Article
Chemistry, Physical
Yawei Yu, Jiangchuan Liu, Yanling Zhang, Kefan Song, Xiaohui Hu, Yunfeng Zhu, Xiulan Hu
Summary: Ni-based hydroxides with Co and Mn co-substitution show enhanced capacity and stability. The enhanced performance is attributed to low deprotonation energy and facile electron transport. Ni-Zn battery and alkaline hybrid supercapacitor with (Ni0.8Co0.1Mn0.1)(OH)(2) as positive electrode achieve high energy density.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
D. Narsimulu, R. Shanthappa, Ashok Kumar Kakarla, B. N. Vamsi Krishna, Hari Bandi, Jae Su Yu
Summary: Multifunctional beta-Co(OH)2 and Co3O4 nanoplates with hexagonal-like structures and interior pores were successfully synthesized using a silicone oil-bath method. These nanoplates, used as anodes for lithium-ion batteries, exhibited excellent electrochemical performance.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Engineering, Electrical & Electronic
Fatma E. Farghaly, Atef Y. Shenouda
Summary: A negative material for lithium-ion batteries was prepared by hydrothermal reaction using graphene and cobalt hydroxide with different ratios. The material's crystal structure, functional groups, and morphology were analyzed through various techniques. The obtained 4Co(OH)2-1G cell showed a high specific discharge capacity and improved lithium ion diffusion mobility.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2021)
Article
Materials Science, Multidisciplinary
Vivek Paulraj, Tandrima Saha, Kumaran Vediappan, K. Kamala Bharathi
Summary: Monoclinic TiNb2O7 nanoparticles synthesized by co-precipitation method show good capacity retention at a high current charge/discharge rate and high cycling stability, with an initial specific capacity of 186 mAh/g.
Article
Chemistry, Physical
Junhao Zhang, Shaobo Li, Renzong Hu, Bin Yuan
Summary: The co-doped nickel-based layered double hydroxide, prepared by a one-step co-precipitation method with Cu2+ and Ni3+, showed significantly improved cycling performance and capacity due to enhanced structural stability and electron mobility. The results indicate its potential as a promising anode material for high-performance lithium-ion batteries.
Article
Chemistry, Physical
Junyang Hu, Huwei Wang, Shuwei Wang, Yu Lei, Lei Qin, Xiaojing Li, Dengyun Zhai, Baohua Li, Feiyu Kang
Summary: Research shows that the deposition mechanism of sodium and potassium in metal batteries differs from that of lithium, resulting in the formation of micrometer-scale granules, which may cause short circuits in the battery.
ENERGY STORAGE MATERIALS
(2021)
Article
Chemistry, Physical
Rebecca Grieco, Antonio Molina, Jaime S. Sanchez, Nagaraj Patil, Marta Liras, Rebeca Marcilla
Summary: This study presents a novel polymer alkaline rechargeable battery (ARB) using a robust anthraquinone-based conjugated microporous polymer (IEP-11) as an anode. The IEP-11 parallel to Ni(OH)(2) exhibits high cell voltage, high capacities, long cycle life, excellent rate performance, and low temperature operativity in low concentrate electrolyte. It outperforms traditional linear poly (anthraquinone sulfide) (PAQS) and most reported organic parallel to nickel (Ni)/cobalt (Co)/manganese (Mn) ARBs.
MATERIALS TODAY ENERGY
(2022)
Article
Materials Science, Multidisciplinary
Wei Luo, Qin Gao, Zemian Ma, Xueying Ma, Yimin Jiang, Wei Shen, Rongxing He, Wei Su, Ming Li
Summary: By combining interface engineering and vacancy engineering, a heterostructured catalyst with abundant oxygen vacancies was constructed, which displayed excellent bifunctional activity with low overpotentials. The outstanding bifunctional activity of the catalyst is attributed to the synergistic effect of heterointerface and oxygen vacancies.
