Negative Electrodes TRIZ Cases

Phase-change metal powder in hot-gas paths absorbs runaway heat, limiting propagation to adjacent accumulators and module pressure rise.

An anion-derived LiFSI in CPME electrolyte builds a LiF-rich SEI, improving low-temperature capacity and lowering charge transfer resistance.

Using PHA as an electrode binder improves adhesion at low loading, preserving battery capacity and conductivity while boosting stability.

A potassium phosphorus oxoacid electrolyte paired with a hydrogen storage alloy electrode improves charge-discharge activity and cycle stability.

Silicon-rich first layers and a graphite overlayer spread expansion stress and preserve conduction paths for longer lithium-ion battery cycling.

Fluorinated electrolyte additives stabilize lithium salt and suppress side reactions, cutting resistance and electrolyte loss in Si-C anode cells.

A layered silicon-graphite anode places the composite near the current collector to constrain swelling and improve cycle retention.

A dual-polymer electrode binder balances peel strength with reduced surface metal deposition after battery charge-discharge cycling.

Aqueous and rubber binder ratios help silicon anodes limit swelling during cycling, extending battery life and supporting high energy density.

A partially crosslinked anode binder suppresses silicon-driven swelling, maintains conductive paths, and improves capacity retention.

An acidic functional polymer neutralizes LSO slurry pH and forms a barrier that preserves capacity while improving electrode adhesion.

A lithiated XNBR binder strengthens sulfur cathodes by trapping lithium polysulfides, limiting shuttle loss, and preserving structure during cycling.

Boron-doped scaly graphite builds conductive paths for silicon anodes, improving lithium secondary battery capacity retention.

Alternating thick and thin anode regions create groove-like flow paths that speed electrolyte impregnation while preserving capacity and lowering resistance.

Biomass pyrolysis under subcritical or supercritical CO2 or N2 forms carbon foam that stabilizes silicon anodes against expansion while preserving capacity.

Macropores in a lithium battery negative electrode cut ionic resistance and absorb expansion, improving fast charge-discharge and cycle life.

A polyurethane sodium salt binder using hydrogenated polybutadiene polyol helps SiO electrodes limit swelling and gas generation during cycling.

A copper-containing shell raises titanium niobate conductivity and intercalation, improving Li-ion battery capacity and cycle life.

A double-layer silicon anode balances pre-lithiation and capacity to limit surface degradation and extend lithium secondary battery life.

Optimized silicon-carbon particle size ratio and 48-62% porosity help battery anodes absorb expansion while preserving contact and output.

A two-layer graphite electrode balances binder use and shear strength to suppress interlayer fracture while improving battery life and capacity.

Granulating graphite with dispersed LTO particles lowers short-circuit heat while preserving lithium-ion battery capacity.

Adding 1-20% zirconium oxide to a hard carbon anode mixture raises sodium-ion battery charge capacity, discharge capacity, and efficiency.

A core-shell phosphorus-carbon composite balances high charge-discharge capacity with durability in lithium secondary battery anodes.

Negative electrode resistance tuning with artificial and natural graphite improves low-temperature power while preserving battery energy density.

A segmented negative electrode balances coating weight and compacted density to reduce lithium plating and improve Li-ion battery cycling.

Controlled Mg anode crystal orientation and separator porosity cut overvoltage while suppressing internal short circuits in secondary batteries.

A two-region negative electrode film balances compaction density and ion transport to improve battery energy density, dynamic response, and cycle life.

By making the active material also collect current, this anode cuts battery weight and volume while simplifying Li-Ion cell manufacturing.

A waterborne addition-polymer binder improves negative electrode coating adhesion and flexibility while limiting cracks during battery cycling.

Controlling aggregate content to 30% or less in a carbon-matrix anode suppresses expansion while improving rate capability and cycle stability.

LixMnO2 in the positive active layer supplies lithium for SEI formation and repair, reducing Mn dissolution and LiMn2O4 capacity fade.

A two-region negative electrode layer preserves active material orientation during press work while maintaining ionic conduction and rate performance.

A porous silicon-carbon anode layer boosts capacity while improving lithium-ion transport and lowering impedance for faster charge and discharge.

Artificial graphite secondary particles and defined cell dimensions balance higher energy density with faster charging, longer cycle life, and heat storage stability.

Different graphite layer loadings on each side of the current collector balance high capacity, low resistance, and fast charging.

Metal-coated fibers in cathode and anode films cut resistance, enabling faster charging, higher power, and lower Joule heating.

A silicon nitride or oxynitride interlayer with N-doped carbon helps SiOx anodes control swelling, lower resistance, and retain capacity.

A carbonate ester electrolyte with an intercalation anode enables metal halide batteries to charge in 10-15 minutes and last up to 1000 cycles.

A segmented active-layer layout buffers volume during winding to control NiMH electrode tightness, reduce cracking, and preserve energy density.

Controlled Li1+xTM1−xO2 nickel-rich particles with dopants suppress gassing and resistance growth while improving battery cycle life.

Nitrogen-doped amorphous carbon and a protective layer guide uniform lithium plating, suppress dendrites, and improve cycle life.

A Si-O-C anode material uses a silicon oxycarbide and carbon matrix to limit silicon expansion while preserving capacity and retention.

A Cmca T2-phase lithium metal oxide cathode improves high-voltage rate capability while limiting crystal structure collapse and capacity fade.

A phosphonium-FSI ionic liquid electrolyte stabilizes the SEI on silicon anodes, limiting cracking and electrolyte decomposition.

Carbon nanotube networks in both electrodes preserve conductivity and electrolyte flow in high-density nonaqueous batteries despite charging expansion.

A porous binder scaffold in a thick cathode keeps lithium-ion flow uniform, limiting polarization and preserving battery life at high energy density.

A graphite anode layer balances dense packing with near-surface porosity and particle alignment to improve ion conduction and charging rate.

A carbonized coating keeps lithium concentrated inside silicon oxide anodes, reducing water attack and improving slurry stability.

A Super P and CNT conductive blend in the anode cuts battery temperature rise during charging without sacrificing energy density.