Potential-aided recovery of iodide using 2-D nanosheet Cu<sub><i>x</i></sub>O coating polymer/graphene/carbon fibers composite

Yexiao Yu; Guanping Jin; Yuhong Fang; Zheng Xu; Xiaoyuan Lü; Chunnian Chen

doi:10.1016/j.cjche.2019.11.010

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Potential-aided recovery of iodide using 2-D nanosheet Cu_xO coating polymer/graphene/carbon fibers composite

Separation Science and Engineering | Updated：2026-01-06

- Potential-aided recovery of iodide using 2-D nanosheet Cu_xO coating polymer/graphene/carbon fibers composite
- Chinese Journal of Chemical Engineering Vol. 28, Issue 4, Pages: 1046-1054(2020)
- Affiliations：
  
  Anhui Key Lab of Controllable Chemical Reaction & Material Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology,Hefei,China,230009
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2019.11.010
  CLC：
- Published：2020
- Accepted：
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O coating polymer/graphene/carbon fibers composite[J]. 中国化学工程学报, 2020, 28(4): 1046-1054.
DOI：

O coating polymer/graphene/carbon fibers composite[J]. 中国化学工程学报, 2020, 28(4): 1046-1054. DOI： 10.1016/j.cjche.2019.11.010.

摘要

Abstract

2-D nanosheet Cu

O doped CuO coating poly m-phenylenediamine and melamine/graphene/carbon fibers composite (Cu

O/MPM/GFs) was firstly fabricated by compound electrochemical method. Cu

O/MPM/GFs was successfully used to the recovery of iodide (I-) from salt water by lower potential-aided sorption and desorption processes. The potential-aided recovery of I

at Cu

O/MPM/GFs was characterized by FE-SEM

XRD

Raman

XPS

UV-vis and electrochemical techniques in detail. The maximal adsorption capacity of 86.82 mg·g

-1

could be obtained with a pseudo-second-order model at 0.8 V for 210 min in pH 5.0

0.1 mol·L

-1

NaCl

and the process accompanied the generation of CuI

CuO and I

. The I

could be quickly desorbed from the electrode with a transfer of CuI to Cu

O by cycle voltammetry from -1.0 to 0.5 V for 90 cycles in pH 9.0

0.1 mol·L

-1

KNO

. Thus

O/MPM/GFs was renewable in the continuous electrochemical-adsorption-desorption processes.

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⁰

Potential-aided recovery of iodide using 2-D nanosheet CuxO coating polymer/graphene/carbon fibers composite

DOI：10.1016/j.cjche.2019.11.010

摘要

Abstract

关键词

Keywords

references

Potential-aided recovery of iodide using 2-D nanosheet Cu_xO coating polymer/graphene/carbon fibers composite