SCIENCE CHINA-MATERIALS
(2023)
Article
Chemistry, Physical
Jeong Keun Ko, Jae Hyeon Jo, Hee Jae Kim, Jae Sang Park, Hitoshi Yashiro, Natalia Voronina, Seung-Taek Myung
Summary: A Bi2Te3 composite modified by nanosized carbon is reported to enhance reversible capacity and long cycling stability. The electrode retains over 79.8% of initial capacity after 500 cycles at high current. Reaction chemistry behind the acceptable performance is unveiled using advanced techniques.
ENERGY STORAGE MATERIALS
(2021)
Article
Chemistry, Physical
Yawei Yu, Xiulan Hu, Shuai Wang, Handan Qiao, Zeyu Liu, Kefan Song, Xiaodong Shen
Summary: The design of 3D core-shell heterostructures is an efficient method to achieve high mass specific capacity of electroactive materials. In this work, porous Ni4Co1-OH nanosheets with high mass specific capacity were obtained by electrochemically induced phase reconstruction, demonstrating excellent alkaline energy storage performance.
Article
Nanoscience & Nanotechnology
Yong Huang, Yuqing Wang, Panxing Bai, Yunhua Xu
Summary: The study reveals different storage mechanisms for Li, Na, and K in hard carbon anodes, with a slope at high voltage and a plateau at low voltage observed. The findings not only offer a fundamental understanding of alkali metal ions storage mechanisms in hard carbons but also help develop and design innovative electrode materials.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Physical
Yaxing Li, Liuzhong Yang, Yasi Zhang, Siting Cheng, Yan Feng
Summary: In this study, the effects of Hg and Ga additions on the microstructure and electrochemical properties of as-rolled Mg-Hg-Ga alloys were investigated. It was observed that the addition of Hg facilitated the precipitation of Mg5Ga2 phases and the distribution of the Ga element. Electrochemical tests revealed that the alloy with 2.0Hg and 2.0Ga exhibited the best corrosion resistance and discharge activity.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Nanoscience & Nanotechnology
Naduvile Purayil Dileep, Prasad Sarma, Ranjith Prasannachandran, Vishnu Surendran, Manikoth M. Shaijumon
Summary: The study demonstrated a synergistic nanostructured two-dimensional heterostructure formed by electrochemically exfoliated Co(OH)(2) and chemically derived 1T-MoS2, which greatly improved the HER activity in alkaline media. The Co(OH)(2)/1T-MoS2 heterostructure achieved a remarkably low overpotential and high Tafel slope in alkaline media, with a substantial increase in overpotential compared to the individual MoS2 component.
ACS APPLIED NANO MATERIALS
(2021)
Article
Electrochemistry
E. Thauer, G. S. Zakharova, L. F. Deeg, Q. Zhu, R. Klingeler
Summary: V2O3/C composites were successfully synthesized via a facile hydrothermal thermolysis method, showing excellent electrochemical performance with high specific capacity, great cyclic stability, and high rate capability. The type of carboxylic acid used as a carbon source affects the structure and performance of the V2O3/C composites.
ELECTROCHIMICA ACTA
(2021)
Article
Energy & Fuels
Lopamudra Halder, Anirban Maitra, Aswini Bera, Sarbaranjan Paria, Suman Kumar Si, Anurima De, Suparna Ojha, Sumanta Bera, Bhanu Bhusan Khatua
Summary: This study proposes a novel alkaline battery-supercapacitor hybrid device with hierarchically oriented double hydroxide assembly and employs nitrogen, sulfur doped reduced graphene oxide as negative electrode. The optimized architecture and fabrication process enhance charge storage capability, achieving a specific capacity of approximately 1467.24 C g(-1) and specific capacitance of approximately 2445 F g(-1).
