2022
DOI: 10.1039/d2qi00780k
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Hierarchical Ni(OH)2–MnO2hollow spheres as an electrode material for high-performance supercapacitors

Abstract: Hollow structures with unique structural features are incredibly attractive for energy storage systems. Here we demonstrate a self-template strategy to prepare hierarchical Ni(OH)2-MnO2 hollow spheres. First, Ni-Mn glycerate solid spheres...

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Cited by 63 publications
(20 citation statements)
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“…2d), which can be ascribed to Mn 2+ . 38,39 With respect to the P 2p XPS spectrum, the peaks at binding energies of 133.5 and 134.4 eV conform to P 2p 3/2 and 2p 1/2 of FePSe 3 (Fig. S3 †).…”
mentioning
confidence: 86%
“…2d), which can be ascribed to Mn 2+ . 38,39 With respect to the P 2p XPS spectrum, the peaks at binding energies of 133.5 and 134.4 eV conform to P 2p 3/2 and 2p 1/2 of FePSe 3 (Fig. S3 †).…”
mentioning
confidence: 86%
“…Nickel based compounds are widely used in energy storage and electrocatalysis due to their low natural abundance, low cost and excellent electrochemical activity. 47 Their active centers mainly come from the redox pairs of Ni( ii )/Ni( iii ) (Fig. 7).…”
Section: Electrode Sensitive Materials For Non-enzymatic Glucose Sensorsmentioning
confidence: 99%
“…12,13 In recent years, transition metal oxides such as zinc oxide (ZnO), vanadium oxide (V 2 O 5 ), cobalt oxide (Co 3 O 4 ), ruthenium oxide (RuO 2 ), and other related materials have been extensively employed as electrode materials for supercapacitors. [14][15][16][17][18][19][20][21][22][23][24][25] Among the widely studied supercapacitor electrode materials, a spinal structure (AB 2 O 4 ) of mixed transition metal oxides, comprising single-phase ternary metal oxides with two various transition metal elements has attracted much attention because of its higher electronic conductivity and electrochemical activity than the single transition metal oxides. [26][27][28] In particular, spinel nickel cobaltite (NiCo 2 O 4 [NCO]) has been broadly investigated as an electrode material in EDLC because of its advantages including large theoretical capacitance value (Z3000 F g À1 ), low cost, environmental-friendliness, etc.…”
Section: Introductionmentioning
confidence: 99%