Negative Electrodes TRIZ Cases

A polymer-siloxane covering on silicon negative electrode particles suppresses electrolyte decomposition and improves ionic conductivity during cycling.

A niobium-titanium composite oxide anode balances fast charge-discharge, energy density, and dendrite suppression in secondary batteries.

Aluminum salt electrolyte additives form a cathode passivation layer and suppress dendrites, improving Li-ion battery safety at high temperature.

A fluorinated salt additive stabilizes both electrode interfaces, cutting high-temperature gas generation without blocking ion transport.

High-nickel NCM cathode composition with a targeted additive raises energy density and cycle performance while reducing cobalt dependence.

Placing higher-power cells in colder outer pack regions helps maintain low-temperature discharge power and consistency across the battery pack.

A transfer laminate with controlled adhesive force enables safe, uniform lithium deposition on silicon anodes to cut irreversible capacity loss.

An SO2-based electrolyte with a tailored conductive salt improves sodium cell solubility, oxidation stability, and service life.

Separating graphite from silicon and hard carbon guides lithium-ion insertion, easing concentration buildup and precipitation during fast charging.

Lithium imide salt, a Formula 1 additive, and tuned carbon nanotubes lower resistance and preserve cycle life in rechargeable batteries at high temperatures.

A carbon-coated first layer and metal-doped SiOx second layer curb side reactions and volume change, improving fast charging and cycle life.

A ceramic-coated separator with gel polymer-filled pores suppresses lithium dendrites while improving wettability, lifespan, and short-circuit resistance.

A 3D nanocomposite of metal oxide nanoparticles, graphene, and h-BN helps rechargeable batteries resist thermal runaway at high temperature and pressure.

Core-shell polyimide and silane coating helps lithium battery separators resist wet thermal shrinkage while maintaining heat resistance and adhesion.

Metal-doped silicon oxide particles with a sintered carbon binder and linear conductors curb anode swelling while preserving conductivity and cycle life.

A propionate-carbonate electrolyte with LiPF6 and LiFSI improves ion mobility, low-temperature capacity, and high-temperature cycle life.

A water-holding binder in a Ti-oxide negative electrode preserves electrolyte and suppresses hydrogen-generating water electrolysis.

Oblique linear light and widthwise lightness correction expose coating depressions on electrode plates despite normal brightness variation.

Porous Si particles and hard carbon are sized and blended to limit anode swelling while maintaining electrode density and volumetric energy density.

A dual-density negative electrode preserves short ion-diffusion paths at high coating weight, helping non-aqueous batteries keep capacity and input-output properties.

A tailored porous-layer binder limits electrode swelling and peeling after coating, improving battery stability and high-temperature cycle life.

Adding boron compounds to a lithium battery anode lowers interfacial resistance, improves lithium diffusion, and limits SEI thickening.

Multi-component electrolyte blends stabilize the SEI on silicon-dominant anodes, reducing gassing and impedance growth while extending cycle life.

Controlling SEI growth and irreversible reactions lets a Si-containing negative electrode boost lithium battery energy density while preserving cycle life.

A silicon concentration gradient in the negative electrode suppresses expansion and resistance, improving cycle life and high-rate charging.

Spatial low-density regions in a battery negative electrode shorten ion-diffusion paths while supporting higher capacity and input-output properties.

A graphite-SiOx-lithium silicate anode balances high capacity, storage stability, and rapid charging despite electrolyte fill variation.

A porous Si/C-CNT anode uses a Bi0.5Na0.5TiO3 piezoelectric layer to improve lithium transport, conductivity, and expansion buffering.

Layered silicon-carbon anodes place stable and conductive composites in different regions to hold open-circuit potential and slow Si deterioration.

Supplemental cathode active material adds lithium inventory for silicon-anode Li-ion cells, reducing first-cycle loss and raising energy density.

A graphite-SiOx slurry with controlled particle orientation and carbon-coated composite particles suppresses battery swelling and gas release.

SWCNTs in a silicon anode layer preserve conductivity during volume change, lowering resistance and improving cycle life.

A film-forming ionic compound helps non-aqueous electrolyte batteries balance high-temperature cycle life with low-temperature output.

A fluorinated linear carboxylic ester builds an SEI on silicon-lithium silicate anodes to limit cracking and resistance during high-rate cycling.

A mixed carbonate and glycol ether solvent system improves NaBF4 solubility, ionic conductivity, and first-cycle behavior in sodium-ion cells.

Carbon-coated natural graphite with tuned particle size and surface area reduces swelling, stress, and side reactions during fast charging.

A SiOx-carbon anode paired with lithium-rich manganese oxide boosts capacity while limiting expansion, conductive-path loss, and cycle fade.

Ceramic redox-active additives in the cathode adsorb polysulfides, limiting shuttle loss while improving conductivity and capacity retention.

A hollow core and graded-hardness coating contain silicon expansion, preserve SEI stability, and extend lithium-ion anode life.

A bimodal inorganic-particle separator limits water movement and dendrite penetration in aqueous batteries, improving efficiency and cycle life.

A silicon-particle coating adds controlled resistance to detect internal shorts early and limit heat before battery thermal runaway.

A monolithic 3D anode with a continuous ion-conducting network improves ion diffusion, limits dendrites, and reduces cycling-related volume change.

Balanced vinylene carbonate and fluoroethylene carbonate ratios strengthen graphite SEI films, cutting resistance and high-temperature degradation.

A side-bonded CNT network and dispersant system suppress binder migration, improving negative electrode adhesion, conductivity, and battery life.

Pre-dispersed planar conductive material helps silicon anodes stay conductive during expansion, improving high-rate output and cycle life.

A monolithic free-standing 3D anode uses a continuous ion-conducting network to limit dendrites, stabilize volume, and extend cycle life.

A LiFSI-based electrolyte with a film-forming additive suppresses high-voltage decomposition, gas generation, and resistance growth in Si-anode cells.

A modified novolac resin coating and controlled carbonization improve graphite anodes by raising initial efficiency and cycle stability.

A binder-free inorganic dielectric layer limits cathode-electrolyte reactions, cuts gas generation, and keeps resistance at 8 ohms or less.

Stepwise ball milling improves silicon slurry homogeneity and stability, enabling rapid film casting without dispersants.