Article
Chemistry, Physical
Jing Wang, Haowen Liu, Hengcai Wu, Qunqing Li, Yuegang Zhang, Shoushan Fan, Jiaping Wang
Summary: Research shows that using carbon nanotube aerogels coated with amorphous carbon can improve the practical application of lithium metal anodes by providing a solid structure to reduce local current density, suppress lithium dendrites growth, and achieve better electrochemical performance.
Article
Chemistry, Physical
Qinqin Zeng, Qiannan Huang, Zihao Luo, Ao Liu, Haoqin Li, Mingfeng Zhong, Zhijie Zhang
Summary: In this study, a novel sandwich network structure silicon-carbon composite anode material was developed, which exhibited high specific surface area, excellent cycle stability, and a high reversible specific capacity, making it a promising candidate for lithium-ion batteries.
Article
Materials Science, Ceramics
Wan-Xin Wen, Yun Xie, Hua-Ying Wang, Bo-Han Zhang, Yun-Lei Hou, Jing-Zhou Chen, Dong-Lin Zhao
Summary: In this study, a metal-organic framework (MOF) was used as a template to encapsulate in graphene aerogels (GA), forming Co3O4 micro-cubes@GA composite. GA acts as a conductive network and mechanical skeleton, providing high electrical conductivity and structural stability. The best long cycle life of Co3O4 microcubes@GA was achieved with a graphene oxide (GO) concentration of 3.0 mg ml(-1), reaching a high specific capacity of 1234.9 mAh g(-1) after 200 cycles.
CERAMICS INTERNATIONAL
(2023)
Article
Chemistry, Physical
K. P. Lakshmi, R. Deivanayagam, M. M. Shaijumon
Summary: A composite of antimony oxide microstructures encapsulated in graphene aerogel, interconnected by a network of carbon nanotubes, shows excellent electrochemical performance as an anode for sodium and lithium ion batteries. The unique star-shaped Sb2O3 microstructures are synthesized through a facile hydrothermal method, exhibiting stable specific capacity over 100 cycles. The study investigates the reaction kinetics upon sodiation and attempts to probe the underlying electrochemical charge storage mechanism using ex-situ techniques.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Changsheng Song, Baoxun Zhao, Siyu Chen, Jinyang Ma, Hongbin Du
Summary: A new method for preparing silicon-nickel-carbon composites with high mechanical strength and ion diffusivity has been developed, improving the performance of lithium-ion batteries. The composites show stable performance during long-term cycling and exhibit better capacity retention compared to conventional materials.
Article
Chemistry, Physical
Jie Yang, Cuiping Gu, Mengmeng Zhao, Chunyu Meng, Xiaojing Lu, Haibo Ren, Sang Woo Joo, Jiarui Huang
Summary: In this study, Ga2O3 nanotubes coated with N-doped carbon layers were prepared using MoO3 nanorods as sacrificial templates followed by a poly-dopamine coating and heat treatment process. The resulting tubular structure provided cavities for volume changes of the Ga2O3 and shortened the migration path of Li ions and electrons, leading to improved cycling stability and rate performance of the battery.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Diganta Saikia, Juti Rani Deka, Bing-Jyun Lu, Yi-Ching Chen, Jia-Wei Lian, Hsien-Ming Kao, Yung-Chin Yang
Summary: A new strategy is introduced to synthesize 3D interconnected mesoporous biomass-derived carbon using mesoporous silica as the template. Pinecone-derived carbon is successfully synthesized using mesoporous silica KIT-6 as the template. Different chemical reagents, H3BO3, K2CO3, and KOH, are employed to prepare chemically activated pinecone-derived carbons. The template-assisted pinecone-derived carbon exhibits excellent discharge capacities and long-term cycling stability in lithium-ion batteries, while also showing great potential in sodium-ion batteries.
JOURNAL OF POWER SOURCES
(2023)
Review
Chemistry, Multidisciplinary
Manoj Muraleedharan Pillai, Nathiya Kalidas, Xiuyun Zhao, Vesa-Pekka Lehto
Summary: This review paper focuses on the development of Si and carbon anodes derived from various types of biogenic sources, particularly from plant-derived biomass resources. The biomass precursors, process/extraction methods for producing Si and carbon, the critical physicochemical properties influencing the lithium storage in LIBs, and how they affect the electrochemical performance are highlighted. The review paper also discusses the current research challenges and prospects of biomass-derived materials in developing advanced battery materials.
FRONTIERS IN CHEMISTRY
(2022)
Article
Chemistry, Physical
Ji Ma, Yuankun Li, Xiaojie Wei, Chunting Liu
Summary: Reduction roasting strategy was employed to transform hematite into powerful anode materials to store Li+, Na+, and K+ ions, constructing a porous structure to enhance ion accessibility. The newly-designed anodes were tested for storage capacity, cycling stability, and rate performances, while cyclic voltammetry curves and electrochemical impedance spectra were measured to unveil ion-storage mechanisms.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Multidisciplinary
Pengfei Su, Ziqi Zhang, Linshan Luo, Zhiyong Zhang, Chaofei Lan, Yahui Li, Shaowen Xu, Xiang Han, Guangyang Lin, Cheng Li, Wei Huang, Songyan Chen
Summary: This study proposes a method combining silicon nanowire array structures with carbon nanomaterials to manufacture flexible and stretchable silicon anodes. The anodes exhibit excellent electrochemical performance and cycling stability, making them suitable for high-loading flexible energy-storage devices.
