Periodic deep discharge at low cutoff voltage and elevated temperature recovers trapped lithium in silicon-dominant anodes to extend capacity and cycle life.
Low-temperature delithiation and relithiation regenerate spent LFP electrodes with less waste and energy while restoring strong battery capacity.
A catalyst-containing carbon coating improves additive conductivity and lowers decomposition voltage, reducing side reactions and boosting battery cycling.
Hollow glass spheres release electrolyte and additives over time to replenish Li ions, delay secondary-cell aging, and preserve capacity.
Piezoelectric vibration dislodges gas bubbles from battery electrodes and separators, improving rechargeable cell efficiency and safety.
Puncturing the cell vent and submerging batteries in a conductive fluid speeds discharge to a safe voltage while reducing fire risk in recycling.
Lithium replenishment through an external electrode restores used battery capacity and avoids the high cost of chemical or thermal recycling.
Applying alternating electrical signals to battery terminals induces electrode vibration, improving electrolyte wetting and reducing capacity loss over cycles.
Higher-rate discharge before recovery amorphizes the carbon surface layer, improving fast charge-discharge in reused lithium-ion anodes.
High-rate discharge before recovery amorphizes the anode surface, improving fast charge-discharge behavior in reused Li-ion material.
Controlled overdischarge below the cathode copper elution threshold mitigates reaction variance in all-solid-state batteries and restores performance.
An aqueous Fe2+/Fe3+ redox solution discharges spent Li-ion batteries quickly while avoiding toxic gas evolution and corrosion.
Pumped electrolytes form and regenerate lead-acid electrodes in situ, limiting stratification and sulfation to extend cycle life.
A p-phenylenediamine and lithium salt treatment restores degraded Li-Ion battery capacity, then is removed to preserve cycling stability.
Pumped multi-electrolyte flow enables in-situ electrode fabrication and regeneration, reducing sulfation and stratification to extend cell life.
Grouped saltwater discharge of used battery packs improves throughput, limits heat buildup, and recovers chlorine, hydrogen, and sodium hydroxide.
A fluorinated carbonate electrolyte improves ion transport while reducing flammability and oxidative instability in nonaqueous lithium-ion batteries.
Hollow glass spheres inside a Li-Ion cell slowly release electrolyte or lithium ions to offset aging and maintain battery capacity over time.
A recovery method for lithium transition metal oxide from spent batteries using thermal and chemical purification steps.
A method recovers lithium phosphate from waste solutions using phosphorus precipitation and pH adjustment.
A regeneration electrode replenishes cyclable lithium in anode and cathode, addressing capacity degradation from solid electrolyte interface growth.
A secondary battery capacity recovery method maintains a higher temperature in the non-facing electrode region to drive charge carrier movement.
Halogenated para-aminophenol yields robust redox polymers that boost power density while simplifying synthesis compared to polyaniline.
Calcium carbide reacts with ionic electrolytes to remove water below 20 ppm, resolving high residual moisture in lithium-ion battery systems.
A storage battery recycling apparatus applies pulse voltage to electrodes via SCR phase control.