Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A kind of cellulose paper/bi2te3 thermoelectric film composite material and its preparation method

A technology of cellulose paper and thermoelectric film, which is applied in the field of composite materials, can solve the problems of low melting point and easy change of components, and achieve the effects of improving thermoelectric performance, good ability to retard crack propagation, and high compactness

Active Publication Date: 2019-01-18
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, inorganic thermoelectric materials are generally covalently bonded semiconductor materials, which have intrinsic brittleness, low melting point, and easy to change components. It is difficult to prepare dense structures and high Thermoelectric thin film material with crystalline quality and good adhesion

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A kind of cellulose paper/bi2te3 thermoelectric film composite material and its preparation method
  • A kind of cellulose paper/bi2te3 thermoelectric film composite material and its preparation method
  • A kind of cellulose paper/bi2te3 thermoelectric film composite material and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] In the specific implementation process, the cellulose paper of the present invention / Bi 2 Te 3 Thermoelectric thin film composites comprising a cellulose paper substrate with Bi uniformly deposited on its surface 2 Te 3 Thermoelectric thin film layer, forming cellulose paper -Bi 2 Te 3 Thermoelectric thin film layer structure. Among them, the thickness of the cellulose paper is 50-100 μm, and the cellulose paper is composed of a large number of cellulose fibers with randomly distributed orientations and diameters ranging from hundreds of nanometers to 10 microns (generally 0.5-10 μm). The fiber length is 100-500 μm, and has good bending resistance and flexibility. The grain size of the film layer deposited on the cellulose paper can vary in the range of 90-520nm according to the deposition temperature, the crystal quality is high, there is no observable nano-hole structure and other defects, and the composition is uniform and adjustable. Bi 2 Te 3 The nominal th...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
thicknessaaaaaaaaaa
sizeaaaaaaaaaa
thermoelectric figure of meritaaaaaaaaaa
Login to View More

Abstract

The invention relates to the field of composite materials, in particular to a cellulose paper / Bi2Te3 (bismuth telluride) thermoelectric film composite material and a preparation method thereof. The composite material comprises a cellulose paper substrate and a Bi2Te3 thermoelectric thin film layer uniformly deposited on the surface; wherein, the thickness of the cellulose paper is 50-100 μm, and the nominal thickness of the Bi2Te3 thermoelectric thin film layer is 5-10 μm. The cellulose paper / thermoelectric thin film composite material is prepared by non-equilibrium magnetron deposition technology. The composite material has high thermoelectric energy conversion efficiency and good flexibility. It is a flexible thermoelectric energy conversion material with great application prospects. . Deposited thermoelectric materials have high crystallization quality and a dense structure with nanoscale grains. Their thickness and composition are uniform and adjustable, and their thermoelectric properties are close to those of commercial bulk materials. They can be used in flexible energy devices, micro sensors, and temperature control components.

Description

technical field [0001] The invention relates to the field of composite materials, in particular to a cellulose paper / Bi 2 Te 3 A (bismuth telluride) thermoelectric thin film composite material and a preparation method thereof, the composite material can be used as a flexible thermoelectric energy conversion device, a micro sensor and the like. Background technique [0002] In recent years, as the imbalance between energy supply and economic development has become prominent, the energy crisis and environmental pollution have become increasingly serious worldwide. "Energy saving and carbon reduction" and the search for clean energy technologies are issues of concern to all countries today. Thermoelectric materials are advanced functional semiconductor materials that can convert heat and electricity into two different forms of energy. They can make full use of waste heat in daily production and life to generate electricity. Important research content in the science and techno...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H01L35/14H01L35/16H01L35/34H10N10/851H10N10/01H10N10/852
CPCH10N10/851H10N10/852H10N10/01
Inventor 邰凯平雷浩靳群乔吉祥史文博姜辛
Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com