Article
Chemistry, Multidisciplinary
Kiyeon Sim, JunHwa Kwon, Seungmin Lee, Hayong Song, Ki-Yeop Cho, Subin Kim, KwangSup Eom
Summary: In this work, a high-energy lithium metal battery with a high-capacity cathode composed of nanoplate-stacked V2O5 is proposed. The V2O5 nanostructure with dominantly exposed (010) facets and a relatively short [010] length is achieved via a modified hydrothermal method. The results show that the nanoplate-stacked V2O5 electrode exhibits improved electrochemical kinetics and stability, leading to higher capacity, rate performance, and cycling capability. The LMB composed of Li//nanoplate-stacked V2O5 full-cells demonstrates high specific energy densities and Coulombic efficiency.
Article
Electrochemistry
Yoshiaki Murata, Ryoji Inada, Yoji Sakurai
Summary: The study investigated the influence of electrolyte structure on the Ca2+ ion insertion and extraction properties of V2O5 by changing the concentration or solvent. It was found that the molar ratio of contact ion pairs (CIP) in the total ionic species significantly affected the electrochemical performance. Different electrolytes showed varying capacity and coulombic efficiency, with solvent-separated ion pairs (SSIPs) potentially contributing to performance differences.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2021)
Article
Chemistry, Multidisciplinary
Najeeb Ur Rehman Lashari, Anuj Kumar, Irfan Ahmed, Jie Zhao, Arshad Hussain, Usman Ghani, Geng Luo, Ghulam Yasin, Muhammad Asim Mushtaq, Dongqing Liu, Xingke Cai
Summary: This research presents a facile in-situ construction strategy to synthesize layered oxide nanosheets/nitrogen-doped carbon nanosheet (NC) heterostructure with larger interlayer spacing and better electrical conductivity. The heterostructure enhances the diffusion of Zn2+ ions inside the interlayer gallery and improves the utilization of storage sites. It also exhibits better cycling stability than pure layered oxides, making it a promising cathode material for metal ion batteries.
Article
Chemistry, Multidisciplinary
Junli Chen, Wenli Zhang, Xiaojun Zhang, Ziyan Li, Jianhui Ma, Lei Zhao, Wenbin Jian, Suli Chen, Jian Yin, Xuliang Lin, Yanlin Qin, Xueqing Qiu
Summary: This study proposes a strategy that utilizes sustainable sodium lignosulfonate as both carbon and sodium sources to prepare a sodium pre-intercalated vanadium oxide/carbon composite for the cathode of an aqueous zinc-ion battery (AZIB). This approach allows for the production of vanadium-based cathode materials with high stability and excellent rate capability.
Article
Electrochemistry
Louise M. McGrath, James F. Rohan
Summary: This study demonstrates the high rate and long cycle life performance of electrodeposited V2O5 thin film cathodes and lithium metal anodes using pyrrolidinium-based ionic liquid electrolytes. The addition of vinylene carbonate stabilizes the electrolyte interface and increases electrode capacities, while polymer gel electrolytes based on the ionic liquid offer similar performance without the need for VC additives. The polymer gel option provides better long-term stability with minimal capacity fade for lithium metal anodes.
BATTERIES & SUPERCAPS
(2021)
Article
Chemistry, Physical
Prahlad Yadav, Nataraj Sanna Kotrappanavar, Pooja B. Naik, Hemanth Kumar Beere, Ketaki Samanta, Naveen S. Reddy, Jari S. Algethami, Mohammed Jalalah, Farid A. Harraz, Debasis Ghosh
Summary: In this study, a high-performance rechargeable zinc ion battery with a laser-scribed carbon-supported electrodeposited zinc anode and vanadium oxide cathode was fabricated. The electrodeposited zinc anode showed excellent stability over 500 hours of testing. By replacing the aqueous electrolyte with a solid-state electrolyte, the cycle stability of the battery was significantly improved. The solid-state planar battery exhibited high initial capacity and impressive cycle stability over 5500 cycles.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Electrochemistry
Ruichen Dong, Tian Zhang, Jiyuan Liu, Huan Li, Deji Hu, Xingjiang Liu, Qiang Xu
Summary: Aqueous zinc-ion batteries are widely studied due to their excellent electrochemical performance, high safety, and low cost. In this study, a polypyrrole-coated V2O5 cathode material was prepared to address the issues of poor electronic conductivity, sluggish kinetics for zinc-ion diffusion, and cathode dissolution. The results showed that the polypyrrole coating significantly enhanced the cyclic and rate performance of the V2O5 cathode.
