Depression Mechanism of Sodium Sulfide in Flotation Separation of Molybdenite and Bismuthinite

Zhong, Chongyi; He, Dongdong; Sun, Wei

doi:10.1080/08827508.2021.1935928

Cited by 4 publications

(1 citation statement)

References 34 publications

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“…Sun's groups prepared the high purity molybdenite through the flotation with optimized agents. [ 6 ] Used as raw materials, the particles with the diameter showed a capacity of 672 mA h g –1 but with inferior cycling stability. As well‐known, the poor reversibility of MoS 2 could give rise to the formation of by‐product “polysulfide” (LiPSs), where the electrochemical reactions would be deteriorated by their corresponding “shuttling” behaviors.…”

Section: Introductionmentioning

confidence: 99%

Rational Design of Nature Molybdenite with La₂O₃ Catalysts for Improved Energy‐Storage Behaviors

Yang

Lin

Zhao

et al. 2022

Adv Materials Inter

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Natural molybdenite (MoS2) displays large interlayer distance and rich electrochemical activities, but suffers from the complex preparation process with serious pollution. MoS2, as the low‐cost resources, have captured numerous attentions as first‐hand energy‐storage materials. However, they are still limited by the shuttling of polysulfide and side reactions. Through the in situ solution deposition and thermochemical methods, molybdenite@La2O3 is successfully prepared with the formation of MoSLa bonds in the interfaces. La2O3, as the important catalyst, is uniformly distributed on the surface of molybdenite, which serves vital roles in the redox reversibility. Owing to the fascinating architecture, the as‐obtained samples deliver a considerable capacity of 803.1 mA h g−1, with high coulombic efficiency of 86.32%. After 500 cycles, the capacity increases up to ≈1200 mA h g−1. Even at 5.0 A g−1, its capacity can be remained ≈550 mA h g−1after 100 cycles. Assisted by the detailed kinetic behaviors, the improved energy‐storage capability mainly comes from the enhancements of pseudocapacitive behaviors. Moreover, benefiting from the detailed resistance analysis, the existing of La2O3 can induce the evolution of redox reactions stability. Thus, the work is expected to provide effective modified strategy for natural molybdenite in energy‐storage systems.

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Section: Introductionmentioning

confidence: 99%

Rational Design of Nature Molybdenite with La₂O₃ Catalysts for Improved Energy‐Storage Behaviors

Yang

Lin

Zhao

et al. 2022

Adv Materials Inter

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Surface characterization of molybdenite, bismuthinite, and pyrite to identify the influence of pH on the mineral floatability

Lin

Wang

Sun

et al. 2022

Applied Surface Science

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The effect of calcium hypochlorite on the adsorption of diethyldithiocarbamate (DDTC) on the surface of molybdenite and bismuthinite

Lin,

Chai,

Zhang

et al. 2023

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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Depression Mechanism of Sodium Sulfide in Flotation Separation of Molybdenite and Bismuthinite

Cited by 4 publications

References 34 publications

Rational Design of Nature Molybdenite with La₂O₃ Catalysts for Improved Energy‐Storage Behaviors

Rational Design of Nature Molybdenite with La₂O₃ Catalysts for Improved Energy‐Storage Behaviors

Surface characterization of molybdenite, bismuthinite, and pyrite to identify the influence of pH on the mineral floatability

The effect of calcium hypochlorite on the adsorption of diethyldithiocarbamate (DDTC) on the surface of molybdenite and bismuthinite

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Depression Mechanism of Sodium Sulfide in Flotation Separation of Molybdenite and Bismuthinite

Cited by 4 publications

References 34 publications

Rational Design of Nature Molybdenite with La2O3 Catalysts for Improved Energy‐Storage Behaviors

Rational Design of Nature Molybdenite with La2O3 Catalysts for Improved Energy‐Storage Behaviors

Surface characterization of molybdenite, bismuthinite, and pyrite to identify the influence of pH on the mineral floatability

The effect of calcium hypochlorite on the adsorption of diethyldithiocarbamate (DDTC) on the surface of molybdenite and bismuthinite

Contact Info

Product

Resources

About

Rational Design of Nature Molybdenite with La₂O₃ Catalysts for Improved Energy‐Storage Behaviors

Rational Design of Nature Molybdenite with La₂O₃ Catalysts for Improved Energy‐Storage Behaviors