As a class of thermal energy-storage materials, phase change materials (PCMs) play an important role in sustainable development of economy and society with a rapid increase in energy demand. Microencapsulation of solid–liquid PCMs has been recognized as a vital technology to protect them from leakage and running off and to give them a shape stability in the liquid state to offer the ease of handling and thus received tremendous attention from fundamental studies to industrial development in recent decades. Aiming to provide the most complete and reliable source of information on recent progress and current development in microencapsulated PCMs, this review focuses on methodologies and technologies for the encapsulation of PCMs with a variety of wall materials from traditional organic polymers to novel inorganic materials to pursue high encapsulation efficiency, excellent thermal energy-storage performance and long-term operation durability. We attempt to clearly summarize the selection of core and wall materials, synthetic methods, formation mechanisms and characteristic performance of microencapsulated PCMs to help scientists better understand their design principles and synthetic mechanisms. This review also highlights the diverse design of bi- and multi-functional PCM-based microcapsules by fabricating various functional shells in a multilayered or hierarchical structure to provide a great potential to meet the growing demand for versatile applications. We also provide insights on the future research and development direction of microencapsulated PCMs with multifunctional applications in energy efficiency, sustainable processes, high-tech energy management and specific physicochemical effectiveness.

Innovative design of microencapsulated phase change materials for thermal energy storage and versatile applications: a review

Review on micro/nano phase change materials for solar thermal applications

Phase change materials (PCMs) are gaining increasing attention and becoming popular in the thermal energy storage field. Microcapsules enhance thermal and mechanical performance of PCMs used in thermal energy storage by increasing the heat transfer area and preventing the leakage of melting materials. Nowadays, a large number of studies about PCM microcapsules have been published to elaborate their benefits in energy systems. In this paper, a comprehensive review has been carried out on PCM microcapsules for thermal energy storage. Five aspects have been discussed in this review: classification of PCMs, encapsulation shell materials, microencapsulation techniques, PCM microcapsules’ characterizations, and thermal applications. This review aims to help the researchers from various fields better understand PCM microcapsules and provide critical guidance for utilizing this technology for future thermal energy storage.

/pdf/phase-change-material-pcm-microcapsules-for-thermal-energy-2amtez1509.pdf

Phase Change Material (PCM) Microcapsules for Thermal Energy Storage

Review on form-stable inorganic hydrated salt phase change materials: Preparation, characterization and effect on the thermophysical properties

Recent development on heat transfer and various applications of phase-change materials

Uniform SiO2 microparticles containing controllable content of Na2SO4·10H2O against supercooling and phase separation are developed for efficient energy storage at mild temperatures. Na2SO4 solution with 3-aminopropyltriethoxysilane and silicone oil with tetraethylorthosilicate are emulsified into monodisperse water-in-oil (W/O) emulsions from microfluidics for template fabrication of the microparticles via hydrolysis and condensation. During the reaction process, Na2SO4 in the emulsion droplets crystallizes in the microparticles. Incorporation of sodium borate and sodium hexametaphosphate, combined with the confined distribution of Na2SO4·10H2O in the mesoporous microparticles, successfully avoids the phase separation of Na2SO4·10H2O and dramatically reduces its supercooling. This allows the microparticles to achieve repeatable energy storage/release property at mild temperatures for thermoregulation. Such a thermoregulating performance is demonstrated by incorporating the microparticles into a model hou...

Monodisperse Na2SO4·10H2O@SiO2 Microparticles against Supercooling and Phase Separation during Phase Change for Efficient Energy Storage

In this work, a novel type of block copolymer micelles with K+-responsive characteristics for targeted intracellular drug delivery is developed. The proposed smart micelles are prepared by self-assembly of poly(ethylene glycol)-b-poly(N-isopropylacry-lamide-co-benzo-18-crown-6-acrylamide) (PEG-b-P(NIPAM-co-B18C6Am)) block copolymers. Prednisolone acetate (PA) is successfully loaded into the micelles as the model drug, with loading content of 4.7 wt%. The PA-loaded micelles display a significantly boosted drug release in simulated intracellular fluid with a high K+ concentration of 150 × 10−3m, as compared with that in simulated extracellular fluid. Moreover, the in vitro cell experiments indicate that the fluorescent molecules encapsulated in the micelles can be delivered and specifically released inside the HSC-T6 and HepG2 cells responding to the increase of K+ concentration in intracellular compartments, which confirms the successful endocytosis and efficient K+-induced intracellular release. Such K+-responsive block copolymer micelles are highly potential as new-generation of smart nanocarriers for targeted intracellular delivery of drugs.

K+ -Responsive Block Copolymer Micelles for Targeted Intracellular Drug Delivery.

