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- W4308394087 endingPage "2205887" @default.
- W4308394087 startingPage "2205887" @default.
- W4308394087 abstract "In this study, cuboid-like anhydrous CoC2O4 particles (CoC2O4-HK) are synthesized through a potassium citrate-assisted hydrothermal method, which possess well-crystallized structure for fast Li+ transportation and efficient Li+ intercalation pseudocapacitive behaviors. When being used in lithium-ion batteries, the as-prepared CoC2O4-HK delivers a high reversible capacity (≈1360 mAh g-1 at 0.1 A g-1), good rate capability (≈650 mAh g-1 at 5 A g-1) and outstanding cycling stability (835 mAh g-1 after 1000 cycles at 1 A g-1). Characterizations illustrate that the Li+-intercalation pseudocapacitance dominates the charge storage of CoC2O4-HK electrode, together with the reversible reaction of CoC2O4+2Li++2e−→Co+Li2C2O4 on discharging and charging. In addition, CoC2O4-HK particles are also used together with carbon–sulfur composite materials as the electrocatalysts for lithium–sulfur (Li–S) battery, which displays a gratifying sulfur electrochemistry with a high reversibility of 1021.5 mAh g−1 at 2 C and a low decay rate of 0.079% per cycle after 500 cycles. The density functional theory (DFT) calculations show that CoC2O4/C can regulate the adsorption-activation of reaction intermediates and therefore boost the catalytic conversion of polysulfides. Therefore, this work presents a new prospect of applying CoC2O4 as the high-performance electrode materials for rechargeable Li-ion and Li–S batteries." @default.
- W4308394087 created "2022-11-11" @default.
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- W4308394087 date "2022-11-07" @default.
- W4308394087 modified "2023-10-17" @default.
- W4308394087 title "High Pseudocapacitance‐Driven CoC <sub>2</sub> O <sub>4</sub> Electrodes Exhibiting Superior Electrochemical Kinetics and Reversible Capacities for Lithium‐Ion and Lithium–Sulfur Batteries" @default.
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- W4308394087 doi "https://doi.org/10.1002/smll.202205887" @default.
- W4308394087 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/36344416" @default.
- W4308394087 hasPublicationYear "2022" @default.
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