scheme1

Scheme 1. Representation of the detailed synthesis route for 3D Bi2Se3@N-C microspheres using spray pyrolysis technique (①-③) and their utilization as multifunctional polysulfide barrier (④). 3D: Three-dimensional.
Scheme 1. Representation of the detailed synthesis route for 3D Bi2Se3@N-C microspheres using spray pyrolysis technique (①-③) and their utilization as multifunctional polysulfide barrier (④). 3D: Three-dimensional.
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