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.