Article
Chemistry, Physical
Beirong Liang, Sisi Zhu, Jingchu Wang, Xianqing Liang, Haifu Huang, Dan Huang, Wenzheng Zhou, Shuaikai Xu, Jin Guo
Summary: The study successfully synthesized silicon-doped FeOOH@rGO composite as an anode material for lithium-ion batteries, demonstrating high reversibility, outstanding rate capability, and excellent long-term cyclability.
APPLIED SURFACE SCIENCE
(2021)
Article
Chemistry, Multidisciplinary
Tongjun Li, Hongyu Dong, Zhenpu Shi, Hongyun Yue, Yanhong Yin, Xiangnan Li, Huishuang Zhang, Xianli Wu, Baojun Li, Shuting Yang
Summary: In this study, CoS2@rGO (CSG) nanocomposite was synthesized by a hydrothermal method and used as an electrode material for lithium-ion batteries. The nanocomposite showed high specific capacity, excellent rate performance, and outstanding cycle stability.
Article
Energy & Fuels
Zhenwei Li, Meisheng Han, Peilun Yu, Quan Wu, Yuanbo Zhang, Jie Yu
Summary: Si/C anode with homogeneously deposited Si-C nanolayers on graphite armored with N-doped porous flexible vertical graphene sheets (VGSs) exhibits improved cycling stability and fast-charging capability. Si-C nanolayers contain sub-nanometer Si particles in 3D carbon skeleton, effectively alleviating volume change of Si and accelerating electron and Li-ion transport. N-doped VGSs provide rational space for Si volume change, buffer stress, increase electrical contact points, and accelerate Li-ion transport.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Chemistry, Physical
Xin Hui, Jiachang Zhao, Jianfeng Mao, Hongbin Zhao
Summary: CuCo2Se4/reduced graphene oxide (rGO) composites were prepared for the first time by a solvothermal method, and applied as anode material for lithium-ion batteries (LIBs) with excellent performance. CuCo2Se4/rGO showed a reversible capacity of 845.49 mAh g-1 (0.1 A g-1) after 200 cycles, significantly better than CuCo2Se4 (36.90 mAh g-1). The rate performance of CuCo2Se4/rGO (318.4 mAh g-1 at 2 A g-1) was much better than the pure CuCo2Se4 (15.1 mAh g-1 at 2 A g-1). The results indicate a promising future for CuCo2Se4/rGO in LIBs.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2023)
Article
Chemistry, Applied
Jin-Hua Liu, Ming-Yue Yu, Jin Yang, Ying-Ying Liu, Jian-Fang Ma
Summary: The design and synthesis of new high-performance anode materials is crucial for the development of lithium-ion batteries. Through an amorphous engineering strategy, improved performance in terms of stability and electrical conductivity can be achieved by anchoring a porous polyoxometalate-based complex on layered graphene oxide.
MICROPOROUS AND MESOPOROUS MATERIALS
(2021)
Article
Nanoscience & Nanotechnology
Haili Cai, Lining Fan, Wei Chen, Hui Zheng, Xiaoxiao Guo, Peng Zheng, Liang Zheng, Yang Zhang
Summary: Iron carbide-functionalized porous carbon nano-composites are potential anode materials for lithium-ion batteries due to their good electrocatalytic performance, stable chemical properties, and reasonable cost-effectiveness. In this study, a Fe3C-functionalized 3D nitrogen-doped porous graphene nanocomposite (Fe3C/NPG) was synthesized using silk fibroin coordination with Fe ions. The Fe3C/NPG composite exhibited a distinct 3D porous structure, high doping levels of nitrogen atoms (approximately 10%), and well-dispersed Fe3C nanoparticles with strong interfacial bonding. It showed excellent cycling stability and rate performance as a LIB anode material at certain heating temperature and Fe ion concentration.
