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A Highly Reversible and Low‐Cost Sulfur‐Graphite Dual‐Ion Battery
Author(s) -
Shuai Yi,
He Xuan,
Zhang Zeping,
Chen Kanghua,
Lou Jin,
Wang Yu,
Li Na
Publication year - 2019
Publication title -
energy technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.91
H-Index - 44
eISSN - 2194-4296
pISSN - 2194-4288
DOI - 10.1002/ente.201800729
Subject(s) - battery (electricity) , anode , polyacrylonitrile , materials science , graphite , sulfur , chemical engineering , carbon fibers , ion , economic shortage , energy storage , composite material , chemistry , electrode , organic chemistry , metallurgy , power (physics) , physics , quantum mechanics , composite number , engineering , polymer , linguistics , philosophy , government (linguistics)
The development of energy storage systems (ESSs) has received increasing attention due to the environmental degradation and fossil fuel shortage. In this study, a highly reversible sulfur‐graphite dual‐ion battery is developed, in which sulfurized polyacrylonitrile (S@PAN) is used as the anodic material. Compared with a graphite (372 mAh g −1 ) or aluminum (structural instability) anode in a dual‐ion battery, this anodic material exhibits an excellent structural stability and a high specific capacity during lithiation or delithiation. Statistically, a considerable specific capacity of 750 mAh g −1 when calculated based on the weight of S@PAN over a voltage plateau of ≈2 V with only a 7% capacity loss is achieved after 50 cycles at 100 mA g −1 and shows an attractive rate performance at different current densities. This sulfur‐graphite dual‐ion battery is considered to become a promising ESS candidate.