Article
Polymer Science
Fahim Hamidouche, Zohra Ghebache, Naima Boudieb, Moustafa M. S. Sanad, Nacer-Eddine Djelali
Summary: The highly stable zeolite HY/polypyrrole composite material was successfully fabricated using an in-situ chemical polymerization approach, exhibiting improved electrochemical properties and thermal stability.
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Pantharee Kongsat, Edgar A. O'Rear, Thirawudh Pongprayoon
Summary: In this study, a coating was obtained on magnetite and hematite iron oxide nanoparticles using polypyrrole (PPy) to enhance electrical conductivity. The modified nanoparticles showed aggregation in water and exclusion of water molecules. The coated nanoparticles were characterized using FT-IR and SEM, and their thermal stability was investigated using TGA. Magneticity and electrical conductivity of the modified nanoparticles were analyzed using VSM and multimeter measurements. The results showed that the electrical conductivity was significantly enhanced, but there was no significant difference in the magnetic properties compared to the bare nanoparticles.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2022)
Article
Chemistry, Physical
H. M. Fayzan Shakir, Mahnoor Shahzad, Huzaifa R. Aziz, M. Saad Rizwan, Sohaib Shahid, S. Hasan Ali, Tingkai Zhao
Summary: In this study, barium hexaferrite-polypyrrole (BHF-Ppy) nanoparticles were synthesized by in-situ polymerization method and showed excellent electromagnetic interference shielding properties in both near-infrared and microwave regions, as confirmed by microstructure characterization and performance testing.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Nanoscience & Nanotechnology
Huige Wei, Ang Li, Deshuo Kong, Zhengzheng Li, Dapeng Cui, Tuo Li, Binbin Dong, Zhanhu Guo
Summary: The study presented a convenient method for preparing films suitable for wearable piezoresistive sensors, showing excellent performance with high sensitivity, short response time, and ability to withstand large amounts of repetitive motion.
ADVANCED COMPOSITES AND HYBRID MATERIALS
(2021)
Article
Nanoscience & Nanotechnology
Sungchul Shin, Jinho Hyun
Summary: This study demonstrates a one-step 3D printing technique for controlling the 3D structure of hydrogel materials while simultaneously achieving uniform conductivity. The core technology involves in situ polymerization of conductive polymers at the interface, resulting in the uniform fabrication of conductive polypyrrole on the surface of the hydrogel. This simple process provides uniform electrical conductivity throughout the bulk structure.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Gabriella G. Mastantuoni, Van Chinh Tran, Isak Engquist, Lars A. Berglund, Qi Zhou
Summary: To meet the growing demand for sustainable electronic devices, developing lightweight and mechanically strong wood structures for conducting composites is highly desirable. Researchers have successfully fabricated highly conductive wood/polypyrrole composites by modifying native lignin in wood cell walls and polymerizing pyrrole. By treating wood veneers with sodium sulfite under neutral conditions, researchers obtained sulfonated wood veneers with increased porosity and well-preserved cell wall structures containing native lignin and lignosulfonates. The composite achieved high conductivity and specific pseudocapacitance, making it suitable for sustainable energy applications.
ADVANCED MATERIALS INTERFACES
(2023)
Article
Engineering, Environmental
Yifu Li, Hesheng Yu, Yi Zhang, Norman Zhou, Zhongchao Tan
Summary: This study develops two kinetics models for the in-situ polymerization of polypyrrole (PPy) and identifies the most suitable mechanism by comparing the model results with experimental data. The results show that the overall reaction rate of in-situ polymerization with electrospun fibrous template is faster due to enhanced reactions between oxidized pyrrole oligomers and neutral monomers. The obtained composite membrane exhibits well-developed fibrous nanostructure, good electrical conductivity, sufficient mechanical strength, and relatively stable thermal properties.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Materials Science, Composites
Ricardo Hidalgo Santim, Alex Otavio Sanches, Michael Jonas da Silva, Colleen Marie McMahan, Jose Antonio Malmonge
Summary: Flexible conductive polymeric nanocomposites were prepared using in situ polymerization in a natural rubber medium. The electrical conductivity and mechanical properties of the resulting nanocomposites were controlled by varying the ratio of natural rubber to pyrrole monomer. The distribution of the polymer nanoparticles was influenced by the pre-vulcanization of the rubber matrix.
