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John Lee
RFID News
New Method for Manufacturing Graphene Three-Dimensional Objects
2018-12-17 2:49:40 / Editor - Naomi / Source - RFID tag World - XMINNOV

New Method for Manufacturing Graphene Three-Dimensional Objects


If there is a new material that is likely to set off a new technology and new industrial revolution that sweeps across the globe, then many people will think of graphene. The honeycomb structure composed of single-layered carbon atoms has many excellent characteristics such as lightness, thinness, flexibility, high lightness, excellent electrical and thermal conductivity.


As a very popular new material and new technology nowadays, the author has previously introduced many innovative research results on graphene, involving the characteristics of graphene, preparation methods and practical applications.


From a practical point of view, graphene is used in flexible electronics, high-efficiency transistors, new sensors, new materials, batteries, supercapacitors, semiconductor manufacturing, new energy, communications, terahertz technology, medical care, aerospace energy technologies, molecular electronics, and many others. The field has important value, so it has great commercial prospects and is a strategic material that all countries in the world are researching.


However, the preparation of high-quality graphene by a low-cost, easy-to-operate, and high-efficiency preparation method is critical for the large-scale production and commercial use of graphene. For example, the author once introduced the "microfluidization method", "explosion method", "laser induction method" and other preparation methods.


In February of this year, I once introduced the lab of James Tour, a chemist at Rice University in the US, to “burn” laser-induced graphene (LIG) into paper, clothes, coal, certain foods and even toast bread.


The LIG pattern is written into the target material and can be used as a super capacitor, an electrocatalyst, an antenna. For example, the LIG pattern can be used as an RFID tag on foods to record food production addresses, production dates, and other information; it can also be used as a sensor to detect E. coli and other microorganisms in foods. In addition, Tour said that flexible wearable electronics will be an early market application for this technology, such as placing conductive wires into clothing, which can be used to heat clothes or add sensors or conductive patterns.


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