Materials Science
热电材料
Thermoelectric materialsMaterials that convert thermal energy directly into electrical energy (Seebeck effect) or vice versa (Peltier effect). / 将热能直接转换为电能（塞贝克效应）或反之（珀耳帖效应）的材料。
- Knowledge type
- 自然理论
- First proposed or discovered
- Proposer
- Turkey Farm member
- Creator
- 农场主
- Last updated
- 2026-10-12 16:03:49
Sub-knowledge points
n-type semiconductorsPbTe (Lead Telluride)Self-dopingCross-scale structure
Higher-order knowledge points
Energy harvesting / 工艺技术Solid-state cooling
Main parameters and performance indicators
Figure of Merit (ZT): A dimensionless parameter indicating the efficiency of thermoelectric materials, defined as ZT = S^2σT/κ, where S is Seebeck coefficient, σ is electrical conductivity, T is absolute temperature, and κ is thermal conductivity.
Open problems
Simultaneously optimizing electrical conductivity and thermal conductivity to maximize ZT.Improving the stability and durability of thermoelectric materials under long-term operation.
Related literature
ranked by community starsConstructing a cross-scale structure via self-doping for high-performance n-type PbTe thermoelectricsOpen source
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Creation and modification trail
1 recordsRecord title: Thermoelectric materials.
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