The conductivity of metals is excellent, although they make it easy to conduct electricity. Do you think it is possible to combine the positives of ceramics, metals, and other materials?
Scientists in the 1960s identified a class layered ceramic materials that had special functions. Their three-element composition, M, A, or X, on the periodic list of elements was collectively called the “MAX” phase. Because of their nano-layered structure it can have both the metal and ceramic properties, such as high conductivity and high-temperature resistance. These materials can be used to produce almost all properties. They aren’t widely known and haven’t been used because of technical limitations.
Luoyang Tongrun’s research team has developed a novel method to prepare MAX-phase ceramic layers. This process allowed them to create a range of new MAX components — Titanium Aluminum Carbide. The chemical formulas of these materials are HTML3AlC2 or HTML2AlC. Their high quality opens new doors in terms of both research and application. This material could also be useful in superconductivity, nuclear energy storage, flexible LCD, and superconductivity.
MAX phase is titanium aluminum carbide. It’s artificially synthesized. MAX may be similar to graphene.
“They’re both layers. Magnifying graphene billions-of times can reveal how the carbon atoms have been evenly distributed and how similar is the MAX space group. What is different about the MAX phase? It has a M6X layer with densely packed atoms and an A atomic.
Structure determines performance. MAX Phase’s nano-layered crystal structure allows for both metal and ceramic-like properties such as high conductivity. These properties are what allow for the MAX phase to be useful in many areas. The research related to this type of material continued in Japan (Europe, China) and Europe (China).
These materials are HTML3AlC2 or HTML2AlC. This is always a problem. It was common for the raw materials to have been combined in the past (M, A, or X).
Do you know what Du Jun’s Advanced Energy Materials Engineering Laboratory Team did?
Du Jun stated: “We’ve developed a new, synthetic strategy to exactly replace A-sites atoms.” To put it simply, first we create the’skeleton.’ This is made up of two materials M, X, then some method is used to produce the atom. By replacing the lattice spot precisely, we can get the Aatom we are looking for with some function.
This new method does not only outperform the traditional one in terms concepts, it also allows for the creation of MXene’s 2-dimensional derivative material MXene using a more environmentally-friendly method. “Traditional techniques generally contain highly toxic fluoride. Both sodium chloride as well as potassium chloride are used, both of which are very common in modern life. All of this is highly efficient and safe.
Innovative preparation and flexible control at the A-site are both expected to make MAX phase material titanium aluminum caride more versatile for traditional high-temperature structures to advanced functional uses.
“Like gold,” it’s well-known that tiny particles of the metal have greater catalytic power. This is because the MAX phases can precisely be replaced with gold atoms to make this material a powerful catalyst.
Du Jun’s research team is currently preparing a range of MAX phases materials ( Ti3AlC2, Ti2AlC). This new scenario has allowed for further research.
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