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2D organic-alpha-Co(OH)(2) material and derived Co/C composites with bifunctions of anti-corrosion and microwave absorption
Ge, Jianwen1; Cui, Yu2; Cai, Yahui1; Qian, Jiaxin1; Liu, Li1; Meng, Fandi1; Wang, Fuhui1
Corresponding AuthorLiu, Li(liuli@mail.neu.edu.cn)
2021-11-01
Source PublicationCOMPOSITES PART B-ENGINEERING
ISSN1359-8368
Volume224Pages:12
AbstractIn this article, alpha-Co(OH)(2) lamellae as the precursor of ultimate Co/C composites was successfully fabricated utilizing glycol and Co2+ under the solvothermal conditions, where the final detections of amorphous carbon, dispersed inner alpha-Co(OH)(2) nanoparticles and related microstructures were investigated. After in situ polymerization and subsequent calcination, it is suggested that decorated carbon play an essential part in tuning the microstructure, where sample S1 with minimum additional carbon can be visualized the carbon skeleton which belonged to original alpha-Co(OH)(2) precursors. Results of absorption properties exhibit that the most outstanding absorption performance corresponds to sample S1 with high intensity of -64.2 dB and broad EAB up to 6.7 GHz at 2.17 mm. Meanwhile, ring-shaped Co/C composites were generated at relatively low temperature (550 degrees C), and the optimal EAB reaches 6.5 GHz. Besides, sample 52 is endowed with the outstanding corrosion resistance for highest E-corr (corrosion potential) and lowest I-corr (corrosion current), which is derived from the protection of carbon layers. Considering the excellent corrosion resistance, wetting effect and microwave absorption characteristics, the new hybrids provide an opportunity for the design of absorbent with commercial value.
KeywordCo/C composites alpha-Co(OH)(2) Microwave absorption Corrosion resistance
Funding OrganizationNational Natural Science Foundation of China
DOI10.1016/j.compositesb.2021.109172
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[U20B2026] ; National Natural Science Foundation of China[51871049]
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Multidisciplinary ; Materials Science, Composites
WOS IDWOS:000702642400001
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/166779
Collection中国科学院金属研究所
Corresponding AuthorLiu, Li
Affiliation1.Northeastern Univ, Shenyang Natl Lab Mat Sci, Shenyang 110819, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Wencui Rd 62, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Ge, Jianwen,Cui, Yu,Cai, Yahui,et al. 2D organic-alpha-Co(OH)(2) material and derived Co/C composites with bifunctions of anti-corrosion and microwave absorption[J]. COMPOSITES PART B-ENGINEERING,2021,224:12.
APA Ge, Jianwen.,Cui, Yu.,Cai, Yahui.,Qian, Jiaxin.,Liu, Li.,...&Wang, Fuhui.(2021).2D organic-alpha-Co(OH)(2) material and derived Co/C composites with bifunctions of anti-corrosion and microwave absorption.COMPOSITES PART B-ENGINEERING,224,12.
MLA Ge, Jianwen,et al."2D organic-alpha-Co(OH)(2) material and derived Co/C composites with bifunctions of anti-corrosion and microwave absorption".COMPOSITES PART B-ENGINEERING 224(2021):12.
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