Positive Electrodes TRIZ Cases

Controlled porous carbon particle sizing enables more uniform sulfur loading, improving Li-S battery capacity, energy density, and manufacturability.

A bimodal Ni-rich cathode particle mix raises roll-pressing density while preserving capacity and improving high-temperature battery life.

Multi-layer pyrophosphate, phosphate, and carbon coatings with electrolyte additives curb Mn dissolution and improve rate and high-temperature cycling.

Heteroatom-enriched carbon additives raise metal halide cathode utilization by 20-30%, improving capacity and energy density.

Spray drying a pyrolyzed Ni-Co-Mn oxide slurry raises precursor bulk density and enables chloride removal before lithium reaction.

Redox mediators enable spent NCM cathodes to be relithiated at 80-100°C, restoring structure and performance with lower pressure and energy use.

Al and W surface coating on pseudo-single-particle cathodes improves lithium transport, limits side reactions, and extends high-voltage battery life.

Low-EC electrolyte and a trialkylsilyl phosphorus additive suppress cathode collapse and metal elution at high voltage and temperature.

A nano-particle coating layer increases contact short-circuit impedance to reduce battery heat and fire risk with limited impact on energy density.

A dual-phase surface in single-particle Ni-rich NCM cathodes suppresses side reactions, lowering resistance and improving high-temperature cycling.

A layered lithium-composite oxide cathode balances high energy density with lower voltage drop and stronger cycle performance in non-aqueous batteries.

A core-shell lithium manganese phosphate cathode uses pyrophosphate and carbon cladding plus electrolyte additives to boost rate capability and cycle life.

Varying lithium replenishing agent content by cell heat dissipation helps battery packs self-balance capacity across temperatures.

A doped cathode and 1,3-propane sultone electrolyte additive form a stable SEI film that cuts gas generation and slows capacity fade.

Controlled NCM composition and particle-size distribution preserve structural stability and conductivity while lowering cobalt in Li-ion cathodes.

Dual-element doping in high-nickel NCM cathodes suppresses moisture uptake, preserves electrode adhesion, and supports higher battery capacity.

Surface-to-core lithium chemistry in composite oxide cathodes improves Li-ion output, discharge rate, and cycle stability.

A conjugated diene copolymer coating on the cathode tab prevents short circuits while enabling simultaneous coating and electrolyte resistance.

Using an HNBR-derivative binder in the positive electrode improves adhesion, lowers resistance, and extends rechargeable lithium battery cycle life.

p-Type redox molecules restore lithium in spent cathodes at room temperature, cutting energy use and avoiding precise composition analysis.

A tungsten penetration region between primary particles stabilizes high-nickel cathodes, lowering resistance growth and extending battery cycle life.

Cell chemistry and electrolyte tuning slow thermal runaway propagation while preserving high voltage and energy density in lithium secondary batteries.

CO2 in the sintering atmosphere suppresses ferromagnetic FexP during LFP preparation while preserving crystallinity, compaction, and battery capacity.

Combining 1D, 0D, and 2D conductive materials builds a better cathode network, improving conductivity, capacity, and cycle life.

A doped carbon shell on lithium manganese phosphate improves ion transport, rate capability, cycling stability, and high-temperature performance.

A manganese composite cathode balances LMO and NCM phases to improve high-temperature cycling and storage without sacrificing low-temperature kinetics.

An imide cesium salt additive forms a stable interface that preserves cathode wettability and lowers resistance during high-temperature storage.

Different cathode mixes on each current-collector side smooth voltage drops and limit resistance rise, improving low-SOC battery output.

A multi-layer lithium manganese phosphate cathode and electrolyte additives form a stable interface film that suppresses Mn leaching and side reactions.

A phthalocyanine polymer-carbon electrode host improves sulfur conductivity, suppresses polysulfide diffusion, and slows capacity fade.

A dual-particle cathode mix raises capacity while improving mixture density, high-temperature stability, and gas suppression.

Carbon-confined selenium suppresses polyselenide dissolution while improving conductivity, enabling fast-charging lithium-selenium batteries with stable cycling.