ACS APPLIED NANO MATERIALS
(2023)
Article
Nanoscience & Nanotechnology
Jiwon Jang, Seok Hyun Song, Hyeri Kim, Junsoo Moon, Hyungju Ahn, Kyoung-Il Jo, Joona Bang, Hyungsub Kim, Jaseung Koo
Summary: The study introduces a one-step process to fabricate Janus-structured nano-composites on graphene oxide nanosheets, maximizing material density and exhibiting high capacity and stability in electrochemical tests.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Nanoscience & Nanotechnology
Haitao Gu, Yong Wang, Yun Zeng, Meng Yu, Tong Liu, Jian Chen, Ke Wang, Jingying Xie, Linsen Li
Summary: Dopamine-polymerization-guided carbon coating of SiOx anodes improves their electrochemical performance and cycling life. Suppression of cracks and excessive growth of the solid electrolyte interphase (SEI) layer contributes to the enhanced performance and stability.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Review
Chemistry, Multidisciplinary
Miaomiao Jiang, Yuanyuan Ma, Junliang Chen, Wan Jiang, Jianping Yang
Summary: The exploration of electrode materials has a crucial impact on the development of lithium-ion batteries, with challenges in conductivity and volume change hindering commercial application. Carbon-matrix composite anodes have been identified as an effective strategy, with recent advances focusing on regulating carbon distribution. This review provides insights into future trends in carbon-matrix electrode design for LIBs.
Article
Chemistry, Physical
G. N. Suresh Babu, V Mani, S. T. Nishanthi, M. K. Nikhil Chandran, N. Kalaiselvi
Summary: This study demonstrates the potential of GeMn2O4/graphene as an alternative anode for lithium and sodium ion batteries, addressing volume changes and transport kinetics issues through the addition of graphene. The composite material showed promising performance in terms of capacity and cycling stability, paving the way for future high capacity and high rate demanding battery applications.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Multidisciplinary
Leichao Meng, Jianhong Peng, Yi Zhang, Yongfu Cui, Lingyun An, Peng Chen, Fan Zhang
Summary: In this paper, different methods were employed to prepare lithium vanadium oxide (LVO) samples. It was found that the LVO samples obtained by sol-gel method had uniform nanoparticle morphology. The LVO/graphene (GN) composite synthesized by sol-gel method showed outstanding cycling performance and rate performance, attributed to the improved distribution of LVO by flexible GN and the formation of a highly conductive network.
Article
Energy & Fuels
Yewen Zhang, Huiling Du, Jie Lu, Zhuo Li, Tong Lu, Yuxuan Hu, Yitian Ma
Summary: Ga2O3 is widely used as anode material for lithium-ion batteries due to its high theoretical capacity. However, it has limited electronic conductivity and severe volume expansion, which restrict its application. In this study, Ga2O3 nanospheres were coated with carbon to improve overall electrochemical performance. The carbon coating treatment not only shortened ion transmission path and improved cycle stability but also provided abundant lithium-ion storage space, resulting in high pseudocapacitive storage characteristics.
Article
Chemistry, Physical
Wan-Jing Yu, Wenjie He, Chaolei Wang, Fan Liu, Liu Zhu, Qinghua Tian, Hui Tong, Xueyi Guo
Summary: A hybrid material of titanium-oxide quantum dots anchored on graphene nanoribbons was prepared and evaluated as anodes for Li/Na-ion batteries. The material showed desirable charge capacities, stable cyclic ability, and excellent rate performance.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Nanoscience & Nanotechnology
Ling Xu Yang, Rui Jia Liu, Huan Peng Bu, Hui Jun Liu, Chao Liu Zeng, Chao Fu
Summary: A facile and efficient route was developed for synthesizing TiC nanomaterials with varying dimensionalities, which showed impressive electrochemical performances as anode materials for lithium-ion batteries. The mechanism of lithium-ion charge storage in TiC electrodes was also studied.
ACS APPLIED NANO MATERIALS
(2022)
Review
Electrochemistry
Yao Liu, Wei Li, Yongyao Xia
Summary: While carbon, oxide, and silicon-based materials have limitations in current LIB applications, polyanionic compounds have gained attention for their ability to stabilize structures, adjust redox couples, and provide migration channels for guest ions, leading to electrode materials with long-term cycling, high energy density, and outstanding rate capability.