JOURNAL OF ENERGY STORAGE
(2021)
Article
Engineering, Electrical & Electronic
Yinlin Shen, Yuman Yang, Jiajia Li, Meng Yang, Xiangyu Zhao, Xiaodong Shen
Summary: Incorporating carbon nanotubes into Li-excess Li1.24Fe0.38Ti0.38O2 cathode material improves its conductivity and ion diffusion, leading to enhanced cycling stability and rate performance. The refined nanoparticles loaded in a conductive network facilitate charge transfer and ion diffusion in the cathode, resulting in improved reversible capacity and cycling stability.
JOURNAL OF ELECTRONIC MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Yinlin Shen, Qinghua Zhang, Yujia Wang, Lin Gu, Xiangyu Zhao, Xiaodong Shen
Summary: Pyrite FeS2 shows great promise as a cathode material in high-energy metal-anode-based rechargeable batteries due to its low cost, high theoretical capacity, and environmentally friendly characteristics. The use of a copper current collector in FeS2 cathodes for rechargeable magnesium batteries enables significantly enhanced reversible capacity and superior energy density compared to previously reported metal chalcogenide cathodes. This high-performance FeS2 cathode can operate over 1000 cycles with good capacity retention, demonstrating its potential for practical applications in energy storage systems.
ADVANCED MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
Yuman Yang, Yi Zhang, Meng Yang, Xiangyu Zhao
Summary: The use of polar TiO2-x with porous structure as a sulfur host in Li-S batteries can significantly enhance reversible capacity, cycling stability, and reaction kinetics compared to using TiO2 as the sulfur host.
FUNCTIONAL MATERIALS LETTERS
(2021)
Review
Materials Science, Multidisciplinary
Zhiyang Xue, Zhengyuan Gao, Xiangyu Zhao
Summary: This review article focuses on the recent progress in electrode materials for halogen storage in battery technologies based on cation, anion, or dual-ion transfer. It covers various materials such as metal (oxy)halides, layered double hydroxides, MXenes, graphite-based materials, and organic materials with carbon or nitrogen redox centers. The challenges and mechanisms of halogen storage in these electrode materials in halide-ion batteries (HIB) and dual-ion batteries (DIB) are summarized and analyzed, providing insights for the development of high-performance halogen storage electrode materials for rechargeable batteries.
ENERGY & ENVIRONMENTAL MATERIALS
(2022)
Article
Chemistry, Physical
Tianchen Xia, Tiantian Zhu, Yingchun Miao, Xiangyu Zhao
Summary: Organic molecules, such as viologens, have shown potential as efficient anion storage materials but are limited by their high solubility. In this study, an insoluble polymerized polyxylylviologen chloride (PXVCl2) was developed as a chloride ion storage electrode in chloride ion batteries. The incorporation of graphene significantly improved the electrode's reaction reversibility and rate capability.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Engineering, Electrical & Electronic
Zhongyuan Feng, Zhengyuan Gao, Zhiyang Xue, Meng Yang, Xiangyu Zhao
Summary: This study investigates the reaction mechanism at the cathode side of an electrolytic Zn-MnO2 battery with different acidity electrolytes, revealing a coexistence of deposition/dissolution and cation intercalation when pH > 0.4. Increasing proton concentration leads to a one-step deposition/dissolution mechanism at the manganese-based cathode, benefiting high discharge voltage and stable coulombic efficiency. This work provides useful electrolyte design for electrolytic Zn-MnO2 batteries.
JOURNAL OF ELECTRONIC MATERIALS
(2022)
Article
Engineering, Electrical & Electronic
Yi Zhang, Yaru Zhang, Liqun Ma, Meng Yang, Xiangyu Zhao
Summary: Layered double hydroxides (LDHs) have high theoretical specific capacity and simple preparation method, but suffer from slow diffusion kinetics and electrochemical instability. By fabricating Cl--intercalated NiCr LDH/rGO composite, the cycling performance and rate capability are improved, showing superior Na+ ion storage performance.
