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Corrosion Electrochemistry: A Themed Issue in Honor of the Many Contributions of Prof. Dr. Changjian Lin

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Electrochemistry".

Deadline for manuscript submissions: 31 December 2025 | Viewed by 5865

Special Issue Editors

Prof. Dr. Jiming Hu

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Guest Editor
Department of Chemistry, Zhejiang University, Hangzhou, China
Interests: corrosion electrochemistry; corrosion and protection; advanced painting system for corrosion protection
Prof. Dr. Guozhe Meng

E-Mail Website
Guest Editor
Marine Corrosion and Protection Group, School of Chemical Engineering and Technology, Sun Yat-sen University, Guangzhou, China
Interests: coatings; corrosion mechanism and protection technology of structure materials in the marine environment
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Special Issue Information

Dear Colleagues,

Prof. Changjian Lin is currently a Distinguished Professor at Xiamen University, Chairman of the Fujian Chemical Society, and Chairman of the Expert Group on Corrosion and Protection of Nuclear Power Plants. He received his Ph.D. degree from Xiamen University in July 1985 and was a post-doctoral fellow in the U.S.A. from December 1987 to October 1990. He was promoted to Associate Professor at Xiamen University in February 1987, and Professor at Xiamen University in December 1991. In 2006, he was appointed as a Distinguished Professor of Xiamen University. He has been a visiting professor in the United States (1994-1995, 1999, 2002), Canada (1996), and Hong Kong (1998).

Prof. Changjian Lin has long been engaged in corrosion electrochemistry and test methods, corrosion and protection, energy/environmental materials, and biomaterials electrochemistry. He has presided over/completed more than 50 national and provincial and ministerial research projects and was named as a Global Highly Cited Scientist (2018); he has been granted more than 60 patents for inventions and has received 20 awards, including the First Prize of the National Scientific and Technological Progress, and the Scientific and Technological Awards from the Ministry of Education, the Fujian Province, and the Army, among others. He has trained about 150 doctoral and master's students. He has been awarded the Special Allowance Expert of the State Council (1992), the National Outstanding Youth Science Foundation Recipient (1995), the Outstanding Contribution Award Recipient of Electrochemistry in China (2013), the Outstanding Achievement Award Recipient of Corrosion Electrochemistry and Test Methods in China (2014), the Significant Contribution Award Recipient of Science and Technology in Xiamen Municipality (2013), the Outstanding Scientific and Technological Worker of Fujian Province (2018), and the Chinese Society of Corrosion and Protection (2018), the first Fellow of the Chinese Society of Corrosion and Protection (2019), “Chinese Doctoral Degree Recipients with Outstanding Contributions (1991)”, and other honorary titles.

This Special Issue is dedicated to Professor Changjian Lin for his contribution to corrosion electrochemistry. Original review articles and research papers related to corrosion electrochemistry, electrochemical methods; corrosion and protection, materials electrochemistry will be collected to honor Prof. Lin

Prof. Dr. Jiming Hu
Prof. Dr. Guozhe Meng
Guest Editors

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Keywords

  • corrosion electrochemistry
  • corrosion and protection
  • anti-corrosion coatings
  • electrochemical test

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Published Papers (6 papers)

