Negative Electrodes TRIZ Cases

A graphene coating and SWCNT network help Mg-containing silicon oxide anodes resist swelling damage, short-circuits, and low initial efficiency.

Cerium doping or coating raises oxygen-release energy in nickel-rich cathodes, reducing self-heating risk while preserving battery energy density.

A multiphase Si alloy powder balances silicon capacity with cycle stability by limiting expansion damage and supporting uniform Li occlusion.

Low-EC, high-EMC electrolyte chemistry helps silicon-anode batteries curb swelling and gas generation while preserving high-temperature storage and cycle life.

Blending assembly-type and single-type artificial graphite prevents press cracks, raises electrode density, and preserves battery power.

Depth-specific anode porosity preserves calendering strength while improving electrolyte infiltration, ion transport, and lithium plating suppression.

A coated silicon anode shifts discharge to LiaVbO2 or MgH2 at higher potentials, suppressing phase separation and capacity loss.

A porous lithium-garnet solid-state electrolyte embeds anode material to improve high-temperature battery safety, energy density, and lifespan.

A sultam electrolyte additive forms a stable sulfur-rich interface film that suppresses lithium dendrites and extends cycle life.

Combining clathrate-type and diamond-type Si in porous particles helps limit volume change and stabilize battery constraining pressure during cycling.

An inorganic thickener in the silicon negative electrode slurry boosts adhesion, limits delamination and lithium plating, and preserves energy density.

A crosslinkable polymer binder boosts electrode adhesion, limits negative plate expansion, and improves electrolyte resistance for longer cycle life.

A sulfurized polyacrylonitrile protective layer on a lithium metal anode suppresses dendrites, reduces side reactions, and improves cycle stability.

A gel bonding layer improves adhesion at the solid electrolyte-positive electrode interface, cutting impedance and limiting delamination in Li metal cells.

A binder-fiber negative electrode layer improves flexibility during stacking and winding while reducing cracking, impedance, and energy-density loss.

A carbon-coated Si-SiC composite keeps electrical contact and limits side reactions, helping Li-ion anodes balance capacity, cycling, and expansion.

Cutting off thin coated edges and adding insulating adhesive helps positive electrode plates keep uniform thickness, lower impedance, and limit lithium precipitation.

Ti and fluorine tuning in a Li-rich cathode suppresses transition metal elution while improving cycle durability and capacity retention.

Ti and Nb are balanced in a layered lithium-nickel cathode to improve short-circuit and overcharge thermal stability without sacrificing capacity.

A carbon coating with graphene balls and silicon builds a strong SEI to limit lithium depletion, suppress dendrites, and extend cycle life.

Nitrogen-doped graphene-wrapped Cu2S anodes improve interface stability and ion transfer for fast sodium-ion cycling and long cycle life.

Microwave-assisted curing lowers energy use and controls resin cross-linking to form uniform hard carbon beads for better Li-ion and Na-ion storage.

Using CMC of different molecular weights across electrode layers improves collector adhesion, active material cohesion, and lowers resistance.

A cage-structure calcium salt in DME/THF improves Ca ion conductivity, plating stability, and electrochemical window without fluorine.

An aluminum anode and alkali metal cathode use a displacement electrolyte to improve battery safety, cost, cycle life, and temperature stability.

A porous PECVD silicon layer plus a dense thermal CVD layer helps nanowire anodes absorb swelling, resist delamination, and extend cycle life.

A mixed carbonate electrolyte with VC and adiponitrile additives improves Na-ion battery cycle life and reduces self-discharge at high temperatures.

A composite of inorganic metal salt and organic fiber in the negative electrode improves cycling and lowers resistance without sacrificing energy density.

A propionic-acid electrolyte and nitrile-polymer porous membrane improve high-temperature cycling, low-temperature output, and swelling resistance.

A graded rubber and water-soluble binder layout strengthens anode adhesion at the collector while limiting peeling and preserving Li-ion diffusion.

A POSS-PEG gel electrolyte uses ionic liquid and lithium salt to raise conductivity while preserving mechanical strength and lithium stability.

Positively charged polymer-coated nano-silicon enables uniform CNT dispersion, improving flexible anode stability and cycling durability.

Irregular film-like binder distribution prevents flotation during drying, improving electrode adhesion, crack resistance, and cycling stability.

Metal amide base additives form stable SEI and CEI layers, reducing capacity fade and improving Li-ion battery thermal stability.

MXene-coated PVDF-HFP separators stabilize lithium-ion flux, suppress dendrites, and add flame resistance with simpler battery manufacturing.

A composite interlayer coating suppresses lithium dendrites and parasitic electrolyte reactions to extend cycle life while maintaining high energy density.

A siloxane-based polymer shell lets silicon anodes absorb volume change, limit electrolyte contact, and extend cycle life.

Protective coatings on lithium metal anodes suppress dendrites, reduce electrolyte loss, and extend cycle life while preserving high energy density.

A mixed LiDFP, fluorobenzene, and tetravinylsilane additive improves electrolyte wetting, film stability, and cycle life at high voltage.

A siloxane-based polymer shell helps silicon anodes absorb volume change, limit electrolyte contact, and extend battery cycle life.

A three-layer lithiophilic and lithiophobic negative electrode guides uniform lithium deposition to suppress dendrites and extend cycle life.

A polymer and 1D conductive coating stabilizes silicon anodes, limiting expansion while maintaining conductivity and cycle performance.

A fluorinated ester, carbonate, and lithium borate electrolyte improves high-temperature cycling with high-potential cathodes while reducing off-gassing.

Acid gas treatment removes residual lithium after SiOx prelithiation, improving initial efficiency, capacity, and electrode stability.

Mechanical separation, alcohol washing, heating, and acid leaching recover silicon from used Li-ion electrodes for reuse with retained capacity.

Polyvalent cation salt particles in a low-dielectric electrolyte form a bulky SEI that suppresses short circuits while preserving high energy density and output.

Interstitial lithium-ion reservoirs delay ion entry into the anode, enabling fast charging while reducing dendrite formation and thermal runaway.

A lithium-ion-permeable film over amorphous carbon boosts negative-electrode power while limiting electrolyte decomposition and early efficiency loss.

Carboxy-group binder coverage and an ionic liquid electrolyte suppress silicon side reactions while preserving high-capacity battery cycling.

A thin inorganic-particle porous layer on the positive electrode controls pore size to suppress self-discharge without raising battery resistance.