期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 3, 期 21, 页码 11376-11386出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ta01574j
关键词
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资金
- Key Project of Tianjin Municipal Natural Science Foundation of China [14JCZDJC32200, 13JCZDJC33900]
- LPMT
- CAEP [KF14006]
- Academic Innovation Funding of Tianjin Normal University [52XC1404]
- Scientific Research Foundation for Returned Overseas Chinese Scholars of State Education Ministry
- Training Plan of Leader Talent of University in Tianjin
- Thousand Youth Talents in Tianjin of China
The poriferous reduced graphene oxide (rGO) with abundant oxygen-containing functional groups synthesized by a one-step hydrothermal method was successfully employed as a high performance cathode in lithium-ion batteries. The electrochemical results show that the rGO exhibits a remarkable lithium storage capacity (up to 270 mA h g(-1) after 100 cycles). Further analysis shows that the rGO can exhibit a significantly high rate capacity, good reversibility, and excellent cycling stability, which clearly reveals the potential use of the rGO as the cathode material to boost both energy and power densities of LIBs. Furthermore, by controlling the oxygenic functional groups of the rGO, it was demonstrated that the capacity of rGO increased with the increase of the number of oxygenic functional groups, which illustrates that the excellent electrochemical performance of rGO could be attributed to its specific poriferous structure and the oxygen-containing functional groups.
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