High-performance aqueous asymmetric supercapacitor based on spinel LiMn2O4 and nitrogen-doped graphene/porous carbon composite
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- 作者：Xue Yanga ; Fengyu Qua ; Hao Niua ; Qian Wanga ; wangqianhrb@163.com" class="auth_mail" title="E-mail the corresponding author ; Jun Yanb ; yanjun198201@163.com" class="auth_mail" title="E-mail the corresponding author ; Zhuangjun Fanb ; fanzhj666@163.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：lithium manganese oxide ; asymmetric supercapacitor ; energy density
- 刊名：Electrochimica Acta
- 出版年：2015
- 出版时间：20 October 2015
- 年：2015
- 卷：180
- 期：Complete
- 页码：287-294
- 全文大小：2288 K
文摘
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Spinel LiMn2O4 has been prepared through a facile hydrothermal method.
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LiMn2O4 possesses high specific capacitance and excellent rate capability.
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The asymmetric supercapacitor achieves a high energy density of 44.3 Wh kg−1.
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This novel strategy provides a promising route to design advanced supercapacitors.