Title:
COMPOSITE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2020/067837
Kind Code:
A1
Abstract:
The present invention relates to a composite material, a method for preparing same, and an electromagnetic wave shielding sheet including same, the composite material comprising: a metal foam in a film form for effectively controlling heat generated during the operation of a battery or various electronic devices; and a graphene component present on the surface of the metal foam or inside the metal foam, the metal foam including pores having an average size of 10 μm or less with respect to the long axis. The present invention can provide an electromagnetic wave shielding sheet that has excellent heat dissipation performance, excellent impact resistance or processability, excellent electromagnetic wave shielding performance, and excellent mechanical strength and flexibility and is advantageous in terms of oxidation and high-temperature stability.
Inventors:
SHIN JONG MIN (KR)
YOO DONG WOO (KR)
LEE JIN KYU (KR)
YOO DONG WOO (KR)
LEE JIN KYU (KR)
Application Number:
PCT/KR2019/012744
Publication Date:
April 02, 2020
Filing Date:
September 30, 2019
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H05K7/20; B32B5/18; B32B15/08; C22C1/08; H05K9/00
Foreign References:
| KR20170029375A | 2017-03-15 | |||
| KR101337959B1 | 2013-12-09 | |||
| JP2017149134A | 2017-08-31 | |||
| KR20170003808A | 2017-01-10 | |||
| JP2017028280A | 2017-02-02 | |||
| KR20170086014A | 2017-07-25 | |||
| KR20170040971A | 2017-04-14 | |||
| KR20170040972A | 2017-04-14 | |||
| KR20160162154A | 2016-11-30 | |||
| KR20160162153A | 2016-11-30 | |||
| KR20160162152A | 2016-11-30 |
Other References:
See also references of EP 3796766A4
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
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