Next Article in Journal
Temperature Field Accurate Modeling and Cooling Performance Evaluation of Direct-Drive Outer-Rotor Air-Cooling In-Wheel Motor
Next Article in Special Issue
Transverse Thermoelectricity in Fibrous Composite Materials
Previous Article in Journal
A Study on Magnetic Decoupling of Compound-Structure Permanent-Magnet Motor for HEVs Application
Open AccessArticle

Enhanced Thermoelectric Properties of Cu3SbSe3-Based Composites with Inclusion Phases

State Key Laboratory of New Ceramics and Fine Processing, Tsinghua University, Beijing 100084, China
*
Author to whom correspondence should be addressed.
Academic Editor: Zhi-Gang Chen
Energies 2016, 9(10), 816; https://doi.org/10.3390/en9100816
Received: 18 August 2016 / Revised: 3 October 2016 / Accepted: 9 October 2016 / Published: 14 October 2016
(This article belongs to the Special Issue Thermoelectric Materials for Energy Conversion)
Cu3SbSe3-based composites have been prepared by self-propagating high-temperature synthesis (SHS) combined with spark plasma sintering (SPS) technology. Phase composition and microstructure analysis indicate that the obtained samples are mainly composed of Cu3SbSe3 phase and CuSbSe2/Cu2−xSe secondary phases. Our results show that the existence of Cu2−xSe phase can clearly enhance the electrical conductivity of the composites (~16 S/cm), which is 2.5 times higher than the pure phase. The thermal conductivity can remain at about 0.30 W·m−1·K−1 at 653 K. A maximum ZT (defined as ZT = S2σΤ/κ, where S, σ, Τ, κ are the Seebeck coefficient, electrical conductivity, absolute temperature and total thermal conductivity) of the sample SPS 633 can be 0.42 at 653 K, which is 60% higher than the previously reported values. Our results indicate that the composite structure is an effective method to enhance the performance of Cu3SbSe3. View Full-Text
Keywords: Cu3SbSe3; Cu2−xSe; electrical conductivity; spark plasma sintering (SPS) Cu3SbSe3; Cu2−xSe; electrical conductivity; spark plasma sintering (SPS)
Show Figures

Figure 1

MDPI and ACS Style

Liu, R.; Ren, G.; Tan, X.; Lin, Y.; Nan, C. Enhanced Thermoelectric Properties of Cu3SbSe3-Based Composites with Inclusion Phases. Energies 2016, 9, 816.

AMA Style

Liu R, Ren G, Tan X, Lin Y, Nan C. Enhanced Thermoelectric Properties of Cu3SbSe3-Based Composites with Inclusion Phases. Energies. 2016; 9(10):816.

Chicago/Turabian Style

Liu, Rui; Ren, Guangkun; Tan, Xing; Lin, Yuanhua; Nan, Cewen. 2016. "Enhanced Thermoelectric Properties of Cu3SbSe3-Based Composites with Inclusion Phases" Energies 9, no. 10: 816.

Find Other Styles
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Search more from Scilit
 
Search
Back to TopTop