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A kind of 3D printed wearable device and preparation method thereof

A 3D printing and wearable device technology, applied in the field of 3D printing, can solve problems such as hindering the attachment of liquid metal to the carrier, and achieve the effect of improving the scope of application, excellent performance, and meeting application requirements

Active Publication Date: 2022-04-29
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This hinders the attachment of the liquid metal to the carrier

Method used

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  • A kind of 3D printed wearable device and preparation method thereof

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Embodiment 1

[0030] A kind of wearable device of 3D printing, its preparation method comprises the following steps:

[0031] (1) The elastomer material platinum-cured silicone Ecoflex 00-30 is prepared into continuous elastomer A with different thicknesses by custom mold curing molding or repeated continuous coating / heat curing; the heat curing temperature is 40°C, and the The curing time is 30min;

[0032] (2) Prepare a patterned carbon nanotube-liquid metal modified material on the surface of the elastomer A by screen printing, and prepare a carbon nanotube-liquid metal current collector C; the carbon nanotube-liquid metal modified The viscosity of the material is 2,600cp;

[0033] (3) Print lithium iron phosphate doped acrylic composite resin D and perovskite Li-La-Ti-O doped acrylic composite resin on the surface of carbon nanotube-liquid metal current collector C by photocuring 3D printing E, Lithium titanate-doped acrylic composite resin F is closely connected side by side to form a ...

Embodiment 2

[0046] A kind of wearable device of 3D printing, its preparation method comprises the following steps:

[0047] (1) Print bis(ethylene glycol) dimethacrylate into acrylic light-cured body B of different shapes and thicknesses by light-curing 3D printing; the light-curing power is 500W, and the light-curing time is 5 minutes;

[0048] (2) Prepare a patterned carbon nanotube-liquid metal modified material on the surface of the acrylic photocuring body B by 3D extrusion, and prepare a carbon nanotube-liquid metal current collector C; the carbon nanotube-liquid metal modified The viscosity of the active material is 4,000cp;

[0049] (3) Print lithium iron phosphate doped acrylic composite resin D and perovskite Li-La-Ti-O doped acrylic composite resin on the surface of carbon nanotube-liquid metal current collector C by photocuring 3D printing E, Lithium titanate-doped acrylic composite resin F is closely connected side by side to form a 3D printing battery to obtain a 3D printed...

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Abstract

The invention provides a 3D printed wearable device and a preparation method thereof. Using acid solution to treat liquid metal can completely remove oxides on its surface, and modifying liquid metal with modified carbon nanotubes can form a reptile-like wrinkled structure on its surface, making carbon nanotube-liquid metal modified materials easy to use Elastomer or 3D printing photo-cured body surface to prepare high conductivity current collector. In addition, the energy supply module is prepared by 3D printing the battery on the surface of the current collector, and the 3D printed wearable device is obtained by mounting the temperature / pressure / chemical sensing, signal transmission and control modules. The method is easy to operate and has excellent performance.

Description

technical field [0001] The invention belongs to the technical field of 3D printing, and in particular relates to a 3D printing wearable device and a preparation method thereof. Background technique [0002] A wearable device is a portable device that can be worn directly on the body or integrated into the user's clothes or accessories. It has achieved unprecedented development in recent years; The diversity and plasticity of shapes can meet the needs of personalized product design and application. However, the current collector in the 3D printed wearable device is not only an important component to connect the 3D printed battery, to ensure that the 3D printed battery can continuously and stably supply energy to the entire device; it is also an important component to connect the sensing module, signal transmission module and control module. An important component to ensure stable and accurate acquisition of data information. Therefore, it is particularly important whether t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29D99/00C23G1/10H01M4/66
CPCB29D99/0064C23G1/10H01M4/661Y02E60/10
Inventor 汤彬张琦杨建新彭世广姚启明马运李睿邢小颖王龙兵
Owner TSINGHUA UNIV
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