Negative Electrodes TRIZ Cases

A water-soluble LiPAI binder improves silicon anode adhesion and cycle stability without costly high-temperature curing.

High-circularity carbon anodes and a low-carbon carboxylate ester electrolyte improve charge input and high-temperature capacity retention.

A two-layer graphite and silicon anode improves adhesion, thermal stability, and quick charging in lithium secondary batteries.

A carbon-coated silicon anode limits swelling, blocks electrolyte side reactions, and preserves conductivity for longer-life lithium batteries.

Galvanic corrosion between stacked metal layers speeds negative-electrode dissolution and raises aluminum battery energy density.

A dual-layer graphite and silicon anode separates adhesion and reaction roles to improve thermal stability and quick charging in lithium secondary batteries.

A carbon-coated silicon anode structure keeps SEI thickness uniform after cycling, reducing side reactions and improving battery life.

Specific acrylate and rubber binder ratios help silicon anodes limit expansion, maintain collector adhesion, and reduce battery resistance.

Mixed anode particle shapes and angled alignment suppress resistance growth during repeated charge-discharge in nonaqueous secondary batteries.

Tilted particle orientations in the anode layer improve electrolyte infiltration, limiting lithium plating, deformation, and cycle loss at high density.

A lithium-ion permeable coating targets electrolyte decomposition sites on the negative electrode to curb SEI growth and limit resistance rise.

A dual-layer graphite and hard carbon anode preserves pore volume during pressing to raise capacity, rate capability, and cycle life.

A segmented cathode and oversized anode margin diffuse excess lithium ions to suppress anode plating and extend battery life.

Binder-bound silicon-carbon composite particles let carbon follow silicon expansion, reducing cracking and preserving cycle life in non-aqueous batteries.

PEO layers doped with lithium or zinc acetate improve wetting, suppress cation poisoning, and extend cycle life in aqueous Li-Zn batteries.

Multi-level graphite agglomerates with an amorphous carbon coating increase intercalation sites while preserving packing density for better rate capability.

A metal shell permeates a silicon anode core to raise conductivity, limit expansion, and improve first-cycle efficiency and cycle life.

Layered positive and negative electrode surfaces lower conductivity near the separator to cut short-circuit current and heat in high-energy cells.

Carbon or polymer coated silicon particles with controlled size distribution limit swelling damage, improving Li-ion battery cycle life and output.

An insulated reaction layer on the negative electrode suppresses lithium dendrites while allowing B1/A1 < 1 for higher energy density and cycle life.

A silicon clathrate type II anode and tuned anode-cathode capacity ratio preserve conductive paths and cycle durability under low restraining pressure.

Carbon-coated SiOx anode particles retain lithium during aqueous washing, limiting gas generation while improving first-cycle efficiency and cycling.

Grain-oriented LiCoO2 sintered cathodes improve high-temperature durability in thick lithium secondary batteries by stabilizing ion flow and resistance.

A silicon-carbon negative electrode controls SEI growth and irreversible reactions to raise Li-ion battery energy density without sacrificing cycle life.

A nanometal-nanocarbon functional layer boosts lithium-ion diffusion and limits surface precipitation to improve battery capacity and cycle-life.

Carbon coating after uniform Li doping stabilizes silicon anode particles, limits by-products, controls slurry pH, and improves battery efficiency.

Controlling XRD peak width in M3Me2X7 negative electrode alloys raises weight energy density while preserving high volume energy density.

A hollow core with spaced hard shells and a soft outer layer contains silicon expansion, preserving SEI integrity and cycle life.

Tuned anode non-faradaic capacitance and a silicon-containing electrolyte additive speed charging while suppressing impedance and side reactions.

Stable-state lithium on one-dimensional conductors creates in-situ electrode pores that improve electrolyte infiltration, energy density, and cycling stability.

Balancing a dense 30-100 μm carbon negative electrode with an imide-anion electrolyte improves energy density and lithium-ion insertion efficiency.

A Li-ion conductive separator coating evens lithium supply at the negative electrode to improve deposition uniformity and cycle endurance.

Single-particle nickel lithium metal oxide and 1-15 wt% silicon anode material cut gas, swelling, and cracking in lithium secondary batteries.

A low-conductivity Li-ion covering layer on the separator reduces ion congestion, evens lithium deposition, and extends cycle endurance.

A silicate matrix with dispersed silicon and Zr oxide limits volume-change damage while maintaining lithium-ion transport for better cycle life.

A dual-layer SiOx anode uses metal doping and carbon coating to limit side reactions, swelling, and fast-charge capacity loss.

A two-layer carbon anode balances electrolyte impregnation, adhesion, and lithium-ion transfer to improve rate capability and cycle life.

A silatane-based electrolyte additive forms an anode coating that suppresses side reactions and improves high-temperature storage and cycle life.

Sulfur mediates dual dispersants to keep carbon nanotubes well dispersed at low viscosity, improving electrode slurry processability and conductivity.

Spherical fluoropolymer particles form a fluorinated SEI that lowers interfacial impedance and improves low-temperature discharge and cycle life.

A sodium imide salt additive forms a lithophilic film that suppresses anode dendrites and resistance rise during rapid charging.

Carbon coating and metal doping in a dual-layer silicon anode curb swelling and side reactions, improving lifespan and fast charging.

A low-conductivity covering layer limits lithium-ion permeation, strengthens anode adhesion, and reduces capacity fade during cycling.

A mixed-porosity graphite anode enables single-step compression while preserving packing density and charge-discharge cycle life.

Dispersed Zr-containing oxide particles in a Li-Si silicate matrix restrain silicon expansion and preserve charge-discharge cycle stability.