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Multilayer‐Cake WS 2 /C Nanocomposite as a High‐Performance Anode Material for Lithium‐Ion Batteries: “Regular” and “Alternate”
Author(s) -
Zou Jiaming,
Liu Cheng,
Yang Zhanxu,
Qi Chengyuan,
Wang Xiaorong,
Qiao Qingdong,
Wu Xian,
Ren Tieqiang
Publication year - 2017
Publication title -
chemelectrochem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.182
H-Index - 59
ISSN - 2196-0216
DOI - 10.1002/celc.201700414
Subject(s) - nanocomposite , anode , materials science , lithium (medication) , intercalation (chemistry) , carbon fibers , current density , ion , chemical engineering , conductivity , composite material , composite number , inorganic chemistry , electrode , chemistry , organic chemistry , physics , quantum mechanics , engineering , endocrinology , medicine
A multilayer‐cake WS 2 /C nanocomposite was successfully synthesized through an intercalation‐transformation method, in which few‐layered WS 2 and carbon were sandwiched in an alternating sequence. As a benefit of the electronic conductivity enhanced by the interlayer carbon and the unique “regular” and “alternate” architecture, the WS 2 /C nanocomposite showed promising performance as an anode material for lithium‐ion batteries. The nanocomposite demonstrated a high capacity of 829.4 mAh⋅g −1 at 0.3 A⋅g −1 after 140 cycles and it could still deliver a stable capacity of about 326.8 mAh⋅g −1 at a current density of 8.0 A⋅g −1 .
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