Article
Chemistry, Physical
Puja De, Joyanti Halder, Surbhi Priya, Alok Kumar Srivastava, Amreesh Chandra
Summary: An interconnected sheet-like morphology of low-cost V2O5 is used as a cathode material for aluminum-ion batteries to improve their capacity, rate capability, and cycling stability. The V2O5-based cathode shows excellent performance, with an initial discharge capacity of around 140 mA h g-1 and a capacity retention of 96% after 1000 cycles. The fast intercalation and deintercalation of Al3+ within the stacked layers of V2O5 contribute to these high-performance characteristics, which have been previously ignored in aluminum-ion batteries.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Xuelu Dong, Yuting Zhang, Chuansheng Cui, Suyuan Zeng, Chonggang Fu, Lei Wang
Summary: In this study, binary transition metal oxide Mn2V2O7 nanoplates and nanosheet-based hierarchical microstructures were synthesized by changing the V/Mn molar ratio in the initial reactants using the solvothermal method. The electrochemical properties of Mn2V2O7 as anode materials for lithium-ion batteries were investigated. The results showed that both Mn2V2O7 nanoplates and nanosheet-based microstructures exhibited high discharge capacities and excellent electrochemical activity. These materials hold great prospects for applications in energy storage devices.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Electrochemistry
Yang Wang, Ties Lubbers, Rui Xia, Yi-Zhou Zhang, Mohammad Mehrali, Mark Huijben, Johan E. ten Elshof
Summary: A new type of two-dimensional heterostructure cathode material for lithium-ion batteries has been demonstrated by inkjet printing a composite ink based on high capacity V2O5 nanosheets and high electronic conductivity Ti3C2Tx nanosheets, showing excellent electronic conductivity and fast electron transport. The printed cathodes exhibit high capacity, high-rate capability, and good cycling stability, indicating high electrochemical performance and potential applications in high-performance energy storage.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2021)
Article
Chemistry, Multidisciplinary
Yi Liu, Ying Liu, Xiang Wu, Young-Rae Cho
Summary: Aqueous zinc-ion batteries have great potential in energy storage devices due to their abundant zinc resources and intrinsic safety. However, developing suitable cathode materials that match with the anodes remains a significant challenge. In this study, we designed carbon-coated V2O5 microspheres through a chitosan-assisted route. The amorphous carbon layer effectively enhances the electrical conductivity of the active materials, thereby improving the electrochemical performance. The assembled Zn/V2O5@0.25C batteries achieved a specific capacity of 532.4 mAh g(-1) at 0.2 A g(-1) with an energy density of 354.9 Wh kg(-1). They exhibit long-term cycling stability with a retention rate of 86% after 3000 cycles at 5 A g(-1).
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2023)
Article
Chemistry, Multidisciplinary
Yi Liu, Ying Liu, Xiang Wu, Young-Rae Cho
Summary: Aqueous zinc-ion batteries are promising for energy storage devices due to zinc resources and safety features. However, developing suitable cathode materials is still a major challenge. In this study, carbon-coated V2O5 microspheres were designed to enhance the electrical conductivity and improve electrochemical performance. The assembled Zn/V2O5@0.25C batteries achieved a high specific capacity of 532.4 mAh g(-1) at 0.2 A g(-1) and an energy density of 354.9 Wh kg(-1). They also showed excellent long-term cycling stability with a retention rate of 86% after 3000 cycles at 5 A g(-1).
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2023)
Article
Chemistry, Physical
Samuel A. Hevia, Joseba Orive, Fernando Guzman, Eduardo Cisternas, Fabian Dietrich, Roberto Villarroel, Judit Lisoni
Summary: The study demonstrates that the performance of vanadium pentoxide thin films as cathodes for lithium-ion batteries can be optimized by specific production routes and fabrication parameters, with factors such as film thickness and microstructure, influenced by oxidation temperature, playing a key role. In addition, first-principles calculations using density functional theory (DFT) were conducted to explain the relationship between the remarkable performance and film microstructure.
APPLIED SURFACE SCIENCE
(2022)
Article
Engineering, Electrical & Electronic
Mudaliar Mahesh Margoni, S. Mathuri, K. Ramamurthi, V. Ganesh, R. Ramesh Babu, K. Sethuraman
Summary: Vanadium pentoxide (V2O5) films and multiwalled carbon nanotubes added V2O5 composite (MWCNT/V2O5) films were prepared by hydrothermal technique. The influence of different levels of MWCNT on the electrochromic properties of MWCNT/V2O5 films was investigated. The results showed that adding a certain amount of MWCNT could enhance the transmittance and bandgap of the films, as well as improve the electrochromic reversibility and switching kinetics.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2022)
Article
Chemistry, Multidisciplinary
Yinan Lu, Holly Andersen, Ruiqi Wu, Alex M. Ganose, Bo Wen, Arvind Pujari, Tianlei Wang, Joanna Borowiec, Ivan P. Parkin, Michael De Volder, Buddha Deka Boruah
Summary: Solar power is an abundant and readily available source of renewable energy, but its intermittent nature requires external energy storage solutions that are often expensive and inefficient. This study introduces the concept of a photo-accelerated battery that integrates energy harvesting and storage functions in a single device. By using a novel approach to craft photocathodes, the research demonstrates improved performance in terms of capacity and diffusion kinetics when exposed to light. This defect engineering strategy shows promise for future high-performance photocathodes in energy storage applications.