POLYMER COMPOSITES
(2022)
Article
Materials Science, Composites
Hongming Wei, Zhiqiang Li, Jianpeng Zou, Yurong Gong, Xiaoya Li, Wenyi Zhan, Feiyang Li, Yanzhang Dai
Summary: TiCx-graphite/Cu composites were fabricated by spark plasma sintering using copper-coated graphite powder, copper powder, and Ti2SnC powder as precursors. The study investigated the phase composition, microstructure, relative density, hardness, and conductivity of the composites with varying Ti2SnC content. The results showed in situ synthesis of TiCx from Ti2SnC during sintering, with Sn diffusion into the Cu matrix. The composites exhibited relative density above 93% and hardness of 65 HSD, while increasing Ti2SnC content from 25 to 40 wt% led to a decrease in conductivity from 1.696 x 10(7) S m(-1) to 9.380 x 10(6) S m(-1).
COMPOSITES COMMUNICATIONS
(2023)
Article
Materials Science, Multidisciplinary
Monika M. Jadhav, Kshama D. Lokhande, Mahesh P. Bondarde, Madhuri A. Bhakare, Surajit Some
Summary: This study developed a novel PPy@rGO/CaCO3 (PRC) composite using a facile one-pot fabrication method. The PRC composite was coated onto the surface of silica and melamine sponge to effectively remove organic pollutants. The as-prepared PRC materials exhibited high dye adsorption capacity and demonstrated remarkable selectivity for cationic dyes. They also sustained multiple cycles without losing their adsorption efficiencies.
MATERIALS CHEMISTRY AND PHYSICS
(2023)
Article
Chemistry, Multidisciplinary
Ufana Riaz, Aaliyah Farooq, Nuzhat Nabi, Faith R. Nwanze, Fei Yan
Summary: This study reports the synthesis and characterization of water-dispersible polypyrrole (WD-PPy) and polythiophene (WD-PTh) copolymers in different weight ratios using experimental and theoretical techniques. Spectroscopic characterization of the copolymers was conducted using experimental C-13-NMR, FTIR, and UV-visible studies, as well as theoretical FTIR and UV-visible studies. Furthermore, biophysical interaction studies with bovine serum albumin (BSA) and human serum albumin (HSA) were performed, revealing strong binding with potential applications in designing inhibitors and biosensors.
NEW JOURNAL OF CHEMISTRY
(2023)
Article
Polymer Science
Kiriaki Chrissopoulou, Krystalenia Androulaki, Massimiliano Labardi, Spiros H. Anastasiadis
Summary: The study shows that nanocomposites of hyperbranched polymers with graphitic materials exhibit a uniform intercalated structure and enhanced conductivity, but thermal reduction of graphite oxide leads to reduced thermal stability of the polymer.
Article
Materials Science, Multidisciplinary
Zahra Abdi, Omid Bagheri, Mohammadali Kazemzadehhojaghan, Adrine Malek Khachatourian
Summary: In this study, a nanocomposite of Nd-doped ZnO and polypyrrole was synthesized to enhance the photodegradation of organic dyes. The nanocomposites showed high photocatalytic performance and are suitable for wastewater treatment.
MATERIALS CHEMISTRY AND PHYSICS
(2023)
Article
Energy & Fuels
Jianghui Cheng, Guoyuan Chen, Sensen Li, Feng Hou
Summary: The article reports a novel method for preparing phase change composites with high thermal conductivity and inhibited leakage by constructing a network of graphite nanoplatelets and Cu nanoparticles. The method demonstrates a significant increase in thermal conductivity, showing potential for improving thermal management performance in high-energy consumption devices.
JOURNAL OF ENERGY STORAGE
(2021)
Article
Environmental Sciences
Jingqiu Sun, Guiguo Wang, Hua Zhang, Ben Zhang, Chengzhi Hu
Summary: This paper presents a facile method for the fabrication of an ultrafiltration conductive polypyrrole-modified membrane with high electrical conductivity and outstanding water flux. The cost-effective preparation method shows promise in mitigating membrane fouling effectively.
Article
Multidisciplinary Sciences
Haifeng Yu, Huawei Zhu, Hongliang Jiang, Xiaozhi Su, Yanjie Hu, Hao Jiang, Chunzhong Li
Summary: A dual-track strategy of tantalum doping and cerium oxide coating is used to fully restrain the escape of lattice oxygen from Ni-rich cathodes in high-voltage regions, enhancing the performance and safety of lithium-ion batteries. The treated cathode exhibits high cyclic performance within the voltage range of 2.7-4.5 V.
