Positive Electrodes TRIZ Cases

Inorganic phosphorus compounds create a protective film on the positive electrode to suppress metal ion elution and gas generation during floating storage.

Silane and phosphate electrolyte additives suppress decomposition in high-nickel batteries, improving cycle life.

A nickel-based active material features a secondary particle with a radially arranged outer portion and an irregularly porous inner core.

A gradient lithium metal oxide cathode structure with controlled particle composition.

Carbon nanotubes in the positive electrode mixture layer improve electron conductivity, reducing resistance when increasing active material density.

A spinel-type lithium manganese composite oxide expands the high potential capacity region through specific crystal structure modifications.

Reacting elemental metals with oxalic acid forms metal oxalate precursors, eliminating sulfate purification steps and reducing waste streams.

A lithium metal phosphate coating on a nickel-based core reduces interface resistance to improve cycle-life characteristics.

Lithium-rich precursor electrodes activate via Li2O extraction to boost electrochemical discharge capacity.

A non-aqueous electrolyte battery production method balances electrode resistance using a co-precipitated active material and mixed conductive aids.

Cross-linked polymer network layer enables ionic and electronic conduction between cathode active material and electrolyte separator.

A composite positive electrode material combines olivine lithium manganese phosphate with spinel lithium manganate for high-capacity energy storage.

A lithium complex oxide sintered plate uses a bimodal pore diameter distribution to disperse mechanical stress across the material structure.

A bimodal cathode formulation combines small and large lithium ion particles to boost pulse power and energy density.

Water washing adjusts particle properties of nickel-lithium metal composite oxide powder to resolve density-capacity trade-offs in lithium ion batteries.

Coating lithium manganese composite oxide particles with a metal and carbon layer improves output characteristics at charging voltages exceeding 4.3 V.

A positive electrode active material uses a metallic film on primary particles to balance reaction area with electrolyte protection.

Urea decomposition controls nucleation and growth to resolve low density and broad particle size distributions in cathode-active materials.

Graded active material coating prevents electrolyte decomposition while maintaining discharge voltage and output characteristics.

A fluorine-doped spinel coating layer enhances chemical stability and lithium ion mobility in cathode active materials.

Laser ablation forms channels in sulfur electrodes to increase surface area and resolve manufacturing complexity trade-offs.

A multiphase cathode active material combines layered and spinel structures to enhance lithium-ion battery performance.

Agglomerated hexagonal and cubic primary particles enhance lithium ion movement, resolving the trade-off between capacity and high-temperature stability.

A positive electrode active material layer balances tap densities and porosity to maintain a controlled occupancy ratio.

A fluorine-containing compound adheres to lithium nickel cobalt manganate particles to form a protective surface layer.

A carbon-coated lithiated phosphate positive electrode material enhances electronic conductivity through surface electron conduction.

Metallic and halide doping stabilizes the lithium cobalt oxide crystal lattice, enabling reliable high voltage operation.

Mixing zirconium-modified cathode material with standard oxide resolves the contradiction between high energy density and low-temperature safety risks.

A lithium sulfide carbon composite electrode mitigates capacity fading and prevents dendrite growth through a continuous aerosol spray pyrolysis process.

Composite coatings with Li3PO4 and zirconium oxides suppress residual lithium formation and swelling, enabling stable high-voltage operation.

A high-nickel positive electrode active material uses a doping metal concentration gradient to suppress Li by-products and improve structural stability.

A doped lithium cobaltite cathode uses nickel and manganese enriched islands to reduce electrical conductivity.

A secondary battery positive electrode active material features a multilayer structure with varying nickel concentrations.

A positive electrode layer generates lithium and gas to increase electrical resistance, preventing exothermic decomposition of the electrolyte solution.

A layered LiNiO2 positive electrode active material achieves high energy density and cyclability through precise compositional control.

An MH2PO2 compound coating on the positive electrode prevents electrolyte decomposition during high-temperature charging, preserving capacity retention.

Magnesium doping stabilizes the crystal lattice to prevent cobalt elution, preserving capacity retention under high-voltage operation.

Atomic layer deposition selectively deposits oxides, fluorides, or nitrides on lithium carbonate cathodes to optimize surface composition.

Hierarchical porous carbon cathodes microconfine sulfur and suspend polysulfides to enhance lithium ion transport.

Porous functionalized carbon sequesters polysulfides to prevent shuttle losses while sustaining high discharge rates in lithium-sulfur batteries.

A positive electrode material mixture combines particulate, fibrous, and plate-shaped conductive agents with crystalline and amorphous binders to form a uniform conductive network.

Transition metal-X—C chemical bonds repair lattice interface damage and increase gram capacity in nano-sized cathodes.

Oxalic acid digestion of metal salts forms oxide precursors, resolving lithium stoichiometry and pH control issues in cathode manufacturing.

Island-shaped polymer additives disperse within positive electrode active material layers to manage thermal events.

A positive-electrode active material uses a lithium ion conductor to enhance diffusion, resolving structural stability deterioration during lithium abstraction.

Li-Ni composite oxide particles stabilize crystal structures during charge cycles, preventing Jahn-Teller distortion and improving first-cycle efficiency.

Optimized lithium-transition metal composite oxide maintains crystal structure stability while increasing nickel content to improve charge-discharge capacity.

Carbon nanotubes bridge gaps between primary particles in lithium nickel composite oxide electrodes to establish continuous conductive paths.

Alkaline soaking dissolves waste lithium cobaltate cathodes, followed by ball milling with magnesium and titanium sources to create co-doped material.