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  • The advantages of lithium-ion batteries
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    The advantages of lithium-ion batteries

    1. High specific energy, the ratio of energy to mass of lithium-ion battery can reach 120~200Wh/kg, which is the highest among current batteries. Since metallic lithium is very light, it has the most ...

    2021-01-21
  • What is the effect of graphene on the body
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    What is the effect of graphene on the body

    Graphene is used to accelerate the osteogenic differentiation of human bone marrow mesenchymal stem cells, and it is also used to make biosensors for epitaxial graphene on silicon carbide.

    2021-01-19
  • The mechanism of graphite lubrication
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    The mechanism of graphite lubrication

    Graphite has a hexagonal crystal structure. Because the bonding force between the surfaces parallel to the foundation surface is weak, these crystals are easy to shear between the surfaces, that is, the friction force is small, and at the same time, it can support the load perpendicular to the foundation surface, so the bearing capacity is strong, and the friction coefficient is small. It has the best properties as a solid lubricant.

    2021-01-14
  • Lithium-ion battery anode material PK: graphite vs silicon material
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    Lithium-ion battery anode material PK: graphite vs silicon material

    Graphite materials are the veterans of the lithium-ion battery industry and have many excellent qualities. However, with the emergence of a number of high-performance anode materials in recent years, it has threatened the status of graphite materials and performed a drama of falling in love and killing each other. As an outstanding representative of new materials, silicon anode material is really unreasonable with graphite.

    2021-01-13
  • Why can graphite be used as a pencil?
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    Why can graphite be used as a pencil?

    The main components of the lead core of the pencil are graphite and clay. According to the national standard, pencils are divided into 18 models according to the graphite concentration. In the current standardized test in our country, the computer can only read the pencil handwriting with a lead concentration of 2B. Too thick or too light will cause computer failure or error in reading.

    2021-01-11
  • What is a graphite electrode?
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    What is a graphite electrode?

    Graphite electrode refers to a kind of resistant material made by using petroleum coke and pitch coke as aggregate and coal pitch as binder through raw material calcination, crushing and grinding, batching, kneading, molding, roasting, impregnation, graphitization and mechanical processing. High-temperature graphite conductive material, called artificial graphite electrode (referred to as graphite electrode), to distinguish it from natural graphite electrodes prepared from natural graphite.

    2021-01-07