NATIONAL SCIENCE REVIEW
(2023)
Article
Materials Science, Multidisciplinary
Jiahao Zhang, Qiucheng Xu, Jingyu Wang, Yanjie Hu, Hao Jiang, Chunzhong Li
Summary: Researchers have demonstrated a novel electrocatalyst that can improve the efficiency of water electrolysis by breaking the scaling relationship of the oxygen evolution reaction. This catalyst achieves ultrahigh current density at a low potential, with low overpotential and high stability under high current densities.
SCIENCE CHINA-MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Da Xu, Qilin Cheng, Petr Saha, Yanjie Hu, Ling Chen, Hao Jiang, Chunzhong Li
Summary: In this study, Se/N co-doped hard carbon nanotubes were successfully synthesized, showing high reversible storage capacity and electrochemical reversibility for potassium-ion batteries. They exhibited excellent electrochemical performance in terms of both weight and area, making them promising for application in potassium-ion batteries.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Applied
Haiyan Wang, Haowen Du, Hucheng Zhang, Songjie Meng, Zhansheng Lu, Hao Jiang, Chunzhong Li, Jianji Wang
Summary: This study presents the design of expanded graphite cohered by N, B bridge-doping carbon patches (NBEG) as an efficient anode for potassium-ion batteries (KIBs). The co-doping of B plays a crucial role in maximizing the doping-site utilization of N atoms, balancing the adsorption-diffusion kinetics, and promoting charge transfer. The designed NBEG exhibits a robust lamellar structure, suitable interlayer distance, and rich active sites, enabling rapid ion/electron transfer and high K-ion storage capacity.
JOURNAL OF ENERGY CHEMISTRY
(2023)
Article
Chemistry, Physical
Wu Wei, Zhihong Wang, Liyun Yao, Hao Jiang, Chunzhong Li
Summary: In this study, CeO2-x-coated LiNi0.9Co0.045Mn0.045Al0.01O2 was used to stabilize the lattice oxygen of Ni-rich and Co-poor cathodes, resulting in a reversible oxygen-storage protective layer and improved crystal and interface structure. The obtained cathode exhibited a high specific capacity of 223 mA h g(-1) at 0.1C and 140 mA h g(-1) even at 10C, with 96.7% capacity retention at 1C after 100 cycles in a coin-type half-cell. About 90.1% capacity retention could still be obtained at 1C after 300 cycles in a pouch-type full-cell. This work provides a viable method for stabilizing the lattice oxygen of Ni-rich and Co-poor cathodes.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Nanoscience & Nanotechnology
Yating Wang, Ling Cheng, Wangxin Ge, Yihua Zhu, Jie Zhang, Rongzhen Chen, Ling Zhang, Yuhang Li, Chunzhong Li
Summary: Scientists have localized nanosized Cu2O on three different carbon-based substrates with different charge-promotion effects, and found that these effects can increase the faradaic efficiency (FE) for C2 products. Among them, positively charged boron-doped graphene (BG) has the highest FE, followed by negatively charged nitrogen-doped graphene (NG), and weakly negatively charged reduced graphene oxide (rGO) has the lowest FE.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Yushuang Fang, Yu Fan, Kunchi Xie, Wangxin Ge, Yihua Zhu, Zhiwen Qi, Zhen Song, Hongliang Jiang, Chunzhong Li
Summary: Designing an efficient electrode-electrolyte interface for H2O2 electrosynthesis is challenging. However, adding dimethyl sulfoxide (DMSO) to the electrolyte can improve the selectivity and activity of H2O2 production. The formation of hydrogen bonds between DMSO and water at the electrode-electrolyte interface reduces water dissociation, leading to improved selectivity of H2O2 synthesis. This work highlights the importance of regulating the interfacial hydrogen-bond environment for enhancing electrochemical performance.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Engineering, Chemical
Jiachen Guo, Zhiyuan Peng, Hu Wang, Liu Yang, Ling Zhang, Chunzhong Li
Summary: In this study, urea-assisted ball milling method was used to enhance the thermal conductivity, flame resistance, and mechanical properties of cellulose nanofiber-based film by creating the covalent bond between boron nitride nanosheets (BNNS) and black phosphorus (BP). The treated film showed high thermal conductivity at 50% loading, with reduced fire hazard.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2023)
Article
Engineering, Chemical
Zhichao Shen, Yanbin Qi, Wangxin Ge, Hongliang Jiang, Chunzhong Li
