‘Cotton-ball’ shaped porous iron-nickel sulfide: A high-rate cathode for long-life aqueous rechargeable battery

Atin Pramanik,Sandipan Maiti,Shreyasi Chattopadhyay,Goutam De,Sourindra Mahanty

Materials Research Bulletin（2021）

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摘要

•Synthesis of porous FeNi2S4‘cotton-ball’ like morphology by hydrothermal technique.•First report of FeNi2S4//AC aqueous rechargeable battery.•High energy density of ∼215.7 W h kg−1 at a power density of ∼1184.5 kW kg−1.•Excellent cycling stability (∼87 % of capacity retention after 10,000 cycles).

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关键词

Ternary metal sulfide,FeNi2S4,Hydrothermal synthesis,Aqueous rechargeable battery,Electrochemical energy storage

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