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Research Journal of Pharmacy and Technology
Year : 2018, Volume : 11, Issue : 10
First page : ( 4575) Last page : ( 4580)
Print ISSN : 0974-3618. Online ISSN : 0974-360X.
Article DOI : 10.5958/0974-360X.2018.00837.5

The Influence of Pre-Treatment Methods of Electrode Material Onaluminum current Collector for EDLC

Lee Mun-Soo1,*, Kim Donna2, Han So-Yeon3, YooYou Yen4, Yoon Ju-Il5,*

1Dept. of Smart Convergence Consulting, Hansung University, Seoul, Korea

2Samwha USA Inc, USA, donnakim@samwha.com

3R& D Center, Korea JCC Co., LTD., Korea, syhan@samwha.com

4Dept. of Knowledge Service and Consulting, Hansung University, Seoul, Korea, threey0818@hansung.ac.kr

5Dept. of Mechanical Systems Engineering, Hansung University, Seoul, Korea, juilyoon@hansung.ac.kr

*Corresponding Author E-mail: mslee@samwha.com

Online published on 20 December, 2018.

Abstract

Background

Serious corrosion in the aluminum current collector occurs when it reacts with electrolyte above the limit voltage. The higher the energy density of an electric double layer capacitor (EDLC), the more it is necessary to understand the aluminum corrosion of the EDLC. Furthermore, in order to study the corrosion of aluminum current collector in EDLC, it is necessary to remove the coated active material from the aluminum.

Methods

Physical polishing, Ultrasonic treatment and Heat Treatment are used for removing the active material of the electrode.

Findings

The influence of the electrolyte on the aluminum current collector depends on the presence or absence of the active material. The ideal method to remove the active material from an electrode of an EDLC would be by performing ultrasonic treatment for less than 45 seconds after heat treatment at 300° C for 10 minutes on the electrode which has been sufficiently cleaned with ethanol avoiding water.

Improvements/Applications

In this work, we studied the effect of various treatment methods used for removing electrode active material on Al current collector and proposed the most suitable pre-treatment method to correctly analyze the deterioration of the current collector in the EDLC.

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Keywords

EDLC, Current collector, pre-treatment, corrosion, deterioration, heat treatment, aluminum, ultrasonic.

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