Negative Electrodes TRIZ Cases

A silicon oxide negative electrode active material disperses clusters in a matrix to stabilize the structure.

Glyme-based electrolyte with sulfonyl lithium salts suppresses overvoltage and dendrite growth, enhancing cycle characteristics.

Embedding mesophase particles in amorphous carbon matrices suppresses electrode expansion and shrinkage during cycling while maintaining high density.

Negative electrode functional layer with flake-shaped polyethylene particles enhances battery safety and capacity.

A graphite-silicon composite negative electrode uses a carbon coating layer to buffer silicon particles and maintain electrical conductivity.

Porous carbon matrix accommodates silicon volume expansion during cycling, preventing electrode tears while maintaining high capacity.

Li2NiO2 cathode material compensates for irreversible lithium loss in silicon anodes, maintaining capacity retention above 90% after fifty cycles.

Uniformly mixing silicon nanomaterials and carbon nanotubes prevents surface fragmentation during volume expansion, maintaining electrical conductivity.

A silicon-carbon composite anode active material with controlled particle size and surface area enhances electrical conductivity.

A grafted heteroatom-functionalised oligomer replaces the solid-electrolyte interphase on anode surfaces.

A silicon-tin alloy negative electrode material uses controlled diffraction ratios to manage lithium ion volume changes during charge cycles.

Maintaining a volume resistivity ratio of 0.034 or less suppresses thermal decomposition in lithium metallic oxides despite material quality variations.

Broad particle size distribution in positive electrode active material minimizes charge/discharge-induced breakage while maintaining electrolyte permeability.

A lithium silicon oxide material with specific 29Si NMR peak ratios and a carbon coating prevents hydrogen generation in aqueous slurries.

SiOx nanofilaments condense from gaseous silicon monoxide, accommodating 320% volume expansion to maintain electrical continuity during cycling.

Segmenting the negative electrode layer mitigates silicon expansion and pulverization, improving cycle life and storage performance.

Inverting the efficiency relationship between electrodes avoids high-resistance regions to boost output power.

A cross-linked binder using polyimide and polyvinyl alcohol enhances electrode adhesion.

A composite coating on silicon oxide particles prevents electrolyte decomposition and stabilizes the electrode structure during charge cycles.

Segmenting silicon oxide and silicon-rich layers optimizes lithium conductivity while maintaining initial capacity through controlled deposition.

Optimized low crystallinity carbon coating on graphite powder reduces irreversible capacity loss while maintaining charge discharge efficiency.

A negative electrode active material combining an alloy phase with dispersed ceramics to enhance volumetric discharge capacity.

A silicon core nested in hollow graphite with a LiF coating reduces electrolyte side reactions and controls volume expansion.

Lithium bis(trimethylsilyl) phosphate scavenges hydrofluoric acid and forms a protective film on graphite electrodes.

A crystalline carbon negative electrode features a metal alkoxide surface layer that enhances electrolyte impregnation and lithium ion transport.

A carbonate-nitrile electrolyte mixture enhances ionic conductivity and stability in lithium-ion batteries.

A battery electrode manufacturing method uses thixotropic slurry flow to deposit active material layers with high surface flatness.

A graphene-enhanced anode active material achieves high reversible capacity and low irreversible capacity.

A negative electrode layer combines a lithium metal alloy composite with a single lithium metal sheet to lower reaction resistance.

Additive combinations create a protective interface layer that mitigates 400 percent volume expansion and side reactions at silicon negative electrodes.

Optimized lithium titanium oxide particles resolve the trade-off between high-rate output and cycle efficiency in hybrid vehicle batteries.

A mixed carbon negative electrode material combines spheroidized graphitic particles with an amorphous carbon coating to enhance electrochemical performance.

A titanium-containing metal oxide negative electrode forms a stable manganese compound layer to enhance lithium ion diffusivity.

A negative electrode protective layer uses ceramic powder to inhibit internal short-circuiting while maintaining charged and discharged capacities.

Optimizing charge cutoff voltage and active material mass ratios reduces negative electrode volume expansion while maintaining positive electrode stability.

A silicon negative electrode material coated with a polymer containing amide and sulfo groups to enhance lithium ion conductivity.

Segmenting undoped and lithium-doped silicon oxide materials prevents alkali-modified CMC formation, reducing irreversible capacity loss.