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Hierarchical Hollow Co9S8 Microspheres: Solvothermal Synthesis, Magnetic, Electrochemical, and Electrocatalytic Properties
Abstract
A simple solvothermal route in a binary solution of triethylenetetramine (TETA) and deionized water (DIW) has been used to synthesize hierarchical hollow Co 9 S 8 microspheres with high surface area (80.38 m 2 g−1). An appropriate volume ratio of TETA:DIW has been found to be essential for the formation of hollow Co 9 S 8 microspheres. The magnetic study indicated that the Co 9 S 8 hollow microspheres are paramagnetic at high temperature and antiferromagnetic at low temperature. The oxygen reduction reaction experiments demonstrated that the onset potential of the Co 9 S 8 sample is 0.88 V, which is comparable to the value predicted for Co 9 S 8 (0.74 V) from the theoretical simulation. The discharge capability of Co 9 S 8 hollow microspheres as cathode materials for lithium ion batteries and their electrocatalytic activity for the oxygen reduction reaction (ORR) have been studied.
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Cited by
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Metadata
- Authors
- Zhou, Y., Yao, H., Wang, Y., Liu, H., Gao, M., Shen, P., & Yu, S.
- Venue
- Chemistry – A European Journal
- Publisher
- Wiley
- Published
- 2010-09-06
- Volume
- 16
- Issue
- 39
- Pages
- 12000-12007
- ISSN
- 0947-6539 (ISSN-L)
- 1521-3765
- OpenAlex
- W2110942843
- Cited by
- 190
- References
- 0
- FWCI
- 4.89
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhou, Y., Yao, H., Wang, Y., Liu, H., Gao, M., Shen, P., & Yu, S. (2010). Hierarchical Hollow Co9S8 Microspheres: Solvothermal Synthesis, Magnetic, Electrochemical, and Electrocatalytic Properties. Chemistry – A European Journal. https://doi.org/10.1002/chem.200903263
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