Now the use of chemical fuels for power generation methods inevitably generates heat waste. If scientists can use the low-grade heat generated in these power generation processes to recycle the waste heat contained in them, it can further increase energy conversion efficiency and reduce waste. A team of engineers at Penn State University developed a "Thermally Regenerative Ammonia Battery (TRAB)" that can recover low-grade thermal energy and generate electricity.
Low-grade thermal energy refers to thermal energy that is difficult to use, such as thermal energy of seawater, thermal energy of geothermal heat, thermal energy discharged from industrial waste heat, and so on. The TRAB battery developed by Penn State Universityâ€™s research team can recycle the low-grade heat that it continues to generate and use it for battery charging. Of course, there are other ways to recover waste heat, but TRAB batteries have achieved a very good balance between efficiency and cost. The lanthanum compound battery can only have a thermoelectric conversion efficiency of only 15-20%. While the fulvalene diruthenium-based battery has a much higher conversion efficiency, the cost is too high and the source is scarce.
According to researchers at Penn State University, the electrode materials of the new heat recovery battery system use a wide range of copper and ammonia sources, and the conversion efficiency reaches 29%. The low-grade heat energy in the ammonia compound can be used to heat the copper ions near the electrodes in the TRAB battery to react and charge the transport electrons. According to researchers, the power density of TRAB is about 60 watts per square meter, which is about 6-10 times that of other liquid thermoelectric power conversion systems. Researchers continue to focus on increasing power density, and in the future to achieve prototype production of scalable production for commercial applications. Related scientific papers are published in the scientific journal Energy and Environmental Science.
Gravure inks also called gravure liquid Ink, is a stable colloidal dispersion of colored, available printing methods appropriate to a coating on a suitable substrate, it presents the text patterns and colors and provide information and attract force. Like with other Printing Inks, gravure inks major component of colored substance (Pigment) and binders. Wherein the colored material from the color effects, by color and contrast different substrates, showing the images on the substrate. Only the proportion of each component of the deployment of good ink, in order to achieve proper ink printability and performance in order to make printing inks and printing plates, to be a good fit between the printer, printing material, the printing process smoothly.
Gravure inks are mostly volatile solvent-based inks, the pigment, solid resins, volatile solvents, fillers, and additional agents.
Gravure Printing Inks, Printing Ink Industry, Low Temperature Plastisol Ink
Dynasty Chemicals (NingBo) Co., Ltd. , https://www.dychemco.com