材料科学
阳极
电池(电)
电解质
电化学
电极
阴极
化学工程
钠离子电池
氧化物
钾离子电池
电压
电气工程
冶金
法拉第效率
磷酸钒锂电池
物理
工程类
物理化学
功率(物理)
化学
量子力学
作者
Lilu Liu,Xingguo Qi,Qiang Ma,Xiaohui Rong,Yong-Sheng Hu,Zhibin Zhou,Hong Li,Xuejie Huang,Liquan Chen
标识
DOI:10.1021/acsami.6b11773
摘要
A non-sintered method with toothpaste electrode for improving electrode ionic conductivity and reducing interface impedance is introduced in solid-state rechargeable batteries. At 70 °C, this novel solid-state battery can deliver a capacity of 80 mAh g-1 in a voltage range of 2.5-3.8 V at 0.1C rate using layered oxide Na0.66Ni0.33Mn0.67O2, Na-β″-Al2O3 and sodium metal as cathode, electrolyte and anode, respectively. Moreover, the battery shows a superior stability and high reversibility, with a capacity retention of 90% after 10 000 cycles at 6C rate and a capacity of 79 mAh g-1 is recovered when the current rate is returned to 0.1C. Furthermore, a very thick electrode with active material mass loading of 6 mg cm-2 also presents a reasonable electrochemical performance. These results demonstrate that this is a promising approach to solve the interface problem and would open a new route in designing the next generation solid-state battery.
科研通智能强力驱动
Strongly Powered by AbleSci AI