipitates MnO2 from manganese-copper solution, speeding high-purity manganese recovery with low pollution.

A graphite-filled microporous layer cuts through-thickness resistance while preserving gas diffusion and water drainage in fuel cells.

A thiazole-type electrolyte additive forms a dense, stable negative-electrode film that suppresses decomposition and helps retain capacity over cycles.

A starch-based gel medium improves Mn/Fe and dopant uniformity in iron manganese phosphate precursors, boosting LFMP cycling stability.

Acid leaching, filtration, and selective extraction recover lithium, nickel, cobalt, and manganese while cutting battery recycling pollution and cost.

Rapid cooling after heat treatment raises metal oxide conductivity for membrane-electrode assemblies while preserving acidic stability.

An electrolyte rich in Formula 1 solvent and FEC stabilizes the Si-anode SEI, improving high-temperature cycling and storage.

An imine lithium salt electrolyte and 85-95% cell group margin help Li-Ion batteries raise energy density without sacrificing cycle life or rate performance.

A mixed Ru-Ir oxide powder balances OER activity and acidic stability while cutting iridium loading through controlled composition and conductivity.

A controlled lithium hydroxide surface phase on O2-type Li-containing oxide suppresses electrolyte decomposition and improves battery cycle retention.

A dual-catalyst anode converts hydrogen while oxidizing CO to CO2, improving fuel cell CO tolerance with low platinum loading.

A sulfone-imidazole additive forms an SEI that limits LiPF6 decomposition, reducing resistance growth during high-temperature storage.

A cyclic and chain ester electrolyte with tuned anode density cuts low-temperature impedance and improves capacity retention.

Specific fluorinated carbonate additives stabilize the positive electrode interface and improve high-temperature intermittent cycling in lithium-ion batteries.

A perimeter barrier in a fuel cell MEA blocks Fe2+ and other external contaminants, protecting membrane chemistry and extending service life.

A two-stage pH-controlled precipitation route forms spherical Ni-Co-Mn hydroxide precursors with tighter size distribution for longer-life lithium-ion cathodes.

Composite silicon particles with a titanium-based functional material relieve expansion stress and preserve conductivity for better cycle life.

Electrolyte additives stabilize lithium salt and suppress HF formation, enabling high-density negative electrodes with less cycle-life loss and swelling.

Hydrothermal sulfuric acid leaching recovers manganese and lithium from waste lithium manganate cathodes with lower energy use and no waste gas.

Ionomer-free catalyst coatings on porous liquid/gas diffusion layers simplify PEM electrode fabrication and improve high-current stability.

Nitrogen and transition metal doping in hard carbon anodes improves conductivity and reversible capacity without relying on higher sintering temperatures.

Charging-induced DRX-to-spinel phase switching with fluorine doping improves lithium diffusion, rate capability, and voltage retention in lithium batteries.

Using 4H/fcc Au nanorod seeds, this case shows mild epitaxial growth of Pt-based nanoislands for stable, efficient alcohol oxidation.

Ultrasonic cutting shortens platinum nanowires to match carbon support size, improving dispersion and oxygen reduction catalyst activity.

A built-in foam buffer absorbs high-expansion anode swelling to hold cell pressure, protect electrodes, and prevent prismatic case deformation.

Sulfur dioxide solvent and chelate salts improve Li-ion electrolyte thermal stability, hydrolysis resistance, and non-flammable safety.

Fibrous conductive additives and controlled electrolyte thickness balance conductivity, capacity, and short-circuit resistance in all-solid batteries.

Polymeric surfactants help milled ceramic particles stay uniform and less agglomerated, improving aerosol-deposited layers for electrochemical cells.

A PrCoO3-coated perovskite oxygen electrode and proton-conducting electrolyte speed ORR/OER while resisting steam and chromium degradation.

An MEA-based fuel cell sensor detects gas leaks and composition changes with ambient-air reference sensing and minimal parasitic power loss.

An inner reinforcing layer protects the battery pouch film during forming, preserving sealant thickness, insulation resistance, and corrosion resistance.

A high cyclic-carbonate electrolyte with selected additives and 70-90% discharge depth limits sulfide cathode side reactions and capacity loss.