S‐Doped TiSe2 Nanoplates/Fe3O4 Nanoparticles Heterostructure

Yang, Jun; Zhang, Yufei; Zhang, Yizhou; Shao, Jinjun; Geng, Hongbo; Zheng, Yun; Ulaganathan, Mani; Dai, Zhengfei; Li, Bing; Zong, Yun; Dong, Xiaochen; Yan, Qingyu; Huang, Wei

doi:10.1002/smll.201702181

Cited by 32 publications

(22 citation statements)

References 60 publications

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“…[6] However, sodium ions possess larger molar mass and ionic radius than lithium ions, which limits the theoretical energy density and the rate performance of SIBs as compared with LIBs. [7][8][9] Therefore, it is crucial to explore suitable Na-host electrode materials to accommodate the reversible insertion/deinsertion of Na + ions upon the continuous discharge/charge cycling, finally aiming to obtain excellent electrochemical performance.…”

Section: Accepted Manuscriptmentioning

confidence: 99%

Construction of ultrafine ZnSe nanoparticles on/in amorphous carbon hollow nanospheres with high-power-density sodium storage

Zhu

et al. 2019

Nano Energy

172

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Section: Accepted Manuscriptmentioning

confidence: 99%

Construction of ultrafine ZnSe nanoparticles on/in amorphous carbon hollow nanospheres with high-power-density sodium storage

Zhu

et al. 2019

Nano Energy

172

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“…[18] In the meantime, its application potential in rechargeable batteries gains much emphasis considering TiSe 2 features large interlayer space and much higher electrical conductivity. [19] The electrochemical behavious of TiSe 2 in Mg-ion battery and Na-ion battery have been investigated, and both cases could exhibit promising reversibility and decent cycling performances. [20,21] To date, there has been no report regarding the electrochemical behavious of TiSe 2 for potassium and lithium storage.…”

Section: Introductionmentioning

confidence: 99%

Electrochemical potassium/lithium-ion intercalation into TiSe2: Kinetics and mechanism

Zheng

et al. 2019

Energy Storage Materials

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As one promising candidate for next-generation energy storage systems, K-ion batteries (KIBs) attract increasing research attention due to the element abundance, low cost, and competent energy density as compared to Li-ion batteries. However, developing practical electrode materials in particular cathodes for KIBs is still in its infancy, and the related reaction mechanisms of the electrode materials are far from completely understood. In this work, TiSe2was, for the first time, investigated as an intercalated-type electrode for potassium storage due to its large interlayer space. The potassiation/depotassiation reaction mechanism was unraveled based on the analysis of in-situ X-ray diffraction (XRD), ex-situ X-ray photoelectron spectroscopy (XPS), and ex-situ transmission electron microscope (TEM) results. Meanwhile, the lithium storage behaviour and the relevant lithiation/delithiation reaction mechanism were also studied in detail. The results reveal that K+show lower diffusion coefficient and hence more sluggish intercalation reaction kinetics as compared with Li+. In addition, the intercalation reaction of K+would cause irreversible structure changes, while the intercalation reaction is fully reversible for Li+counterpart.

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“…Li 等 [45] 制备了 TiO2-CNFs，并进一步与硒粉进行硒化反应，得到了 TiO2-TiSe2-CNFs，得益于三者之间的协同作用，复合材料的性能得到显著提升，在 0.1 A g -1 下循环 600 次后仍有 230 mAh g -1 。Yang 等 [46] 通过简单的两步油相法制备了异质结硫掺杂 TiSe2/Fe3O4 复合材料，独特的异质结构以及组分间的协同效应使其在钠离子电池中表现出出色的性能，在 0. [47] ; (c-d) FeSe2 以及 Na3FeSe3 的总态密度和部分态密度 [51] .…”

Section: 引言unclassified

Research progress of metal selenides anode materials for sodium-ion batteries

Jia¹,

Tong²,

Jia³

2021

Sci. Sin.-Chim

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Sodium-ion battery has become the most likely new generation energy storage system to replace lithium-ion batteries because of their rich resources and environmental friendliness. However, the lack of anode materials with high capacity and long cycle stability has become the key to hindering the development of sodium-ion batteries. Metal selenides have the advantages of high theoretical capacity, high security and easy morphology design, and have gradually become potential alternative materials for the anode electrode of a new generation of sodium-ion batteries. However, the intrinsic conductivity of metal selenides is relatively low, resulting in poor cycle stability, which generally needs to be improved by morphology design, doping, or compounding. This article introduces the research progress in recent years of various metal selenides in sodium-ion batteries, focuses on the current problems and corresponding solutions, and looks forward to the development prospects of metal selenides in sodium-ion batteries.

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S‐Doped TiSe₂ Nanoplates/Fe₃O₄ Nanoparticles Heterostructure

Cited by 32 publications

References 60 publications

Construction of ultrafine ZnSe nanoparticles on/in amorphous carbon hollow nanospheres with high-power-density sodium storage

Construction of ultrafine ZnSe nanoparticles on/in amorphous carbon hollow nanospheres with high-power-density sodium storage

Electrochemical potassium/lithium-ion intercalation into TiSe2: Kinetics and mechanism

Research progress of metal selenides anode materials for sodium-ion batteries

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