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Photonic crystal composite wireless charging device

A photonic crystal and wireless charging technology, applied in photovoltaic power generation, crystal growth, photovoltaic modules, etc., can solve the problem of hard shell of lithium battery, poor biocompatibility, inability to apply implanted wireless charging equipment, and endangering human or other animal health and other issues, to achieve the effect of strong practical promotion value, strong functional pertinence, and low biological toxicity

Inactive Publication Date: 2019-08-16
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these wireless charging devices either use the principle of electromagnetic sensing, which may endanger the health of humans or other animals; or the preparation process is complicated and costly, which limits the application and promotion of these wireless devices; there is no solution to the problem of the hard shell of lithium batteries and the biological phase. The problem of poor capacitance cannot be applied to implantable wireless charging devices in the body

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0060] This embodiment provides an opal-type photonic crystal composite wireless charging device, which is prepared by the following method:

[0061] 1. Preparation of opal-type up-conversion enhanced photonic crystal materials

[0062] 1. Prepare an emulsion of monodisperse polystyrene microspheres with a particle size of 400nm

[0063] By the method of soap-free emulsion polymerization (the particle diameter range is 100nm-1000nm), the preparation particle diameter is the monodisperse polystyrene microsphere of 400nm, and the solid content of emulsion is about 10% (w / v), and the steps are as follows:

[0064] Weigh 0.175g of ammonium persulfate into a beaker, add 20mL of deionized water to dissolve it. Measure 0.33mL of acrylic acid and 38.5mL of styrene, dissolve in 300mL of deionized water, stir in a 500mL four-neck flask at 250r / min, turn on the cooling water, blow nitrogen into it for 20min, and then heat it in an oil bath to 70°C to stabilize , adding an aqueous solut...

Embodiment 2

[0084] This embodiment provides an inverse opal photonic crystal composite wireless charging device, which is prepared by the following method:

[0085] 1. Preparation of inverse opal-type up-conversion enhanced photonic crystal materials

[0086] 1. Preparation of polystyrene opal-type photonic crystal structure template:

[0087] According to the method of Example 1, the emulsion of monodisperse polystyrene microspheres with a particle size of 400nm was prepared, and 10 μl of the emulsion of monodisperse polystyrene microspheres was coated on a curved substrate, and dried in an oven at 40°C. A polystyrene opal-type photonic crystal structure template was obtained.

[0088] 2. Preparation of silica-coated infrared upconversion nanoparticles

[0089]According to Example 1, silica-coated infrared up-conversion nanoparticles NaYF4: Yb, Er were prepared.

[0090] 3. Preparation of silk protein solution:

[0091] 3.1 Wash the broken cocoons with 0.05% (w / v) sodium bicarbonate ...

Embodiment 3

[0099] This embodiment provides an inverse opal photonic crystal composite wireless charging device, which is prepared by the following method:

[0100] 1. Preparation of inverse opal-type up-conversion enhanced photonic crystal materials

[0101] According to Example 2, the inverse opal-type up-conversion enhanced photonic crystal material is prepared, wherein, the difference from Example 2 is that 20 μl of the monodisperse polystyrene An emulsion of microspheres is coated on a curved substrate.

[0102] 2. Preparation of fibrous sensitized solar cells

[0103] According to Example 1, a fibrous sensitized solar cell was prepared.

[0104] 3. Preparation of inverse opal photonic crystal composite wireless charging device

[0105] According to Example 2, an inverse opal photonic crystal composite wireless charging device was prepared.

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Abstract

The invention provides a photonic crystal composite wireless charging device for an implantable device in a living body. The photonic crystal composite wireless charging device comprises a solar cell;an up-conversion light-emitting device for providing visible light for the solar cell and prepared from an up-conversion photonic crystal composite material including a photonic crystal and up-conversion light-emitting particles distributed on the surface and / or in the photonic crystal. The photonic crystal has a periodic arrangement structure of photonic band gap characteristics. The up-conversion light-emitting particles are surface-modified infrared up-conversion nanoparticles. The photonic crystal composite wireless charging device realizes wireless charging by replacing the an abrupt magnetic field by light transportation, has raw materials easy to obtain, a simple method, and good targeted functions, and has wide application and a high practical promotion value in the fields of optoelectronics and energy.

Description

technical field [0001] The invention relates to the technical field of wireless charging, and in particular to a photonic crystal composite wireless charging device. Background technique [0002] At present, with the development of medical technology, implantable medical devices in the body are becoming more and more popular, and their functions are becoming more and more abundant, which puts forward great requirements for the supply of electric energy. Traditional lithium batteries have limited Because of its hard shell, poor biocompatibility and unsafety of repeated replacement, implantable wireless charging devices with better biocompatibility in vivo have become an important direction for future development. [0003] With the increasing development of wireless charging technology, common wireless charging equipment uses the principle of electromagnetic induction to transmit energy end-to-end, which relieves the dependence of traditional charging equipment on wires and ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02S40/20H02S40/22C30B7/00C30B29/58
CPCC30B7/00C30B29/58H02S40/20H02S40/22Y02E10/52
Inventor 刘向阳胡帆
Owner XIAMEN UNIV
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