Organic 2,5-dihydroxy-1,4-benzoquinone potassium salt with ultrahigh initial coulombic efficiency for potassium-ion batteries

2020 ◽  
Vol 56 (81) ◽  
pp. 12234-12237
Author(s):  
Qijiu Deng ◽  
Congcong Tian ◽  
Zongbin Luo ◽  
Yangyang Zhou ◽  
Bo Gou ◽  
...  

A new organic 2,5-dihydroxy-1,4-benzoquinone potassium salt (K2C6H2O4) with an ultrahigh initial coulombic efficiency of 96% is proposed as an advanced anode for potassium-ion batteries.

2020 ◽  
Vol 5 (5) ◽  
pp. 895-903 ◽  
Author(s):  
Hehe Zhang ◽  
Chong Luo ◽  
Hanna He ◽  
Hong-Hui Wu ◽  
Li Zhang ◽  
...  

An anode of hard carbon spheres with both small size and a porous structure enables superior electrochemical performance of potassium-ion batteries.


Author(s):  
Zheren Tang ◽  
Yan Wang ◽  
Zheng Zheng ◽  
Xingzhang Luo

Biomass carbon material has a good potential as an anode for potassium-ion batteries (KIBs). However, it suffers from a low initial Coulombic efficiency (ICE), which hinders its mass adoption. The...


2021 ◽  
pp. 2103173
Author(s):  
Weibin Guo ◽  
Chenying Zhang ◽  
Yinggan Zhang ◽  
Liang Lin ◽  
Wei He ◽  
...  

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