Cell Electrodes TRIZ Cases

Partially reduced N-type organic materials provide a stable reference potential for monitoring battery and supercapacitor electrodes in organic electrolytes.

Silane coupling additives form a protective cathode interface that limits metal dissolution and extends cycle life in high-nickel lithium-ion cells.

Localized water-retaining components keep the positive active material hydrated, improving ionic conductivity while limiting gas buildup and drying.

Controlling the base-to-acid functional group ratio in an oxygen reduction catalyst suppresses layer cracking and improves durability.

Cryogenic crushing with liquid nitrogen and Brazil nut layer separation improves aluminum residue recovery while reducing binder interference and safety risk.

Pre-cracked nickel-rich NMA particles with lithium phosphate coating reduce fracture and surface degradation while improving high-voltage cycle life.

A supported nickel-noble metal intermetallic with tetragonal ordering limits metal leaching while sustaining electrochemical activity.

Using xylylene diamine in lithium battery electrolyte suppresses polysulfide shuttle, protects lithium metal, and supports stable charging.

A fibrous phenolic-resin binder and pore-gradient carbon paper improve PEM fuel cell water discharge, strength, conductivity, and crack resistance.

Controlled equivalent weight and low craze ratio help redox flow battery membranes limit swelling, self-discharge, and cracking.

An alkoxyethane electrolyte stabilizes SEI on silicon anodes and CEI on high-voltage cathodes to improve cycle life and safety.

Metallic cation additives in alkyl carbonate electrolyte form a sodium alloy interphase that suppresses parasitic anode reactions and extends cycle life.

Carbon-coated plastic mesh electrodes and ribbed spacers improve hybrid flow battery plating, cut side reactions, and lower electrode cost.

A fluorinated carbonate-ester electrolyte protects high-voltage Li-ion cells from oxidation and flammability while preserving capacity retention.

Heat-dissipation materials embedded in a fuel cell catalyst layer conduct exothermic heat away and help prevent membrane-electrode assembly degradation.

A biphasic lamellar ionomer creates a hydrophobic cathode surface that limits flooding, improves oxygen transport, and strengthens substrate adhesion.

A dual composite-oxide cathode and sulfonylimide electrolyte suppress side reactions, helping non-aqueous batteries keep capacity over cycles.

Acrylic resin and polysaccharide binder ratios improve fibrous carbon dispersion, raising capacity retention and limiting side reactions.

Fibrous catalyst layers and a gas diffusion layer with 1.0-3.0 s Gurley value help prevent cracking and stabilize fuel cell power output.

Hard conductive particles in a resin separator layer pierce oxide films to lower contact resistance without PVD, CVD, or acid cleaning.

A PVDF-HFP carbon ink forms hydrophobic PEMFC microporous layers on active layers without toxic solvents or high-temperature sintering.

Frame-supported segmented MEAs limit membrane-gasket overlap, reducing bonding wrinkles, gas leakage, and membrane waste in fuel cell production.

A boron-containing electrolyte additive forms a stable SEI that suppresses decomposition, improving Li-ion battery life and high-temperature stability.

Replacing alkali-metal ions with transition-metal electrodes and a carbon-host cathode improves battery stability, safety, and cycle life.

Ultrasonic core-shell formation and annealing control catalyst nanoparticle growth while improving alloy uniformity, activity, and durability.

Ultrasonic precursor mixing in porous carbon confines alloy growth during annealing, improving catalyst durability, activity, and platinum use.

One-pot transition-metal doping stabilizes porous silver catalysts, improving oxygen adsorption and reducing peroxide formation in fuel cells.

Ultrasonic precursor treatment forms a noble-metal-skin ternary alloy catalyst that limits phase separation and metal elution in fuel cells.

An ester-based electrolyte with low EC content improves ionic conductivity and electrochemical stability for sub-zero battery discharge.

Metal divider sheets block coolant from reaching fuel cell gas diffusion layers while preserving cooling flow and conductivity.

Ultrathin 2D metal and metal phosphide nanosheets increase surface area and conductivity, enabling simpler mass-produced platinum-free hydrogen catalysts.

Decoupled compression and sensing frames limit load-induced distortion, improving battery cell thickness measurement under compression.

Low-temperature heat treatment under reducing conditions stabilizes oxyfluoride cathodes, cuts defects, and improves battery cycle life.

Acetonitrile and vinylene carbonate raise Li-ion mobility for quick charging while HF control improves high-temperature battery durability.

A porous conductive layer bonded to carbon-fiber composite cuts fuel-cell reagent head losses while preserving electrical contact and rigidity.

A two-stage catalyst slurry keeps the OER catalyst exposed, limiting carbon corrosion and improving fuel cell stability under reverse voltage.

Fibrous oxide catalyst layers create pores that drain water and improve gas diffusion in polymer electrolyte fuel cells under high humidity.

A porous core and radially aligned nickel precursor grains increase electrolyte contact, shorten Li-ion paths, and ease cycling stress.

A layered catalyst gradient concentrates platinum near the membrane to maintain fuel cell output while cutting noble metal use and cracking risk.

A dual-hysteresis porous carbon carrier improves gas diffusion in fuel cell catalyst layers, cutting high-current overvoltage and boosting output.

Controlled bonding strength and separator friction help electrochemical cells resist drops, suppress wobble, and reduce leakage and short-circuit risk.

A carbon-polymer electrode with an OER catalyst lets a redox flow battery switch to hydrogen production while improving seasonal storage life.

A nitrile-substituted thiophosphate additive forms a stable interface that suppresses oxidation, gas generation, and capacity loss in high-temperature Li-ion cells.

A high-melting PVDF binder limits NMP swelling and sedimentation, enabling smoother electrode coatings with less solvent and faster drying.

An all-ceramic SOFC stack replaces metal interconnects with thin ceramic layers and catalyst infiltration to improve strength, conductivity, and life.

A graded cathode and CNT-carbon black network cut internal resistance to improve lithium-ion battery stability, output, and low-temperature use.

Controlled BET-to-pore surface area ratios help perovskite oxide powder balance gas diffusion and material density for higher SOFC voltage.

Land-surface protrusions create capillary condensate paths between the separator and gas diffusion layer, reducing trapped water and contact resistance.

Graphene quantum dots improve Pt dispersion, boosting alcohol oxidation activity and poisoning resistance in lower-cost DAFC anodes.

A crosslinked water-based electrode binder improves adhesion to active materials and current collectors, limiting peeling during charge-discharge cycling.