Materials, Volume (12), No (90), Year (2018-12) , Pages (1-20)

Title : ( Recycled Cobalt from Spent Li-ion Batteries as a Superhydrophobic Coating for Corrosion Protection of Plain Carbon Steel )

Authors: , , , Jalil Vahdati Khaki , Abolfazl Babakhani , Saman Hosseinpour , Ali Davoodi ,

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Abstract

A new recycling and film formation scheme is developed for spent Li-ion batteries, which involves the combination of ascorbic-assisted sulfuric leaching and electrodeposition to fabricate a corrosion resistance superhydrophobic coating. The idea behind the simultaneous use of sulfuric and ascorbic is to benefit from the double effect of ascorbic acid, as a leaching reducing agent and as morphological modifier during electrodeposition. Quantum chemical calculations based on the density functional theory are performed to explain the cobalt-ascorbate complexation during the electrocristalization. The optimum parameters for the leaching step are directly utilized in the preparation of an electrolyte for the electrodeposition process, to fabricate a superhydrophobic film with a contact angle of >150° on plain carbon steel. The potentiodynamic polarization measurments in 3.5 wt % NaCl showed that boric-pulsed electrodeposited cobalt film has 20-times lower corrosion current density and higher corrosion potential than those on the non-coated substrate.

Keywords

, Li, ion battery; recycling; superhydrophobic coating; electrodeposition
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@article{paperid:1071910,
author = {, and , and , and Vahdati Khaki, Jalil and Babakhani, Abolfazl and Saman Hosseinpour and Davoodi, Ali},
title = {Recycled Cobalt from Spent Li-ion Batteries as a Superhydrophobic Coating for Corrosion Protection of Plain Carbon Steel},
journal = {Materials},
year = {2018},
volume = {12},
number = {90},
month = {December},
issn = {1996-1944},
pages = {1--20},
numpages = {19},
keywords = {Li-ion battery; recycling; superhydrophobic coating; electrodeposition},
}

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%0 Journal Article
%T Recycled Cobalt from Spent Li-ion Batteries as a Superhydrophobic Coating for Corrosion Protection of Plain Carbon Steel
%A ,
%A ,
%A ,
%A Vahdati Khaki, Jalil
%A Babakhani, Abolfazl
%A Saman Hosseinpour
%A Davoodi, Ali
%J Materials
%@ 1996-1944
%D 2018

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