Negative Electrodes TRIZ Cases

A CoSn2-rich tin-cobalt alloy with carbon raises sodium-ion battery charge capacity while maintaining cycle characteristics.

A hybrid LFP and activated carbon pouch cell layout boosts pulsed and continuous power across temperatures while supporting cranking and emergency stops.

Carbon-doped silicon monoxide anodes improve conductivity, stabilize the SEI, and reduce expansion stress for longer Li-ion battery cycling.

A dual-additive electrolyte builds a stable SEI that suppresses gas generation and internal resistance in rechargeable lithium batteries at high temperature.

A cross-linked polymer and epoxy-rubber matrix helps silicon anodes manage volume expansion while improving battery capacity, efficiency, and lifespan.

Lowering sodium ion desolvation energy helps this electrolyte maintain conductivity and faster kinetics in sodium-ion batteries at low temperatures.

ZMV nanorods in a composite cathode speed Zn2+ intercalation in aqueous zinc-ion batteries while supporting scalable fabrication and long cycle life.

A fluoroether solvent with cyclic sulfate ester stabilizes SEI and CEI films, reducing side reactions and improving cycle life and first-cycle efficiency.

Porous carbon hosts buffer anode particle expansion, preserving contact and reducing irreversible capacity in lithium-ion cells.

Fluorinated electrolyte additives build a stable SEI that cuts gas generation and side reactions during high-temperature battery storage.

A layered anode uses side-bonded carbon nanotubes to limit binder migration and preserve conductivity as silicon active material expands.

A dual concentration-gradient coating on silicon anodes limits expansion, avoids coating cracks, and preserves capacity retention and resistance stability.

A crosslinked gel polymer electrolyte with acetonitrile improves lithium-ion transport while suppressing dendrites and lowering resistance.

Porous carbon inner pores and a carbon shell buffer silicon swelling, improving anode conductivity, cycle life, and battery energy density.

Multi-size graphite particles create a denser negative electrode packing that lowers resistance and preserves lithium-ion paths at high temperature.

A 3D copolymer-additive binder strengthens silicon anode adhesion, suppresses electrode swelling, and preserves cycle performance.

A graphite porosity gradient in the anode limits electrolyte decomposition and particle peeling, helping Li-ion cells retain capacity under rapid charging.

A dual-resin separator preserves pore structure under lamination heat and pressure, improving short resistance and ion transport in silicon-anode batteries.

A 3D cross-linked silicon-carbon anode with dimethyl carbonate stabilizes silicon expansion, improves ion transport, and lowers resistance.

Balancing electrode loading, lithiation capacity, and electrolyte conductivity helps this lithium secondary battery extend cycle life without major material changes.

A porous silicon-carbon anode and SEI-forming electrolyte additive curb silicon expansion, lowering resistance and improving battery cycle stability.

A lithium sulfonimide electrolyte forms a stable interfacial film in porous silicon-carbon anodes to improve high-temperature cycling and storage.

A soluble oxidant captures anode-formed alkenes in liquid electrolyte, limiting nickel-cathode gas reactions and thermal runaway risk.

A rare-earth silicon-oxygen crystal phase cuts irreversible capacity in silicon-silicate anodes, improving initial charge-discharge efficiency.

A clay-metal-amorphous carbon electrode layer improves lithium ion mobility and deposition uniformity to curb dendrites and short circuits.

Lower active material density at the electrode edge raises local SOC and reduces lithium precipitation, improving cycle capacity retention.

A fluorine-free polyimide binder crosslinked with amines or alcohols boosts electrode adhesion while lowering resistance and extending battery life.

A measuring bar quantifies kneading energy in anode slurry to assess CMC adsorption, improve dispersibility, and reduce coating defects.

A thickness-graded sliding portion and magnetic alignment of carbon active material suppress end lithium precipitation for safer high-rate cycling.

A layered graphite porosity profile in the anode improves electrolyte permeation while suppressing high-temperature storage and low-temperature discharge loss.

A carboxylate electrolyte enters 3D crosslinked silicon-carbon pores to cut impedance, improve ion transport, and stabilize silicon cycling.

Adding aluminum during SiOx pre-lithiation forms Al2O3 and Li2SiO3, limiting particle cracking while improving capacity retention.

A phosphonium ionic liquid additive stabilizes the electrolyte, suppressing gas generation and interface resistance at high and low temperatures.

Lanthanide compounds in porous silicon-carbon anodes restore ion pathways, reduce swelling, and improve lithium-ion battery cycling.

A controlled surface layer on silicon-carbon particles limits silicon expansion and electrolyte decomposition, improving cycling, swelling, and rate behavior.

A porous LTO negative electrode increases electrolyte reaction sites and ion transport to improve output density and high-temperature stability.

A tuned silicon-graphite anode ratio and protective film raise energy density while limiting volume expansion and cycle-life loss.

A graded rubber and polymer binder distribution strengthens anode-current collector adhesion while preserving lithium ion diffusion and reducing peeling.

Specific electrolyte additives and a mixed-crystallinity graphite anode suppress self-discharge in sulfonylimide-based non-aqueous batteries.

A lanthanide compound in porous silicon-carbon negative electrodes restores ion pathways, cutting swelling and improving cycle retention.

A partial Mg or Fe surface layer on a Zn or Al anode improves electrolyte adhesion, lowers resistance, and suppresses dendrite growth.

Matched silicon oxide particle sizes limit anode thickness rebound and porosity, preserving electrical contact and battery cycle life.

Specific negative-electrode film compounds improve solubility resistance and strength, limiting electrolyte breakdown during hot storage and cycling.

A covalently bonded cathode additive absorbs oxygen released at high temperature, limiting electrolyte oxidation and internal pressure rise.

A porous carbon-silicon anode with an embedded metal layer improves conductivity, buffers volume change, and supports longer cycling.

Amorphous silicon bonded within a carbon network limits expansion damage, preserving Li-ion battery capacity and cycle life.

Specific Fe ranges in hydrogen storage alloy and carbon black improve conductivity while limiting Fe elution to boost discharge capacity and cycle life.

An imidazolium sulfonate additive scavenges PF5 and HF, reinforces electrode films, and improves high-temperature lithium battery stability.

A three-layer carbon anode uses a high-DD oriented layer to improve electrolyte impregnation, speed lithium-ion transfer, and lower internal resistance.

Mixed SiOx and SiOy particles with single-walled carbon nanotubes improve anode connectivity, limiting volume-change damage and extending battery life.