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- 半世紀以上熱電変換の最高性能を誇る Bi Te 系に匹敵する新規材料を開発
2 熱電材料はゼーベック効果4)により固体素子で熱エネルギーを電気エネルギーに変換する材料です。現 在320℃以下の低温域において、熱エネルギーのうち約90%が利用されず捨てられている状況です。
- Staggered-layer-boosted flexible Bi2Te3 films with high . . . - Nature
Room-temperature bismuth telluride (Bi2Te3) thermoelectrics are promising candidates for low-grade heat harvesting However, the brittleness and inflexibility of Bi2Te3 are far reaching and bring
- Development of Nanostructured Bi2Te3 with High Thermoelectric . . .
Nanostructuring of thermoelectric (TE) materials leads to improved energy conversion performance; however, it requires a perfect fit between the nanoprecipitates’ chemistry and crystal structure and those of the matrix We synthesize bulk Bi2Te3 from molecular precursors and characterize their structure and chemistry using electron microscopy and analyze their TE transport properties in the
- Boosting Thermoelectric Performance of Bi2Te3 Material by . . .
Due to the intrinsic contradiction of electrical conductivity and Seebeck coefficient in thermoelectric materials, the enhancement for the power factor (PF) is limited Since the PF decides the output power, strategies to the enhancement of PF are of paramount importance In this work, Bi 2 Te 3 Sb and Bi 2 Te 3 W multilayer films are proposed to enhance the thermoelectric properties
- NSR | 量产高效N型Bi2Te3热电材料：晶格素化与能带工程双管齐下
热电技术通过材料内部的载流子定向输运，实现了热能与电能之间的直接和可逆转换，是一种重要的绿色能源转换技术，在温差发电和热电制冷领域
- 半世紀以上熱電変換の最高性能を誇るBi2Te3系に匹敵する新規材料を開発 | NIMS
半世紀以上熱電変換の最高性能を誇るBi2Te3系に匹敵する新規材料を開発~希少元素を大幅削減して高性能化とモジュール化に成功 熱電変換普及への貢献に期待~NIMSは、n型Mg3Sb2系材料にわずかな銅原子を添加することで、高性能な熱電材料に必要な熱伝導率低減と電荷移動度1)向上を両立させる
- Bi2Te3-based applied thermoelectric materials: research advances and . . .
The peak ZT of n-type materials is often located at 400–470 K, which is higher than room temperature (Fig 1) Commercial Bi 2 Te 3-based materials are mainly used for refrigeration and cooling, and the optimal temperature region of p-type materials is near room temperature, making them more suitable for cooling applications It is necessary to lower the optimal temperature region of n-type
- A review on bismuth telluride (Bi - ScienceDirect
This review paper presents an overview for the remarkable research progress on Bi 2 Te 3 nanostructure growth by several methods Bi 2 Te 3 basically is known as a compound element of Bismuth (Bi) and Tellurium (Te) Bi physically behaves like a metal But when it is alloyed with Te, then it behaves like an efficient semiconductor thermoelectric type material
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