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超轻质磁性石墨烯/炭气凝胶的制备及电磁干扰性能

张恩爽 雷朝帅 李健 刘圆圆 高宇智 吕通 李文静 张昊

张恩爽, 雷朝帅, 李健, 刘圆圆, 高宇智, 吕通, 李文静, 张昊. 超轻质磁性石墨烯/炭气凝胶的制备及电磁干扰性能[J]. 新型炭材料, 2020, 35(6): 707-715. doi: 10.1016/S1872-5805(20)60524-8
引用本文: 张恩爽, 雷朝帅, 李健, 刘圆圆, 高宇智, 吕通, 李文静, 张昊. 超轻质磁性石墨烯/炭气凝胶的制备及电磁干扰性能[J]. 新型炭材料, 2020, 35(6): 707-715. doi: 10.1016/S1872-5805(20)60524-8
ZHANG En-shuang, LEI Chao-shuai, LI Jian, LIU Yuan-yuan, GAO Yu-zhi, LU Tong, LI Wen-jing, ZHANG Hao. The preparation of super lightweight magnetic Fe3O4/graphene/carbon aerogels and their use in electromagnetic interference shielding[J]. NEW CARBON MATERIALS, 2020, 35(6): 707-715. doi: 10.1016/S1872-5805(20)60524-8
Citation: ZHANG En-shuang, LEI Chao-shuai, LI Jian, LIU Yuan-yuan, GAO Yu-zhi, LU Tong, LI Wen-jing, ZHANG Hao. The preparation of super lightweight magnetic Fe3O4/graphene/carbon aerogels and their use in electromagnetic interference shielding[J]. NEW CARBON MATERIALS, 2020, 35(6): 707-715. doi: 10.1016/S1872-5805(20)60524-8

超轻质磁性石墨烯/炭气凝胶的制备及电磁干扰性能

doi: 10.1016/S1872-5805(20)60524-8
基金项目: 国家自然科学基金(51803203).
详细信息
    作者简介:

    张恩爽.E-mail:zhanges@126.com

    通讯作者:

    李文静,教授.E-mail:ht3lwj@126.com;张昊,教授.E-mail:ruizhangh@163.com

  • 中图分类号: O69

The preparation of super lightweight magnetic Fe3O4/graphene/carbon aerogels and their use in electromagnetic interference shielding

Funds: National Natural Science Foundation of China (51803203).
  • 摘要: 通过溶胶-凝胶、超临界干燥及高温裂解过程制备了Fe3O4磁性纳米粒子掺杂的石墨烯/炭气凝胶,该气凝胶具有多组分、超轻质及高导电等特性。研究了不同Fe3O4磁性纳米粒子掺杂量对材料微观结构、组分及电磁干扰性能的影响规律,获得密度仅为0.015 g cm-5,比表面积为511 m2 g-1的分等级微纳米结构的超混杂气凝胶材料。该材料可以实现对3种波段的有效遮蔽,对可见光在布撒初期和30 min后遮蔽率分别是99.90%和98.77%,对于3~5 μm红外及8~12 μm红外布撒初期的遮蔽率分别是99.55%和99.35%,布撒30 min后遮蔽率分别是99.05%和96.79%,对毫米波的干扰性能在布撒初期和30 min后遮蔽率分别是83.68%和82.54%。该材料优异的多波段电磁干扰性能为高性能烟幕干扰材料提供了新的设计思路。
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出版历程
  • 收稿日期:  2019-08-23
  • 修回日期:  2020-09-22
  • 刊出日期:  2020-12-31

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