Interface engineering in NiSe2/Ni2Co/CoSe2 heterostructures encapsulated in hollow carbon shells for high-rate Li–Se batteries

Cao, Yuqing; Lei, Feifei; Li, Yunliang; Fu, Yifang; Zhao, Jun; Qiu, Shilun; Zhang, Zongtao

doi:10.1039/d2nr03220a

Nanoscale

2022

DOI: 10.1039/d2nr03220a

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Interface engineering in NiSe₂/Ni₂Co/CoSe₂ heterostructures encapsulated in hollow carbon shells for high-rate Li–Se batteries

Yuqing Cao

Feifei Lei

Yunliang Li

et al.

Abstract: The sluggish conversion reaction and accompanied huge volume fluctuation greatly hinder the application of lithium-selenium (Li-Se) batteries. Therefore, reasonably constructing stable carbonaceous host with efficient electrochemical active sites is particularly...

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Cited by 5 publications

References 66 publications

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Biometabolically Derived Selenium Nanoparticles Armed with Protein Protective Suit toward High‐Performance Li‐Se Batteries

Xia,

Lu,

Fan

et al. 2024

Advanced Materials

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Selenium (Se) serves as a burgeoning high‐energy‐density cathode material in lithium‐ion batteries. However, the development of Se cathode is strictly limited by low Se utilization and inferior cycling stability arising from intrinsic volume expansion and notorious shuttle effect. Herein, a microbial metabolism strategy is developed to prepare “functional vesicle‐like” Se globules via Bacillus subtilis subsp. from selenite in sewage, in which Se nanoparticles are armed with a natural biological protein membrane with rich nitrogen and phosphorus, achieving the eco‐efficient conversion of trash into treasure (selenite, SeO32− → Selenium, Se). The appealing‐design “functional vesicle‐like” Se globules are beneficial to accommodate volume changes of Se in electrochemical reactions, confining polyselenides via chemisorption, and enhancing mechanical strength of electrode by associated bacteria debris, realizing comprehensive utilization of microorganism. By conceptualizing “functional vesicle‐like” Se globules, rather than artificial Se‐host composites, as cathode for lithium–selenium batteries, it exhibits outstanding cycling stability and improved rate performance. This strategy opens the door to design smart electrode materials with unattainable structure that cannot be achieved by traditional approaches, achieving eco‐efficient conversion of pollutants into energy‐storage nanomaterials, which will be a promising research field for interdisciplinary of energy, biology, and environment.

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Biometabolically Derived Selenium Nanoparticles Armed with Protein Protective Suit toward High‐Performance Li‐Se Batteries

Xia,

Lu,

Fan

et al. 2024

Advanced Materials

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show abstract

CoSe2 nanoparticles-decorated carbon nanofibers as a hierarchical self-supported sulfur host for high-energy lithium-sulfur batteries

Xie

Lai

et al. 2023

Sci. China Mater.

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NiS2 nanoparticles decorated hierarchical porous carbon for high-performance lithium-selenium batteries

Li,

Yan,

Wang

et al. 2023

Electrochimica Acta

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Interface engineering in NiSe₂/Ni₂Co/CoSe₂ heterostructures encapsulated in hollow carbon shells for high-rate Li–Se batteries

Abstract: The sluggish conversion reaction and accompanied huge volume fluctuation greatly hinder the application of lithium-selenium (Li-Se) batteries. Therefore, reasonably constructing stable carbonaceous host with efficient electrochemical active sites is particularly...

Cited by 5 publications

References 66 publications

Biometabolically Derived Selenium Nanoparticles Armed with Protein Protective Suit toward High‐Performance Li‐Se Batteries

Biometabolically Derived Selenium Nanoparticles Armed with Protein Protective Suit toward High‐Performance Li‐Se Batteries

CoSe2 nanoparticles-decorated carbon nanofibers as a hierarchical self-supported sulfur host for high-energy lithium-sulfur batteries

NiS2 nanoparticles decorated hierarchical porous carbon for high-performance lithium-selenium batteries

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