Renewable triboelectric generators, arrays, temperature sensors, electronic skin and methods

A technology of friction generators and temperature sensors, applied in friction generators, thermometers, thermometers using electric/magnetic elements that are directly sensitive to heat, etc., can solve problems such as unfavorable integration, and achieve stable conductivity and high tensile strength sexual effect

Active Publication Date: 2022-05-03
BEIJING INST OF NANOENERGY & NANOSYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In addition, in the current method of using a friction generator to drive the temperature sensor, the temperature sensor and the friction generator are independent devices, which is not conducive to integration

Method used

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  • Renewable triboelectric generators, arrays, temperature sensors, electronic skin and methods
  • Renewable triboelectric generators, arrays, temperature sensors, electronic skin and methods
  • Renewable triboelectric generators, arrays, temperature sensors, electronic skin and methods

Examples

Experimental program
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no. 1 example

[0053] In a first exemplary embodiment of the present disclosure, a regenerative friction generator is provided.

[0054] figure 1 It is a schematic structural diagram of a regenerative friction generator according to an embodiment of the present disclosure.

[0055] refer to figure 1 As shown, the regenerative triboelectric generator of this embodiment includes: a regenerative electrode layer 1, and the regenerative electrode layer 1 includes: metal nanowire-hydrogel; wherein, the metal nanowire-hydrogel is doped A hydrogel 11 with metal nanowires 12, the metal nanowires 12 can be separated from the hydrogel 11 in a water phase at a specific temperature to achieve regeneration, based on the reversibility of dynamic chemical bonds, the hydrogel 11 can be regenerated; and The friction layer 2 is located on the regenerative electrode layer 1, and the material of the friction layer 2 is hydrogel.

[0056] In this embodiment, preferably, the metal nanowires in the metal nanowir...

no. 2 example

[0075] In a second exemplary embodiment of the present disclosure, a method of preparing a metal nanowire-hydrogel having aligned metal nanowires is provided.

[0076] image 3 It is a flowchart of a method for preparing a metal nanowire-hydrogel with oriented metal nanowires according to an embodiment of the present disclosure.

[0077] refer to image 3 As shown, the method for preparing a metal nanowire-hydrogel with oriented metal nanowires in this embodiment includes:

[0078] Step S21: preparing a hydrogel precursor;

[0079] In one example, the preparation process of the hydrogel precursor is as follows: dissolve 10 grams of polyvinyl alcohol in 50 milliliters of hot water at 90°C, stir for 1 hour to form a transparent solution, add 0.5g-1.5g of sodium alginate and stir for 1 Hours later, after the sodium alginate was completely dissolved, 50 milliliters of 0.04 mol / L borax was added, and stirring was continued for 0.5 hours before the cross-linking reaction was adde...

no. 3 example

[0099] In a third exemplary embodiment of the present disclosure, an array of regenerative friction generators is provided.

[0100] Figure 10A It is a schematic structural diagram of a regenerative friction generator array according to an embodiment of the present disclosure.

[0101] refer to Figure 10A As shown, the regenerative friction generator array shown in this embodiment includes: an array of regenerative friction generators arranged on the same substrate 3, the regenerative friction generator is any of the regenerative friction generators mentioned in this disclosure dynamo.

[0102] Preferably, in the renewable triboelectric generator, the metal nanowires in the metal nanowire-hydrogel have orientation in the hydrogel.

[0103] Figure 10B It is an array arrangement form of the regenerative friction generator array shown in an embodiment of the present disclosure.

[0104] refer to Figure 10B As shown, an array arrangement form of the regenerative friction...

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Abstract

The invention discloses a regenerative friction generator, an array, a temperature sensor, an electronic skin and a method, wherein, the regenerative friction generator includes: a regenerative electrode layer, and the regenerative electrode layer includes: metal nanowire-hydrogel; Wherein, the metal nanowire-hydrogel is a hydrogel doped with metal nanowires, and the metal nanowires can be separated from the hydrogel in a water phase at a specific temperature to achieve regeneration. Based on the reversibility of dynamic chemical bonds, Hydrogels achieve regeneration. The hydrogel doped with metal nanowires is used as the electrode layer. The metal nanowires are insoluble in water, but the hydrogel is soluble in water in the water phase at a specific temperature, which can realize the separation, regeneration and reuse of metal nanowires. At the same time, based on the reversibility of dynamic chemical bonds, the hydrogel can return to its original state after dissolution, realizing the overall regeneration of the electrode layer, with comprehensive properties of regeneration, high stretchability, high transparency, high integration and self-driving.

Description

technical field [0001] The disclosure belongs to the technical field of friction nano power generation and temperature sensing technology, and relates to a renewable friction generator, an array, a temperature sensor, an electronic skin and a method, in particular to a reusable, self-healing, highly stretchable, Highly transparent, self-driven regenerative triboelectric generators, regenerative tribogenerator arrays, temperature sensors, and electronic skins, and also provide methods for preparing metal nanowires-hydrogels with oriented metal nanowires method. Background technique [0002] The electronic skin system is an electronic device or electronic system that uses new material technology, sensor technology, and micro-electromechanical processing technology to imitate the functions of human skin protection, perception, and regulation. [0003] The temperature sensor is a very important aspect of electronic skin. Temperature and humidity sensors are mainly divided into...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02N1/04B82Y30/00G01K7/02G01K7/16G01K7/34
CPCH02N1/04G01K7/02G01K7/16G01K7/34B82Y30/00
Inventor 孙其君孟艳芳
Owner BEIJING INST OF NANOENERGY & NANOSYST
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