Ductile cooling phase change material

Gogoi, Pratahdeep; Li, Zheng; Guo, Zipeng; Khuje, Saurabh; An, Lu; Hu, Yong; Chang, Shuquan; Zhou, Chi; Ren, Shenqiang

doi:10.1039/d0na00465k

Cited by 7 publications

(10 citation statements)

References 39 publications

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“…To illustrate the pressure effects on VCMF-PBA, we select the cross-linked hydrogel network for the formation of the VCMF-PBA-Hydrogel structure, where VCMF-PBA is immerged in the hydrogel network. The hydrogel, as a pressure-dependent platform, tunes the magnetic properties of the 2D VCMF-PBA plates through its water content and phase transition. The synthesized VCMF-PBA-Hydrogel shows a sharp magnetic transition at 252 K (Figure a), which can be influenced by magnetic field (the inset in Figure a) and is only present by cooling from room temperature (Figure S18).…”

Section: Resultsmentioning

confidence: 99%

“…Hydrogel was prepared according to the literature. 44 Aqueous solution A consists of acrylamide, sodium alginate, tetramethylethylenediamine, and water, while aqueous solution B contains N,N′-methylenebis(acrylamide), calcium sulfate, and ammonium persulfate. The mixture of solution A, solution B, and VCMF-PBA was placed in a glovebox for gelation to form VCMF-PBA-Hydrogel.…”

Section: Methodsmentioning

confidence: 99%

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Dimensional Transformation of Molecular Magnetic Materials

et al. 2022

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Two-dimensional (2D) magnetic layered materials have revolutionized size dependent magnetism to manipulate spin-based devices. However, it has been challenging to artificially create 2D magnetic materials from three-dimensional (3D) crystal structures with a variety of material groups. Here, we present the dimensionality manipulation via cation exchange of a 3D Prussian blue analogue [RbMnFe(CN)6] toward a 2D magnetic sheet [(K,Rb)(V,Mn)(Cr,Fe)(CN)6] with the magnetic ordering temperature rising from 12 to 330 K. Such a 2D magnetic sheet achieves crystalline V–Cr coordination in the Prussian blue lattice with pronounced anisotropy and stimuli responsiveness. The pressure dependent magnetic tunability of such 2D networks is predicted using first-principles calculations and demonstrated using the phase transitions of the hydrogel. This previously unobserved phenomenon of dimensional manipulation of a bulk crystal structure provides a rational strategy to expand the diversity and chemical compositions of 2D molecular magnetic material libraries.

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Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Dimensional Transformation of Molecular Magnetic Materials

et al. 2022

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“…In this example, water is supported through secondary intermolecular interactions and the flexibility of the hydrogel‐PDMS system accommodates the volumetric changes with water during phase transitions. [ 132 ]…”

Section: Advanced Materials and Additive Manufacturing For Phase Chan...mentioning

confidence: 99%

“…This technology is being explored for commercial use under the name CoolPak Hydrogel. [ 132 ] In another study for wearable technology that incorporates PCMs, octadecane‐grafted siloxane composites developed by Ma et al deposited PCM on carbon fiber cloth, enabling temperature regulation for the wearer. [ 130 ] They demonstrated the cooling potential with surface skin temperature reductions from 46 to 38 °C over 20 min.…”

Section: Advanced Materials and Additive Manufacturing For Phase Chan...mentioning

confidence: 99%

Advanced Materials and Additive Manufacturing for Phase Change Thermal Energy Storage and Management: A Review

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Troxler

et al. 2023

Advanced Energy Materials

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Phase change materials (PCMs) can enhance the performance of energy systems by time shifting or reducing peak thermal loads. The effectiveness of a PCM is defined by its energy and power density-the total available storage capacity (kWh m −3 ) and how fast it can be accessed (kW m −3 ). These are influenced by both material properties as well as geometry of the energy systems; however, prior efforts have primarily focused on improving material properties, namely, maximizing latent heat of fusion and increasing thermal conductivity. The latter is often at the expense of the former. Advanced manufacturing techniques hold tremendous potential to enable co-optimization of material properties and device geometry, while potentially reducing material waste and manufacturing time. There is an emerging body of research focused on additive manufacturing of PCM composites and devices for thermal energy storage (TES) and thermal management. In this article, the fundamentals and applications of PCMs are reviewed and recent additive manufacturing advances in latent heat TES for both the PCM composite and associated heat exchanger are discussed. A forward-looking perspective on the future and potential of PCM additive manufacturing for TES and thermal management is provided.

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“…With the rapid development of the economy, the dual pressures brought by energy depletion and environmental pollution have forced mankind to continuously explore new renewable and clean energy sources [ 1 , 2 , 3 , 4 ]. At the same time, the imbalance of energy supply and demand in space and time and low utilization efficiency further aggravate the waste of resources and environmental problems during energy development and utilization [ 5 , 6 , 7 , 8 ]. Therefore, researchers also turn their attention to developing energy utilization technologies while exploring new energy sources to improve the effective utilization of existing energy sources.…”

Section: Introductionmentioning

confidence: 99%

A Review of Composite Phase Change Materials Based on Biomass Materials

et al. 2022

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Phase change materials (PCMs) can store/release heat from/to the external environment through their own phase change, which can reduce the imbalance between energy supply and demand and improve the effective utilization of energy. Biomass materials are abundant in reserves, from a wide range of sources, and most of them have a natural pore structure, which is a good carrier of phase change materials. Biomass-based composite phase change materials and their derived ones are superior to traditional phase change materials due to their ability to overcome the leakage of phase change materials during solid–liquid change. This paper reviews the basic properties, phase change characteristics, and binding methods of several phase change materials (polyethylene glycols, paraffins, and fatty acids) that are commonly compounded with biomass materials. On this basis, it summarizes the preparation methods of biomass-based composite phase change materials, including porous adsorption, microencapsulation based on biomass shell, and grafting by copolymerization and also analyzes the characteristics of each method. Finally, the paper introduces the latest research progress of multifunctional biomass-based composite phase change materials capable of energy storage and outlines the challenges and future research and development priorities in this field.

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Ductile cooling phase change material

Abstract: Cooling represents a considerable fraction of energy consumption, while it is indispensable to develop eco-friendly, biocompatible, and ductile cooling materials for personal applications. In this study, we demonstrate the ductile...

Cited by 7 publications

References 39 publications

Dimensional Transformation of Molecular Magnetic Materials

Dimensional Transformation of Molecular Magnetic Materials

Advanced Materials and Additive Manufacturing for Phase Change Thermal Energy Storage and Management: A Review

A Review of Composite Phase Change Materials Based on Biomass Materials

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