一种高性能热电器件及其超快速制备方法

何佳清; 周毅; 付良威; 陈跃星; 冯丹

何佳清

南方科技大学

南方科技大学

518055 广东省深圳市南山区西丽学苑大道1088号

深圳热电新能源科技有限公司

518000 广东省深圳市龙岗区吉华街道甘李工业园甘李六路12号中海信创新产业城13栋C501-510 (广东,深圳,龙岗区)

深圳热电新能源科技有限公司

518000 广东省深圳市龙岗区吉华街道甘李工业园甘李六路12号中海信创新产业城13栋C501-510 (广东,深圳,龙岗区)

CN201711092495.5

2017-11-08

CN107946452B

2020-08-04

2020-08-04

授权 ; 权利转移

2020-08-04

授权发明

第一

本发明公开了一种高性能热电器件及其超快速制备方法。高性能热电器件采用分段结构进行热电材料与温差环境最优匹配、采用阻挡层与缓冲应力层减小界面元素迁移与纵向接触热膨胀应力并增大结合强度、采用声子散射层与负热膨胀缓冲层嵌套固定热电腿增大高性能热电器件内部热阻与横向热匹配性能、采用内封装与外封装避免热电材料升华氧化并增强热电器件外部抗撞击能力，有效突破了传统热电器件存在能量转换效率低、比功率小、热稳定性差、抗撞击性差、制备工艺复杂等技术瓶颈，同时较大程度地提升了高性能热电器件的热学稳定性与机械结构性能，保障了长时间优异的电学输出性能，扩大了工作环境。

The invention discloses a high-performance thermoelectric device and an ultrafast fabrication method thereof. In the high-performance thermoelectric device, a segmented structure is employed to perform optimal matching of a thermoelectric material and a temperature difference environment, a blocking layer and a buffer stress layer are employed to reduce interface element migration and longitudinalcontact thermal expansion stress and improve bonding strength, a phonon scattering layer and a negative thermal expansion buffer layer are embedded to fix a thermoelectric leg so as to improve internal thermal resistance and horizontal thermal matching performance of the high-performance thermoelectric device, internal package and external package are employed to prevent the thermoelectric material from being oxidized and sublimed and improve external collision-resistant capability, the technical bottlenecks of low energy conversion efficiency, small specific power, poor thermal stability, poor collision performance, complicated fabrication process and the like of a traditional thermoelectric device are effectively broken through, meanwhile, the thermal stability and the mechanical structural performance of the high-performance thermoelectric device are improved to a great extent, long-term and excellent electrical output performance is guaranteed, and the working environment is expanded.

H01L35/32 ; H01L35/325 ; H01L35/34

H01L35/32 ; H01L35/34

（+PATENT GRANT）[2020-08-04][CN]

1

1

黄德海

北京清亦华知识产权代理事务所(普通合伙)

PatSnap

何佳清,周毅,付良威,等. 一种高性能热电器件及其超快速制备方法[P]. 2020-08-04.