Positive Electrodes TRIZ Cases

A single-particle lithium composite oxide maintains crystallinity and stability in high-nickel electrodes, reducing gas, swelling, and fire risk.

A mixed nitrile, fluorinated ether, and disulfide electrolyte helps high-loading, low-porosity lithium-sulfur cells cut overvoltage and raise discharge output.

Nb and Ca or Sr stabilize high-Ni, low-Co battery electrodes and suppress electrolyte side reactions to improve charge-discharge cycle life.

A water-based insulation layer peels from the current collector after brief water immersion, improving lithium-ion battery recycling and avoiding PVDF/NMP.

A two-layer electrode separates single-crystal and polycrystalline oxides to cut resistance and improve lithium-ion battery cycle life.

A conductive microsphere coating lowers battery resistance at normal temperature, then melts above 120°C to block electrons and stop thermal runaway.

A nickel composite hydroxide precursor with controlled oxygen position stabilizes high-nickel cathodes and reduces electrolyte side reactions.

A tailored cathode oxide and additive electrolyte form stable interfacial films that preserve high-temp storage and low-temperature discharge.

Controlled washing and a protective coating reduce residual lithium and CO2 generation while preserving cathode structure, capacity, and cycle-life.

Controlled pH precipitation of nickel-rich (oxy)hydroxide precursors stabilizes particle size and supports high-energy, long-cycle lithium-ion cathodes.

A dual fluorine-polymer binder with hydrophilic groups improves cathode adhesion, limits delamination, and supports fast-charge cycle life.

Aluminum impurities are separated from battery waste and reused as coating or doping precursors to regenerate electrode materials with preserved electrochemical properties.

A mixed LFP and lithium nickel oxide cathode balances high capacity with thermal stability to lower thermal runaway risk in rechargeable batteries.

A bimodal cathode particle mix with controlled surface tension helps thick positive electrode layers hold shape while preserving battery capacity.

Fine lithium carbonate cathode particles generate CO2 during overcharge, raising cell pressure to interrupt current and reduce fire risk.

An element-M coating on layered lithium metal oxide blocks electrolyte contact, suppressing metal elution and extending battery life.

A conductive undercoat and core-shell cathode coating suppress manganese dissolution while improving ion transport, adhesion, and cycle life.

Combining single-particle lithium-nickel oxide with lithium manganese iron phosphate balances capacity, structural stability, and resistance.

Stoichiometric tuning of Li-Mn-Ni-Co/Cr cathodes reduces voltage decay and improves rate capability without sacrificing volumetric energy density.

A dual-particle Ni-rich NCM cathode balances over-calcination, shorter Li-ion diffusion paths, thermal stability, and output performance.

A lithium-aluminum-titanium oxide coating shields lithium metal oxide cathodes from side reactions, improving high-temperature stability and life.

Blending large and small lithium-nickel oxides with Ca/Sr-rich small-particle surfaces helps batteries keep high capacity while improving cycle life.

A Li-rich surface reconstruction layer enables preferential deintercalation, reducing stress and cracking while improving cycle stability and voltage tolerance.

An O2-type Li-Na-Mn cathode made by ion exchange avoids O3-to-spinel transition, enabling high-voltage charging with stable capacity.

A cyclic sulfate additive stabilizes electrode interfaces, cuts impedance, and limits transition metal damage in high-energy lithium-ion batteries.

Cyclic sulfate in a non-aqueous electrolyte forms protective electrode films, limiting oxygen-driven decomposition while stabilizing the SEI.

A multilayer cathode with macro- and microparticles enables higher rolling pressure without particle cracking, improving density and thermal stability.

A three-layer cathode uses an oxygen-absorbing coating and fluorinated passivation to limit oxygen gas, electrolyte attack, and cycle fade.

Controlled pH during nucleation and growth forms NCM carbonate precursors with sparse cores and dense shells for higher discharge capacity.

A two-step low-temperature precursor and spray-drying route controls LMFP particle morphology to raise tap density without sacrificing electrochemical performance.

Adjusting cathode porosity and sulfur loading helps lithium-sulfur cells raise initial discharge capacity while limiting polysulfide-related driving issues.

A hollow nickel-based cathode particle with two-stage heat treatment limits aggregation, preserves large primary particles, and improves capacity life.

A surface coating on over-lithiated oxide cathodes limits voltage decay at up to 4.5 V while preserving high reversible capacity.

A sulfur-functional coating suppresses cathode slurry gelation and side reactions while preserving high-nickel layered structure and battery life.

Mixing cathode particles with different circularities improves packing density and structural stability in high-nickel lithium batteries.

A three-lithium-salt electrolyte balances thermal stability, low interfacial impedance, and lithium loss for better cycle and storage performance.

Controlled pore ratios and an Al/W coating improve lithium mobility, suppress side reactions, and extend high-temperature cathode life.

A dLMFP-dominant blend with NMC or NCA raises energy density and rate capability while adding a voltage slope for better battery monitoring.

Fluorine in a nickel-rich layered cathode forms a protective grain coating that limits electrolyte attack and preserves capacity over long cycling.

Alkali and alkaline earth doping stabilizes lithium-rich layered cathodes, suppressing spinel formation to improve capacity retention and efficiency.

A metalloid or metal surface coating on NCM cathode particles suppresses electrolyte side reactions and improves high-temperature life and storage.

A cyclic sulfate additive forms protective films on both electrodes to limit oxygen-driven oxidation and preserve SEI stability in lithium-rich cells.

Staged solid-content mixing improves active material and electrolyte dispersion, boosting ionic conductivity while lowering short-circuit risk.

A tuned binder polymer balances flexibility, cracking resistance, and internal resistance in non-aqueous battery electrode layers.

A coated lithium-rich cathode compensates SEI lithium loss while preserving ion conduction, boosting first-cycle capacity and cycle life.

A two-layer cathode combining lithium metal phosphate and lithium-transition metal oxide balances battery capacity with longer cycle life.

Controlled pore-size distribution in a positive electrode material preserves collector adhesion while maintaining reactive area and battery capacity.

Controlling the X-ray peak ratio in an O2-type Li-containing oxide raises cathode capacity while preserving crystal structure stability.

A paired electrolyte additive system forms a stable composite SEI, limiting decomposition and improving high-temperature life and fast charging in high-nickel NCM batteries.