NDLI: Synthesis of graphitic carbon spheres for enhanced supercapacitor performance

Content Provider	Springer Nature Link
Author	Chen, Aibing Yu, Yifeng Xing, Tingting Wang, Rujie Zhang, Yue Li, Qing
Copyright Year	2015
Abstract	Graphitic carbon spheres (GCS) with uniform particle diameter have been synthesized by K$_{3}$[Fe(CN)$_{6}$] catalytic graphitization of resorcinol/formaldehyde (RF) precursors. XRD and Raman spectra reveal that highly graphitic structure is developed by catalytic graphitization at 1000 °C successfully. The catalytic graphitization by K$_{3}$[Fe(CN)$_{6}$] maintains the spherical morphology of the RF resins, resulting in GCS-1000 (1000 = catalytic graphitization temperature of 1000 °C) with graphitic spherical morphology (625 nm in diameter). Besides conventionally microporous structure of carbonized RF resins, macropores with the diameter about 100 nm are yielded from the removal of iron particles, leading to hierarchical micro/macroporous structure and high surface area (381 m$^{2}$ g$^{−1}$). With a high degree of graphitization and prominent hierarchical porous structure, GCS exhibit a high capacitance of 155 F g$^{−1}$ and a good electrochemical stability, which make this type of GCS promising candidates as electrode materials for supercapacitors.
Starting Page	5578
Ending Page	5582
Page Count	5
File Format	PDF
ISSN	00222461
Journal	Journal of Materials Science
Volume Number	50
Issue Number	16
e-ISSN	15734803
Language	English
Publisher	Springer US
Publisher Date	2015-05-23
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Materials Science Characterization and Evaluation of Materials Polymer Sciences Continuum Mechanics and Mechanics of Materials Crystallography Mechanics
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Mechanics of Materials Mechanical Engineering Polymers and Plastics

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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