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Long-lifespan Polyanionic Organic Cathodes for Highly Efficient Organic Sodium-ion Batteries.
ChemSusChem ( IF 7.5 ) Pub Date : 2020-03-10 , DOI: 10.1002/cssc.202000131
Di Li 1 , Wu Tang 1 , Chen Yue Yong 1 , Zheng Hui Tan 1 , Chuan Wang 1 , Cong Fan 1
Affiliation  

An organic Na-ion battery is reported with a polyanionic 9,10-anthraquinone-2,6-disulfonate (Na2 AQ26DS, 130 mAh g-1 ) cathode and the Na-intercalated state (Na4 TP) of sodium terephthalate (Na2 TP, 255 mAh g-1 ) as the anode. The resulting full cells deliver the maximum discharge capacity of 131 mAh g-1 cathode in 0.5-3.2 V, simultaneously maintaining the average value of ≈62 mAh g-1 cathode during 1200 cycles (0.5 A g-1 , ≈4 C). These results are among the best performing organic sodium-ion full cells reported to date.

中文翻译:

用于高效有机钠离子电池的长寿命聚阴离子有机阴极。

据报道,有机Na离子电池带有聚阴离子9,10-蒽醌-2,6-二磺酸盐(Na2 AQ26DS,130 mAh g-1)阴极和对苯二甲酸钠(Na2 TP, 255 mAh g-1)作为阳极。所得的全电池在0.5-3.2 V的电压下可提供131 mAh g-1阴极的最大放电容量,同时在1200个周期(0.5 A g-1,≈4C)下保持≈62mAh g-1阴极的平均值。这些结果是迄今为止报道的性能最佳的有机钠离子全电池之一。
更新日期:2020-04-22
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