Preparation and Adsorption Properties of Graphene-Modified, Pitch-Based Carbon Foam Composites

材料科学 吸附 复合材料 碳纳米泡沫 石墨烯 微观结构 多孔性 复合数 抗压强度 碳纤维 石墨烯泡沫 氧化石墨烯纸 化学 有机化学 纳米技术
作者
Hao Li,Tiehu Li,Weibin Deng,Siyuan Kong
出处
期刊:Polymers [MDPI AG]
卷期号:14 (20): 4455-4455 被引量:8
标识
DOI:10.3390/polym14204455
摘要

In view of the good adsorption properties of graphene and carbon foam, they were combined to achieve the optimal matching of microstructures. Taking mesophase pitch as a raw material, pitch-based carbon foam was prepared by the self-foaming method. Graphene gel was prepared as the second phase to composite with the carbon foam matrix; graphene-modified, pitch-based carbon foam composites were finally obtained. Graphene gel was dispersed in the rich pore structure of carbon foam to improve its agglomeration and the porosity, and the active sites of the composite were further increased; the adsorption properties and mechanical properties of the composites were also significantly improved. The microstructure and morphology of the composites were studied by SEM, XRD and Raman spectroscopy; the compressive property and porosity were also tested. Methylene blue (MB) solution was used to simulate a dye solution for the adsorption test, and the influence of the composite properties and MB solution on the adsorption property was studied. Results showed that the compressive strength of the composite was 13.5 MPa, increased by 53.41%, and the porosity was 58.14%, increased by 24.15%, when compared to raw carbon foam. When the mass of the adsorbent was 150 mg, the initial concentration of the MB solution was 5 mg/L, and the pH value of the MB solution was 11; the graphene-modified carbon foam composites showed the best adsorption effect, with an adsorption rate of 96.3% and an adsorption capacity of 144.45 mg/g. Compared with the raw carbon foam, the adsorption rate and adsorption capacity of the composites were increased by 158.18% and 93.50%, respectively.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
大幅提高文件上传限制,最高150M (2024-4-1)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
鳗鱼棉花糖完成签到 ,获得积分10
刚刚
2秒前
脑洞疼应助艾莎莎5114采纳,获得10
3秒前
dawn完成签到,获得积分10
3秒前
3秒前
朴素易烟完成签到,获得积分20
4秒前
kaifeiQi完成签到,获得积分10
4秒前
5秒前
tanhaowen发布了新的文献求助10
6秒前
8秒前
风中的向卉完成签到 ,获得积分10
11秒前
13秒前
小潘完成签到,获得积分10
13秒前
可靠尔岚完成签到,获得积分10
13秒前
14秒前
ziwei完成签到,获得积分10
16秒前
Rose_Yang完成签到 ,获得积分10
16秒前
17秒前
21秒前
坚强亦丝应助动听的夏真采纳,获得10
24秒前
xpd发布了新的文献求助30
25秒前
一点完成签到 ,获得积分10
25秒前
26秒前
静音完成签到 ,获得积分10
28秒前
31秒前
sanmu发布了新的文献求助30
31秒前
HR112应助仇行恶采纳,获得10
31秒前
动听的夏真完成签到,获得积分10
32秒前
温暖发布了新的文献求助10
33秒前
悠悠完成签到 ,获得积分10
34秒前
挺喜欢你发布了新的文献求助10
34秒前
风趣的灵枫完成签到 ,获得积分10
34秒前
35秒前
QSJ完成签到,获得积分10
38秒前
挺喜欢你完成签到,获得积分10
44秒前
44秒前
44秒前
夏沫完成签到,获得积分10
46秒前
LFJ发布了新的文献求助10
46秒前
49秒前
高分求助中
Evolution 10000
ISSN 2159-8274 EISSN 2159-8290 1000
Becoming: An Introduction to Jung's Concept of Individuation 600
A new species of Coccus (Homoptera: Coccoidea) from Malawi 500
A new species of Velataspis (Hemiptera Coccoidea Diaspididae) from tea in Assam 500
PraxisRatgeber: Mantiden: Faszinierende Lauerjäger 500
The Kinetic Nitration and Basicity of 1,2,4-Triazol-5-ones 440
热门求助领域 (近24小时)
化学 医学 生物 材料科学 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 基因 遗传学 催化作用 物理化学 免疫学 量子力学 细胞生物学
热门帖子
关注 科研通微信公众号,转发送积分 3159782
求助须知:如何正确求助?哪些是违规求助? 2810676
关于积分的说明 7889078
捐赠科研通 2469740
什么是DOI,文献DOI怎么找? 1315055
科研通“疑难数据库(出版商)”最低求助积分说明 630742
版权声明 602012