HomeNanotechnologyImproved gas cell efficiency utilizing semiconductor manufacturing know-how

Improved gas cell efficiency utilizing semiconductor manufacturing know-how

Improved fuel cell performance using semiconductor manufacturing technology
Illustration of the step-by-step synthesis course of for the preparation of ternary nanoparticle catalysts and electron construction rearrangement by electron switch between steel atoms. Credit score: Korea Institute of Science and Know-how (KIST)

A analysis workforce in Korea has synthesized steel nanoparticles that may drastically enhance the efficiency of hydrogen gas cell catalysts by utilizing semiconductor manufacturing know-how. The Korea Institute of Science and Know-how (KIST) introduced that the analysis workforce led by Dr. Sung Jong Yoo of the Hydrogen Gasoline Cell Analysis Middle has succeeded in synthesizing nanoparticles by a bodily technique somewhat than the prevailing chemical reactions by utilizing the sputtering know-how, which is a skinny steel movie deposition know-how utilized in semiconductor manufacturing.

Steel nanoparticles have been studied in numerous fields over the previous few a long time. Not too long ago, have been attracting consideration as a important catalyst for hydrogen gas cells and water electrolysis techniques to supply hydrogen. Steel nanoparticles are primarily ready by means of advanced . As well as, they’re ready utilizing natural substances dangerous to the atmosphere and people. Subsequently, extra prices are inevitably incurred for his or her remedy, and the situations are difficult. Subsequently, a brand new nanoparticle synthesis technique that may overcome the shortcomings of the prevailing chemical synthesis is required to determine the hydrogen vitality regime.

The sputtering course of utilized by the KIST analysis workforce is a know-how that coats a skinny steel movie through the semiconductor manufacturing course of. On this course of, plasma is used to chop massive metals into nanoparticles, that are then deposited on a substrate to type a skinny movie. The analysis workforce ready nanoparticles utilizing “glucose,” a particular substrate that prevented the transformation of the steel nanoparticles to a skinny movie by utilizing plasma through the course of. The synthesis technique used the precept of bodily vapor deposition utilizing plasma somewhat than chemical reactions. Subsequently, steel nanoparticles might be synthesized utilizing this easy technique, overcoming the constraints of the prevailing chemical synthesis strategies.

Improved fuel cell performance using semiconductor manufacturing technology
Low- and high-magnification TEM pictures of PtCo/C and PtCoV/C. Credit score: Korea Institute of Science and Know-how (KIST)

The event of recent catalysts has been hindered as a result of the prevailing chemical synthesis strategies restricted the forms of metals that might be used as nanoparticles. As well as, the synthesis situations should be modified relying on the kind of steel. Nonetheless, it has grow to be potential to synthesize nanoparticles of extra various metals by means of the developed synthesis technique. As well as, if this know-how is concurrently utilized to 2 or extra metals, alloy nanoparticles of varied compositions will be synthesized. This is able to result in the event of high-performance nanoparticle catalysts based mostly on alloys of varied compositions.

The KIST analysis workforce synthesized a platinum-cobalt-vanadium alloy nanoparticle catalyst utilizing this know-how and utilized for the oxygen discount response in hydrogen gas cell electrodes. Consequently, the catalyst exercise was seven and 3 times larger than these of platinum and platinum-cobalt alloy catalysts which can be commercially used as catalysts for hydrogen gas cells, respectively. Moreover, the researchers investigated the impact of the newly added vanadium on different metals within the nanoparticles. They discovered that vanadium improved the efficiency by optimizing the platinum–oxygen bonding vitality by means of pc simulation.

Dr. Sung Jong Yoo of KIST commented, “By means of this analysis, we have now developed a synthesis technique based mostly on a novel idea, which will be utilized to analysis centered on nanoparticles towards the event of water electrolysis techniques, photo voltaic cells, petrochemicals.” He added, “We are going to try to determine a whole hydrogen economic system and develop carbon-neutral know-how by making use of alloy with new buildings, which has been tough to implement, to [develop] eco-friendly vitality applied sciences together with gas cells.”

Giant-scale synthesis strategies for single-atom catalysts for alkaline gas cells

Extra data:
Injoon Jang et al, Plasma-induced alloying as a inexperienced know-how for synthesizing ternary nanoparticles with an early transition steel, Nano As we speak (2021). DOI: 10.1016/j.nantod.2021.101316

Supplied by
Nationwide Analysis Council of Science & Know-how

Improved gas cell efficiency utilizing semiconductor manufacturing know-how (2022, February 28)
retrieved 2 March 2022
from https://phys.org/information/2022-02-fuel-cell-semiconductor-technology.html

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