Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Beta-SrZrS3 thermoelectric conversion block material and preparation method thereof
The invention is suitable for the technical field of thermoelectric materials, and provides a preparation method of a beta-SrZrS3 thermoelectric conversion block material, which comprises the following steps: carrying out vulcanization reaction on SrZrO3 powder to obtain beta-SrZrS3 powder; and the beta-SrZrS3 powder is subjected to rapid hot pressing sintering to form a block, and the beta-SrZrS3 thermoelectric conversion block material is obtained. The preparation method provided by the invention has the advantages of low cost, simplicity and rapidness, batch synthesis of the SrZrS3 block material can be realized, the synthesis period is shortened, the prepared beta-SrZrS3 thermoelectric conversion block material is pure in phase, uniform in component distribution and high in density, the used raw material is SrZrO3 powder which is cheap and non-toxic and does not need an inert storage environment, and the preparation method is suitable for industrial production. A vacuum tube furnace and a rapid hot pressing furnace are used, preparation is carried out through vulcanization reaction and hot pressing sintering, and the raw materials, the preparation process and the target product meet the environment-friendly requirement, so that the preparation method provided by the embodiment of the invention can be directly expanded to development of thermoelectric conversion application of perovskite sulfide; and a new way is provided for the development of a novel thermoelectric system.
本发明适用于热电材料技术领域，提供了一种β‑SrZrS3热电转换块体材料的制备方法，包括以下步骤：将SrZrO3粉末进行硫化反应，得到β‑SrZrS3粉末；将β‑SrZrS3粉末进行快速热压烧结成块得到β‑SrZrS3热电转换块体材料。本发明提供的制备方法，具有低成本、简单、快速的优势，可实现SrZrS3块材的批量化合成、缩短合成周期，制备得到的β‑SrZrS3热电转换块体材料物相纯、成分分布均匀、致密度高，使用的原材料是廉价、无毒、无需惰性保存环境的SrZrO3粉末，使用真空管式炉和快速热压炉，通过硫化反应和热压烧结进行制备，并且由于原材料、制备过程、目标产物符合环境友好的要求，本发明实施例提供的制备方法可直接拓展至钙钛矿硫化物热电转换应用的开发，为新型热电体系的开发提供了新途径。
Beta-SrZrS3 thermoelectric conversion block material and preparation method thereof
The invention is suitable for the technical field of thermoelectric materials, and provides a preparation method of a beta-SrZrS3 thermoelectric conversion block material, which comprises the following steps: carrying out vulcanization reaction on SrZrO3 powder to obtain beta-SrZrS3 powder; and the beta-SrZrS3 powder is subjected to rapid hot pressing sintering to form a block, and the beta-SrZrS3 thermoelectric conversion block material is obtained. The preparation method provided by the invention has the advantages of low cost, simplicity and rapidness, batch synthesis of the SrZrS3 block material can be realized, the synthesis period is shortened, the prepared beta-SrZrS3 thermoelectric conversion block material is pure in phase, uniform in component distribution and high in density, the used raw material is SrZrO3 powder which is cheap and non-toxic and does not need an inert storage environment, and the preparation method is suitable for industrial production. A vacuum tube furnace and a rapid hot pressing furnace are used, preparation is carried out through vulcanization reaction and hot pressing sintering, and the raw materials, the preparation process and the target product meet the environment-friendly requirement, so that the preparation method provided by the embodiment of the invention can be directly expanded to development of thermoelectric conversion application of perovskite sulfide; and a new way is provided for the development of a novel thermoelectric system.
本发明适用于热电材料技术领域，提供了一种β‑SrZrS3热电转换块体材料的制备方法，包括以下步骤：将SrZrO3粉末进行硫化反应，得到β‑SrZrS3粉末；将β‑SrZrS3粉末进行快速热压烧结成块得到β‑SrZrS3热电转换块体材料。本发明提供的制备方法，具有低成本、简单、快速的优势，可实现SrZrS3块材的批量化合成、缩短合成周期，制备得到的β‑SrZrS3热电转换块体材料物相纯、成分分布均匀、致密度高，使用的原材料是廉价、无毒、无需惰性保存环境的SrZrO3粉末，使用真空管式炉和快速热压炉，通过硫化反应和热压烧结进行制备，并且由于原材料、制备过程、目标产物符合环境友好的要求，本发明实施例提供的制备方法可直接拓展至钙钛矿硫化物热电转换应用的开发，为新型热电体系的开发提供了新途径。
Beta-SrZrS3 thermoelectric conversion block material and preparation method thereof
一种β-SrZrS3热电转换块体材料及其制备方法
ZHANG YUEWEN (Autor:in) / HAN YANBING (Autor:in) / NAN YANYAN (Autor:in) / FANG CHAO (Autor:in) / ZHANG ZHUANGFEI (Autor:in)
10.12.2024
Patent
Elektronische Ressource
Chinesisch
| Europäisches Patentamt | 2023
| Europäisches Patentamt | 2021
| Europäisches Patentamt | 2020
| Europäisches Patentamt | 2020
| Europäisches Patentamt | 2019