Durable Lithium/Selenium Batteries Enabled by the Integration of MOF-Derived Porous Carbon and Alucone Coating

Mohammad Hossein Aboonasr Shiraz; Erwin Rehl; Hossein Kazemian; Jian Liu

doi:10.3390/nano11081976

Durable Lithium/Selenium Batteries Enabled by the Integration of MOF-Derived Porous Carbon and Alucone Coating

Nanomaterials (Basel). 2021 Jul 31;11(8):1976. doi: 10.3390/nano11081976.

Authors

Mohammad Hossein Aboonasr Shiraz¹, Erwin Rehl², Hossein Kazemian², Jian Liu¹

Affiliations

¹ School of Engineering, Faculty of Applied Science, The University of British Columbia, Kelowna, BC V1V 1V7, Canada.
² Northern Analytical Lab Services (NALS), University of Northern British Columbia, 3333 University Way, Prince George, BC V2N 4Z9, Canada.

Abstract

Lithium-selenium (Li-Se) batteries are a promising energy storage system in electric vehicles due to their high capacity and good kinetics. However, the shuttle effect issue, caused by polyselenide dissolution from the Se cathode, has hampered the development of Li-Se batteries. Herein, we developed a facile preparation of porous carbon from a metal-organic framework (MOF) to confine Se (Se/CZIF) and protect the Se/CZIF composite with an alucone coating by molecular layer deposition (MLD). The optimal alucone coated Se/CZIF cathode prepared exhibits a one-step reversible charge/discharge process in the carbonate electrolytes. The inhibition of polyselenide dissolution is credited with the improved electrochemical performance, formation of thin and stable solid electrolyte interphase (SEI) layers, and a reduction in charge transfer resistance, thus improving the overall performance of Li-Se batteries.

Keywords: alucone; energy storage; metal-organic framework (MOF); molecular layer deposition; zelithium-selenium batteries; zeolitic imidazolate framework (ZIF).