二硫化钼
材料科学
退火(玻璃)
钼
电容
电极
化学工程
超级电容器
光电子学
复合材料
化学
冶金
物理化学
工程类
作者
Patrick V. Mwonga,Adewale K. Ipadeola,S.R. Naidoo,Alexander Quandt,Kenneth I. Ozoemena
标识
DOI:10.1002/elan.202060436
摘要
Abstract This work compares the supercapacitive properties of pristine molybdenum disulfide (MoS 2 ‐AS) and its counterpart annealed at 450 °C (MoS 2 ‐450) in 1 M Na 2 SO 4 solution. The MoS 2 ‐450 powder delivers an increased specific capacitance and low charge‐tansfer resistance compared to the MoS 2 ‐AS powder, interpreted as the consequence of high pore size and annealing‐induced active edge sites on the MoS 2 ‐450 for facile charge transport. Symmetric cells of the MoS 2 ‐450 electrodes, connected in series, delivered a voltage of 3.5 V, high enough to light a 1.6 V LED. The high performance of the MoS 2 ‐450 means that it can be optimized for potential application.
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