Oxygen- and Nitrogen-Enriched 3D Porous Carbon for Supercapacitors of High Volumetric Capacity
Abstract
Efficient utilization and broader commercialization of alternative energies (e.g., solar, wind, and geothermal) hinges on the performance and cost of energy storage and conversion systems. For now and in the foreseeable future, the combination of rechargeable batteries and electrochemical capacitors remains the most promising option for many energy storage applications. Porous carbonaceous materials have been widely used as an electrode for batteries and supercapacitors. To date, however, the highest specific capacitance of an electrochemical double layer capacitor is only ~200 F/g, although a wide variety of synthetic approaches have been explored in creating optimized porous structures. Here, we report our findings in the synthesis of porous carbon through a simple, one-step process: direct carbonization of kelp in an NH3 atmosphere at 700 °C. The resulting oxygen- and nitrogen-enriched carbon has a three-dimensional structure with specific surface area greater than 1000 m2/g. When evaluated as an electrode for electrochemical double layer capacitors, the porous carbon structure demonstrated excellent volumetric capacitance (>360 F/cm3) with excellent cycling stability. In conclusion, this simple approach to low-cost carbonaceous materials with unique architecture and functionality could be a promising alternative to fabrication of porous carbon structures for many practical applications, including batteries and fuel cells.
- Authors:
-
- Huazhong Univ. of Science and Technology, Wuhan (China)
- Georgia Inst. of Technology, Atlanta, GA (United States)
- Publication Date:
- Research Org.:
- Energy Frontier Research Centers (EFRC) (United States). Heterogeneous Functional Materials Center (HeteroFoaM)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); China Postdoctoral Science Foundation; National Natural Science Foundation of China (NSFC)
- OSTI Identifier:
- 1370162
- Grant/Contract Number:
- SC0001061; 2014M550390; 2014M552033; 2015T80793; 61501215
- Resource Type:
- Accepted Manuscript
- Journal Name:
- ACS Applied Materials and Interfaces
- Additional Journal Information:
- Journal Volume: 7; Journal Issue: 44; Related Information: HeteroFoaM partners with University of South Carolina (lead); University of California, Santa Barbara; University of Connecticut; Georgia Institute of Technology; Princeton University; Rochester Institute of Technology; Savannah River National Laboratory; University of South Carolina; University of Utah; Journal ID: ISSN 1944-8244
- Publisher:
- American Chemical Society (ACS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; kelp; 3D porous carbon; energy storage; volumetric capacitance; long cycling stability
Citation Formats
Li, Jia, Liu, Kang, Gao, Xiang, Yao, Bin, Huo, Kaifu, Cheng, Yongliang, Cheng, Xiaofeng, Chen, Dongchang, Wang, Bo, Sun, Wanmei, Ding, Dong, Liu, Meilin, and Huang, Liang. Oxygen- and Nitrogen-Enriched 3D Porous Carbon for Supercapacitors of High Volumetric Capacity. United States: N. p., 2015.
Web. doi:10.1021/acsami.5b06698.
Li, Jia, Liu, Kang, Gao, Xiang, Yao, Bin, Huo, Kaifu, Cheng, Yongliang, Cheng, Xiaofeng, Chen, Dongchang, Wang, Bo, Sun, Wanmei, Ding, Dong, Liu, Meilin, & Huang, Liang. Oxygen- and Nitrogen-Enriched 3D Porous Carbon for Supercapacitors of High Volumetric Capacity. United States. https://doi.org/10.1021/acsami.5b06698
Li, Jia, Liu, Kang, Gao, Xiang, Yao, Bin, Huo, Kaifu, Cheng, Yongliang, Cheng, Xiaofeng, Chen, Dongchang, Wang, Bo, Sun, Wanmei, Ding, Dong, Liu, Meilin, and Huang, Liang. Mon .
"Oxygen- and Nitrogen-Enriched 3D Porous Carbon for Supercapacitors of High Volumetric Capacity". United States. https://doi.org/10.1021/acsami.5b06698. https://www.osti.gov/servlets/purl/1370162.
@article{osti_1370162,
title = {Oxygen- and Nitrogen-Enriched 3D Porous Carbon for Supercapacitors of High Volumetric Capacity},
author = {Li, Jia and Liu, Kang and Gao, Xiang and Yao, Bin and Huo, Kaifu and Cheng, Yongliang and Cheng, Xiaofeng and Chen, Dongchang and Wang, Bo and Sun, Wanmei and Ding, Dong and Liu, Meilin and Huang, Liang},
abstractNote = {Efficient utilization and broader commercialization of alternative energies (e.g., solar, wind, and geothermal) hinges on the performance and cost of energy storage and conversion systems. For now and in the foreseeable future, the combination of rechargeable batteries and electrochemical capacitors remains the most promising option for many energy storage applications. Porous carbonaceous materials have been widely used as an electrode for batteries and supercapacitors. To date, however, the highest specific capacitance of an electrochemical double layer capacitor is only ~200 F/g, although a wide variety of synthetic approaches have been explored in creating optimized porous structures. Here, we report our findings in the synthesis of porous carbon through a simple, one-step process: direct carbonization of kelp in an NH3 atmosphere at 700 °C. The resulting oxygen- and nitrogen-enriched carbon has a three-dimensional structure with specific surface area greater than 1000 m2/g. When evaluated as an electrode for electrochemical double layer capacitors, the porous carbon structure demonstrated excellent volumetric capacitance (>360 F/cm3) with excellent cycling stability. In conclusion, this simple approach to low-cost carbonaceous materials with unique architecture and functionality could be a promising alternative to fabrication of porous carbon structures for many practical applications, including batteries and fuel cells.},
doi = {10.1021/acsami.5b06698},
journal = {ACS Applied Materials and Interfaces},
number = 44,
volume = 7,
place = {United States},
year = {Mon Oct 19 00:00:00 EDT 2015},
month = {Mon Oct 19 00:00:00 EDT 2015}
}
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