Enhancing aluminum foil performance in aqueous and organic electrolytes: dual-secure passivation with phthalocyanine as a corrosion inhibitor

Author:

Tekaligne Teshager Mekonnen1,Bezabh Hailemariam Kassa1ORCID,Merso Semaw Kebede1,Shitaw Kassie Nigus1,Weret Misganaw Adigo1,Nikodimos Yosef1ORCID,Jiang Shi-Kai1ORCID,Yang Sheng-Chiang1ORCID,Wang Chia-Hsin2,Wu She-Huang34,Su Wei-Nien34ORCID,Hwang Bing Joe142ORCID

Affiliation:

1. Department of Chemical Engineering, Nano-electrochemistry Laboratory, National Taiwan University of Science and Technology, Taipei City 106, Taiwan

2. National Synchrotron Radiation Research Center (NSRRC), Hsinchu 30076, Taiwan

3. Nano-electrochemistry Laboratory, Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei City 106, Taiwan

4. Sustainable Electrochemical Energy Development Center, National Taiwan University of Science and Technology, Taipei City 106, Taiwan

Abstract

The Pc (phthalocyanine) additive prevents Al corrosion by dual-secure mechanisms: electrochemical formation of an AlPc-F layer and physical adsorption of Pc on Al surfaces. Pc contains an N-lone pair, adsorbing on the Al current collector preferentially.

Funder

National Science and Technology Council

Academia Sinica

Ministry of Education

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

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