Ni掺杂对Co4-xNixSb12热电转换性能的影响

来源 :无机材料学报 | 被引量 : 0次 | 上传用户:AFI123456
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
采用熔融法合成了Skutterudite化合物Co4-xNixSb12,并研究了Ni掺杂对该化合物的高温热电性能的影响.实验结果表明:由于Ni向Skutterudite结构中提供电子。导致化合物的载流子浓度和电导率随Ni置换量的增加而增加,Seebeck系数为负值,Seebeck系数的峰值温度随Ni置换量的增加向高温方向移动;Ni置换引入了电子-声子散射,导致晶格热导率降低.对于Skutterudite化合物Co4-xNixSb12,得到的最大热电性能指数ZT约为0.55.
其他文献
制度能够产生效率,促进经济增长。大学科技园区的发展离不开有效率的制度。加强市场制度建设、产权制度建设、风险投资制度建设、产学研合作制度建设以及非正式制度建设对于推
In 1673, Yoshimasu Murase made a cubic equation to obtain the thickness of a hearth. He introduced two kinds of recurrence formulas of square and the deformatio
The allocation of facilities and customers is a key problem in the design of supply chains of companies. In this paper, this issue is approached by partitioning
The use of Live, Virtual and Constructive (LVC) simulations are increasingly being examined for potential analytical use particularly in test and evaluation. In
Under the travelling wave transformation, some nonlinear partial differential equations such as the Getmanou equation are transformed to ordinary differential e
Multiple discrete (non-spatial) and continuous (spatial) structures can be fitted to a proximity matrix to increase the information extracted about the relation
In this paper, under the assumption that the exchange rate follows the extended Vasicek model, the pricing of the reset option in FBM model is investigated. Som
采用包埋浸渗法和化学气相沉积(CVD)法相结合在炭/炭(C/C)复合材料表面制备了SiC涂层,借助扫描电镜、能谱分析以及X射线衍射等检测手段对涂层的微观组织形貌、元素分布和物相组成进
We discuss the solution of Laplace’s differential equation and a fractional differential equation of that type, by using analytic continuations of Riemann-Liou