Q1 Research Application · Frontier Focus

Thermal conductivity enhancement of PEG/SiO2 composite PCM by in situ Cu doping

This Solar Energy Materials and Solar Cells paper (2012) is indexed as a Xianghu equipment application case for XH-2008D; key result: Thermal conductivity 38.1%.

View DOI Back to Library Chinese Solution
Paper ID 196
Application Focus sol-gel
Key Result Thermal conductivity 38.1%
Core Condition Temperature 60 °C
Paper ID
196
Journal
Solar Energy Materials and Solar Cells
Impact Factor
5.018
CAS Zone
Zone 1
Year
2012
DOI
10.1016/j.solmat.2012.06.012
Equipment Model
XH-2008D
Affiliations
Dalian University of Technology
Research Directions
sol-gel

Fact Snapshot

  • Paper: Thermal conductivity enhancement of PEG/SiO2 composite PCM by in situ Cu doping
  • Equipment: XH-2008D
  • Source: Solar Energy Materials and Solar Cells, 2012
  • Research direction: sol-gel
  • Core conditions: Temperature 60 °C, Ultrasonic power 300 W, and Time 20 min
  • Key results: Thermal conductivity 38.1%

Research Abstract

Thermal conductivity enhancement of PEG/SiO2 composite PCM by in situ Cu doping was published in Solar Energy Materials and Solar Cells (2012) and is indexed as a Xianghu Q1 application case for XH-2008D. The structured source links this paper to sol-gel. Core operating conditions include Temperature 60 °C, Ultrasonic power 300 W, and Time 20 min. Key reported results include Thermal conductivity 38.1%. The DOI recorded for this paper is 10.1016/j.solmat.2012.06.012.

Research Background and Problem

The paper is positioned around sol-gel. The equipment record identifies XH-2008D as the Xianghu instrument context for this application case. The source affiliation record includes Dalian University of Technology.

Equipment Use and Experimental Conditions

ItemParameter
Temperature60 °C
Ultrasonic power300 W
Time20 min

Key Result

Thermal conductivity 38.1%
MetricResult
Thermal conductivity38.1%

Evidence Details

Source evidence

Compared with that of pure PEG, the heating and freezing times of the form-stable Cu/PEG/SiO2 (2.1 wt %) composite PCM was reduced by 25% and 69.9%, respectively.

Source evidence

The ultrasound probe was then inserted into the mixture while the temperature was controlled at 60 °C ... under an ultrasound power nominal value of 300 W.

Additional source evidence

Additional source evidence: source values include 20 min, 10%, 2 h.

Equipment evidence

Cu/PEG/SiO2 hybrid form-stable PCM was prepared using an ultrasound generator (XH-2008D, Beijing XiangHu Science and Technology Development, PR China).

Source evidence

the phase change enthalpy and thermal conductivity reached up to 110 J/g and 0.414 W/(m K), respectively.

Additional source evidence

Additional source evidence: source values include 62.3 °C, 348 s.

Additional source evidence

Additional source evidence: source values include 48 °C, 208 s.

Additional source evidence

Additional source evidence: source values include 50 °C, 24 h.

Stability evidence

Stability evidence: source values include 263 °C.

Structured key result

Thermal conductivity: 38.1%

Mechanism / Method Highlights

  • Method context: Temperature 60 °C, Ultrasonic power 300 W, and Time 20 min.
  • Source evidence: Compared with that of pure PEG, the heating and freezing times of the form-stable Cu/PEG/SiO2 (2.1 wt %) composite PCM was reduced by 25% and 69.9%, respectively
  • Source evidence: The ultrasound probe was then inserted into the mixture while the temperature was controlled at 60 °C ... under an ultrasound power nominal value of 300 W
  • Additional source evidence: source values include 20 min, 10%, 2 h
  • Reported outcome: Thermal conductivity 38.1%.

Application Value

  • Positions XH-2008D in a peer-reviewed Q1 research application.
  • Highlights quantitative evidence: Thermal conductivity 38.1%.
  • Records source affiliations: Dalian University of Technology.

Related Equipment

XH-2008D Intelligent Temperature-Controlled Low-Temperature Ultrasonic Catalytic Synthesis/Extraction System
XH-2008D Intelligent Temperature-Controlled Low-Temperature Ultrasonic Catalytic Synthesis/Extraction System

FAQ

Which Xianghu instrument is covered by this page?
The structured source records XH-2008D for this paper.
What is the main application direction?
The source tags this paper under sol-gel.
Which publication does this case come from?
It comes from Solar Energy Materials and Solar Cells (2012), DOI 10.1016/j.solmat.2012.06.012.
Citation
Thermal conductivity enhancement of PEG/SiO2 composite PCM by in situ Cu doping
Solar Energy Materials and Solar Cells, 2012
DOI: 10.1016/j.solmat.2012.06.012