Negative Electrodes TRIZ Cases

Layered D50 particle grading in the negative electrode improves pore uniformity, lithium-ion migration, and battery life.

Magnesiothermic reduction converts silicate-containing graphite directly into silicon-graphite anode material, cutting cost and avoiding hazardous precursors.

SOC limits tied to Si-carbon mixing and capacity ratios help curb silicon swelling damage while preserving cycle life and energy density.

A polymer in the negative electrode raises hydrogen overvoltage to curb overcharge and electrolyte loss without harming charge acceptance.

A dry PTFE binder with a nitrogen-containing protection layer prevents side reactions and binder migration in thick lithium battery anodes.

Controlling silicon particle convexity in a negative electrode cuts electrolyte side reactions, improving initial efficiency and cycle life.

A copolymer film on silicon anodes limits lithiation swelling, prevents SEI rupture, and preserves Li-ion transport for safer cycling.

A Ni-sulfonate additive forms an SEI on the cathode to suppress electrolyte decomposition and preserve capacity at high temperature.

An integrated boron nitride-polymer composite layer replaces laminated separators to improve puncture strength, heat stability, and battery life.

A low-Tg co-binder with PAI improves electrode adhesion and flexibility, helping silicon anodes resist cracking during charge-discharge cycling.

A moisture-scavenging electrolyte additive suppresses lithium salt and transition metal side reactions, improving high-temperature battery stability.

A fluorinated solvent blend suppresses electrolyte decomposition at high temperature, cutting gas generation while maintaining ion conductivity.

An LTO-CNT first electrode layer raises resistance during external short circuits, cutting heat while preserving battery capacity.

Two electrolyte additives stabilize salt decomposition products and form an SEI layer to suppress gas generation and resistance at high temperature.

Flake graphite in a silicon-based anode layer improves slippage and protects the current collector from cracking during battery cycling.

An integrated sea-island organic layer replaces separator lamination to improve adhesion, reduce heat shrinkage, and retain lithium battery life.

A tuned graphite anode loading and conductive ester-based electrolyte improve fast charging, cycle life, and gas control in secondary batteries.

Carbon and graphene shells with SWCNTs keep Mg-silicon oxide connected during swelling, improving cycle life and high-temperature storage.

A silicon anode sized to at least 4x the cathode particle surface area improves initial efficiency, limits side reactions, and extends battery life.

Organic lithium salt and tuned cathode coating balance high areal energy density with faster lithium-ion transport and lower impedance.

Orientation-controlled silicon-carbon anode layers improve lithium mobility, enabling faster charging, higher capacity, and longer cycle life.

An imidazolium sulfonate additive neutralizes PF5 and HF, reinforces electrode films, and limits self-discharge during high-temperature storage.

A trigonal lithium nickel oxide additive with a LISICON coating offsets silicon-anode irreversible capacity while suppressing gas and impurity generation.

Laser-ablated metal nanoparticles in lead-acid electrode paste improve charge transfer and curb lead sulfate buildup for longer battery life.

A fluorine-containing polyimide shell on a silicon anode limits swelling, blocks electrolyte reactions, and improves high-temperature life.

A tailored polyimide binder enables silicon anode layer curing near 200°C, protecting current collectors while improving cycle life.

A tuned fluorinated cyclic carbonate-to-silicon ratio stabilizes the SEI, reducing electrolyte loss and extending battery cycle and storage life.

Controlled silicon-carbon composite structure and dQ/dV peak ratio improve cycle life and expansion resistance without losing capacity.

An emulsion-polymerized aqueous binder helps lithium-ion anodes suppress swelling, maintain adhesion, and resist breakage during cycling.

Thermal oxidation and high-temperature heating tune hard carbon SPC factor to raise reversible capacity and sodium plateau performance.

Fluorinated carbonate electrolyte and tuned LCO, graphite, and silicon electrodes help sustain discharge capacity in low-temperature operation.

Lactone-based electrolytes with tailored additives curb battery fire risk while preserving graphene electrode energy and power density.

An in situ cathode SEI formed from an anode reductant layer retains polysulfides and improves lithium-sulfur cell life and efficiency.

Carbon-alloy composite anodes raise sodium-ion volumetric capacity while managing expansion and preserving cycle retention and efficiency.

A tuned separator pore-volume-to-anode-capacity ratio preserves electrolyte infiltration and improves secondary battery cycling.

Organic lithium salt and tuned positive electrode areal density improve ionic transport, cut impedance, and preserve battery dynamic performance.

A mesoporous silicon-carbon anode confines silicon expansion with layered vapor-deposited coatings, improving efficiency, rate capability, and cycle life.

A zeolite porous substrate filled with amorphous silicon limits SEI growth, buffers expansion, and extends lithium battery cycle life.

A hydrophobic-core, hydrophilic-shell binder improves electrode adhesion to the current collector while keeping battery internal resistance low.

A dual-peak conductive dispersion improves slurry dispersibility and conductivity, helping lithium batteries raise energy density and capacity.

A liquid metal coating on a zinc anode suppresses corrosion, hydrogen evolution, and dendrites in weakly acidic aqueous batteries.

Three crystalline carbon layers with tuned orientation improve lithium-ion transport, adhesion, and structural stability during fast charge-discharge.

Balancing monocrystalline and polycrystalline ternary cathode materials with conductive agent and areal density improves DCR without losing cycle life.

Amorphous carbon-coated natural graphite and carbon nanotubes improve electrode adhesion while reducing gas generation and volume expansion.

Sized silicon, graphite, and carbon nanotubes form a conductive anode network that limits contact loss from silicon expansion and improves initial cycle life.

Kneading energy from measuring bar insertion and load reveals CMC adsorption in anode slurry, helping improve dispersion and reduce coating defects.

Porous anode particulates with a thin conductive shell absorb Si or Sn expansion, reducing capacity decay and improving cycle stability.

A dry PTFE binder with an N-containing protection layer prevents binder migration, enabling thicker lithium battery anodes with better efficiency and cycle life.

High heat capacity materials in electrodes and electrolytes absorb heat and delay thermal runaway in high energy density batteries.