Regulating the Anode Corrosion by a Tryptophan Derivative for Alkaline Al-Air Batteries

Screening a green corrosion inhibitor that can prevent Al anode corrosion and enhance the battery performance is highly significant for developing next-generation Al-air batteries. This work explores the non-toxic, environmentally safe, and nitrogen-rich amino acid derivative, N(α)-Boc-l-tryptophan...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 39(2023), 17 vom: 02. Mai, Seite 6018-6028
1. Verfasser: Huang, Yue (VerfasserIn)
Weitere Verfasser: Guo, Lei, Zhang, Qiao, Shi, Wei, Feng, Wei, Abbas, Faheem, Zheng, Xingwen, Leng, Senlin, Qiang, Yujie, Saji, Viswanathan S
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a Screening a green corrosion inhibitor that can prevent Al anode corrosion and enhance the battery performance is highly significant for developing next-generation Al-air batteries. This work explores the non-toxic, environmentally safe, and nitrogen-rich amino acid derivative, N(α)-Boc-l-tryptophan (BCTO), as a green corrosion inhibitor for Al anodes. Our results confirm that BCTO has an excellent corrosion inhibition effect for the Al-5052 alloy in 4 M NaOH solution. An optimum inhibitor addition (2 mM) has increased the Al-air battery performance; the corrosion inhibition efficiency was 68.2%, and the anode utilization efficiency reached 92.0%. The capacity and energy density values increased from 990.10 mA h g-1 and 1317.23 W h kg-1 of the uninhibited system to 2739.70 mA h g-1 and 3723.53 W h kg-1 for the 2 mM BCTO added system. The adsorption behavior of BCTO on the Al-5052 surface was further explored by theoretical calculations. This work paves the way for constructing durable Al-air batteries through an electrolyte regulation strategy 
650 4 |a Journal Article 
700 1 |a Guo, Lei  |e verfasserin  |4 aut 
700 1 |a Zhang, Qiao  |e verfasserin  |4 aut 
700 1 |a Shi, Wei  |e verfasserin  |4 aut 
700 1 |a Feng, Wei  |e verfasserin  |4 aut 
700 1 |a Abbas, Faheem  |e verfasserin  |4 aut 
700 1 |a Zheng, Xingwen  |e verfasserin  |4 aut 
700 1 |a Leng, Senlin  |e verfasserin  |4 aut 
700 1 |a Qiang, Yujie  |e verfasserin  |4 aut 
700 1 |a Saji, Viswanathan S  |e verfasserin  |4 aut 
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