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Updated: Apr 9, 2026
Focused Ion Beam Fabrication of LiPON-based Solid-state Lithium-ion Nanobatteries for In Situ Testing
Published on: March 7, 2018
In situ synthesis of self-standing SbBi-porous carbon fibers enabling ultra-stable sodium-ion storage
Zheng Li1, Hanghang Liu1, Jiale Cao1
1Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, Guilin University of Technology, Guilin 541004, China. btliu2018@glut.edu.cn.
Abstract:
In this work, we developed an in situ synthesis strategy to grow nanoscale SbBi alloy structures within a porous carbon fiber matrix (SbBi-PCF), yielding a self-standing SbBi-PCF composite anode with exceptional structural stability. Benefiting from the inherently high Na-storage capability of the SbBi alloy, the SbBi-PCF electrode delivers a high specific capacity of ∼259.8 mAh g-1 at 0.1 A g-1. Remarkably, the self-standing SbBi-PCF anode achieves a record-breaking cycling stability with a capacity retention of ∼81.4% after 40 000 cycles, surpassing all previously reported alloy-based anode materials for SIBs.
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