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Research

20 pages, 5525 KB  
Article
A Novel Sealant Containing Calcium Sulfoaluminate Nanoparticles on Micro-Arc Oxidation Coating and Its Sealing Mechanism
by Junlin Chen, Yifei Zhou, Runhui Huang, Chao Zhan and Guozhe Meng
Molecules 2025, 30(23), 4587; https://doi.org/10.3390/molecules30234587 - 28 Nov 2025
Viewed by 130
Abstract
Although micro-arc oxidation (MAO) coatings are widely used due to their corrosion and wear resistance, their inherent micro-pore defects seriously affect their service life. The conventional sealing materials to these defects often fail to bond well with the pore wall due to volume [...] Read more.
Although micro-arc oxidation (MAO) coatings are widely used due to their corrosion and wear resistance, their inherent micro-pore defects seriously affect their service life. The conventional sealing materials to these defects often fail to bond well with the pore wall due to volume shrinkage during curing, resulting in a service life that still does not meet expectations. Here, a novel pore-sealant is prepared to overcome the issue by adding nano calcium sulfoaluminate (CAS) expansive fillers. The modified CAS particles were compounded with glycidyl methacrylate (CAS sealant) and were driven to seal the micro-pores of MAO coatings by negative pressure. Results indicate that the surface porosity of the MAO coating decreased almost to zero after sealing treatment with the CAS sealant. Its low-frequency impedance |Z|0.01Hz remained at 108 Ω·cm2 after 672 h of immersion, which is three orders of magnitude higher than that achieved by traditional sealing methods. The mechanism is that the interface defects at fillers/pore walls are filled by the sealant volume expansion due to CAS water absorption, which significantly inhibits the rate of corrosion medium penetration into the coating. Full article
(This article belongs to the Special Issue Corrosion Electrochemistry: A Themed Issue in Honor of the Many Contributions of Prof. Dr. Changjian Lin)
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24 pages, 11218 KB  
Article
Locust Bean Gum: A Natural Polysaccharide as an Eco-Friendly Corrosion Inhibitor for N80 Carbon Steel in CO2-Saturated Saline Solution, Useful for the Oil and Gas Industry
by Gaetano Palumbo, Marcin Górny, Dominika Święch, Adarsh Rai and Mahmoud M. Youssif
Molecules 2025, 30(23), 4534; https://doi.org/10.3390/molecules30234534 - 24 Nov 2025
Viewed by 349
Abstract
This study evaluated locust bean gum (LBG), a polysaccharide thickening agent, as an anti-corrosion active compound against sweet corrosion for N80 carbon steel used in the oil and gas sector. The assessment involved weight loss and electrochemical measurements at different temperatures (e.g., 25 [...] Read more.
This study evaluated locust bean gum (LBG), a polysaccharide thickening agent, as an anti-corrosion active compound against sweet corrosion for N80 carbon steel used in the oil and gas sector. The assessment involved weight loss and electrochemical measurements at different temperatures (e.g., 25 °C and 80 °C) and immersion durations (up to 168 h) in a CO2-saturated 2 wt.% KCl solution. The electrochemical results showed that LBG effectively inhibited sweet corrosion at both temperatures, and its efficacy increased with its concentration, reaching maximum inhibition efficiency of 84.11% at 25 °C and 55.81% at 80 °C, using 0.3 g L−1 of LBG after 24 h of immersion. At 25 °C, and with 0.3 g L−1 of LBG, the inhibition action of LBG did not change, even after 168 h of immersion (e.g., 83.97%). At 80 °C, LBG showed a good inhibition up to 72 h (e.g., 47.04%), after which LBG had no additional protective effect. This result is attributed to the formation of a FeCO3 layer that covered the entire metal surface, blocking the adsorption of LBG. Potentiodynamic tests revealed that LBG’s inhibitory effect is of a mixed type. The Temkin adsorption isotherm model accurately described the data, indicating that LBG adsorption involves primarily physical interactions, with some chemical contributions. Activation energy and heat of adsorption calculations support the physical nature of LBG’s adhesion. FTIR analysis confirmed the interaction between LBG and N80 carbon steel, while SEM-EDS provided visual evidence of LBG’s influence on the metal surface. Full article
(This article belongs to the Special Issue Corrosion Electrochemistry: A Themed Issue in Honor of the Many Contributions of Prof. Dr. Changjian Lin)
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23 pages, 2763 KB  
Article
The Effect of Caffeic Acid on Zn Corrosion in NaCl: Electrochemical Studies
by Aleksander Kucharek, Elżbieta Kuśmierek, Ewa Chrześcijańska, Waldemar Maniukiewicz, Jacek Rogowski, Aleksandra Bednarek and Andrzej Żarczyński
Molecules 2025, 30(17), 3648; https://doi.org/10.3390/molecules30173648 - 8 Sep 2025
Viewed by 1033
Abstract
Caffeic acid (CA) can be applied as a green corrosion inhibitor for metals and alloys. The inhibition properties of caffeic acid for Zn in 0.1 M NaCl were investigated using electrochemical methods. The changes in Zn morphology were studied via scanning electron microscopy [...] Read more.
Caffeic acid (CA) can be applied as a green corrosion inhibitor for metals and alloys. The inhibition properties of caffeic acid for Zn in 0.1 M NaCl were investigated using electrochemical methods. The changes in Zn morphology were studied via scanning electron microscopy coupled with energy dispersive spectroscopy (SEM-EDS), X-ray diffraction (XRD) and time-of-flight secondary ion mass spectrometry (TOF-SIMS) techniques. Potentiodynamic polarisation (PDP) and electrochemical impedance spectroscopy (EIS) measurements proved that caffeic acid applied in the form of coatings on Zn surface was more effective than the addition of CA to NaCl. Furthermore, CA coatings revealed better corrosion protection with increasing duration of immersion. The highest inhibition efficiency was achieved for CA coating obtained from ethanol solution of CA (10 mM), and its value was almost 95%. The positive impact of CA coatings on the corrosion of Zn surface was confirmed with SEM-EDS, XRD and TOF-SIMS measurements. They proved not only the presence of CA on the Zn surface but also noticeably a lower amount of Zn corrosion products. Full article
