What question did this study set out to answer?

Synthesize and evaluate a composite nanofiber adsorbent using ion-imprinting and electrospinning technologies to selectively recover lithium from salt-lake brine.

June 5, 2022Polymer TestingOpen Access

Selective recovery of lithium resources in salt lakes by polyacrylonitrile/ion-imprinted polymer: Synthesis, testing, and computation

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Authors

TDTao Ding QWQian Wu ZNZhen Nie

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Overview

Experimental study demonstrates efficient selective lithium capture from salt-lake brine using ion-imprinted composite nanofibers, highlighting a viable strategy for sustainable battery materials.

Key Points

Synthesize and evaluate a composite nanofiber adsorbent using ion-imprinting and electrospinning technologies to selectively recover lithium from salt-lake brine.
Synthesized silica gel/graphene oxide and polyacrylonitrile composite nanofibers via electrospinning combined with surface imprinting.
Evaluated adsorption behavior through batch and fixed-bed experiments, fitting data to kinetic and isotherm models.
Characterized binding mechanisms and charge transfer using FT-IR, SEM, and density functional theory (DFT) computations.
The composite nanofiber exhibited a maximum Li(I) adsorption capacity of 1.1 mg/g.
Adsorption followed pseudo-second-order kinetics and the Langmuir isotherm model, indicating a monolayer chemisorption process without inter-adsorbate interaction.
DFT and spectroscopic analyses demonstrated coordinate bond formation driven by electron transfer from functional group phosphorus and oxygen atoms to the 3p orbit of Li(I).

Cite This Study

Ding et al. (2022) studied this question.

synapsesocial.com/papers/69da010d84371aa676a3c655 https://doi.org/10.1016/j.polymertesting.2022.107647

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June 5, 2022Polymer TestingOpen Access

Selective recovery of lithium resources in salt lakes by polyacrylonitrile/ion-imprinted polymer: Synthesis, testing, and computation

View Full Paper

Ask AI

Bookmark

Authors

TDTao Ding QWQian Wu ZNZhen Nie

Discussion

Member takes

Overview

Experimental study demonstrates efficient selective lithium capture from salt-lake brine using ion-imprinted composite nanofibers, highlighting a viable strategy for sustainable battery materials.

Key Points

Synthesize and evaluate a composite nanofiber adsorbent using ion-imprinting and electrospinning technologies to selectively recover lithium from salt-lake brine.
Synthesized silica gel/graphene oxide and polyacrylonitrile composite nanofibers via electrospinning combined with surface imprinting.
Evaluated adsorption behavior through batch and fixed-bed experiments, fitting data to kinetic and isotherm models.
Characterized binding mechanisms and charge transfer using FT-IR, SEM, and density functional theory (DFT) computations.
The composite nanofiber exhibited a maximum Li(I) adsorption capacity of 1.1 mg/g.
Adsorption followed pseudo-second-order kinetics and the Langmuir isotherm model, indicating a monolayer chemisorption process without inter-adsorbate interaction.
DFT and spectroscopic analyses demonstrated coordinate bond formation driven by electron transfer from functional group phosphorus and oxygen atoms to the 3p orbit of Li(I).

Cite This Study

Ding et al. (2022) studied this question.

synapsesocial.com/papers/69da010d84371aa676a3c655 https://doi.org/10.1016/j.polymertesting.2022.107647

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