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Page 20 of 30 Yoon et al. Energy Mater 2024;4:400063 https://dx.doi.org/10.20517/energymater.2023.146

Figure 13. (A) Schematic illustration and cyclability of a flower-like Sb O Cl PIB anode [108] . (B) Schematic illustration and cyclability of
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a honeycomb-like porous Sb anode for PIBs [109] . (C) Schematic illustration and cyclability of an Sb/Cu Si nanowire anode for PIBs [110] .
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(D) Schematic illustration and cyclability of an Sb quantum dot/MXene-based aerogel PIB anode [111] . (E) Schematic illustration,
cyclability, and rate capability of a full cell with a 3D macroporous Sb/C composite anode [102] . This figure is reproduced with permission
from Shi et al. [108] , Liu et al. [109] , Imtiaz et al. [110] , Guo et al. [111] , and He et al. [112] .
(Sb/C PNFs) using an electrospin-assisted strategy [Figure 14D] . The vessel-like channels in the 3D
[115]
interconnecting carbon nanofibers promoted electrolyte flow and shortened the the K diffusion way of the
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uniform Sb nanoparticles. The flexible porous carbon nanofibers function as a buffer matrix that mitigates
volume expansion while simultaneously providing pathways for rapid electron transfer. As a result, a
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reversible capacity of 264.0 mAh g was attained after 500 cycles at 2.0 A g . Xiong et al. fabricated a BiSb/C
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composite nanosheet by embedding Bi-Sb alloy nanoparticles inside a porous carbon matrix via freeze-
drying and pyrolysis [Figure 14E] . The BiSb alloy mitigated volume changes owing to the similar
[116]