Summary: Cu/Ni-B interface catalysts improve the efficiency of ureaelectrooxidation and promote the formation of N-2. This study isinstructive for the design of electrocatalysts for other nucleophileelectrooxidation reactions.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2023)
Article
Engineering, Chemical
Hu Wang, Ling Zhang, Chunzhong Li
Summary: In this study, lightweight and flexible electromagnetic shielding composite films with excellent Joule heating performance and good mechanical properties were prepared. The composite films achieved a high electromagnetic shielding effectiveness of 40.52 dB at 8.2-12.4 GHz (X-band) with a low thickness of 22 μm. They also exhibited excellent electrical heating performance with a surface saturation temperature as high as 127.6 degrees C under an applied voltage of 7 V. Therefore, the ANF/APP/PRGO composite films have practical application value in the fields of electromagnetic shielding and electric heating.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2023)
Article
Chemistry, Multidisciplinary
Yuan Zhao, Jipeng Xu, Kai Huang, Wangxin Ge, Zhen Liu, Honglai Liu, Cheng Lian, Hongliang Jiang, Chunzhong Li
Summary: Electrochemical alkynol semi-hydrogenation using water as the hydrogen source instead of H2 is a sustainable and environmentally friendly method for producing high-value alkenols. This study proposes the use of boron-doped Pd catalysts (PdB) and surfactant-modified interface to increase both alkenol selectivity and alkynol conversion. By assembling quaternary ammonium cationic surfactants at the electrode-electrolyte interface, in response to applied bias potential, an interfacial microenvironment is created which promotes alkynol semi-hydrogenation and inhibits hydrogen evolution reaction without decreasing alkenol selectivity.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Review
Energy & Fuels
Yuhang Jiang, Yating Wang, Rongzhen Chen, Yuhang Li, Chunzhong Li
Summary: The use of bimetallic metal-organic frameworks (MOFs) as electrocatalysts for the carbon dioxide reduction reaction (CO2RR) has gained significant attention in the field of clean energy. Bimetallic MOFs exhibit synergistic effects and superior performance compared to monometallic MOFs, particularly in terms of product selectivity. This mini-review provides an overview of recent progress in the synthesis and design of bimetallic MOFs as CO2RR electrocatalysts. The importance of organic ligands, metal components, and MOF-derived materials is discussed, along with the advantages of utilizing two metal components. The challenges, gaps, and future perspectives of using bimetallic MOF materials for electrocatalytic CO2RR are also highlighted.
Article
Multidisciplinary Sciences
Zhaolu Zhang, Kai Huang, Xinyue Qiu, Wangxin Ge, Xiaoling Yang, Yihua Zhu, Cheng Lian, Honglai Liu, Hongliang Jiang, Zhong Li
Summary: This work demonstrated a highly efficient electrochemical conversion of 5-hydroxymethylfurfural to 2,5-bis(hydroxymethyl)furan and developed a highly porous Cu-based catalyst with high BHMF selectivity and long-term stability. The electrochemically generated catalyst with abundant Cu/Cu2O interfaces was identified as the catalytically active phase for HMF conversion through structural characterizations.
FUNDAMENTAL RESEARCH
(2023)
Article
Chemistry, Multidisciplinary
Zhihong Wang, Wu Wei, Qiang Han, Huawei Zhu, Ling Chen, Yanjie Hu, Hao Jiang, Chunzhong Li
Summary: A microstructure engineering strategy is used to synthesize elongated primary particles radially aligned Ni-rich cathodes through regulation of precipitation rates and flow field distributions. The resulting cathode exhibits enlarged lattice distance and highly exposed (003) plane, showing significant advantages such as high-rate, long-cycle life, and thermal stability. After modification, an exceptionally long life is achieved with a capacity retention of 90.1% at 1C and 84.3% at 5C after 1500 cycles within 3.0-4.3 V in a 1.5-Ah pouch cell. This work offers a universal strategy to enhance the durability of Ni-rich cathodes by achieving isotropic strain distribution.
Article
Chemistry, Physical
He Zhao, Ling Zhang, Tianbo Deng, Chunzhong Li
Summary: Researchers have developed a multifunctional wearable electrochemical biosensor based on a patterned Janus fabric for continuous analysis of glucose in sweat. The biosensor achieves high sensitivity and long-term stability, and a wearable glucose intelligent early warning system is developed based on this biosensor for real-time monitoring and emergency feedback.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)