Lithium-ion battery (LIB) systems provide a very promising range of power supply systems for diverse applications like electric vehicles, hybrid plug-in electric vehicles, grid storage systems, and microelectronics. Nevertheless, the features of lithium-ion batteries (LIBs), which include energy density and power, cycle lifetime, safety, as well as cost, must be enhanced in order to achieve all these feasible applications. Atomic layer deposition (ALD), as a result of its unique benefits above other thin-film methods of deposition, emerges as a very useful approach for use in improving the efficiency of LIBs. This review summarizes ALD's advanced successes in designing new nanostructured solid-state electrolytes and electrode materials, as well as the adjustment of the interfaces of electrodes and electrolytes through the application of surface coatings for the avoidance of undesirable side reactions to attain maximum adequate performance of the electrode. Also covered are ideas for the potential advancement of ALD studies and technology for the applications of LIBs. This review paper is anticipated to furnish researchers within the LIB and ALD fields with valuable information that would encourage much more extensive research on the use of ALD to produce new generation LIBs.Novelty Statement: This review presents the recent advancements in electrode materials as well as some new electrode fabrication processes for Li-ion batteries. Certain prospective materials with improved electrochemical performance have also been reported, along with a review of the recent precursors utilized for the ALD of battery materials. The efficiency of the ALD process in providing sufficient solutions to the problems associated with the utilization of Lithium-ion batteries is also discussed.
The utilization of fossil fuels like diesel has contributed immensely to ecological challenges such as the emission of greenhouse gasses. Hence, the motivation for sourcing another energy that is renewable as well as easily accessible from relatively cheap materials. Biodiesel is a perfect replacement for petro-diesel because it is biodegradable, economically viable, and has lower toxicity. However, there are challenges associated (poor engine efficiency) with its utilization in engines. It also raises NOx emissions which necessitates frequent engine component replacement owing to clogging, and it is ineffective in cold weather. To boost efficiency, nanoparticles can be combined with biodiesel blends. Moreover, the utilization of nanoparticle additives improves the performance of engines, rate of heat transfer, fuel mixture balance, thermo-physical characteristics, as well as the reduction in exhaust emissions. Copper oxide which is a transition metal oxide aids in the heat transfer from the engine down to the exhaust thus lowering the emissions of NOx. As a result, CuO nanoparticles are thought to have a lot of potential as a diesel engine additive and therefore, this review study was conducted to deduce the various techniques for generating CuO nano-fuels, the preparation methods, as well as their physicochemical features. Furthermore, the combustion behaviour, performance, and emission characteristics of diesel engines powered by CuO nanoparticle-containing biodiesel and blends were carefully investigated.
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