Converting Waste Heat to Electricity: An Assignment Exploration

Click For Summary

Discussion Overview

The discussion centers around the exploration of efficient methods to convert waste heat into electricity, specifically focusing on semiconductor technology based on thermionic principles as proposed by Prof. Hagelstein. Participants are seeking insights into suitable materials and the relationship between thermal conductivity and current production in solid-state devices, while also being open to alternative technologies.

Discussion Character

  • Exploratory
  • Homework-related

Main Points Raised

  • One participant mentions Prof. Hagelstein's semiconductor technology, which utilizes thermionics and claims to be more efficient than thermocouples and thermopiles, with an operating temperature range of 200-450 degrees C.
  • The same participant expresses a need for information on the best semiconductor materials for this technology and questions the relationship between thermal conductivity and current production in solid-state devices.
  • Another participant emphasizes the importance of providing complete citations for sources referenced in discussions, suggesting that understanding may vary based on the accuracy of the information presented.
  • A later reply provides a link to a journal article as a source but notes that it is outdated and lacks information on recent developments.

Areas of Agreement / Disagreement

Participants do not appear to reach a consensus on the best materials or methods for converting waste heat into electricity, and the discussion remains open to various viewpoints and additional input.

Contextual Notes

The discussion highlights the need for updated information and references, as well as the potential for varying interpretations of the technology based on the sources cited.

tormentor123
Messages
2
Reaction score
0
As an assignment i need to figure out the most efficient way to convert heat to electricity and so i searched through the internet and came across Prof. Hagelstein's work which is called semiconductor technology. In short, the technology is based on the principle of thermionics by replacing a semiconductor instead of vacuum gap between the two parallel conducting plates. According to him this technology is more efficient as compared to the thermocouples and thermopiles and the operating temperature would range from 200-450 degrees C. I am dying to know the best fit semiconductor or other material to be used in this technology. Also I do not know the relationship between thermal conductivity and current production in solid state devices. Please help me, i need some references for my assignment and i m also open for other technologies for the same purpose (converting waste heat into electricity) that are both efficient and economical. i need a lot of input from those with the knowledge in this field. Thx a lot for reading !
 
Science news on Phys.org


tormentor123 said:
As an assignment i need to figure out the most efficient way to convert heat to electricity and so i searched through the internet and came across Prof. Hagelstein's work which is called semiconductor technology. In short, the technology is based on the principle of thermionics by replacing a semiconductor instead of vacuum gap between the two parallel conducting plates. According to him this technology is more efficient as compared to the thermocouples and thermopiles and the operating temperature would range from 200-450 degrees C. I am dying to know the best fit semiconductor or other material to be used in this technology. Also I do not know the relationship between thermal conductivity and current production in solid state devices. Please help me, i need some references for my assignment and i m also open for other technologies for the same purpose (converting waste heat into electricity) that are both efficient and economical. i need a lot of input from those with the knowledge in this field. Thx a lot for reading !

When you are asking for something like this based on something you found, you must provide complete citation of your source. If you read this in a journal, you must give the full reference. If you found this on a website, assuming that it is a legitimate website (i.e. not a personal or crackpot website), then you must provide the url.

If not, we can only base this on what you understood, which may not necessarily be correct.

Zz.
 
Last edited by a moderator:


thanks
 

Similar threads

  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 16 ·
Replies
16
Views
3K
  • · Replies 13 ·
Replies
13
Views
3K
  • · Replies 80 ·
3
Replies
80
Views
12K
  • · Replies 0 ·
Replies
0
Views
751
Replies
9
Views
3K
Replies
22
Views
4K
  • · Replies 3 ·
Replies
3
Views
2K