Positive Electrodes TRIZ Cases

Boron and sulfur electrolyte additives suppress decomposition reactions on lithium-nickel composite oxide electrodes to resolve swelling characteristics.

Cyano-containing compound A and compound B form a passivation film on the negative electrode to enhance cycle performance.

A non-aqueous electrolyte battery uses a porous positive electrode composite layer to promote gas generation for safety.

Excess lithium ions and carbon coating modify the cathode structure to reduce internal resistance and increase actual capacity.

An oxygen scavenger coating on a lithium ion cathode absorbs thermal decomposition gases, preventing runaway while sustaining capacity.

Carboxylmethyl cellulose binder with controlled polymerization degree resolves organic solvent contamination while maintaining strong binding force.

Composite oxide cathode material with calcium and magnesium substitution stabilizes layered rock-salt structure for high capacity.

Solid-liquid-solid deposition coats carbon hosts with uniform sulfur, avoiding high-energy melt infiltration to simplify preparation.

A P63mc phase positive active material manages stress through internal pores and cracks to maintain structural integrity during cycling.

Coated cathode active material with modified surface interplanar distance enhances lithium ion diffusion and electrochemical performance.

A lithium positive electrode active material with radial dopant gradients stabilizes the particle surface while preserving the high-capacity nickel-rich core.

A high nickel cathode active material uses controlled particle size distribution to maintain electrochemical stability.

Phosphorus mediator forms protective interface on ternary cathode to prevent thermal runaway while maintaining high energy density.

A lithium-nickel composite oxide with a core-shell structure optimizes c-axis length to enhance crystallinity.

A core-shell composite cathode material uses doped secondary particles to maintain structural integrity during cycling.

A lithium battery positive electrode coating layer containing fine LiFePO4 particles and an aqueous binder enhances thermal stability.

Mixed pore carbon carriers confine sulfur to prevent polysulfide leaching while maintaining electron transfer pathways for higher energy density.

Inhomogeneous composite electrodes suppress voltage fade by combining high-capacity layered cores with stable spinel surfaces.

Positive electrode active material particles with controlled magnetic susceptibility mode enhance electrical conductivity and lithium ion migration.

Filamentary branching structures reduce electrical resistance in active films, enabling faster charge rates and higher power density.

Tethering water-soluble molecular catalysts to ionomers in fuel cell cathodes boosts current density while lowering manufacturing costs compared to platinum.

A lithium fluoride aluminum cover layer with a concentration gradient suppresses electrolyte oxidative decomposition while maintaining low resistance.

An additive containing metal oxide and intramolecular alkenyl phosphate compounds fills gaps between particles to prevent electrolyte decomposition.

Chromium doping in a non-stoichiometric olivine cathode improves energy density and cycling stability while maintaining structural integrity.

Polyimide nanofilms with fibrous carbon prevent electrolyte side reactions, maintaining stability under high voltage.

A non-polar liquid electrolyte medium maintains high ionic conductivity in solid-state lithium batteries.

A Li2NiO3-based positive electrode material incorporates Ge, Sn, or Sb elements to form strong M2-O chemical bonds within the crystal lattice.

Carbonate precipitation with seeding technology produces spherical NMC cathode particles with high BET surface area and open porosity.

A positive-electrode active material with a specific crystal structure and composition.

Malachite-rosasite cobalt hydroxide carbonate precursor enables narrow particle size distribution and reduced sodium impurities in lithium ion battery cathodes.

A positive electrode material embeds metal hydroxides inside active particle voids to absorb heat through endothermic reactions.

A positive electrode material uses a barium titanate dielectric to enhance output characteristics in lithium secondary batteries.

A metal oxide cathode material features a stripe-shaped coating layer on its surface to enhance electrochemical performance.

A lithium ion secondary battery positive electrode uses a specific transition metal compound to enable multi-electron participation in charge reactions.

Calcining lithium transition metal oxide at 950°C or higher in oxygen minimizes surface protrusions and cracks, improving battery cycle characteristics.

Forming lithium tungstate on composite oxide surfaces reduces positive electrode resistance while suppressing gas generation during battery operation.

LiPO2F2 additive reduces internal resistance to achieve 80% charge in under 20 minutes while maintaining battery stability.

Organic surfactants mediate nucleation in a colloidal system, preventing iron oxide impurities and enabling rapid production of high-purity nanocrystals.

A positive electrode adhesive layer uses spherical and fibrous carbon to lower foil contact resistance.

Plane-specific conductive coatings on layered particles lower battery resistance and suppress temperature rises during overcharge.

A composite cathode active material with a spinel shell on a layered oxide core suppresses side reactions and enhances thermal stability.

A boron compound on primary particle surfaces enhances electronic conductivity in lithium-nickel-cobalt-manganese composite oxide.

Tetravinylsilane suppresses gas generation from electrolyte side reactions, enabling higher active material loading without compromising battery reliability.

Lithium-metal-polyanionic layers shield electrode surfaces against oxygen loss and electrolyte oxidation, enabling stable high-potential cycling.

Optimizing nickel molar percentage and tab-to-layer ratios reduces temperature rise during high-rate discharge in electrochemical apparatuses.

Wet chemical precursor preparation recycles aqueous solution, eliminating effluent generation and water evaporation during cathode material production.

Carbothermal decomposition of lithium carbonate with elemental carbon in an inert atmosphere eliminates grinding steps and prevents crucible contamination.

Lithium tungstate coating on composite oxide particles reduces positive-electrode resistance.

Incorporating a rubber-based binder controls slurry non-crystallinity, enhancing electrode flexibility and preventing cracks during high-speed rolling.

A lithium metal composite oxide with controlled particle size and low specific surface area reduces electrolyte contact.