The invention provides amphiphilic block copolymer drug carrying micelle of K responding type target intracellular drug releasing. The drug carrying micelle is provided with a hydrophobic core and a hydrophilic shell, and composed of an amphiphilic block copolymer and hydrophobic drugs. The hydrophobic drugs are wrapped by the hydrophobic core formed by hydrophobic blocks of the amphiphilic block copolymer. A preparation method comprises the steps that the amphiphilic block copolymer and the hydrophobic drugs obtained through synthesis are dissolved in cosolvent of the hydrophobic blocks and hydrophilic blocks of the amphiphilic block copolymer and the hydrophobic drugs, water is dripped into an obtained solution so that the concentration of the amphiphilic block copolymer can be 0.1-5 mg/L, then the cosolvent is removed through dialysis, filtering and freeze-drying are carried out, and the amphiphilic block copolymer drug carrying micelle can be obtained. The drug carrying micelle can respond to K concentration changes in cancer cells to achieve target drug releasing in the cancer cells, and the release control effect is prominent.

Amphiphilic block copolymer drug carrying micelle of K responding type target intracellular drug releasing and preparation method thereof

The invention discloses a K+ responsive amphiphilic block copolymer drug-loaded micelle, which is composed of an amphiphilic block copolymer and hydrophobic drugs, wherein the hydrophobic drugs are embedded in a hydrophobic core formed by the amphiphilic block copolymer. The preparation method of the drug-loaded micelle comprises the following steps: (1) dissolving the block copolymer and the hydrophobic drugs in a cosolvent of the block copolymer and the hydrophobic drugs, so as to obtain a solution; and (2) heating the obtained solution to a low critical dissolving temperature which is higher than the block copolymer, and dropping de-ionized water or distilled water to the solution while conducting stirring, so that a mixed solution that the concentration of the amphiphilic block copolymer is 0.1-2mg/ml is obtained. The drug-loaded micelle, after releasing drugs in vivo, can discharge the amphiphilic block copolymer out of a body through normal metabolic pathways, so that potential toxins caused by accumulation of the amphiphilic block copolymer in the body are prevented.

K+ responsive amphiphilic block copolymer drug-loaded micelle and preparation method thereof

Handle everyday research tasks with reliable, citation-backed results

Your personal Research Agent to handle research tasks with citation-backed results

Popular Tasks used by Researchers

How can I help with your research?

Meet SciSpace

Get more enhanced response by uploading the PDFs you want me to reference.

No relevant PDFs in your library

SciSpace is the AI research assistant for academics. Run systematic literature reviews on 280M+ papers, and write papers with cited sources. Trusted by 1M+ students, PhDs & researchers.

SciSpace | AI for Research

Analyze PDFs

Code & Manuscripts

Funding & Grants

Literature & Patents

Medical & Clinical Data

Systematic Review

Visualize & Present

Web & Data

Build a Google Scholar-like website for your research.

Build a website

Create charts and images for your research

Create a Chart

Write a paper for submission to a journal

Draft a manuscript

Patent Search

Design eye-catching scientific posters in minutes.

Scientific Poster Generation

Systematic Literature Review

One task is running at the moment. Your messages will be shown right after.

Drag and drop or click here to browse

Loved by <highlight>1 million+</highlight> researchers

Extract a list of specific topics and their sources from unstructured text

Topics

Compare and analyze relevant papers that matches with your search

Papers

Get insights from PDFs and bookmarked papers from your library

My library

Recent searches

Try searching for:

Catch AI-generated content in scholarly and non-scholarly content

{ai} Detector

Ai Writer

Get PDF Summaries, highlighted text explanations 

Chat with PDF

Effortlessly create in-text citations and bibliographies in APA and 2,500 other formats

Citation generator

Get explanations, summaries, and answers on academic papers

Ease up your research workflow with {scispace}'s cohort of exciting AI tools

Elevate your academic writing skills and convey your ideas the way you want

Paraphraser

Explore our range of reading and writing tools

Your file is being prepared and should be ready in a few minutes. If it's a large file, it might take a bit longer. You can close this window, and we'll email you the file when it's done.

You have reached a maximum limit of <strong>{limit}</strong> columns in the table. Remove at least <strong>1</strong> column to add or create another one.

Shan Yan

Author Tools

Chat about Author

Papers

Monodisperse Na2SO4·10H2O@SiO2 Microparticles against Supercooling and Phase Separation during Phase Change for Efficient Energy Storage

K+ -Responsive Block Copolymer Micelles for Targeted Intracellular Drug Delivery.

Amphiphilic block copolymer drug carrying micelle of K responding type target intracellular drug releasing and preparation method thereof

K+ responsive amphiphilic block copolymer drug-loaded micelle and preparation method thereof