Preparation of LiCoMnO&lt;sub&gt;4&lt;/sub&gt; Assisted by Hydrothermal Approach and its Electrochemical Performance

You, Meilin; Huang, Xingkang; Lin, Min; Tong, Qingsong; Li, Xiuhua; Ruan, Ying; Yang, Yong

doi:10.3844/ajeassp.2016.396.405

Cited by 4 publications

(12 citation statements)

References 26 publications

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Section: Hydrothermal Reactionmentioning

confidence: 99%

“…The synthesis of lithium cobalt manganese tetroxide via hydrothermal approach was first reported in 2016 where MnSO4⸳H2O (≥99%), CoSO4⸳H2O (≥98.5%) and (NH4)2S2O8 were being utilised as the precursors [61]. 0.005 M of MnSO4⸳H2O, 0.005 M of CoSO4⸳H2O as well as 0.0075 M of (NH4)2S2O8 were added into a 100 mL capacity Teflon container containing 20 mL of deionised water [61]. Meanwhile, LiOH⸳H2O (≥98%) pre-dissolved in 30 mL of deionised water was gradually introduced into the solution via titration to the target concentration before the container was transferred to a stainless steel autoclave, properly sealed and heated up to 220°C for 22 h [61].…”

Section: Hydrothermal Reactionmentioning

confidence: 99%

“…The resultant precipitated compound was separated from solvents by filter mesh, followed by rinsing under running deionised water and dehydrated at 120°C for 24 h before subjected to heat treatment ranging between 550°C to 750°C [61]. Composition of the resultant products was reported to directly correlated to the concentration of LiOH controlled in the course of hydrothermal reaction [61]. You et al pin-pointed that the ideal LiOH concentration for the formation of LiCoMnO4 phase during hydrothermal reaction narrowly ranges between 1.2 M to 1.35 M [61].…”

Section: Hydrothermal Reactionmentioning

confidence: 99%

“…Composition of the resultant products was reported to directly correlated to the concentration of LiOH controlled in the course of hydrothermal reaction [61]. You et al pin-pointed that the ideal LiOH concentration for the formation of LiCoMnO4 phase during hydrothermal reaction narrowly ranges between 1.2 M to 1.35 M [61].…”

Section: Hydrothermal Reactionmentioning

confidence: 99%

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A holistic review on the synthesis techniques of spinel structured lithium cobalt manganese tetroxide

et al. 2022

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Spinel structured lithium cobalt manganese tetroxide (LiCoMnO4) which exhibit unrivalled reduction potential of 5.3V (vs. Li0 | Li+) was identified to be one of the potential cathode candidates for next generation lithium-ion batteries offering high voltage output and energy density. The focal point of this article is to holistically review relevant techniques established for the synthesis of LiCoMnO4 compound, particularly solid-state reaction, sol-gel synthesis, flux method and hydrothermal technology. Electrochemical performances of lithium cobalt manganese tetroxide (LiCoMnO4) synthesised via the four distinctive approaches as well as the critical process parameters will be compared and scrutinised. Adversities associated with deoxygenation in the course of synthesis process at high temperature and proposed countermeasure via fluorine-substitution will also be discussed.

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Section: Hydrothermal Reactionmentioning

confidence: 99%

Section: Hydrothermal Reactionmentioning

confidence: 99%

Section: Hydrothermal Reactionmentioning

confidence: 99%

Section: Hydrothermal Reactionmentioning

confidence: 99%

See 2 more Smart Citations

A holistic review on the synthesis techniques of spinel structured lithium cobalt manganese tetroxide

et al. 2022

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“…During the four years of the first mission, the ship scanned 150,000 stars, searching for the small falls in light caused by planets that pass in front of them. In 2014, Kepler switched to the second mission called K2, where he still hunts planets but also makes a variety of observations (Wang and Yagi, 2016;Obaiys et al, 2016;Ahmed et al, 2016;Jauhari et al, 2016;Syahrullah and Sinaga, 2016;Shanmugam, 2016;Jaber and Bicker, 2016;Moubarek and Gharsallah, 2016;Amani, 2016;Shruti, 2016;Pérez-de León et al, 2016;Mohseni and Tsavdaridis, 2016;Abu-Lebdeh et al, 2016;Serebrennikov et al, 2016;Budak et al, 2016;Augustine et al, 2016;Jarahi and Seifilaleh, 2016;Nabilou, 2016;You et al, 2016;Zurfi and Zhang, 2016;Rama et al, 2016;Sallami et al, 2016;Huang et al, 2016;Ali et al, 2016;Kamble and Kumar, 2016;Saikia and Karak, 2016;Zeferino et al, 2016;Pravettoni et al, 2016;Bedon and Amadio, 2016;Chen and Xu, 2016;Mavukkandy et al, 2016;Yeargin et al, 2016;Madani and Dababneh, 2016;Alhasanat et al, 2016;Elliott et al, 2016;Suarez et al, 2016;Kuli et al, 2016;…”

