Negative Electrodes TRIZ Cases

Plasma synthesis coats silicon nanoparticles with carbon to reduce volume expansion and extend battery service life.

LixM nanoparticles compensate for first cycle capacity loss by pre-storing lithium, reducing SEI formation and improving Coulombic efficiency.

A sulfonated elastomer and graphene composite shell encapsulates silicon anode particles to provide mechanical flexibility.

A lithium ion conductive polymer protective layer suppresses dendrite growth to prevent short circuits in high energy density batteries.

Silicon-containing alloy with dispersed transition metal silicide phases enhances electrochemical energy storage in lithium ion secondary batteries.

An aluminum-containing third layer constrains silicon-based active material volume expansion, suppressing swelling and improving cycle life.

Pyrolyzed rubber tire waste forms core-shell particles that stabilize metal oxide anodes, delivering high reversible capacity and extended cycle life.

Silicon alloy anode active material combines with carbon matrix to enhance capacity retention and control volume expansion.

Partial lithiation of nanoscale silicon particles reduces mechanical stress and passivation layers to stabilize cycling performance.

A silicon negative electrode uses a lithium silicate phase and an iron silicide alloy layer to suppress irreversible reactions during heat treatment.

Segmenting the negative electrode into layers with distinct particle sizes resolves the trade-off between fast charging kinetics and high energy density.

A negative electrode active material comprising doped and undoped silicon oxide powder particles.

Surface-bound phosphate prevents manganese reduction to Mn2+, eliminating graphite anode contamination and improving cycling stability.

Amorphous carbon anode material resolves low yield and high cost issues by using coal precursors to achieve stable cycle performance.

A non-aqueous electrolyte solution containing a hydrofluoric acid indicator changes color to detect HF gas presence without battery disassembly.

A lithium zinc secondary battery uses an oxide-coated zinc metal body to enable stable lithium insertion and extraction within a specific potential range.

Manganese salt electrolyte enables stable manganese metal anodes, preventing dendrite growth and side reactions common in lithium systems.

Composite binders using cellulose grafts and polyacrylates lower electrode resistance, enabling faster charge-discharge rates for lithium secondary batteries.

Polyimide and polyvinylpyrrolidone binder system in graphite-silicon anodes maintains electronic conductivity during cycling.

A carbonaceous core coated with spinel lithium titanium oxide and metal oxide particles enhances electrical conductivity.

Optimized electrolyte composition balances SEI formation and cell resistance to enhance high-temperature battery lifetime.