Published in
Royal Society of Chemistry, Journal of Materials Chemistry A: materials for energy and sustainability, 16(3), p. 8280-8283, 2015
DOI: 10.1039/c5ta01947h
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A Zn-NiO rechargeable battery with long lifespan and high energy density
,
Minxia Li,
Yanfang Wang,
Yuping P. Wu,
Binwei Chen,
Yusong Zhu
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Abstract
A Zn-NiO rechargeable battery comprising NiO nanosheet anchored with CNTs as positive electrode, zinc plate as negative one and an alkaline solution of 1 M KOH and 10 mM Zn(Ac)2 as electrolyte is reported. It delivers a voltage of ~1.75 V and high energy density of 228 Wh kg-1 (based on the mass of positive electrode composite and zinc) with good cycling. It is great promise for practical energy storage.