Thermoelectric Devices for Power Generation: Recent Progress and Future Challenges

2015 ◽  
Vol 18 (2) ◽  
pp. 194-213 ◽  
Author(s):  
Qi Hao Zhang ◽  
Xiang Yang Huang ◽  
Sheng Qiang Bai ◽  
Xun Shi ◽  
Ctirad Uher ◽  
...  
Keyword(s):  
Power Generation ◽  
Recent Progress ◽  
Thermoelectric Devices ◽  
Future Challenges

scholarly journals Electrodeposited Hydroxyapatite-Based Biocoatings: Recent Progress and Future Challenges

Coatings ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 110
Author(s):  
Mir Saman Safavi ◽  
Frank C. Walsh ◽  
Maria A. Surmeneva ◽  
Roman A. Surmenev ◽  
Jafar Khalil-Allafi
Keyword(s):  
Recent Progress ◽  
Tribological Behavior ◽  
Metallic Materials ◽  
Industrial Processing ◽  
Component Size ◽  
Polymeric Particles ◽  
Operational Variables ◽  
Wide Range ◽  
Future Challenges ◽  
Coating Methods

Hydroxyapatite has become an important coating material for bioimplants, following the introduction of synthetic HAp in the 1950s. The HAp coatings require controlled surface roughness/porosity, adequate corrosion resistance and need to show favorable tribological behavior. The deposition rate must be sufficiently fast and the coating technique needs to be applied at different scales on substrates having a diverse structure, composition, size, and shape. A detailed overview of dry and wet coating methods is given. The benefits of electrodeposition include controlled thickness and morphology, ability to coat a wide range of component size/shape and ease of industrial processing. Pulsed current and potential techniques have provided denser and more uniform coatings on different metallic materials/implants. The mechanism of HAp electrodeposition is considered and the effect of operational variables on deposit properties is highlighted. The most recent progress in the field is critically reviewed. Developments in mineral substituted and included particle, composite HAp coatings, including those reinforced by metallic, ceramic and polymeric particles; carbon nanotubes, modified graphenes, chitosan, and heparin, are considered in detail. Technical challenges which deserve further research are identified and a forward look in the field of the electrodeposited HAp coatings is taken.

Highly Efficient Transverse Thermoelectric Devices with Re4Si7 Crystals

2021 ◽  
Author(s):  
Michael R. Scudder ◽  
Bin He ◽  
Yaxian Wang ◽  
Akash Rai ◽  
David Cahill ◽  
...  
Keyword(s):  
Power Generation ◽  
Thermoelectric Power ◽  
Thermoelectric Devices ◽  
Thermoelectric Power Generation ◽  
Highly Efficient ◽  
Semiconductor Contacts

The principal challenges in current thermoelectric power generation modules is the availability of stable, diffusion-resistant, lossless electrical and thermal metal-semiconductor contacts that do not degrade at the hot end nor...

scholarly journals Hot Gas Filters for Coal and Biomass Power Systems

1999 ◽  
Author(s):  
R. A. Newby ◽  
T. E. Lippert ◽  
M. A. Alvin ◽  
G. J. Bruck ◽  
Z. N. Sanjana ◽  
...  
Keyword(s):  
Power Generation ◽  
Power Systems ◽  
Large Scale ◽  
Recent Progress ◽  
Environmental Constraints ◽  
Development Programs ◽  
Key Technology ◽  
Hot Gas ◽  
Filter Test ◽  
Power Generation Systems

Several advanced, coal- and biomass-based combustion turbine power generation technologies are currently under development and demonstration. A key technology component in these power generation systems is the hot gas filter. These power generation technologies must utilize highly reliable and efficient hot gas filter systems to protect the turbine and to meet environmental constraints if their full thermal efficiency and cost potential is to be realized. Siemens Westinghouse Power Corporation (SWPC) has developed a hot gas filter system to near-commercial status for large-scale power generation applications. This paper reviews recent progress made by SWPC in hot gas filter test development programs and in major demonstration programs. Two advanced hot gas filter concepts, the “Inverted Candle” and the “Sheet Filter”, having the potential for superior reliability are also described.

scholarly journals Application of Thermoelectric Devices to Fuel Cell Power Generation: Demonstration and Evaluation

2004 ◽  
Author(s):  
John Huston ◽  
Chris Wyatt ◽  
Chris Nichols ◽  
Michael J. Binder ◽  
Franklin H. Holcomb
Keyword(s):  
Power Generation ◽  
Fuel Cell ◽  
Thermoelectric Devices

scholarly journals Recent progress on PEDOT:PSS based polymer blends and composites for flexible electronics and thermoelectric devices

2020 ◽  
Vol 4 (11) ◽  
pp. 3130-3152 ◽  
Author(s):  
Yan Yang ◽  
Hua Deng ◽  
Qiang Fu
Keyword(s):  
Electrical Conductivity ◽  
Polymer Blends ◽  
Thermoelectric Properties ◽  
Flexible Electronics ◽  
Recent Progress ◽  
Thermoelectric Devices

Recent progress on PEDOT:PSS composites by incorporating various polymers and fillers through blending and mixing methods and main focus is put onto the electrical conductivity, stretchability and thermoelectric properties.

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