ELECTROCHEMICAL ENERGY REVIEWS
(2021)
Article
Chemistry, Physical
Jie Sheng, Jingshan He, Dun Ma, Yuanbo Wang, Wu Shao, Tian Ding, Ronghao Cen, Jingwen He, Zhihao Deng, Wenjun Wu
Summary: This study presents an innovative approach to improve the photovoltaic conversion characteristics and stability of perovskite solar cells through carbon electrode interface modification. By in-situ polymerization and carbonization on the surface of nano-graphite, a dendritic structure carbon electrode is formed, reducing the work function and aligning the energy levels with perovskite. This leads to improved charge and hole collection efficiency, resulting in increased photovoltaic conversion efficiency. Furthermore, the modified carbon electrode-based perovskite solar cells exhibit exceptional stability, maintaining high efficiency even without encapsulation.
Article
Chemistry, Physical
Guodong Shi, Jian Song, Xiaoxiao Tian, Tongtong Liu, Zhanjun Wu
Summary: This study demonstrates the improvement of mechanical properties and reduction of coefficient of thermal expansion (CTE) in graphene oxide (GO)/epoxy (EP) nanocomposites by enhancing the interface between GO and EP through functionalization and incorporating rigid-flexible interphases. The results reveal that the SiO2-PEA-GO hybrid exhibits better strengthening and toughening effects, as well as lower CTE, compared to the PEA-GO hybrid due to the presence of rigid-flexible interfaces with higher bonding strength and better energy dissipation mechanisms. Additionally, the nanocomposites with longer polyetheramine (PEA) molecules in the rigid-flexible interphases demonstrate higher strength and toughness, while maintaining a lower CTE. This work provides a promising strategy for constructing adjustable flexible-rigid interfacial structures and offers potential in developing GO/EP nanocomposites with high mechanical properties and low CTE.
Article
Chemistry, Physical
Rafal Janus, Sebastian Jarczewski, Jacek Jagiello, Piotr Natkanski, Mariusz Wadrzyk, Marek Lewandowski, Marek Michalik, Piotr Kustrowski
Summary: In this study, a facile procedure for the synthesis of CMK-1 and CMK-2 carbon replicas was developed. The method utilizes basic laboratory equipment and a renewable carbon source, and operates under mild conditions. The resulting carbon mesostructures exhibit exquisite replication fidelity and structural homogeneity, making them suitable for applications in various fields.
Article
Chemistry, Physical
Anqi Wang, Connor J. MacRobbie, Alex Baranovsky, Jean-Pierre Hickey, John Z. Wen
Summary: In this study, a novel polymer-free nanothermite aerogel with a wide range of nanoparticle loading was fabricated via a new additive manufacturing process. The SEM images showed a unique porous structure formed by extra thin rGO sheets, wrapping individual nanothermite clusters. The DSC-TGA results and high-speed combustion videos confirmed the enhanced energetic performance of the printed specimen.
Article
Chemistry, Physical
Wanze Wu, Misheng Zhao, Shiwei Miao, Xiaoyan Li, Yongzhong Wu, Xiao Gong, Hangxiang Wang
Summary: Superhydrophobic solar-driven interfacial evaporator is an energy-efficient technology for seawater desalination, which is easily fabricated using robust photothermal superhydrophobic coating and substrate. The created bifunctional coating on the melamine sponge substrate shows stable and highly efficient photothermal and superhydrophobic performance for seawater desalination. This superhydrophobic solar-driven interfacial evaporator is expected to have wide applications in seawater desalination.
Article
Chemistry, Physical
Zichen Xiang, Zhi Song, Tiansheng Wang, Menghang Feng, Yijing Zhao, Qitu Zhang, Yi Hou, Lixi Wang
Summary: This study presents a co-electrospinning synthesis strategy to fabricate lightweight and porous Co@C composite nanofibres with wideband microwave attenuation capacity. The addition of MOF-derived Co additives enhances the low-frequency absorption performance.
Article
Chemistry, Physical
J. Snow, C. Olson, E. Torres, K. Shirley, E. Cazalas
Summary: This study investigates the use of a perovskite-based graphene field effect transistor (P-GFET) device for X-ray detection. The sensitivity and responsivity of the device were found to be influenced by factors such as X-ray tube voltage, current, and source-drain voltage. Simulation experiments were conducted to determine the dose rate and energy incident on the device during irradiation.
