Cotton-Textile-Enabled, Flexible Lithium-Ion Batteries with Enhanced Capacity and Extended Lifespan

Activated cotton textile (ACT) with porous tubular fibers embedded with NiS2 nanobowls and wrapped with conductive graphene sheets (ACT/NiS2–graphene) was fabricated by a simple two-step heat treatment method. When used as a binder-free electrode, the ACT/NiS2–graphene electrode exhibited an excepti...

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Bibliographic Details
Published in:Nano letters 2015-12, Vol.15 (12), p.8194-8203
Main Authors: Gao, Zan, Song, Ningning, Zhang, Yunya, Li, Xiaodong
Format: Article
Language:English
Subjects:
Electric Power Supplies
Gossypium
Lithium - chemistry
Textile Industry
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Summary:Activated cotton textile (ACT) with porous tubular fibers embedded with NiS2 nanobowls and wrapped with conductive graphene sheets (ACT/NiS2–graphene) was fabricated by a simple two-step heat treatment method. When used as a binder-free electrode, the ACT/NiS2–graphene electrode exhibited an exceptional electrochemical performance including ultrahigh initial discharge capacity (∼1710 mAh g–1 at 0.01 C), magnificent rate performance (the discharge capacitance retained at ∼645 mAh g–1 at 1 C after 100 cycles) and excellent cyclic stability (the discharge capacitance recovered to ∼1016 mAh g–1 at 0.1 C after 400 cycles).
ISSN:1530-6984
1530-6992
DOI:10.1021/acs.nanolett.5b03698