Fuel And Primary Cells TRIZ Cases

Controlled pore size in a wet nonwoven separator improves alkaline battery short-circuit shielding while preserving KOH liquid retention.

A 3D porous multi-metal catalyst balances ORR and OER activity with stability, enabling rechargeable zinc-air batteries with better cycling.

A separate charging liquid removes solid lithium peroxide from the positive electrode, cutting charge time and limiting electrode degradation.

Circulating electrolyte removes spent slurry and rebuilds a compacted metal-air anode inside the cell, avoiding dismantling and reducing downtime.

Oxygen-substituted halide solid ion conductors improve lithium-electrode stability while maintaining ion conductivity and cycle performance.

Iron- or manganese-oxide particles on graphenic carbon improve ORR/OER kinetics and cycle stability in rechargeable Zn-air batteries.

Separate electrolyte storage and capillary transfer let this air battery activate cleanly while limiting self-discharge and leakage.

Graphene integrated with CuF2 nanoparticles improves cathode conductivity, structural stability, and lithium-ion diffusion for higher energy density.

An oxide protective layer on a lithium anode lowers solid-electrolyte interfacial resistance, suppresses dendrites, and helps prevent short circuits.

A shared electrolyte reservoir placed near zinc anodes cuts evaporation, preserves reversibility, and raises zinc-air battery specific energy.

A 3D nanostructured cathode and neutral salt electrolyte replace rare metals and strong alkali, easing battery disposal and handling.

Sodium-stabilized bismuth ruthenium oxide improves oxygen reaction activity while suppressing synthesis by-products and post-treatment.

A 3D co-continuous air electrode with mesoporous carbon boosts oxygen adsorption and discharge capacity without lead, indium, or rare metals.

Minimal vent area plus an amphoteric fluorosurfactant electrolyte improves oxygen use while limiting moisture and CO2 exposure.

Setting a 500 ppm sodium limit in electrode binders and electrolyte reduces side reactions that drain capacity, efficiency, and cycle life.

Carbon fibers placed in electrode grooves cut gas diffusion layer weight while preserving oxygen transport and low voltage loss.

Mesoporous Pt alloy particles with an L10 structure limit ionomer contact while sustaining proton and gas access for higher fuel-cell activity.

A cylindrical aluminum-air cell keeps the cathode-anode gap stable while circulating electrolyte and collecting hydrogen for safer high-power use.

A bacterial cellulose-chitosan solid electrolyte helps aluminum-air batteries balance energy density, cycle stability, and low-cost manufacture.

A pressure heat-treated porous phosphosulfide electrode structure boosts charge capacity and cycle life while lowering battery fabrication cost.

A bacterial cellulose-chitosan fiber network with DNA or piperidone groups boosts ionic conductivity while preserving flexibility and thermal stability.

An S- and F-containing passivation layer on a metal anode stabilizes SEI formation to improve battery efficiency, capacity, and lifespan.

A sacrificial electrode on the second end plate protects the high-potential cell side from ion-driven corrosion and preserves fuel cell integrity.

Flow-directing electrolyte paths spread alkaline solution evenly over anodes while increasing shunt-current resistance in metal-air cells.

A cellulose-chitosan anion exchange membrane improves OH- conductivity, supports wide-temperature operation, and lowers hydrogen cell cost.

Transition metal atoms anchored in ordered mesoporous carbon boost oxygen reduction activity, improve stability, and cut platinum use.

Waste heat from aircraft propulsion is redirected to a metal-air fuel cell to boost power density and shed expended electrolyte mass.

A wound electrode stack uses a flexible binder-free nanostructure cathode to raise metal-air battery capacity without brittle handling limits.

A hafnium-based perovskite solid electrolyte resists LiOH-driven deterioration while preserving ion conductivity and reversibility in lithium-air batteries.

An alkyl glucoside electrolyte suppresses negative electrode corrosion in metal-air batteries while preserving air electrode performance and discharge capacity.

A COF catalyst coordinated with metal nanoparticles lowers ORR/OER overvoltage and improves zinc-air battery durability.

Immiscible liquid phases store chlorine in a non-polar solvent, enabling membraneless electrochemical cells with safer, higher-density energy storage.

A porous coating beside the zinc negative electrode restrains Zn(OH)4 2- diffusion, limiting ZnO segregation and cycle capacity loss.

Concentrated oxygen supply, anode inertization, and ultrasonic cleaning help metal-air batteries resist passivation, clogging, and low oxidant flow.

A staged low- and high-temperature hydrothermal route forms a Co4N-phase cathode electrocatalyst that stabilizes voltage and extends metal-air battery life.

A thin metal bonding layer stabilizes a porous metal-air battery cathode, preserving conductivity, oxygen access, and cycle life.

A dendrite buffer layer inside an LDH separator confines zinc growth through defects while preserving ionic conductivity and battery life.

Modular stack assembly enables easy anode replacement, uniform electrolyte flow, and safe hydrogen dissipation in metal-air fuel cells.

Natural convection and porous media move electrolyte through a metal-water cell without pumps, cutting parasitic loss and component count.

A graphenic iron- or manganese-oxide catalyst improves ORR and OER stability in Zn-air batteries while avoiding costly noble metals.

Zinc microparticle filaments with chitosan and Al2O3 coatings regulate oxidation to deliver biocompatible implant power with controlled current and lifespan.

A dual-pore cathode separates oxygen transport from lithium oxide storage, preserving airflow, capacity, and cycle life in lithium-air batteries.

Adding sodium to bismuth ruthenium oxide stabilizes composition in alkaline electrolyte while maintaining strong oxygen reduction and generation activity.

Lithium salts and ether compounds form a reversible gel electrolyte that limits leakage and flammability while maintaining battery conductivity.

A soluble metal-complex carbon catalyst boosts oxygen reduction beyond platinum-carrying carbon while simplifying electrode formulation.

Controlling organic nitrogen additive loading limits metal surface coverage, boosting oxygen reduction activity in fuel cells and metal-air cells.

Metal nanoclusters in a zero-gap aqueous battery convert CO2 to CO at high current density without external power or high overvoltage.