Section: The Incredible Quantitymentioning

confidence: 99%

The TESS Satellite will Search for Planets in the Vicinity of our Solar System

Petrescu¹

2019

Journal of Aircraft and Spacecraft Technology

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The US Space Agency has launched from Cape Canaveral, Florida, the TESS satellite, which will search for planets near our solar system and study them in detail. "TESS will significantly increase the number of planets studied," said George Ricker of the Massachusetts Institute of Technology, MIT, before launching. "It will double the number of planets we've seen and detected with the Kepler telescope," he added. The Kepler Space Observatory has discovered 2,650, about 70% of the total worlds outside the solar system that is known to mankind. TESS was launched with a Falcon 9 rocket, which returned to Earth after sending the satellite to the Earth's orbit. The telescope used by NASA to "hunt" the planets led to the discovery of two heavenly bodies that seem to be ideal places for life. The two planets have the ideal dimensions and are at the right distance from their star. William Borucki, the Kepler telescope scientist, has announced that these two planets are the best candidates identified so far in the race to discover planets that host life. The findings were published in the journal Science. Experts announce that these two planets are an important milestone in the race for identifying extraterrestrial life. In the past, when astronomers identified exoplanets (planets outside our solar system) they did not meet all the criteria necessary to accommodate life forms. Many planets are not in the habitable area-at a distance from their star so they are not too hot or too cold, but ideal for the existence of liquid water. Until now, all the planets identified inhabitable areas were too large. Most likely, these planets were huge gas balls, like Neptune, not suitable for life. Instead, the Earth-sized planets discovered so far have been at a distance unsuitable for their stars. The two planets now identified by the researchers, Kepler-62-e and Kepler-62-f, meets all the necessary conditions for hosting life. The two planets are twin-they orbit the same star and are next to each other, less than Earth and Mars. Planets are a bit wider than Terra, but they are not too big. Kepler-62-e is a warm Hawaiian planet and Kepler-62-f is cool like Alaska, Borucki explained. Researcher David Charbonneau of Harvard University, co-author of this study, says, "It's the first planet I really think of," he said, "but Kepler-62-f may be able to host life forms." The researcher added that "we have overcome an important barrier. So, why not have life forms?" The planets are 1,200 light-years away from Terra. The star that it orbits dates back 7 billion years ago, being 2.5 billion years older than our Sun.

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Some Aspects of Modern Drones

Petrescu¹

2021

Journal of Aircraft and Spacecraft Technology

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Today drones have become so important that everyday life can no longer be conceived without them. The paper wishes to present some essential aspects regarding modern drones, their capabilities and their uses. Drones and minnies drones have penetrated deep into technology, industry, agriculture, the military and police area, security services, security and control, aerial surveillance, signaling, aerial filming, cartography, da nger and fire signaling in a timely manner, surveillance missions, security, defense and attack. The major advantages of drones compared to conventional aircraft are the following: A much lower fuel consumption and a much lower polarization of the environment, sometimes the pole does not even exist the drones being electrically moved; much lower design, manufacturing, maintenance and operation prices. They do not require pilots, they are generally small and the manufacturing costs and materials are much reduced; in case of collisions they are very resistant, accidents with them being rare and without tragic consequences; they can operate various things without a pilot, without costs, without risks, with superior results to those of classic aviation. A simple way to reduce the consumption of raw materials needed by industries is the very economy of materials used in industries and the start must be made even with heavy industries and car manufacturers and primarily those in aviation and aerospace. With drones, the consumption of materials is extraordinary compared to the materials stored in old, classic, huge ships. Of course, large public aircraft are still needed for public passenger transport, which, no matter how redesigned, will still consume a lot of materials and energy, but for other daily air operations, drones will be able to successfully intervene in place of large and heavy ships. These areas will see huge savings in materials, not to mention the very low costs of people who will be replaced by robots, vending machines, cameras, low fuel consumption and the reduction and even elimination of massive pollution that was done by a massive use of large aircraft for any minor operations requiring flights. The drones come to usefully and efficiently complete large and important areas of flight, difficult and meticulous operations, the drones clearly having increased capabilities and much higher penetration.

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Preparation of LiCoMnO<sub>4</sub> Assisted by Hydrothermal Approach and its Electrochemical Performance

Cited by 4 publications

References 26 publications

A holistic review on the synthesis techniques of spinel structured lithium cobalt manganese tetroxide

A holistic review on the synthesis techniques of spinel structured lithium cobalt manganese tetroxide

The TESS Satellite will Search for Planets in the Vicinity of our Solar System

Some Aspects of Modern Drones

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