Heterostructures of MXene and Graphene as Cathode Hosts Improving Anchoring and Reaction Dynamics for Li–S Batteries
MengMeng Ge,
Chunlei Wei,
Xiao Tang
et al.
Abstract:Lithium–sulfur batteries have attracted great
enthusiasm
because of the high specific capacity and energy density, while the
application is still limited by the “shuttle effect”
of polysulfides and slow reaction dynamics. Here, different MXene-graphene
heterostructures were used as sulfur cathode hosts, and the electrochemical
performances were studied via first-principles simulation. Compared
with a single MXene or graphene component, the MXene side of the heterostructure
could more effectively anchor lithium… Show more
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