Preparation of Nano-Composite Ca2−αZnα(OH)4 with High Thermal Storage Capacity and Improved Recovery of Stored Heat Energy

Zheng, Min; Sun, S.M.; Hu, Jun; Zhao, Yazhen; Yu, Le

doi:10.1515/eng-2015-0002

Cited by 4 publications

(2 citation statements)

References 5 publications

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“…Such nanocomposites are generally coprecipitated metallic hydroxides, following a similar manufacturing method as the one reported in the "insertion in a binder" section. Researchers have used the co-precipitated method of two metallic hydroxides (Ryu et al, 2007;Kato et al, 2009;Ishitobi et al, 2013;Zheng et al, 2015), the advantage of this method is that a homogeneous nanocomposite can be obtained by the chemical reaction in the solution directly (Zheng et al, 2015). By using such a method, the decomposition temperature can be substantially decreased (300 °C lower) while increasing cyclability and achieving an optimal storage capacity.…”

Section: Nano-alternativesmentioning

confidence: 99%

Water sorption-based thermochemical storage materials: A review from material candidates to manufacturing routes

Palacios¹,

Navarro²,

Barreneche³

et al. 2022

Front. Therm. Eng.

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A comprehensive and updated review is provided in this article, with a focus on water sorption-based thermochemical storage (WSTCS) materials, covering materials and their manufacturing routes. The state of the art of 22 most relevant salt hydrates is classified into seven groups (bromides, sulphates, carbonates, chlorides, nitrates, hydroxides, and sulphides) and studied as candidates. This is followed by a discussion on TCS material manufacturing, covering both conventional (shaping, pelletizing, etc.) and more advanced routes (e.g., extrusion, 3D printing, encapsulation, etc.). Finally, concluding remarks are presented, including limitations and future potentials for TCS research.

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Section: Nano-alternativesmentioning

confidence: 99%

Water sorption-based thermochemical storage materials: A review from material candidates to manufacturing routes

Palacios¹,

Navarro²,

Barreneche³

et al. 2022

Front. Therm. Eng.

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“…Therefore, properly insulated buildings create comfortable living environment. In addition, it reduces the load on heating and cooling equipmentby maintaining a positive resistance to the flow of heat [11].…”

Section: Envelope Insulationmentioning

confidence: 99%

Improving Envelope Thermal Insulation in Construction Projects Using Nanotechnology Applications

Attallah¹

2015

IJRET

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Conservation of energy consumption in the construction industry is becoming more important than ever due to global issues related to the increased energy demand. Energy consumption in heating and cooling systemsfor commercial and residential buildings is a major portion of the overall energy consumption. One important approach to respond to this type of consumption is to enhance the thermal resistance (R value) of building envelopes with a special focus on the insulation materials. Nanotechnology as an emergent science and engineering field is developing solutions to enhance the resistance value of different building products withinnovative methodsincluding, reducing the pore size of insulation materials. This paper presents a review of utilization of nano-enabled products to improve insulation materials. The research involves exploring the literatures that cover area of technology application in addition to the commercial products currently being offered in the construction market. Findings indicate that the relatively high cost of the nano-products is due to lack of both mass production and familiarity of public to these products.

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An environmentally friendly hydrometallurgy process for the recovery and reuse of metals from spent lithium-ion batteries, using organic acid

et al. 2022

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The increasing use of lithium-ion batteries (LIBs) presents a serious environmental problem. These spent LIBs are suitable sources of metals for the production of LIB cathode active material. This study successfully recovered nickel, cobalt, and aluminum from spent LIB nickel cobalt aluminum oxide (NCA) and regenerated NCA cathode. The effect of the spent anode as a reducing agent was also investigated. The spent anode alone did not reduce the metals Ni and Co sufficiently. The leaching efficiency was only 34.8, 47.15, and 86.75% for Ni, Co, and Al, respectively, and these values did not increase with increasing citric acid concentration or the addition of ascorbic acid as a reducing agent. However, it increased significantly to 85, 90.12, and 100%, for Ni, Co, and Al, respectively, with the addition of 2% v/v H2O2. The ternary metal oxalate (TMO) precipitation of the leaching solution confirmed the synthesis of TMO from the precursor. The regenerated NCA synthesized from TMO had better electrochemical performances than those of new commercial NCA. It had a specific discharge capacity of 137 mA h/g and a retention capacity of 85.4% at 2 C after 50 cycles, whereas the new commercial had a specific discharge capacity of 133.4 mA h/g and a retention capacity of 82.6% at 1 C after 50 cycles.

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Preparation of Nano-Composite Ca2−αZnα(OH)4 with High Thermal Storage Capacity and Improved Recovery of Stored Heat Energy

Cited by 4 publications

References 5 publications

Water sorption-based thermochemical storage materials: A review from material candidates to manufacturing routes

Water sorption-based thermochemical storage materials: A review from material candidates to manufacturing routes

Improving Envelope Thermal Insulation in Construction Projects Using Nanotechnology Applications

An environmentally friendly hydrometallurgy process for the recovery and reuse of metals from spent lithium-ion batteries, using organic acid

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