Collector attachment to sealing plates with specific tab group connections minimizes space usage, increasing energy density in prismatic secondary batteries.
Porous carbon nanotube sponge traps polysulfides and provides electron pathways, resolving structural damage from volume expansion.
Aluminum transition metal phosphate binder joins electrode layers without polymer binders, preventing decomposition and porosity at high voltages.
Ion exchange particles release gold or platinum cations to form metal nanoparticles on the negative electrode active material surface.
A niobium and carbonate covering layer on lithium transition metal oxide core particles reduces interface resistance with solid electrolytes.
Firing stacked electrode and electrolyte green sheets under controlled low pressure to achieve close layer joining.
Polyimide-base resin binders suppress volume changes and granular metal growth in transition metal compound anodes, maintaining structural integrity.
An ionic organic substance coats electrode particles to form a conductive carbonaceous film, suppressing particle growth during high-temperature carbonization.
A secondary battery uses an irregularity-formed portion on the negative electrode current collector to capture ultrasonic bonding debris.
A polymer binder composition with specific particle size ratios enhances binding capability between active materials and collectors.
Controlled co-precipitation achieves uniform manganese ion concentration in precursors, preventing composition non-uniformity during high-voltage charging.
A lithium positive electrode active material with a specific spinel composition optimizes nickel and manganese ratios for high energy density.
Binderless silicon nanofiber paper mitigates volume expansion fracturing to maintain structural integrity and cycle stability.
Carbon film coatings on lithium battery electrodes prevent side reactions and shuttle effects, extending discharge capacity and lifespan.
Barium titanate stabilizes the crystal structure of a lithium-nickel composite oxide, reducing oxygen desorption while maintaining charge-discharge capacity.
Condensing polyacrylic acid with multifunctional amines creates a crosslinked polymer binder for battery negative electrodes.
Radial silicon oxide concentration gradients resolve the trade-off between high capacity and structural stability in rechargeable lithium batteries.
Three-dimensional architected pyrolyzed electrodes use carbonized polymer frameworks to deliver high specific strength and low density.
A chemical synthesis route uses LiMn2O4 as a precursor to form LiMnPO4 composites, improving electrical conductivity without unstable carbon coatings.
Dispersing silicon-lithium fluoride mixed particles in a carbon matrix accommodates volumetric swelling during cycling, improving cycle life characteristics.
An aluminum boron coating on a doped core improves thermal stability and cycle-life at high voltages.
Pressing pre-calcined electrolyte powder creates dense layers that resolve slow ion transport resistance while maintaining mechanical stability.
Controlling the median particle diameter and volume distribution of manganese-containing powder eliminates sieving requirements during calcination.
A porous silicon-based anode active material accommodates lithium ion diffusion through its internal void structure.
Hydrothermal synthesis creates a copper-zinc-tin-sulfur nanowall anode that overcomes carbon material capacity limits while maintaining high cycle stability.
Pitch-coated graphene sheets improve high-rate discharging and cycle life by reducing side reactions with the electrolyte.
A composite-coated nano-tin anode with a copper and carbon layer structure prevents volume expansion and stabilizes the SEI film during cycling.
A silicon-based anode active material comprising a silicon phase, an SiOx phase, and a carbon dioxide phase.
A solvent-free method creates porous electrodes by heating or dissolving particulate pore formers within a compact electrode matrix.
A deposition method for solid-state thin film batteries uses a post-deposition lithiation step to form electrode and electrolyte layers.
Applying a lithium fluoride coating to lithium manganese oxide cathodes shields the material from hydrofluoric acid attack, maintaining capacity retention.
A lithium metal oxide powder with a core and surface layer structure reduces nickel dissolution to maintain cycle stability at high voltages.
A lithium battery cathode material applies a composite coating to boost ion conductivity, resolving the trade-off between cycle-life and active mass density.
A mixed sodium-lithium spinel electrode material uses ion exchange to synthesize NayLixNizMn(1-z-z′)Mz′Od compositions.
Lithium titanium oxide with specific FWHM parameters resolves the trade-off between energy density and safety in rechargeable batteries.
Fluorine coatings protect layered lithium nickel-manganese-cobalt cathodes from electrolyte decomposition, improving cycle life and thermal safety.
An amorphous carbon coating on a crystalline core reduces interface resistance to improve high-rate charge characteristics.
Amorphous carbon coatings on heated polysilane-derived silicon reduce specific surface area, suppressing electrolyte decomposition and improving cycle life.
Low-density carbon nanotubes allow sulfur diffusion to the base end, maintaining electrolyte supply pathways during discharge volume expansion.
Silane coupling agent grafts polymer onto silicon particles to form a carbon layer that prevents agglomeration and improves conductivity.
Internal fiber-type carbon enhances LiFePO4 particle conductivity, solving poor charge participation at the core.
Porous insulating layer on electrode composite layer improves insulation reliability by ensuring surface roughness remains smaller than average film thickness.
Interwoven silicon and carbon nanocomposites provide high tap density for lithium-ion battery anodes.
Varying cobalt and manganese content by particle size resolves the trade-off between high voltage capacity retention and chemical stability.
A composite positive electrode active substance uses carbon materials and metal fluoride to suppress water adsorption on lithium phosphate surfaces.
A composite positive electrode active material uses a polyanion structure-containing compound as a reaction suppressor to coat the surface of transition metal particles.
A silicon-carbon anode material with controlled particle dispersion and volume ratios.
A method produces aqueous polyimide precursor solutions by reacting tetracarboxylic acid and diamine components with imidazole in water.
A composite coating layer on anode active material improves electrolyte impregnation by resolving hydrophobicity issues that hinder slurry miscibility.