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The hyperbranched hydroxyl-rich water-soluble beta-cyclodextrin polymer (beta-CDp) is synthesized by the action between beta-cyclodextrin and 1, 4-butanediol diglycidyl ether with a facile and environmentally friendly method, which is systematically confirmed using Fourier transform infrared spectroscopy (FTIR), ray diffraction (XRD) and thermogravimetric (TG). A water-soluble PAAS-beta-CDp-PAA binder is prepared the esterification reaction between partially neutralized sodium polyacrylate (PAAS), beta-CDp, and polyacrylic acid (PAA). Moreover, the optimized PAAS6-beta-CDp1-PAA3 binder, with a three-dimensional (3D) cross-linked network structure constructed by covalent bonds, hydrogen bonds, and electrostatic interactions, displays stronger adhesion between the active material and the current collector, effectively promotes the diffusion of Li+, and maintains the structural integrity of the electrode during charge-discharge cycling. Thus PAAS6-beta-CDp1-PAA3 electrode exhibits a higher initial discharge specific capacity of 3869 mAh g-1 with columbic efficiency of 89.79% at 200 mA g-1, and a discharge specific capacity of 2513 mAh g-1 with capacity retention rate of 71.10% is achieved after 100 cycles.(c) 2022 Published by Elsevier
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JOURNAL OF ALLOYS AND COMPOUNDS
ISSN: 0925-8388
Year: 2023
Volume: 932
5 . 8
JCR@2023
5 . 8 0 0
JCR@2023
ESI Discipline: MATERIALS SCIENCE;
ESI HC Threshold:49
JCR Journal Grade:1
CAS Journal Grade:2
Cited Count:
WoS CC Cited Count: 12
SCOPUS Cited Count: 12
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 3
Affiliated Colleges: