Article
Electrochemistry
Yong Lu, Huixia Feng, Hou Xia, Wu Hai Xia
Summary: Water-soluble carboxymethyl cellulose-polyaniline composites were synthesized by chemical oxidation polymerization without other acids. The inhibition performance of the composites on Q235 steel corrosion in 1 M HCl solution was evaluated. The results showed that the composites exhibited good inhibition properties, achieving a remarkable inhibition efficiency of 94.24% at a maximum concentration of 1000 ppm. The composites suppressed cathodic hydrogen evolution reactions and anodic metal dissolution, with adsorption on the steel surface following a Langmuir adsorption isotherm.
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
(2022)
Article
Engineering, Environmental
Meng Cai, Han Yan, Yuting Li, Wen Li, Hao Li, Xiaoqiang Fan, Minhao Zhu
Summary: Introducing MXene nanoflakes into organic coatings is critical for enhancing mechanical properties and corrosion protection. By synthesizing 3D Ti3C2Tx/polyaniline composites with tunable conductivity, excellent corrosion protection can be achieved. The potential applications of TPCs in water splitting, desalination, and electronic devices show promising prospects for future development.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Applied
Xiaolong Zhang, Bo Li, Tingting Chen, Xiang Ke, Rengui Xiao
Summary: This study presents a method for improving the barrier and corrosion inhibition properties of epoxy coatings using nanofillers. Polyaniline (PANI) nanofibers are grown on reduced graphene oxide (RGO), and cerium phosphate (CePO4) nanograins are modified onto the PANI/RGO composites. The resulting PANI/RGO/CePO4 nanocomposite exhibits hydrophobicity and corrosion resistance. The nanomaterial-loaded epoxy coating significantly enhances the corrosion resistance of the composite.
PROGRESS IN ORGANIC COATINGS
(2023)
Article
Chemistry, Physical
Wenwen Li, Hongyan Wang, Zhe Sun, Quanping Wu, Song Xue
Summary: By depositing amorphous SiOx overlayers on the surface of cuprous oxide (Cu2O), the photocurrent density and stability of Cu2O as a photocathode have been significantly improved, addressing issues of poor performance and photo-corrosion. The gradient-doped Si into Cu2O promotes charge separation and transfer efficiently, while the amorphous SiOx layers act as protective layers to maintain high photocurrent density over stability tests. Additionally, decoration with Pt catalyst further enhances the photocurrent density and stability through a synergistic effect with the SiOx layer.
JOURNAL OF POWER SOURCES
(2021)
Article
Chemistry, Physical
Jie Zhang, Bowen Li, Yanhui Li, Jinling Lu, Kai Wang, Huamin Zhang
Summary: The study found that 316SS has better corrosion resistance than C276 in both subcritical and supercritical water conditions. In subcritical water at 350°C, the corrosion film of 316SS peeled off while numerous pores or cracks appeared on the surface of C276. In supercritical water at 520°C, a compact scale formed on 316SS sample surface while a duplex-layer scale formed on C276, with Ni-sulfide channels accelerating the sulfidation corrosion of the alloy. High-temperature alloys with high Cr content and low Ni/Cr ratio are considered suitable for equipment in supercritical water gasification of sulfur-containing coal.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Ning Wang, Chao Zhao, Gang Long, Binyun Xia, Liang Wan, Kunpeng Niu, Jianguo Hou, Jiale Wang, Lei Lei, Zhichao Wang
Summary: A coaxial optical fiber interferometer (COFI) with a polyacrylic acid (PAA)/polyaniline (PAni) film coating is proposed for ammonia sensing. The COFI is composed of two light-carrying single-mode fibers fused to a section of no-core fiber, forming an optical interferometer. The composite film formed by 5 wt% PAA mixed with 2 wt% PAni shows better performance, with a maximum sensitivity of 9.8 pm/ppm under the ammonia concentration of 50 ppm. The sensor exhibits good response time, recovery time, stability, and selectivity, making it suitable for monitoring ammonia leakage in various applications.
Review
Chemistry, Applied
Fangjian Gao, Jie Mu, Zhenxiao Bi, Shun Wang, Zili Li
Summary: Polyaniline (PANI) has drawbacks in anti-corrosion coatings, but has shown outstanding performance in smart coatings, antibacterial coatings, etc. The article summarizes the challenges faced in polyaniline research and proposes improvement methods, providing suggestions for future research.
