Positive Electrodes TRIZ Cases

A core-shell LiCoO2 cathode and film-forming electrolyte suppress gas and cobalt dissolution, improving high-voltage cycling and hot storage.

An organophosphorus electrolyte additive forms a stable cathode film that limits metal leaching and side reactions in low-Co high-Ni batteries.

Vertically grown MoS2 nanosheets on porous carbon fibers stabilize sulfide electrolyte interfaces while improving ion and electron transport.

An acrylic resin, sulfur, and iron compound are baked into an active material that raises volume energy density while preserving capacity retention.

A layered lithium composite oxide limits cation mixing and tunes crystallite structure to improve high-rate charging and cycle stability.

A tailored lithium salt and fluorinated additive stabilize the SEI in high-nickel lithium batteries, cutting resistance and preserving cycle life.

Adding TTSP to LVPF lithium-ion cells forms a protective cathode interface that limits vanadium dissolution and improves cycling stability.

Oriented primary-particle cavities raise electrolyte contact while preserving cathode strength, lowering impedance and slowing pulverization.

A two-layer active material structure balances high loading with conductivity, cutting resistance while preserving battery capacity and output.

A gradient-composition cathode blended with single-particle oxide improves battery lifespan, penetration stability, and ignition resistance.

Single-particle high-nickel cathode material improves cycle life, charge efficiency, and thermal stability while maintaining high energy density.

A mixed-molecular-weight lithium polyacrylic acid binder improves positive electrode adhesion, slurry processability, and cycle stability.

A Co-coated lithium complex oxide protects cathode surfaces during washing, cutting residual lithium while preserving capacity, resistance, and life.

A lithium borate coating protects Li-Fe oxide cathode additives from air while preserving lithium compensation and conductivity.

A multi-reactor continuous process stabilizes ferromanganese phosphate precursor particle size and crystallinity while improving batch consistency.

A sulfur-silicon coating on Ni-rich cathode particles suppresses electrolyte side reactions and resistance growth while preserving capacity.

Shifting conductive material toward the lower positive electrode layer improves nail penetration safety while preserving active material loading and cycle life.

A lithium metal oxide or phosphate coating lowers surface Li impurities without washing, preserving cathode stability, capacity, and rate performance.

A Sr, Ca, or Ba surface layer stabilizes Ni-rich positive electrode particles, suppresses electrolyte reaction, and helps retain capacity over cycles.

Metal hydroxide and phosphoric acid composite particles suppress battery heat rise by combining endothermic cooling with radical trapping.

Amino-acid-mediated precipitation stabilizes pH-sensitive high-nickel hydroxide particles, improving lithiation, energy density, and cycling stability.

A tuned NCM cathode c/a crystal ratio improves thermal stability without sacrificing low-temperature low-SOC output in lithium batteries.

Controlled NCM crystallite and particle structure improves thermal stability while preserving low-temperature low-SOC output in lithium-ion batteries.

Controlling NCM cathode crystallite size suppresses heat generation and oxygen release, improving thermal stability and cycle retention.

A tailored copolymer dispersant keeps carbon nanotube slurries low in viscosity and stable in storage for more conductive lithium secondary battery electrodes.

Planar surface particles and a nickel concentration gradient suppress electrolyte side reactions while preserving high-capacity cathode performance.

Controlled lithium carbonate and hydroxide in the cathode plus imide-anion electrolyte salt improve cyclability, storage, and load retention.

A dual-cathode solid solution plus vinylene carbonate builds a denser SEI, cutting lithium loss, impedance, and cycle degradation.

Controlled high-temperature washing and lithium distribution improve cathode purity, initial efficiency, and cycle retention in lithium secondary batteries.

A doped core-shell cathode with pyrophosphate, phosphate, and carbon layers improves lithium transport while limiting manganese dissolution.

Controlling particles at 1.5 μm or less to 25% or below helps one-body cathode particles cut resistance, side reactions, and lifespan loss.

A dual-phase cathode particle balances P63mc with R3m/P2/m/P3m1 regions to limit volume change and improve high-voltage cycle life.

A coumarin derivative in non-aqueous Li-ion electrolyte scavenges Lewis acids and reactive oxygen species while stabilizing electrode films.

A dual-size Ni-rich lithium oxide cathode improves packing density, output, and cycle life without sacrificing battery capacity.

Large layered cathode secondary particles improve electrolyte retention and ion diffusion, keeping thick Li-ion electrodes more uniform and lower in ionic resistance.

Dry mixing and low-temperature sintering keep lithium-containing cathode coatings amorphous, preserving ionic conductivity and improving cycling and discharge capacity.

Atomic layer deposition adds a thin metal oxide coating to high-Ni cathodes, limiting side reactions and resistance while extending battery life.

Series-connected mixed-chemistry cells match power density and electrode resistance to sustain low-SOC output and extend module cycle life.

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

A porous core with radially arranged primary particles shortens lithium-ion diffusion paths, reducing cracks and improving capacity and cycle life.

A dual functional layer with PTC resin and lithium transition metal phosphate limits heat and charge transport during battery abuse.

Anatase nanofilament hosts improve sulfur cathode conductivity, trap polysulfides, and buffer expansion for longer-lasting Li-S batteries.

Multi-element LiMnPO4 cathode doping with an additive electrolyte improves rate capability, cycle life, and high-temperature stability.

Oxygen 1s XPS-defined positive electrode material forms kink bands that protect conduction paths and sustain capacitance over repeated cycling.