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Porous carbon nanotube microspheres and production method and use thereof, metallic lithium-skeleton carbon composite material and production method thereof, negative electrode, and battery
Porous carbon nanotube microspheres and production method and use thereof, metallic lithium-skeleton carbon composite material and production method thereof, negative electrode, and battery
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机译:多孔碳纳米管微球及其制备方法和用途,金属锂骨架碳复合材料及其制备方法,负极和电池
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摘要
Disclosed is a porous carbon nanotube microsphere material and the preparation method and use thereof, a lithium metal-skeleton carbon composite and the preparation method thereof, a negative electrode of a secondary battery, a secondary battery, and a metal-skeleton carbon composite. The porous carbon nanotube microsphere material is spherical or spheroidal particles composed of carbon nanotubes. The spherical or spheroidal particles have an average diameter of 1 µm to 100 µm. A large number of nanoscale pores are composed of interlaced nanotubes inside the particle, and the pore size is 1 nm to 200 nm. The preparation method thereof comprises: mixing and dispersing carbon nanotubes and a solvent, and performing spray drying, to obtain the carbon nanotube microspheres. The lithium metal-skeleton carbon composite is obtained by uniformly mixing lithium metal in a melted state with a porous carbon material carrier and cooling.
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