2019
DOI: 10.3390/en12163167
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Phase Change Materials (PCM) for Solar Energy Usages and Storage: An Overview

Abstract: Solar energy is a renewable energy source that can be utilized for different applications in today’s world. The effective use of solar energy requires a storage medium that can facilitate the storage of excess energy, and then supply this stored energy when it is needed. An effective method of storing thermal energy from solar is through the use of phase change materials (PCMs). PCMs are isothermal in nature, and thus offer higher density energy storage and the ability to operate in a variable range of tempera… Show more

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Cited by 243 publications
(132 citation statements)
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References 138 publications
(158 reference statements)
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“…This study also confirms that CaO impregnated with Fe 3 O 4 could be a solid catalyst for the biodiesel synthesis through transesterification reaction of palm oil off-grade.Catalysts 2020, 10, 164 2 of 13 this issue, several countries have successfully implemented some renewables from bioenergy, including biogas, biodiesel, and bioethanol [2][3][4][5]. On the other sides, some countries have also successfully generated the electrical power from renewable energy resources, such as geothermal, waves, hydro, wind, and solar energy [6][7][8][9][10]. However, there are some weak points resulted while the renewable energy is used, such as it is unstable, only available for certain periods, and therefore, its required the energy storage devices such as battery.…”
mentioning
confidence: 99%
“…This study also confirms that CaO impregnated with Fe 3 O 4 could be a solid catalyst for the biodiesel synthesis through transesterification reaction of palm oil off-grade.Catalysts 2020, 10, 164 2 of 13 this issue, several countries have successfully implemented some renewables from bioenergy, including biogas, biodiesel, and bioethanol [2][3][4][5]. On the other sides, some countries have also successfully generated the electrical power from renewable energy resources, such as geothermal, waves, hydro, wind, and solar energy [6][7][8][9][10]. However, there are some weak points resulted while the renewable energy is used, such as it is unstable, only available for certain periods, and therefore, its required the energy storage devices such as battery.…”
mentioning
confidence: 99%
“…Filter papers were used for gravitation filtration of the solvent mixture from WCG oil. The rotary evaporator was used to evaporate the sample at 60 • C. The oil yield was calculated using Equation (2).…”
Section: Ultrasonic-assisted Oil Extraction Methodsmentioning
confidence: 99%
“…The limited reserves and increasing price of fossil fuels, as well as the adverse impact of fossil fuel combustion on climate change, has motivated researchers to find an alternative source of energy, e.g., renewable fuel sources [1][2][3]. Biodiesel is a renewable fuel consisting of a mixture of mono-alkyl esters and long-chain fatty acids, and is non-toxic, biodegradable and can be used in diesel engines with minimal modification [4][5][6].…”
Section: Introductionmentioning
confidence: 99%
“…Therefore, the design, selection, and operation of the equipment have a great impact . Solar is also widely distributed, but is also intermittent and random, which may be greatly affected by the region, weather, and season, resulting in high requirements for energy storage . Biomass energy technology has been developed for many years, but there are still a series of problems in the implementation process.…”
Section: Introductionmentioning
confidence: 99%
“…8,9 Solar is also widely distributed, but is also intermittent and random, which may be greatly affected by the region, weather, and season, resulting in high requirements for energy storage. 10,11 Biomass energy technology has been developed for many years, but there are still a series of problems in the implementation process. For example, ammonia and acid inhibition during anaerobic fermentation will greatly affect the gas production efficiency as well as the fuel quality.…”
Section: Introductionmentioning
confidence: 99%