PROGRESS IN ORGANIC COATINGS
(2021)
Article
Agricultural Engineering
Q. H. Zhang, N. Xua
Summary: During oil and gas exploitation, the corrosion of carbon steel pipes leads to significant economic loss, casualties, environmental pollution, and resource waste. Developing highly efficient and stable corrosion inhibitors is crucial for protecting carbon steel in this industry. L-cysteine is commonly found in plants but has low inhibitive efficiency, so chemical modification is used to enhance its effectiveness. In this study, two synthetic amino acid derivatives, namely PTCA and TTCA, were investigated as corrosion inhibitors for carbon steel in a CO2-containing environment. Electrochemical experiments, surface techniques, and theoretical calculations were conducted to evaluate the anti-corrosion property and inhibitive mechanism of these derivatives. The results showed that PTCA and TTCA exhibited high corrosion inhibition efficiencies at a concentration of 0.8 mM: PTCA (99.1%) and TTCA (99.3%). Theoretical calculations revealed that PTCA and TTCA adsorb onto the steel surface by forming Fe-O bonds. TTCA exhibited stronger adsorption and a more negative adsorption energy, leading to its superior inhibitive performance compared to PTCA.
INDUSTRIAL CROPS AND PRODUCTS
(2023)
Article
Chemistry, Multidisciplinary
Ai Qin Thang, Yuejun Shen, Zugui Shi, Ge Yao, Sun Yew Wong, Zhaolin Liu, Qingyu Yan
Summary: A ceramic-coated separator (CCS) was fabricated by coating sub-micron-sized alpha (α)-alumina on a conventional microporous polyolefin separator using partially neutralized polyacrylic acid (Pn PAA) as a dispersant and binder. The Pn PAA adsorbs on alumina surfaces through columbic interaction, providing repulsive force for dispersion and strong binding on plasma-treated separator through hydrogen bonding. The CCS showed favorable wettability and ionic conduction in carbonate-based electrolyte due to the high hydrophilicity of Pn PAA and alumina. The Pn PAA-made CCS exhibited a substantial adhesion strength of about 106 N/m and a specific capacity of 145.0 mAh/g after 200 cycles at 1 C at room temperature in half cells (LFP/Li metal).
CHEMISTRY-AN ASIAN JOURNAL
(2023)
Article
Materials Science, Multidisciplinary
Dan-Yang Wang, Zhi-Guo Li, Ying Liu, Hui-Jing Li, Yan-Chao Wu
Summary: Reverse osmosis (RO) technology is crucial for seawater desalination production, but salt scaling is a common issue during operation. In this study, a eco-friendly inhibitor called glucuronide-substituted catechin (CG) was synthesized and developed. Its corrosion inhibition performances for different desalination equipment alloys were evaluated through experiments and theoretical calculations. The results demonstrated that CG showed high corrosion inhibition rates for carbon steel, brass, Ni-resist, and 316 L stainless steel.
Article
Chemistry, Physical
Xingtian Chen, Ruoyu Hong, Huaiyin Chen
Summary: The study successfully fabricated PTCA-PANI composites with excellent thermal stability and microwave absorption performance, as well as remarkable anti-corrosion efficiency, demonstrating the potential for dual-function materials with both electromagnetic shielding and corrosion protection properties.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2022)
Article
Engineering, Biomedical
Haiyan Yin, Huifang Du, Wenya Li, Yinhua Qin, Yonghong Fan, Ju Tan, Mingcan Yang, Chuhong Zhu, Youqian Xu
Summary: In this study, a light-powered dressing based on long-lived photoacid generator (PAG)-doped polyaniline composites is developed to facilitate wound healing. The dressing generates a photocurrent under visible light irradiation, which interacts with the endogenous electric field to promote skin growth. The PAG-induced acidic environment protects the wound from microbial infection. This simple and effective therapeutic strategy has great potential for wound treatment.
