Negative Electrodes TRIZ Cases

A Si-Zn-M alloy negative electrode uses a specific resin binder to accommodate volumetric changes during charge-discharge cycles.

Segmenting the anode into graphite and silicon layers resolves structural instability from volume expansion while maintaining high capacity.

A lithium-ion battery electrode uses partitioned anode and cathode regions with varying resistance to manage lithium deposition kinetics.

Embedding ultra-fine silicon in a carbon matrix prevents oxidation and boosts cycle stability for lithium battery anodes.

Graded carbon materials in the negative electrode mixture layer maintain conductive paths, suppressing capacity degradation from volume expansion.

A carbon thin layer with titanium nitride catalyst blocks polysulfide shuttle while maintaining conductivity, boosting capacity.

Carbon-coated silicon compound particles prevent particle breakage and electrolyte decomposition to maintain high battery capacity.

Layered aromatic dicarboxylate framework stabilizes crystal structure, reducing electrolyte decomposition and initial irreversible capacity.

Carbon-coated silicon oxide particles with controlled X-ray diffraction ratios enhance conductivity and structural integrity in lithium ion batteries.

Molten salt electrolysis enables uniform doping of silicon anodes, resolving the trade-off between first-cycle coulombic efficiency and cycle reliability.

A Fe3C-doped graded porous carbon polymer anode material enhances potassium ion battery capacity through nested structural design.

Film-forming electrolyte additives protect electrodes, suppressing capacity loss and expansion.

A porous binder scaffold supports evenly dispersed active material particles in a thick film cathode structure.

Optimized lithium sulfate concentration stabilizes the solid electrolyte interface, suppressing resistance increase and capacity degradation over time.

Aligning distinct crystal phases along the c-axis reduces lattice strain during cycling, preventing self-release of hydrogen.

A nonaqueous electrolyte battery with a controlled positive to negative electrode capacity ratio of 1.2 to 2.

Segmented silicon carbide particles resolve the stability versus intercalation trade-off, enabling reversible ion insertion.

Dicarboxylic acid coating on Li-rich transition metal oxide suppresses electrolyte decomposition and side reactions to improve initial efficiency.

A Zn compound coating on the electrode surface suppresses hydrogen generation through high overvoltage.

Hybrid electrodes use porous silicon and carbon to accommodate volume changes, preventing delamination and maintaining structural integrity.

Crystalline metal active material with controlled perpendicular slip plane size suppresses particle micronization during cycling.

An artificial SEI layer coats silicon electrodes to stabilize the surface and reduce mechanical stress during cycling.

Lithiated titanate oxide anodes enable rapid lithium ion surface reactions in electrochemical cells.

A silicon negative active material features a micrometer-sized core coated with an oxide layer and a conductive outer shell.

A silicon negative electrode sheet uses vertical through holes in active coating layers to improve ion transmission and liquid holding capacity.

Distributing silicon particles within a porous carbon core prevents cracking from volume expansion, improving cycle life and discharge capacity.

A negative electrode uses hydrogen storage alloy particles with controlled chlorine levels and a nickel-rich surface layer to stabilize electrochemical reactions.

An alloy phase undergoing thermoelastic diffusionless transformation mitigates strain from volume changes during charging and discharging.

A lithium secondary battery anode uses natural graphite particles sized 9 to 14 micrometers with a carbide coating.

A solid-state battery anode blends high and low specific surface area graphite particles to optimize interfacial contact.

Non-uniform binding agent distribution in silicon negative electrodes prevents active material agglomeration during cycling, improving cycle life.

A yolk-shell anode material uses a carbon shell to enclose silicon nanoparticles, improving gravimetric energy density.

Composite anode material combines silicon particles with carbonaceous matrix to buffer volume expansion and maintain electrical conductivity during cycling.

A negative electrode featuring a high hole density active layer improves energy density and cycle life by reducing swelling during rapid charge cycles.

A dual anode-protecting layer system prevents dendrite formation and internal shorting, improving cycle life.

A silicon-tin alloy negative electrode features a carbon cover layer with specific particle size ratios to enhance electrical conductivity.

Pre-lithiated cathodes mitigate capacity fade from SEI formation, enhancing specific energy and cycle stability in high-capacity cells.

Dividing charging into multiple sections with specific cutoff voltages prevents lithium dendrite formation and extends battery lifespan.

A copolymer binder with a wet modulus of 0.02 MPa or more maintains mechanical strength after electrolyte impregnation.

Composite metal-coated fibers and branching nickel powder reduce cathode volume resistivity, enabling faster charge rates without increasing battery weight.

Porous host material particles encapsulate flame retardants to prevent thermal runaway and overheating in lithium battery electrochemical cells.

Titanium oxide negative electrode stabilizes potential to suppress heat generation in nonaqueous electrolyte batteries.

A lithium composite oxide with a multiphase structure enhances ion diffusibility and intercalation capacity.

A precipitation and calcination method produces spherical lithium-nickel-manganese oxide particles with high tamped density for battery electrodes.

Segmented hollow silicon spheres with flexible carbon shells maintain electrical contact during volumetric expansion, reducing irreversible capacity loss.

A binder agent composition containing polyacrylic acid polymers and bivalent to decavalent alcohols maintains electrode structural integrity during cycling.

Blending niobium-titanium oxide into a lithium-titanium anode resolves flat plateau issues that hinder state of charge estimation accuracy.

Inner fluororesin gradient reduces electrolyte contact area to suppress internal pressure rise during reverse charging.