Composite material and manufacturing method thereof

The invention provides a composite material for electromagnetic wave shielding or electromagnetic wave absorption and a manufacturing method thereof. The composite material comprises an electromagnetic wave absorbing material and a conductive material. The electromagnetic wave absorbing material includes silicon carbide. The conductive material includes a two-dimensional carbon material including at least one of a graphite sheet and a graphene sheet. 本公开提供一种用于电磁波屏蔽或电磁波吸收的复合材料及其制造方法。复合材料包括电磁波吸收材料和导电材料。电磁波吸收材料包括碳化硅。导电材料包括含有石墨片材和石墨烯片材中的至少一者的二维碳材。