Whisker carbon nanotubes can be used in lithium-ion batteries, electrothermal conversion devices and nanocomposites. With its high strength, high electrical conductivity and high thermal conductivity, it is an important reinforcing phase of nanocomposites, which can greatly improve the rate and cycle performance of lithium-ion batteries and the various properties of composite materials. Whisker carbon nanotubes also have the ability to adsorb electrolytes and are important additives for positive and negative electrode materials of power lithium-ion batteries.
Among them, whisker carbon nanotubes (Whisker CNT) are widely used by lithium battery manufacturers as a new type of conductive agent due to their superior electrical conductivity to increase the rate and cycle life of lithium batteries. In addition, whisker carbon nanotubes are widely used in industrial fields such as far-infrared emission, electrothermal conversion, thermal refrigeration, lithium-ion battery conductive and thermal conductive agents, thermal conduction, electromagnetic shielding, and functional nanocomposites.
Why are whisker carbon nanotubes favored by major manufacturers?
(1) Whisker carbon nanotubes are very easy to disperse and can be used directly as dry powder. They are suitable for dry electrodes and can improve the strength of dry electrodes and reduce membrane resistance.
(2) Compared with carbon black conductive agents, whisker carbon nanotubes are fibrous and can build long-range conductive networks. They also have a small specific surface area and fewer side reactions.
(3) In sulfide solid electrolyte systems, dry mixing is used. Whisker carbon nanotubes are the best fibrous conductive agent due to their excellent dispersibility.
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