Journal
APPLIED CLAY SCIENCE
Volume 203, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.clay.2021.106020
Keywords
Co3O4; Sepiolite; Composite; Electrochemical property; Template
Funding
- National Natural Science Foundation of China [12002295, 51702371]
- Outstanding Young Projects of the Hunan Provincial Education Department [18B066]
- Hunan Provincial Innovation Foundation of graduates [S202010530016, S202010530053]
- FAPEMA [UNIVERSAL-00961/18]
- CNPq [425730/2018-2]
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In this study, Co3O4/sepiolite composites were synthesized using electrochemically active sepiolite as templates. The composite exhibited high initial discharge capacity and stable cycling performance, as well as high specific discharge capacity at high rates.
In this paper, Co3O4/sepiolite composites have been synthesized by using electrochemically active sepiolite as templates. The Co3O4/sepiolite composite delivered an initial discharge capacity around 1947 mAhg(-1) at 1.0 Ag-1 with capacity retention up to 867 mAhg(-1) after 1000 cycles. Besides, the composite released a high specific discharge capacity around 453 and 206 mAhg(-1) at 5.0 and 15.0 Ag-1, respectively. A long-term activation process can be observed in the lithiation/delithiation reaction, which is beneficial to improve the cycling performance of Co3O4/sepiolite composites.
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