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https://hdl.handle.net/2440/130256
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Type: | Journal article |
Title: | K ₀⋅₂₅Mn₂O₄ nanofiber microclusters as high power cathode materials for rechargeable lithium batteries |
Other Titles: | K (0)<NON-ASCII>⋅(8901)<NON-ASCII>(25)Mn(2)O(4) nanofiber microclusters as high power cathode materials for rechargeable lithium batteries |
Author: | Zhang, C. Feng, C. Zhang, P. Guo, Z. Chen, Z. Li, S. Liu, H. |
Citation: | RSC Advances: an international journal to further the chemical sciences, 2012; 2(4):1643-1649 |
Publisher: | Royal Society of Chemistry |
Issue Date: | 2012 |
ISSN: | 2046-2069 2046-2069 |
Statement of Responsibility: | Chaofeng Zhang, Chuanqi Feng, Peng Zhang, Zaiping Guo, Zhixin Chen, Sean Lid and Huakun Liua |
Abstract: | K0.25Mn2O4 microclusters assembled from single-crystalline nanofibers were synthesized via a hydrothermal process at different temperatures. The possibility of using these materials as cathode material for lithium ion batteries was studied for the first time. The charge/discharge results showed that the K0.25Mn2O4 nanofiber microclusters synthesized at 120 °C exhibit excellent lithium storage properties, with a high reversible capability (360 mA h g−1 at current density of 100 mA g−1) and stable lithium-ion insertion/de-insertion reversibility. The charge/discharge mechanism in lithium ion batteries was studied and proposed for the first time. During the charge process, K+ was extracted from the electrode, which made active vacated sites suitable for lithium ion intercalation and was beneficial for increasing capacity. |
Rights: | This journal is © The Royal Society of Chemistry 2012 |
DOI: | 10.1039/c1ra00510c |
Grant ID: | http://purl.org/au-research/grants/arc/DP1094261 |
Published version: | http://dx.doi.org/10.1039/c1ra00510c |
Appears in Collections: | Aurora harvest 4 Chemistry and Physics publications |
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