JOURNAL OF ELECTRONIC MATERIALS
(2022)
Article
Nanoscience & Nanotechnology
Chang Zhang, Shijiao Sun, Meifen Wu, Xiangyu Zhao
Summary: Chloride-ion batteries (CIBs) are considered as a promising alternative to lithium-ion batteries due to their abundant resources, high theoretical volumetric energy density, and high safety. This study focuses on exploring suitable cathode materials for CIBs and presents FeOCl nanocrystals embedded in a mesocellular carbon foam (MCF) as a high-performance cathode material. The optimized FeOCl@MCF cathode exhibits a high discharge capacity of 235 mAh g-1 (94% of the theoretical capacity) and retains a reversible capacity of 140 mAh g-1 after 100 cycles, outperforming previous metal (oxy)chloride cathodes.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Nanoscience & Nanotechnology
Fangyu Zhang, Yinlin Shen, Huanhuan Xu, Xiangyu Zhao
Summary: A bismuth nanoparticle-embedded carbon microrod (Bi subset of CM) is developed for high-rate magnesium storage. The Bi subset of CM-120 anode exhibits the best rate performance of magnesium storage compared to other anodes. It also shows good cycling stability.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Yinlin Shen, Yujia Wang, Yingchun Miao, Qiang Li, Xiangyu Zhao, Xiaodong Shen
Summary: An electrolyte design using an anion-incorporated Mg-ion solvation structure is developed to promote the Mg-ion storage reactions of conversion-type cathode materials. The addition of the trifluoromethanesulfonate anion in the Mg-ion electrolyte modulates the solvation structure of Mg2+, facilitating Mg-ion desolvation and significantly expediting the charge transfer of the cathode material. This research provides an efficient strategy for achieving high-rate conversion-type cathode materials for rechargeable magnesium batteries.
ADVANCED MATERIALS
(2023)
Article
Electrochemistry
Yanzhi He, Tianchen Xia, Chang Zhang, Xiangyu Zhao
Summary: Magnesium has potential as an anode material for chloride ion batteries due to its resources, multi-electron reaction feature, and high capacity. However, the passivation of magnesium and formation of insulating MgCl2 discharge product limits its reaction activity. This study introduces the Mg2Sn alloy as an anode material, showing enhanced interfacial activity and improved discharge capacity in the chloride ion battery. Furthermore, the incorporation of graphene nanoplatelets further increases the discharge capacity and improves the cycling performance of the magnesium anode.
JOURNAL OF SOLID STATE ELECTROCHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Lu Zou, Shijiao Sun, Chang Zhang, Xiangyu Zhao
Summary: In this study, a NiTi-LDH@CNT composite was prepared using a reverse microemulsion method and applied in CIBs for the first time. The composite exhibited high specific surface area and pore volume. Electrochemical tests and material analysis showed that the composite performed well as a cathode material for CIBs, with reversible specific capacity and ion migration.
Review
Energy & Fuels
Shixuan Wang, Xiangyu Zhao
Summary: Magnesium-based batteries have emerged as an alternative to conventional lithium-ion batteries due to the use of magnesium metal anodes with high theoretical specific capacity, abundant reserves, and low cost. However, the lack of high-energy cathode materials remains a major hindrance to their application.
Article
Chemistry, Multidisciplinary
Tianchen Xia, Qiang Li, Xiangyu Zhao, Xiaodong Shen
Summary: A dual doping approach using bismuth and chlorine is developed to stabilize the structure of perovskite chloride and achieve efficient chloride ion conduction. The as-prepared dual-doped material maintains its cubic structure under low temperature and high humidity conditions, showing superior performance in various battery systems.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Physical
Yaru Zhang, Mengmeng Li, Hao Li, Yingchun Miao, Meng Yang, Xiangyu Zhao
Summary: By modulating the catholyte and designing a redox mediator, the performance of the multielectron Mn2+/MnO2 cathode reaction can be improved, achieving high-energy aqueous acid-base asymmetric hybrid batteries.