Multifunctional composite panels and methods for the same

Patent metadata

Field	Value
Publication number	US-12089435-B2
Application number	US-202117145489-A
Country	US
Kind code	B2
Filing date	Jan 11, 2021
Priority date	Oct 11, 2018
Publication date	Sep 10, 2024
Grant date	Sep 10, 2024

Abstract

A multifunctional composite panel and a system for fabricating the multifunctional composite panel are disclosed. The multifunctional composite panel may include a plurality of structural layers and a plurality of photovoltaic layers disposed adjacent the plurality of structural layers. The structural layers may include a plurality of alternating layers where each of the alternating layers includes a first layer and a second layer. The first layer may include one or more polymers and the second layer may include one or more inorganic materials. The system for fabricating the multifunctional composite panel may include a based configured to support the multifunctional composite panel and a plurality of application heads disposed proximal the based and configured to form layers of the multifunctional composite panel.

First claim

What is claimed is:

1. A multifunctional composite panel, comprising:
a plurality of structural layers, wherein the plurality of structural layers comprises a plurality of alternating layers, wherein:
each of the plurality of alternating layers comprises a first layer and a second layer, the second layer disposed directly adjacent the first layer,
the first layer of each of the plurality of alternating layers comprises one or more polymers, and
the second layer of each of the plurality of alternating layers comprises one or more inorganic materials; and

a plurality of photovoltaic layers disposed adjacent the plurality of structural layers, wherein the plurality of photovoltaic layers is configured to convert light energy into electrical power;
wherein the multifunctional composite panel has a thickness of from about 1 mm to about 30 mm;
wherein the one or more inorganic materials comprise one or more of aluminum oxide (Al 2 O 3 ), graphene, silicon oxide, or combinations thereof; and
wherein the multifunctional composite panel includes an amount of inorganic materials from about 40% to about 60% by volume, based on a total volume of the multifunctional composite panel.

2. The multifunctional composite panel of claim 1 , wherein the one or more polymers comprise one or more thermoplastics.

3. The multifunctional composite panel of claim 2 , wherein the one or more thermoplastics comprise one or more of polyimide, polyethylene terephthalate (PET), poly(methylmethacrylate) (PMMA), or combinations thereof.

4. The multifunctional composite panel of claim 1 , wherein the multifunctional composite panel is substantially free of structural fibers.

5. The multifunctional composition panel of claim 1 , wherein the plurality of structural layers and the plurality of photovoltaic layers are substantially free of binders.

6. The multifunctional composite panel of claim 1 , further comprising a mandrel disposed directly adjacent the plurality of structural layers.

7. The multifunctional composite panel of claim 1 , wherein the second layer of each of the plurality of alternating layers comprises a combination of aluminum oxide (Al 2 O 3 ), graphene, and silicon oxide.

8. The multifunctional composite panel of claim 1 , wherein the multifunctional composite panel comprises a transparency of from about 30% to about 95%, as measured by the transmissivity of light.

9. The multifunctional composite panel of claim 1 , wherein the multifunctional composite panel comprises an in-plane specific stiffness of greater than or equal to 15.0 E6 m 2 /s 2 .

10. The multifunctional composite panel of claim 1 , wherein the multifunctional composite panel comprises a thermal expansion coefficient in one or more directions of greater than or equal to about 0° K −1 , and less than or equal to about 50 E-6° K −1 .

11. The multifunctional composite panel of claim 1 , wherein the multifunctional composite panel comprises an in-plane specific strength (σx/ρ) of greater than or equal to about 150 kNm/Kg.

12. The multifunctional composite panel of claim 1 , wherein the multifunctional composite panel comprises a density of from about 1.5 g/cm 3 to about 2.20 g/cm 3 .

13. The multifunctional composite panel of claim 1 , wherein the silicon oxide is treated with magnesium.

14. The multifunctional composite panel of claim 1 , wherein the multifunctional composite panel comprises a transparency of from about 40% to about 90%, as measured by the transmissivity of light.

15. The multifunctional composite panel of claim 1 , wherein the multifunctional composite panel comprises a transparency of from about 60% to about 85%, as measured by the transmissivity of light.

16. The multifunctional composite panel of claim 1 , wherein the multifunctional composite panel comprises a thermal expansion coefficient in one or more directions of greater than or equal to about 0° K −1 , and less than or equal to about 30 E-6° K −1 .

17. The multifunctional composite panel of claim 1 , wherein the multifunctional composite panel comprises a thermal expansion coefficient in one or more directions of greater than or equal to about 0° K −1 , and less than or equal to about 20 E-6° K −1 .

18. The multifunctional composite panel of claim 1 , wherein the multifunctional composite panel comprises an in-plane specific strength (σx/ρ) of greater than or equal to about 900 kNm/Kg.

19. The multifunctional composite panel of claim 1 , wherein the multifunctional composite panel comprises an in-plane specific strength (σx/ρ) of greater than or equal to about 1400 kNm/Kg.

20. The multifunctional composite panel of claim 1 , wherein the multifunctional composite panel comprises a density of from about 1.6 g/cm 3 to about 2.0 g/cm 3 .

Assignees

• Boeing Co

Inventors

• Cheng Jiangtian
• Nordman Paul S
• Yoon Hojun
• Zhang Xiaobo

Classifications

• H10K50/8445 Primary

  multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers · CPC title

• H10F19/80 Primary

  Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells · CPC title

• H10F77/211

  for photovoltaic cells · CPC title

• H10F77/30

  Coatings (arrangements for preventing damage to photovoltaic cells caused by corpuscular radiation H10F77/80) · CPC title

• H10F19/31

  having multiple laterally adjacent thin-film photovoltaic cells deposited on the same substrate · CPC title