Negative Electrodes TRIZ Cases

A porous silicon anode material with a main skeleton and branches accommodates volumetric expansion during lithium intercalation to prevent pulverization.

Potassium ions displace sodium ions to form a compression layer that counters tensile stress from silicon swelling, preventing cracking and capacity loss.

A silicon negative electrode material uses a low-melting point inorganic oxide to fill voids within the particle agglomerate structure.

Cathode lithiation agents supply sacrificial lithium to build stable SEI layers, reducing irreversible consumption and preserving capacity during cycling.

A crosslinked binder with carbonyl and amino groups maintains electrode physical properties during cycling.

A silicon-carbon composite negative electrode incorporates magnesium to enhance electrical conductivity.

Layered binder composition in lithium battery electrodes resolves the trade-off between high capacity and adhesion by using composite inorganic-polymer systems.

Vapor deposition of mercapto-containing silanes creates a composite interface that suppresses dendrite growth and doubles cycling lifetime.

A method producing nanostructured silicon carbide electrodes via high temperature treatment in a reactor with a controlled temperature gradient.

Fluorine coatings on niobium-titanium negative electrodes balance side reaction rates to prevent operation window shifts and extend battery life.

Methyl-2-methyl-1,3-dioxolane-2-carboxylate forms a protective film on graphite anodes to enable stable electrolyte operation.

Nanoscale lithium silicate coatings on silicon particles suppress irreversible reactions and improve cycle life in non-aqueous electrolyte batteries.

A non-aqueous electrolyte solution uses a mixed additive package to form a stable solid electrolyte interface on lithium battery electrodes.

A lithium secondary battery uses a polyvinylidene fluoride binder with specific molecular weight alongside lithium difluorophosphate electrolyte additives.

A silicon-based negative electrode active material features a polymer network coating layer derived from functional groups like cyano and sulfonyl.

Urethane bond-containing oligomer coating minimizes side reactions and enhances adhesion to reduce battery swelling.

Incorporating Mn(TFSI)2 into the electrolyte stabilizes impedance and reduces cumulative irreversible capacity, extending functional life.

A composite negative electrode active material combines carbonaceous powder with an alloy phase to enhance discharge capacity per mass.

A SiNx transparent anode thin film enables room temperature deposition via sputtering or PECVD to maintain high transmittance and electrical conductivity.

Aluminium halide salts mediate magnesium salt solubility in ether solvents, enabling reversible deposition and 80-95% Coulombic efficiency over 250 cycles.

A Type II clathrate anode stabilizes the electrode framework during ion insertion, preventing structural degradation common in silicon materials.

Fusion-bonded silicon needles on the current collector prevent structural degradation during cycling.

The electrolyte formulation suppresses side reactions and prevents gas generation by maintaining SEI layer stability during high-temperature storage.

Acrylic acid-based polymer coating stabilizes silicon negative electrodes, suppressing gas generation and extending cycle life.

A lithium secondary battery uses a Si-C composite negative electrode active material to manage irreversible capacity and volume expansion.

Fluorinated ionic liquids improve battery safety by reducing irreversible capacity and delaying explosion.

A pre-lithiated silicon anode with a porous region accommodates volume expansion during charge cycles.

Dual-size artificial graphite particles fill concave surfaces, resolving poor cohesion between active material layers and current collectors.

Embedded metal nanoparticles in amorphous carbon pores suppress dendrite formation and volume expansion, improving cycle-life.

A graphite compound with specific boron and calcium ratios increases discharge capacity in lithium batteries.

A multi-composite conductive agent combines carbon-based and metal-based agents to configure electron transfer paths in lithium battery anodes.

A silicon-manganese alloy core within a flexible carbon shell suppresses volumetric expansion during cycling, extending battery lifespan.

A negative electrode uses a hydrophobic binder to cover high surface area carbon material, enhancing adhesion to the collector.

A crosslinking-type aqueous binder enhances electrode binding capacity and flexibility through in-situ esterification during slurry coating.

A negative electrode composition combines silicon-based and carbon-based active materials to enhance electrical conductivity.

Replacing fluorinated salts with non-fluorinated bis(oxalato)borate improves safety and environmental friendliness while maintaining high ionic conductivity.

Metal salts form stable Li-M-Si ternary phases within the electrolyte to protect silicon anodes.

A composite separator combines a polyolefin layer with a heat-resistant resin to maintain dynamic hardness above 1000 kgf/cm2.

A SiOx-CMC-CNT composite anode material bonds carbon nanotubes to silicon oxide via carboxylmethyl cellulose.

Adding halide ions to a carboxylic acid ester electrolyte reduces SEI donor ability, resolving low rate characteristics in high-energy batteries.

A styrene-acrylate copolymer binder with a 1:1 to 1:3 monomer ratio absorbs electrolyte to reduce internal resistance in lithium battery electrodes.

Integrating a dissolving cushioning layer between electrodes absorbs axial impact forces, preserving energy density while preventing mechanical damage.

Graphene elastomer composite shells protect silicon anodes from pulverization during charge cycles, maintaining high reversible capacity.

A composite binder system using carboxymethyl cellulose and polyacrylic acid maintains electrode structural integrity during cycling.

A non-aqueous electrolyte solution combines branched and straight-chain esters to form a stable solid electrolyte interface layer on the anode.

A negative electrode combines silicon particles with graphite coated in a swelling polymer layer to suppress gas evolution during high-temperature storage.

Li-doped SiOx in a negative electrode active material layer suppresses volume expansion to improve initial efficiency and cycle life.

Extended boundary structure enhances adhesion, preventing short circuits in lithium ion batteries.