JIA YI HUA
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17
2023
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11
Three questions take you to know the "king of new materials"-graphene!
Author:
If you want to say now what new equipment fire?
Everyone thinks of drones and robots.
What about a new process fire?
This is undoubtedly 3D printing.
What about new materials?
Many people think of graphene.
It's only one 200000 the thickness of the hair,
It is 200 times stronger than steel.
Graphene in the end is what sacred?
What is Graphene
First of all, it is composed of carbon atoms, which have the characteristics of graphite and olefin. Graphite is a hexagonal three-dimensional layered structure, and olefin is a two-dimensional plane symmetrical structure. The comprehensive authoritative definition is: graphene (Graphene) is a kind of two-dimensional carbon nanomaterial composed of carbon atoms with sp ♥ 2; Hybrid orbitals form hexagonal honeycomb lattice.
Graphene is ultra-thin, ultra-light and super-strong, and has many magical properties, so it is known as the "king of new materials".
Graphene has incredible physical properties that are revolutionary for a wide variety of fields. For example, it can be used as a touch screen because it is a transparent conductive film; it may also be used as an ultra-fast integrated circuit, because the electrons in graphene run very fast, and the electron mobility at room temperature exceeds 10 times that of silicon materials; it is A lightweight and high-strength material has very important application prospects in the aerospace field; its electromagnetic shielding properties can also be used to make stealth aircraft and stealth materials......
In addition to industrial applications, graphene can also be used in our daily necessities.
Graphene has good electrical and thermal conductivity, mechanical properties and mechanical properties. Adding it to other materials can greatly improve the thermal, electrical, mechanical, adsorption and other properties of the substrate material. Graphene mask is a new type of protective mask formed by the innovative application of a new type of graphene polypropylene meltblown cloth material in the key filter layer between the spunbonded non-woven fabrics that make up the ordinary mask. Compared with ordinary masks, the new graphene mask has the remarkable characteristics of stronger antibacterial, better air permeability and longer use time.
Graphene insole is an intelligent insole that integrates pressure sensing technology. The core sensing unit is a sensor array composed of graphene functional materials, which can not only sense human gait information more accurately, but also monitor the pressure distribution and changes of the sole of the foot, and can meet the application requirements of professional motion analysis and medical auxiliary diagnosis.
In addition to the above applications,
Graphene due to the unique optical and mechanical properties
Often used in aerospace,
New energy, electronic information, furniture and other fields
Do the real "treasure" type "black technology"!
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