Article
Chemistry, Physical
Zuzana Jankovska, Lenka Matejova, Jonas Tokarsky, Pavlina Peikertova, Milan Dopita, Karolina Gorzolkova, Dominika Habermannova, Michal Vastyl, Jakub Belik
Summary: This study provides new insights into microwave-assisted pyrolysis of scrap tyres, demonstrating that it can produce microporous carbon black with potential application in xylene adsorption. Compared to conventional pyrolysis, microwave pyrolysis requires less time and energy while maintaining similar adsorption capacity.
Article
Chemistry, Physical
Max Bommert, Bruno Schuler, Carlo A. Pignedoli, Roland Widmer, Oliver Groning
Summary: A detailed understanding of the interaction between molecules and two-dimensional materials is crucial for incorporating functional molecular films into next-generation 2D material-organic hybrid devices. This study compares the energy level alignment of different-sized fullerenes on a Moire superstructure and finds that C-84 fullerenes can be either neutral or negatively charged depending on slight variations of the electrostatic potential. This discovery suggests a new path to achieve ambipolar charge transfer without overcoming the electronic gap of fullerenes.
Article
Chemistry, Physical
Yuanjing Cheng, Xianxian Sun, Ye Yuan, Shuang Yang, Yuanhao Ning, Dan Wang, Weilong Yin, Yibin Li
Summary: The dual-structure aerogel (GS) consisting of flexible silica fibers and graphene honeycomb structures exhibits excellent resilience, flexibility, and reliability. It also shows remarkable wave absorbing performance, making it an ideal candidate for microwave absorption applications such as flexible electronics and aerospace.
Article
Chemistry, Physical
Shuyu Fan, Yinong Chen, Shu Xiao, Kejun Shi, Xinyu Meng, Songsheng Lin, Fenghua Su, Yifan Su, Paul K. Chu
Summary: Graphene coatings are promising solid lubrication materials due to their mechanical properties. This study presents a new method for in situ deposition of high-quality graphene coatings on hard substrates using NiCo solid solution and competitive reaction strategies. The graphene coating deposited on substrates with deep NiCo solid solution demonstrates superior low-friction and durability.
Article
Chemistry, Physical
Mengdi Wang, Sanyin Qu, Yanling Chen, Qin Yao, Lidong Chen
Summary: The improved thermoelectric properties of conducting polymers are achieved by selectively capturing single-walled carbon nanotubes (SWNTs) in a conducting polymer film, leading to increased carrier mobility and reduced thermal conductivity. The resulting composite film exhibits significantly higher electrical conductivity and lower thermal conductivity compared to films with a mixture of SWNTs. This work provides a convenient and efficient method to enhance the thermoelectric properties of conducting polymers.
Review
Chemistry, Physical
Heng Wei, Weihua Li, Kareem Bachagha
Summary: This article reviews the research progress of carbon nanotube-based microwave absorbing materials (MAMs) in recent years, covering the fundamental theory, design strategies, synthesis methods, and future development directions.
Article
Chemistry, Physical
Chenguang Shi, Junlong Huang, Zongheng Cen, Tan Yi, Shaohong Liu, Ruowen Fu
Summary: This study developed a high-performance Li metal host material, which achieved dendrite-free Li deposition with a low nucleation overpotential and high Coulombic efficiencies through the combination of Ti3C2-g-PV4P sheets and Ag nanoparticles. The full cells assembled with the Li@host anode and LiFePO4 cathode exhibited high discharge capacity and excellent cycling stability, demonstrating a perspective design for future energy storage devices.
Article
Chemistry, Physical
Tomotaro Mae, Kentaro Kaneko, Hiroki Sakurai, Suguru Noda
Summary: A new partial prelithiation method for SiO/C-CNT electrodes was developed, which showed reduced irreversible capacity and achieved high energy densities with good reversibility. The method allows for precise control of the degree of prelithiation and is applicable to various chemistries.