Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 9, Issue 15, Pages 9506-9534Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ta00831e
Keywords
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Funding
- German Research Foundation [DFG: LE 2249/5-1]
- Sino-German Center for Research Promotion [GZ1579]
- China Scholarship Council [201609505011]
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Sodium-ion batteries and potassium-ion batteries are considered as attractive alternatives to lithium-ion batteries due to their cost competitiveness in the next-generation rechargeable batteries. Ferromagnetic metal sulfides and selenides have captured attention for their high theoretical capacities and relatively low price. Despite breakthrough results, intrinsic issues related to the materials themselves still need further exploration, especially in the emerging field of PIB research.
In next-generation rechargeable batteries, sodium-ion batteries (SIBs) and potassium-ion batteries (PIBs) have been considered as attractive alternatives to lithium-ion batteries due to their cost competitiveness. Anodes with complicated electrochemical mechanisms determine the performance and safety of battery systems to a large degree. Among a wide range of anode materials for SIBs and PIBs, ferromagnetic metal (Fe, Co, and Ni) sulfides and selenides have captured prominent attention by virtue of their high theoretical capacities, suitable potentials, and relatively low price. Although some breakthrough results have been achieved, a few intrinsic issues stemming from the materials themselves need to be further explored and studied, especially in the field of PIBs, an emerging research interest. Herein, in this review, we highlight the pioneering investigation of typical ferromagnetic metal sulfides and selenides for application as anodes in SIBs and PIBs and overview their recent research progress. Meanwhile, the preparation methods, structural characteristics, charge storage mechanisms, and electrochemical properties are outlined. Finally, the present challenges and research perspectives are discussed.
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