Application of quinonic cathode compounds for quasi-solid lithium batteries
Application of quinonic cathode compounds for quasi-solid lithium batteries
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DOI：
10.1016/j.jpowsour.2012.08.040
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发表时间：
2013-01-01
影响因子：
9.2
通讯作者：
Honma, Itaru
中科院分区：
文献类型：
--
作者：
Hanyu, Yuki;Ganbe, Yoshiyuki;Honma, Itaru
固态电池是利用可再生高容量有机阴极材料的最有力的候选设计之一。继我们之前对四氰基醌二甲烷的研究之后，进一步研究了高容量醌化合物，即二氯二氰基苯醌、四羟基苯醌和二羟基苯醌。电池循环实验表明，这些化合物发生可逆氧化还原反应，循环容量衰减显着减少。 DDQ电池可获得3.4V的电池电压，THBQ和DHBQ电池的容量超过250mAh g(-1)。这些结果表明，通过采用适当的电池设计，有机正极的循环性能可以大大提高，并且可以将它们开发为低成本环保的高能量密度正极材料。 (C) 2012 Elsevier B.V. 保留所有权利。
Solid-state cells are one of the strongest candidate designs for utilisation of renewable high-capacity organic cathode materials. Following our previous work on tetracyanoquinodimethane, further high-capacity quinonic compounds, namely dichlorodicyanobenzoquinone, tetrahydroxybenzoquinone and dihydroxybenzoquinone were investigated. Cell cycling experiments indicated that these compounds undergo reversible redox reaction with significantly less cyclic capacity decay. 3.4 V of cell voltage was attainable from DDQ cells and capacities exceeding 250 mAh g(-1) were obtained from THBQ and DHBQ. These results reassure that by adopting an appropriate battery design, cycleability of organic cathodes can be drastically improved and they can be exploited as low-cost environmentally friendly high energy-density cathode materials. (C) 2012 Elsevier B.V. All rights reserved.