Negative Electrodes TRIZ Cases

A negative discharge cutoff below -0.1V brings sodium-ion cells to 20% charge or less for safer storage and transport without capacity fade.

An expandable binder in the upper negative electrode layer forms pores that speed lithium insertion and improve fast charging and cycle life.

A three-zone anode porosity profile improves electrolyte penetration and lithium-ion diffusion while supporting longer life and fast charging.

TaF5 in a lithium-sulfur battery electrolyte forms a protective layer that limits polysulfide side reactions and dendrite growth, extending cycle life.

Controlling graphite and silicon particle size balance keeps anode slurry coatable while limiting silicon-driven peeling, isolation, and low-temperature life loss.

Sr and Al tuning stabilizes high-Ni cathode layers and adds a negative-electrode Sr coating to curb capacity fade and improve cycle life.

Balancing anode surface area and FEC per Ah stabilizes the SEI film, improving fast charge-discharge kinetics and cycle life.

Controlled Ca and Al in a high-Ni layered cathode and Ca coating on the anode help preserve capacity and cycle life in non-aqueous batteries.

A fluoropolymer-derived protective SEI layer suppresses lithium-electrolyte side reactions, improving cycle life and capacity retention.

Incremental capacity peak analysis estimates lithium-ion battery SOH and degradation modes without full charge-discharge cycling.

A polymer binding layer with controlled ethylene carbonate contact angle strengthens electrode adhesion and limits swelling-driven separation.

Ceramic oxide islands and amorphous carbon contain silicon expansion, limit electrolyte exposure, and preserve conductivity for longer cycle life.

Acrylamide-acrylate salt copolymer binders improve adhesion and cohesion in silicon anodes, limiting cycle fade from volume expansion.

Uniform SEI layers on carbon-coated silicon particles help suppress electrolyte side reactions and improve lithium battery cycle life.

Zinc-doped molybdenum vanadium oxide nanorods enable fast Zn2+ intercalation in a scalable composite cathode with high capacity and long cycle retention.

Acid washing removes iron and manganese from lignin before carbonization, improving battery anode cycling stability with scalable processing.

Peeling portions in layered sheet members keep terminal electrodes connected while limiting moisture ingress and short-circuit risk.

A fluorinated ether electrolyte additive forms a stable SEI that cuts high-temperature gas generation and improves sodium battery cycling.

Metal oxide and conjugated organic coatings enable intercalation and chelation in an aqueous aluminum battery to limit dendrites and extend life.

Specific electrolyte additives form a protective coating that limits side reactions in Si-CNT anodes, lowering resistance while preserving high capacity.

Sulfate or sulfonate ester additives form a stable SEI that cuts high-temperature gas generation and improves sodium battery cycling.

A two-layer graphite negative electrode balances collector adhesion and electrolyte wetting to cut ion resistance and improve cycle life.

Staggered insulating layers on coated and uncoated electrode regions prevent cathode-anode shorts and reduce fracture during battery manufacturing.

Micropore-controlled porous carbon confines silicon within accessible pores, limiting lump formation while improving lithium-ion capacity and cycle life.

A porous carbon matrix confines silicon particles to limit anode swelling, preserve structure, and improve lithium-ion battery cycling.

Li3N and Li-Mg nanoparticle films stabilize lithium metal anodes, guide uniform deposition, and suppress dendrites without sacrificing energy density.

Controlled pore aspect ratios in natural- and artificial-graphite anode layers buffer silicon expansion to improve fast charging and cycle life.

A Zn-Mn alloy anode with Fe at 1000 ppm or less and a tuned Zn:Mn ratio raises discharge capacity and initial charge-discharge efficiency.

Specific acrylic polymer units help silicon anodes tolerate cycling expansion while preserving particle binding and current collector adhesion.

Nitrogen-, oxygen-, and hydrogen-modified artificial graphite suppresses exfoliation and side reactions while preserving discharge capacity.

An ester polymer sheet forms a stable protective layer on electrode active materials, cutting side reactions while preserving ion transmission.

A tuned CFC ratio balances conductive material, particle size, and N/P ratio to limit low-temperature Li plating while preserving energy density.

A symmetrical ionic liquid additive forms a uniform protective layer on lithium metal to suppress dendrites and extend battery life.

Cross-linked polymer ion-selective layers block zinc and copper migration while preserving OH- transport to reduce fade and short-circuiting in alkaline batteries.

A silicon-carbon anode and doped cathode particle structure limit cycling damage, helping lithium secondary batteries retain capacity and lifespan.

A higher-potential second material helps silicon-rich negative electrodes avoid premature charge cutoff and improve capacity utilization.

A silicon and group 13/15 element coating on porous carbon helps restrain anode expansion while improving conductivity and cycle life.

A two-layer anode balances alloy capacity and cycle life by using porosity-graded graphite to suppress particle gaps and keep conductive paths stable.

A fluorinated organosilane-dioxolane interfacial layer helps lithium metal anodes flex with cycling and avoid electrolyte-driven side reactions.

High-pressure chamber control prevents solvent volatilization during negative electrode pre-lithiation, improving uniformity and battery cycle life.

Low-defect carbon-coated silicon oxide particles suppress SEI side reactions, reducing expansion and gas generation while improving cycle stability.

A dual-copolymer anode binder improves adhesion, slurry stability, and silicon expansion control to extend lithium secondary battery cycle life.

A layered negative electrode with N/P < 1 directs lithium dendrites away from short circuits while preserving energy density and cycle life.

A coated xylem separator creates nanoporous ion pathways that improve calcium-ion battery cycling stability without sacrificing capacity.

Doped conductive polymer links Si-containing particles to maintain current collection while absorbing cycling-driven expansion in secondary battery anodes.

An ether polymer sheet stabilizes the solid-liquid electrode interface, reduces side reactions, and improves battery cycling and storage.

A dual-electrode SEI-forming additive suppresses gas generation, metal elution, and resistance rise in high-voltage cobalt-free lithium batteries.

Doped nano zirconia combined with nano silicon and amorphous carbon improves anode thermal stability without sacrificing lithium battery capacity.