(This article belongs to the Special Issue Corrosion Electrochemistry: A Themed Issue in Honor of the Many Contributions of Prof. Dr. Changjian Lin)
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21 pages, 9210 KB  
Article
The Influence of NaClO on the Biocorrosion of Carbon Steel Induced by Chlorella vulgaris in Artificial Seawater
by Junnan Zhang, Qi Fu and Guang-Ling Song
Molecules 2025, 30(17), 3636; https://doi.org/10.3390/molecules30173636 - 5 Sep 2025
Viewed by 1101
Abstract
Microbiologically influenced corrosion (MIC) poses a significant threat to carbon steel facilities in marine environments. Due to its environmental friendliness and excellent bactericidal effect, NaClO has been widely applied in the marine industry to inhibit MIC. In fact, algae can also cause severe [...] Read more.
Microbiologically influenced corrosion (MIC) poses a significant threat to carbon steel facilities in marine environments. Due to its environmental friendliness and excellent bactericidal effect, NaClO has been widely applied in the marine industry to inhibit MIC. In fact, algae can also cause severe biocorrosion to carbon steels. However, there are very few studies on the biocorrosion induced by algae, and thus the algicidal effect of bactericide NaClO is still unclear. In this study, the biocorrosion of 45# mild steel induced by Chlorella vulgaris (C. vulgaris) and the effect of NaClO on the biocorrosion were systematically investigated. The results showed that the corrosion rate of the steel in C. vulgaris-containing biotic artificial seawater was significantly higher than that in the abiotic solution. An increase in NaClO concentration resulted in a higher corrosion rate of the steel in general but relatively mild local corrosion penetration. The overall corrosion damage of the steel in the biofilm-covered areas was alleviated, while the corrosion penetration in the biofilm-discontinuous area became deeper after NaClO addition. The addition of 1 ppm NaClO into the biotic artificial seawater could not significantly inhibit the growth of C. vulgaris. When NaClO concentration increased to 10 ppm, the growth of C. vulgaris was markedly suppressed, resulting in a lower corrosion rate than that at 0 ppm and 1 ppm NaClO. At 100 ppm of NaClO, C. vulgaris cells were completely killed, and the overall corrosion rate in the biotic solution was close to that in the abiotic solution. Based on the experimental observations, algae-induced corrosion and its inhibition by NaClO were finally analyzed. Full article
(This article belongs to the Special Issue Corrosion Electrochemistry: A Themed Issue in Honor of the Many Contributions of Prof. Dr. Changjian Lin)
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20 pages, 7527 KB  
Article
Enhanced Corrosion Performance of Epoxy Coatings Painted on ZnAlMg-LDH Conversion Film Vertically Grown on ZAM Steels from Sodium Carbonate Solution
by Lei Yu and Ji-Ming Hu
Molecules 2025, 30(17), 3491; https://doi.org/10.3390/molecules30173491 - 25 Aug 2025
Viewed by 1217
Abstract
Zinc-aluminum-magnesium (ZAM) steel, with its superior corrosion resistance and mechanical properties, is progressively supplanting traditional galvanized steel and zinc-aluminum steel. In this study, a solution containing sodium carbonate-only was employed as the treatment medium to form a vertically grown layered double hydroxide (LDH) [...] Read more.
Zinc-aluminum-magnesium (ZAM) steel, with its superior corrosion resistance and mechanical properties, is progressively supplanting traditional galvanized steel and zinc-aluminum steel. In this study, a solution containing sodium carbonate-only was employed as the treatment medium to form a vertically grown layered double hydroxide (LDH) pretreatment layer on the surface of ZAM steel via a simple immersion process at 50 °C. The temperature and salt solution not only provide the conditions for the dissolution of metal ions but also facilitate the formation of LDH products. The resulting LDH pretreatment layer exhibits excellent adhesion to the metal surface and enhances the adhesion of the top epoxy coatings. Furthermore, the “LDH/corrosion inhibitor/epoxy” coating system ensures ZAM steel remains rust-free in a 3.5 wt.% NaCl solution for a minimum of 120 days. This innovative approach offers a promising avenue for extending the durability and service life of ZAM steel in corrosive environments. Full article
(This article belongs to the Special Issue Corrosion Electrochemistry: A Themed Issue in Honor of the Many Contributions of Prof. Dr. Changjian Lin)
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13 pages, 4691 KB  
Communication
Film-Forming Corrosion Inhibitor of ZnAl Layered Double Hydroxide Intercalated with Mussel Adhesive Protein
by Yanhui Cao, Dajiang Zheng, Fan Zhang, Jinshan Pan, Changjian Lin, Jingjing Wang and Congshu Huang
Molecules 2025, 30(17), 3480; https://doi.org/10.3390/molecules30173480 - 25 Aug 2025
Cited by 1 | Viewed by 930
Abstract
In order to enhance the corrosion resistance of aluminum alloys, mussel adhesive protein (MAP) was intercalated into layered double hydroxide (LDH) grown onto an Al substrate. The results from X-ray diffraction (XRD), attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR) and energy dispersive [...] Read more.
In order to enhance the corrosion resistance of aluminum alloys, mussel adhesive protein (MAP) was intercalated into layered double hydroxide (LDH) grown onto an Al substrate. The results from X-ray diffraction (XRD), attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR) and energy dispersive spectroscopy (EDS) measurements all confirmed that part of the positively charged MAP can be successfully intercalated into the LDH based on the strong second reactivity. MAP is able to form complexes with the metal cations and hydroxides, leading to less positive charges on the hydroxide layers of the LDH. The intercalation results in the removal of the previously intercalated anions from the interlayer space of the LDH, which maintains the charge balance and lamellar structure. The MAP intercalated LDH film can provide effective corrosion protection to the Al substrate. Full article
(This article belongs to the Special Issue Corrosion Electrochemistry: A Themed Issue in Honor of the Many Contributions of Prof. Dr. Changjian Lin)
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