ADVANCED HEALTHCARE MATERIALS
(2023)
Article
Agricultural Engineering
Dan-Yang Wang, Jun-Hu Wang, Hui-Jing Li, Yan-Chao Wu
Summary: In this study, an environmentally friendly, inexpensive, and biodegradable pectin corrosion inhibitor was prepared using waste peel and residue. The corrosion inhibition mechanism of the pectin inhibitors on carbon steel in CO2-saturated groundwater was investigated, and their adsorption stability and chemisorption on the Fe surface were analyzed.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Materials Science, Ceramics
Xiaohu Ren, Xilou Pu, Hongfeng Yin, Yun Tang, Hudie Yuan, Huiqing Fan
Summary: By coating conductive polymer PANI on the surface of hexaferrite, the electromagnetic loss can be greatly enhanced, leading to improved microwave absorption capacity. The PANI@hexaferrite composite exhibited excellent absorption performance at various thicknesses, showing potential for extensive applications as microwave absorbers.
CERAMICS INTERNATIONAL
(2021)
Article
Polymer Science
Arafat Toghan, Ahmed Fawzy, Areej Al Bahir, Nada Alqarni, Moustafa M. S. Sanad, Mohamed Khairy, Abbas Alakhras, Ahmed A. Farag
Summary: This paper explores the efficacy of two polyelectrolyte polymers, PAA and PAM, as corrosion inhibitors for copper in nitric acid medium. The study uses chemical, electrochemical, and microscopic tools to investigate the corrosion inhibition process. The results show that both PAA and PAM have high inhibition efficiencies and can effectively prevent copper corrosion.
Review
Chemistry, Multidisciplinary
Duan Bin, Yanyan Du, Beibei Yang, Hongbin Lu, Yao Liu, Yongyao Xia
Summary: This review presents the recent advances in the Zn2+ storage mechanisms and electrolyte optimization of phosphate-based cathodes for aqueous rechargeable zinc batteries (ARZBs), with a focus on vanadium/iron-based phosphates and their derivatives. The design strategies for both electrode materials and compatible electrolytes are also elaborated to improve the energy density and extend the cycling life of aqueous Zn/polyanion batteries.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Engineering, Environmental
Yanyan Du, Yufeng Xu, Yulin Zhang, Beibei Yang, Hongbin Lu, Cunwang Ge, Duan Bin
Summary: This study develops a dissolution-regrowth and conversion strategy using a metal-organic framework template to in situ form porous one-dimensional channels and unique nanostructures of CoVOx oxide. The unique structure allows for high diffusion and low interfacial resistance, resulting in a high reversible capacity of 288 mAh/g and long cycle life of the CoVOx-2 nanoplate cathode. These findings provide a new insight into high-performance MOF-derived unique structure designs for rechargeable battery electrodes.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Materials Science, Multidisciplinary
Gengjie Wang, Yaoyin Zhang, Lu Zhu, Yujie Ma, Shumin Zhang, Zhifu Huang, Zhenhua Cao, Xiangkang Meng
Summary: In this study, coating of various metals on carbon nanotubes was performed using magnetron sputtering and molecular dynamics simulation. Transmission electron microscopy and simulation studies revealed three modes of metal nucleation on the carbon nanotube surface: particle growth, island growth, and film growth. The nucleation mode was mainly influenced by three factors: the initial energy of the metal before reaching the carbon nanotube surface, the energy required for carbon nanotube to bond with metal, and the diffusion energy of metal atoms on the carbon nanotube surface. Based on the analysis of jump trajectory, potential energy, and temperature change of metal atoms in molecular dynamics simulation, a method for improving deposition ratios by alloying and increasing deposition rate was proposed and verified through simulation and experiments. These results provide a new approach to regulate the interface structure and nucleation model of carbon nanotubes and metals.
