Non-Aqueous Electrolyte Accumulators TRIZ Cases

Dual coating layers on a cathode particle prevent electrolyte reactions that degrade cycle life while facilitating lithium ion migration.

A dome-shaped valve structure with a peripheral break groove releases internal gas from sealed cells.

A non-aqueous electrolyte uses lactam-based and sulfinyl group-containing compounds to form a protective solid electrolyte interface film on the anode surface.

An electrolyte composition combining ethylene carbonate and 2,2-difluoroethyl acetate resists decomposition at voltages above 4.4 V.

Composite binder composition using fluorine-containing and carboxylic acid polymers resolves the trade-off between oxidation resistance and adhesion.

Monoclinic titanium oxide negative electrode material resolves low effective capacity by optimizing d001 spacing to 6.22 Å or more.

Strategic insulator tape placement at cathode uncoated part boundaries prevents short circuits and heat emission in wound lithium ion batteries.

Thermal diffusion treatment creates an iron-nickel layer that suppresses metal dissolution and pitting corrosion in nonaqueous electrolytic solutions.

Adding a high acceptor number compound weakens B-F bonds in ionic liquids to restore fluoride anion conductivity.

Boron additives modify the solid electrolyte interphase to improve low temperature power capability while maintaining high temperature stability.

Layered anode materials enable reversible fluoride ion exchange, overcoming lithium reactivity and safety trade-offs.

A manganese spinel cathode paired with a titanium oxide anode stabilizes the electrode structure through precise capacity ratio tuning.

Fluoro-substituted carboxylic acid esters in the electrolyte prevent oxidative decomposition of solvents, enabling stable charge/discharge cycles.

Optimized hexahedral can geometry and controlled electrolyte viscosity resolve the trade-off between slim form factor and impregnation efficiency.

Segmenting current collection tabs into groups prevents breakage during ultrasonic welding, maintaining reliability across varying layer counts.

Vertical stacking of electrolyte containers expands energy storage capacity without increasing lateral area in modular flow battery systems.

Propionate-based ester compounds reduce SEI film reactivity to lower inner pressure and improve low-temperature discharging performance.

Thermal decomposition of silicon precursors forms a metallic silicon shell on carbon particles to boost lithium-ion storage capacity.

Zirconium placement at crystal grain boundaries resolves the contradiction between thermal stability and load characteristics in lithium cobalt oxide cathodes.

A laminated porous film with a heat-resistant layer on a polyolefin substrate maintains ion permeability through controlled binder resin penetration.

Replacing fluorinated salts with borate complexes eliminates hydrogen fluoride release while maintaining oxidative stability.

Elastic supporters in the casing absorb impact forces before they reach the fragile solid electrolyte layer, preventing cracks during operation.

Reducing slurry yield stress to two-thirds of its initial value resolves coating thickness non-uniformity and improves large-current battery performance.

Specific binary carbonate solvent combinations restrain decomposition and improve coulomb efficiency in fluoride ion battery electrolytes.

Polyvinyl pyrrolidone enhances slurry dispersibility to reduce binder content and prevent cycle deterioration during high current discharge.

Cathode mixture controls active material and inorganic oxide particle sizes to improve electronic conductivity and reduce binder swelling at high temperatures.

Segmented terminal plates suppress internal short circuit currents to prevent localized heating in bipolar secondary batteries.

Dissolving magnesium and aluminum ions in an etheric solvent enables reversible precipitation.

Heating fluoride and solvent mixtures below decomposition points promotes ionic dissociation, increasing ion concentration and conductivity.

A silicon-titanium-iron alloy matrix surrounds active silicon particles to provide structural stability in lithium-ion battery anodes.

Partial electrode dehydration relaxes electrolyte drying standards, reducing manufacturing complexity while maintaining battery performance.

Fluoroethylene carbonate ratio optimization enhances lithium ion conductivity in nonaqueous electrolyte batteries.

An electrolyte solution with ammonium cations prevents reductive decomposition of phosphoric acid-based flame retardants at the negative electrode.

Grooves on the sealing plate direct condensation water away from the terminal insertion hole to prevent short circuits in vertical prismatic batteries.

Controlled oxygen content and inert gas carbonization prevent oxidation reactions that increase irreversible capacity.

An anode mix combining carbon with lithium metal oxides or sulfides reduces voltage drop at low temperatures while maintaining high-temperature capacity.

Thermal fusion cures resin in separator pores to anchor bipolar battery collectors, eliminating interface leakage during cycling.

Composite graphite particles with porous structures enable electrolyte infiltration in battery electrodes.

Nested U-shaped insulating covers prevent tab-to-can contact, resolving vibration-induced short circuit risks in wound lithium ion batteries.

Vinylidene fluoride and aromatic polyester blend stabilizes wound electrode structures against high temperature degradation.

A mixed positive electrode combines nickel-cobalt and nickel-cobalt-manganese active materials to enhance lithium battery performance.

Amorphous carbon negative electrode eliminates conductive additives to increase active material ratio, reducing electrolyte reactivity and extending cycle life.

Strategic tap placement prevents swelling and improves high-rate discharge performance.

Hexagonal composite oxide active material enables high operating voltage in nonaqueous electrolyte secondary batteries.

Replacing LiPF6 with alternative salts in a carbonate solvent mixture eliminates toxic compound generation during thermal runaway.

A double-layered negative electrode uses graphitic and non-graphitizable carbon layers to enhance lithium ion acceptability.

Composite oxide positive electrode active material with controlled nickel, manganese, and cobalt ratios.

Porous ceramic electrodes in a solid-state battery reduce internal resistance, enabling thicker active layers for high power output.

Rieke active magnesium particles reduce anode resistance to 400 Ω·cm2, overcoming passivation layers that block ion transport in multivalent metal batteries.

A flat wound cell design positions electrode tabs on a single plane to optimize internal symmetry.