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Preparation method of conductive material-doped nanometer piezoelectric composite thin film generator

A technology of piezoelectric composite and conductive materials, applied in nanotechnology for material and surface science, fabrication/assembly of piezoelectric/electrostrictive devices, piezoelectric/electrostrictive/magnetostrictive devices, etc., capable of Solve the problems of insufficient output power and low piezoelectric coefficient, and achieve the effect of low cost, high piezoelectric coefficient and high voltage performance

Inactive Publication Date: 2018-08-03
TAIYUAN UNIV OF TECH
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Problems solved by technology

[0004] Aiming at the problems of low piezoelectric coefficient and insufficient output power of traditional nano-composite film generators, the present invention proposes a preparation method of nano-piezoelectric composite film generators doped with conductive materials

Method used

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  • Preparation method of conductive material-doped nanometer piezoelectric composite thin film generator
  • Preparation method of conductive material-doped nanometer piezoelectric composite thin film generator
  • Preparation method of conductive material-doped nanometer piezoelectric composite thin film generator

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Embodiment Construction

[0016] A method for preparing a nano piezoelectric composite film generator doped with conductive materials, the specific preparation steps are as follows:

[0017] (1) Prepare the nano-piezoelectric composite solution doped with conductive materials: Weigh the PDMS main solvent and the hardening solvent with a balance, mix them evenly at a mass ratio of 10:1, and pour them into a beaker; then weigh them with a balance (including but not Limited to) piezoelectric materials such as lead zirconate titanate, zinc oxide, barium titanate, aluminum nitride, lead magnesium niobate, sodium niobate, potassium niobate, lithium niobate, etc. Conductive materials such as nanotubes are placed in the beaker. Put the beaker in a magnetic stirring water bath at a speed of 2500 r / min, seal the mouth of the beaker with plastic wrap, and stir for 1-1.5 hours to obtain a uniformly dispersed nano-piezoelectric composite solution. The mass ratio of piezoelectric material to PDMS is 0.1~7:10 (0.1:1...

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Abstract

The invention belongs to the preparation field of a piezoelectric material modified nanometer composite thin film generator, relates to a preparation method of a conductive material-doped nanometer piezoelectric thin film generator, and solves the technical problems of low piezoelectric coefficient, insufficient output power and the like of the conventional nanometer thin film generator. Accordingto the preparation method of the conductive material-doped nanometer composite piezoelectric thin film generator, a piezoelectric nanomaterial, PDMS and a conductive material are combined to preparea flexible piezoelectric thin film with uniform granule distribution; and then through high voltage polarization to obtain the nanometer piezoelectric thin film generator with high piezoelectric coefficient and relatively high output power. The preparation method of the composite thin film is simple in process, short in period, and low in cost; the nanometer particles are uniformly dispersed, andthe thin film obtained by adhesive throwing is uniform in thickness; and the composite thin film is quite high in flexibility, not broken after suffering from impact of multiple times, high in piezoelectric coefficient, high in output power and high in stability.

Description

technical field [0001] The invention belongs to the field of preparation of nano-composite film generators modified by piezoelectric materials, and relates to a preparation method of nano-piezoelectric composite film generators doped with conductive materials. Background technique [0002] With the advancement of high-tech fields such as the Internet of Things, micro-electromechanical systems, and nanomaterials, portable and embedded functional devices are developing towards small size and low power consumption. Traditional energy supply methods can no longer adapt to the work of devices in these high-tech fields. environment and energy requirements. Therefore, vigorously developing nano-scale sustainable self-power supply technology and solving the demand for sustainable self-power supply in the development of portable electronic devices and micro-nano systems will be a focus of future technology industry development. In recent years, nanogenerators, as active active senso...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L41/257H01L41/29H01L41/37B82Y30/00H10N30/045H10N30/06H10N30/092
CPCB82Y30/00H10N30/045H10N30/06H10N30/092
Inventor 罗翠线李朋伟夏梦杰胡杰李刚张文栋
Owner TAIYUAN UNIV OF TECH
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