β-MnO2/three-dimensional graphene-carbon nanotube hybrids as cathode for aqueous zinc-ion battery
Source abstract
Abstract
Aqueous zinc-ion batteries (RZIBs) are one of the favorable complementary candidates for lithium-ion batteries. The cathode material determines the whole performance. Herein, β-MnO 2 /3D GPE-CNTs hybrid cathode materials were fabricated by intermittent high-energy vibratory ball milling method. It delivered a higher specific discharge capacity of 313.31 mAh·g −1 and excellent cycling stability compared to the bare β-MnO 2 sample. Morphological characterizations revealed that the enhanced electrochemical performance of the β-MnO 2 /3D GPE-CNTs hybrid was mainly attributed to the three-dimensional framework structure, large specific surface area, and good conductivity of GPE-CNT, as well as its resulting particle refinement with uniform dispersion and partial suppression of grain amorphization. This article provided a new sight of fabricating Mn-based materials/conducting carbon material hybrid for good performance cathode in RZIBs.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced battery technologies research · Advancements in Battery Materials · Supercapacitor Materials and Fabrication
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