Ultrafast Alkaline Ni/Zn Battery Based on Ni-Foam-Supported Ni3S2 Nanosheets | Zendy

Pu Hu | Zendy; Tianshi Wang | Zendy; Jingwen Zhao | Zendy; Chuanjian Zhang | Zendy; Jun Ma | Zendy; Huiping Du | Zendy; Xiaogang Wang | Zendy; Guanglei Cui | Zendy

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Ultrafast Alkaline Ni/Zn Battery Based on Ni-Foam-Supported Ni₃S₂ Nanosheets

Author(s) -

Pu Hu,

Tianshi Wang,

Jingwen Zhao,

Chuanjian Zhang,

Jun Ma,

Huiping Du,

Xiaogang Wang,

Guanglei Cui

Publication year - 2015

Publication title -

acs applied materials and interfaces

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.535

H-Index - 228

eISSN - 1944-8252

pISSN - 1944-8244

DOI - 10.1021/acsami.5b09728

Subject(s) - materials science , nickel , alkaline battery , battery (electricity) , ultrashort pulse , chemical engineering , metallurgy , nanotechnology , inorganic chemistry , laser , optics , power (physics) , chemistry , physics , quantum mechanics , engineering

Self-supported Ni3S2 ultrathin nanosheets were in situ formed by direct sulfurization of commercially available nickel foam using thioacetamide as sulfur source under hydrothermal process. The morphology and structure of the as-obtained sample were analyzed by using XRD, XPS, SEM, and TEM, revealing that an ultrathin nanosheets Ni3S2 were grown on the surface of Ni form. The as-obtained Ni3S2/Ni composite with uniform architecture was used as cathode material for alkaline Ni/Zn battery, which delivered high capacity of 125 mAh g(-1) after 100 cycles with no obvious capacity fading, extraordinary rate capability (68 mAh g(-1) at the current density of 5.0 A g(-1)), and high operating voltage (1.75 V).

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