JOURNAL OF MATERIALS SCIENCE
(2023)
Article
Chemistry, Physical
Qingxi Zhai, Kuo-Juei Hu, Yuxuan Shi, Hurong Ji, Hao Wu, Yilun Ren, Biao Wang, Shaochun Tang, Yujie Ma, Mingjin Cui, Xiangkang Meng
Summary: In this study, a novel amorphous-crystalline heterostructure material, MS/Ni0.67Fe0.33-MOF, was successfully synthesized by embedding crystalline metal sulfide (MS) into amorphous Ni0.67Fe0.33-MOF. The material exhibited excellent catalytic performance, durability, and stability with low overpotential and small Tafel slope in the electrochemical oxygen evolution reaction. This work provides important insights into the design of highly efficient catalysts for optimizing water-splitting systems.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2023)
Article
Chemistry, Physical
Hao Wu, Zexu Li, Zhichao Wang, Yujie Ma, Sirui Huang, Fan Ding, Fengqi Li, Qingxi Zhai, Yilun Ren, Xiaowen Zheng, Yurong Yang, Shaochun Tang, Yu Deng, Xiangkang Meng
Summary: Introduces a two-step method for preparing medium-entropy metal sulfide nanoparticles. Compared to metal-organic frameworks (MOFs) precursors, medium-entropy metal sulfides exhibit better electrocatalytic performance in oxygen evolution and reduction reactions. Sulfidation leads to the metallic ions possessing higher valence states, as confirmed by electron energy loss spectroscopy (EELS) and X-ray photoelectron spectroscopy (XPS) characterization. Rechargeable zinc-air batteries assembled with the Fe1.2(CoNi)1.8S6 medium-entropy metal sulfide nanoparticles catalyst show superior performances compared to the commercial catalyst (Pt/C+RuO2). The reported fabrication strategy may contribute to fundamental research and industrial applications of medium-entropy materials in rechargeable zinc-air batteries.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Multidisciplinary
Haifeng Bian, Guoli Zhang, Qingxi Zhai, Yanyan Du, Yujie Ma, Beibei Yang, Shaochun Tang, Duan Bin, Xiangkang Meng, Hongbin Lu
Summary: Stainless steel is a potential material for bipolar plates, but faces corrosion issues in acidic environments. Ti3C2Tx is a possible coating for stainless steel bipolar plates, but can lead to galvanic corrosion. A PPY/Ti3C2Tx-AE double-layer coating is designed and prepared on 304SS bipolar plates, showing superior corrosion resistance and long-term stability compared to other coatings. The excellent performance is attributed to barrier and anodic protection effects, as well as a solution to galvanic corrosion. This new coating system provides insights for the design of double-layer coatings for stainless steel bipolar plates.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2023)
Article
Chemistry, Physical
Biao Wang, Yilun Ren, Shaowei Chen, Qingxi Zhai, Yuxuan Shi, Yujie Ma, Shaochun Tang, Xiangkang Meng
Summary: A new efficient and robust electrocatalyst with a cactus-like hierarchical structure was developed, incorporating zero-dimensional, one-dimensional, and two-dimensional components. This catalyst exhibited remarkable cycle life and catalytic activity in lithium-sulfur batteries. This research provides a new strategy for the development of long-life Li-S batteries.
Article
Chemistry, Multidisciplinary
Yilun Ren, Yujie Ma, Biao Wang, Shaozhong Chang, Qingxi Zhai, Hao Wu, Yuming Dai, Yurong Yang, Shaochun Tang, Xiangkang Meng
Summary: Rich p-n junction CoS2/ZnS heterostructures embedded on N-doped carbon nanosheets are fabricated as a continuous and efficient bidirectional catalyst, which can accelerate the conversion of LiPSs and promote the diffusion and decomposition of Li2S, while also possessing strong chemisorption ability to anchor LiPSs and superior affinity for homogeneous Li deposition. The assembled cell with a CoS2/ZnS@PP separator exhibits excellent cycling stability and areal capacity, showing the potential of the catalyst in promoting Li-S chemistry.
Article
Materials Science, Coatings & Films
Haifeng Bian, Yanyan Du, Yilun Ren, Hao Wu, Yujie Ma, Beibei Yang, Shaochun Tang, Duan Bin, Hongbin Lu, Xiangkang Meng
Summary: A PPY/Ti3C2Tx MXene composite coating was synthesized on 304SS BPs by one-step electrodeposition, which showed improved corrosion resistance and stability in simulated PEMFC environment compared to pure PPY coating. The introduction of MXene enhanced the barrier effect, anodic protection effect, adhesion, as well as the conductivity of the coating.
