Heat-insulating spacers and a temperature-triggered extinguisher sheet suppress thermal runaway and limit fire spread between battery cells.
A high-molecular-weight citric acid copolymer coating strengthens lithium metal surfaces, limits dendrite growth, and stabilizes cycling.
An insulative porous film with inorganic oxide and adsorbent particles helps prevent short-circuits while absorbing decomposition by-products.
Thickened metal at tab connection regions improves tab welding strength, lowers contact impedance, and raises battery connection yield.
Microscale surface textures on electrodes shrink bubble coverage and speed detachment, improving current density and output consistency.
A bimodal NCM cathode uses large and small particles to raise roll-pressing density and energy density while limiting electrode cracking.
A stiff binder and magnetic-field alignment keep graphite orientation during pressing, lowering resistance in lithium-ion negative electrodes.
A conductive hot-melt polymer joins a porous carbon collector to a dense tab, improving hermetic sealing, contact resistance, and flexibility.
A low-Ni martensitic stainless steel core between Cu layers raises proof stress to suppress collector wrinkling in alloy-based battery anodes.
A thin carbon coating redirects lithium-ion diffusion within a lithium metal electrode to suppress dendrites, limit swelling, and improve cycling safety.
Magnetic separation removes catalytic metals from CNT paste without damaging nanotube structure, improving positive electrode conductivity and battery output.
An acid-base hydrogel binder enables carbon nanotube free-standing electrodes that avoid metal collectors while improving dispersion and cycling stability.
Controlling conductive carbon filler surface area cuts oxidative decomposition current, improving lithium-ion battery cycle life and durability.
An inorganic-rich intermediate layer diffuses internal short-circuit heat while preserving adhesion between the current collector and mixture layer.
A composite current collector and conductive primer layer cut internal resistance while improving electron transport, cycling reliability, and energy density.
Oblique intermediate bones in the positive electrode grid shorten current paths, improving potential uniformity and reducing corrosion under high extraction current.
A graft copolymer binder with 30%+ gel fraction helps positive electrodes suppress degradation, retain high-temperature storage, and limit DC resistance.
A mixed aggregated and non-aggregated high-Ni cathode balances cycle life, capacity, and direct current resistance in nonaqueous batteries.
Controlled secondary inorganic particles in a positive electrode protective layer improve heat dissipation and limit temperature rise during internal short circuits.
A fibrous ceramic or polymer anode framework with lithiophilic surfaces guides lithium-ion transport in solid-state cells while suppressing dendrites.
Controlled 3D surface texture in electroplated iron foil limits tearing in sub-20 μm battery current collectors while preserving strength and elongation.
Rod-shaped and particle-shaped crystalline carbon are combined to cut resistance, support fast charge-discharge, and limit anode expansion.
A stacked carbonized PAN fiber host guides lithium deposition to suppress dendrites, stabilize SEI, and extend cycle life.