SURFACE & COATINGS TECHNOLOGY
(2023)
Article
Chemistry, Physical
Hao Wu, Zhichao Wang, Zexu Li, Yujie Ma, Fan Ding, Fengqi Li, Haifeng Bian, Qingxi Zhai, Yilun Ren, Yuxuan Shi, Yurong Yang, Yu Deng, Shaochun Tang, Xiangkang Meng
Summary: In this study, low-cost and high-efficiency electrocatalysts Fe-1.2(CoNi)(1.8)Se-x medium-entropy metal selenides (MESes) nanoparticles are successfully prepared via the selenylation of metal-organic frameworks (MOFs) precursors. The optimized Fe-1.2(CoNi)(1.8)Se-6 MESe exhibits outstanding electrocatalytic performance in alkaline media, with low overpotentials of 66 and 216 mV at 10 mA cm(-2) for the hydrogen evolution reaction and oxygen evolution reaction, respectively. A full electrolysis apparatus with Fe-1.2(CoNi)(1.8)Se-6 MESe as both cathode and anode achieves a current density of 10 mA cm(-2) at a potential of 1.55 V. Overall, this strategy of medium-entropy materials provides a low-cost approach to fabricate energy storage and conversion devices.
ADVANCED ENERGY MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Biao Wang, Yilun Ren, Yuelei Zhu, Shaowei Chen, Shaozhong Chang, Xiaoya Zhoua, Peng Wanga, Hao Sun, Xiangkang Menga, Shaochun Tanga
Summary: An advanced N-doped carbon microreactor embedded with Co3O4/ZnO heterojunctions is designed as a dual-functional host for optimizing both S cathode and Li metal anode, resulting in excellent cycling stability and high rate capability of Li-S batteries.
Article
Materials Science, Multidisciplinary
Gengjie Wang, Yaoyin Zhang, Shumin Zhang, Pengcheng Liu, Lu Zhu, Zhifu Huang, Zhenhua Cao, Xiangkang Meng
Summary: Adding MgO as a dispersant during chemical vapor deposition prevented the bond formation of Cu powders, thus improving the coverage of graphene on Cu powder and enhancing the mechanical and anti-corrosion properties of the graphene/Cu composite. This method offers a new idea for preparing high strength and high corrosion-resistant graphene/Cu composites.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Chemistry, Physical
Gengjie Wang, Lin Li, Shumin Zhang, Lu Zhu, Yaoyin Zhang, Zhifu Huang, Zhenhua Cao, Xiangkang Meng
Summary: This study investigates the microstructure and substrate temperature dependence of FeCoNiCrCu high-entropy alloy (HEA) coatings on carbon nanotube (CNT) surfaces using experimental and molecular dynamics simulations. The crystal structure of FeCoNiCrCu evolves from amorphous to stacking faults (SFs), multiple-fold twins, and columnar grains as the CNT substrate temperature increases. The formation of SFs and microtwins is induced by mismatch stress at the interface of HEAs and CNT when the CNT substrate temperature is less than 800 K. When the CNT substrate temperature is greater than 800 K, thermal stress induces the formation of multiple-fold twins on the surface of HEAs coating. These findings offer a new method for designing and controlling the interface structure between HEAs and CNTs.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Review
Materials Science, Ceramics
Li Jiang, Mianyu Bao, Yanmao Dong, Yan Yuan, Xing Zhou, Xiangkang Meng
Summary: Metallic glass (MG) is a new type of multi-component alloy with a unique disordered atomic stacking structure, which is gradually recognized as a promising anticorrosive material. This review focuses on the current studies and developments concerning corrosion resistant MGs, and provides valuable suggestions for subsequent research.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2023)
Article
Chemistry, Multidisciplinary
Fengqi Li, Hao Wu, Shaochen Lv, Yujie Ma, Biao Wang, Yilun Ren, Cong Wang, Yuxuan Shi, Hurong Ji, Jian Gu, Shaochun Tang, Xiangkang Meng
Summary: This study successfully fabricated a dual-phase medium-entropy metal sulfide (dp-MEMS) of (FeCoNiMn2)S2, which demonstrates ultra-efficient catalytic activity and surprisingly stability for the oxygen evolution reaction (OER). The coexistence of dual-phase (FCC + HCP) structures effectively inhibits the structure collapse and performance attenuation during OER processes. Density functional theory calculations reveal that the formation of (FeCoNiMn2)S2 dp-MEMS results in the proximity of the d-band center to the Fermi level.