Article
Engineering, Environmental
Zhiwei Yang, Lang Qiu, Mengke Zhang, Yanjun Zhong, Benhe Zhong, Yang Song, Gongke Wang, Yuxia Liu, Zhenguo Wu, Xiaodong Guo
Summary: This study prepared an in-situ doped Si/carbon anode material using SiO2 and CO2 as raw materials, achieving nanosizing of silicon and construction of a 3D carbon network, which improved electrical conductivity and cycling performance of the battery. The simple preparation method provides a new idea for modifying silicon-based anode materials, offering valuable insights for further research on carbon doping.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
So Yeun Kim, Chang Hyo Kim, Cheol-Min Yang
Summary: Si-based composites wrapped in multiple graphene shells were successfully fabricated as binder-free anodes for Li-ion batteries, exhibiting high initial discharge capacity, excellent cyclic stability, and superior rate capability. The multilayered structure contributed to the enhanced performance of the LIBs and could potentially advance the development of high-performance LIBs for electric vehicles.
JOURNAL OF POWER SOURCES
(2021)
Article
Chemistry, Analytical
Jiarui Huang, Qingshan Dai, Chengjie Cui, Hiabo Ren, Xiaojing Lu, Yong Hong, Sang Woo Joo
Summary: A cake-like porous Fe3O4 coated with a carbon layer (Fe3O4@C nanocakes) has been prepared and used as an anode for lithium-ion batteries (LIBs). The Fe3O4@C nanocakes show superior electrochemical properties and rate behavior, making them a potential electrode for LIBs with high specific capacities.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2022)
Review
Thermodynamics
Niloofar Soltani, Amin Bahrami, Lars Giebeler, Thomas Gemming, Daria Mikhailova
Summary: This review highlights recent advances in using carbon extracted from various biomass sources in rechargeable Li-, Na-, and K-ion batteries. Maximizing the energy and power densities as well as the lifetime of carbon anodes require an exploration of the right balance between carbon structures, pore morphology, chemical composition and alkali metal-ion storage. Electrode materials based on biomass-derived carbon in alkali-metal-ion batteries may allow not only technical breakthroughs, but also ethically and socially acceptable products.
PROGRESS IN ENERGY AND COMBUSTION SCIENCE
(2021)
Article
Energy & Fuels
Liqing Wu, Liu Feng, Xiaoxuan Mao, Jinye Niu, Wuhong Xin, Dong Wang
Summary: An MoS2-Mo2C heterostructure was implanted into a porous carbon aerogel, which showed good long-term cycling stability and superb rate performance as a lithium-ion battery anode. With a large specific capacity of 598.1 mAh g-1 at 2.0 A g-1, this material exhibits great potential for application in LIBs and other energy-related fields.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Chemistry, Physical
C. P. Sandhya, Bibin John, C. Gouri, H. Sreemoolanadhan, Sushant K. Manwatkar
Review
Polymer Science
Bibin John, Gouri Cheruvally
POLYMERS FOR ADVANCED TECHNOLOGIES
(2017)
Article
Chemistry, Multidisciplinary
Patteth S. Salini, Sumol Gopinadh, Athira Kalpakasseri, Bibin John, Mercy Thelakkattu Devassy
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2020)
Review
Chemistry, Physical
V Anoopkumar, Bibin John, T. D. Mercy
ACS APPLIED ENERGY MATERIALS
(2020)
Article
Chemistry, Inorganic & Nuclear
M. Akhilash, P. S. Salini, K. Jalaja, Bibin John, T. D. Mercy
Summary: A Li-rich cathode material, Li1.5Ni0.25Mn0.75O2.5, with a well-ordered layered structure was successfully synthesized using a simple carbonate co-precipitation method followed by calcination. SEM analysis showed cylinder-shaped particles with diameter in the range 100-350 nm, and electrochemical evaluation revealed an initial specific capacity of around 240 mAhg(-1) at C/20 rate.
INORGANIC CHEMISTRY COMMUNICATIONS
(2021)
Review
Chemistry, Physical
M. Akhilash, P. S. Salini, Bibin John, T. D. Mercy
Summary: This review provides an overview of different layered cathode materials for lithium-ion batteries, from the first generation LiCoO2 to the latest Li-rich layered cathode materials. It discusses the effects of cathode structure, morphology, transition metals, and doping of different metal ions on the performance of lithium-ion batteries. Various challenges and issues in developing cathode materials with higher energy densities for commercial applications are also highlighted.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Multidisciplinary
Ravindra Kumar Bhardwaj, Homen Lahan, Venkataraman Sekkar, Bibin John, Aninda J. Bhattacharyya
Summary: A sulfur battery free of lithium-metal and sulfur cathode has been developed, with lithiated anatase titanium dioxide as the anode and lithium sulfide and carbon aerogel as the cathode. In operando Raman spectroscopy confirmed the activation of Li2S and its conversion to S-8, while UV-vis spectroscopy showed high retention of polysulfides inside the cathode. The battery demonstrated remarkable electrochemical performance at different current rates.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2022)
Review
Materials Science, Biomaterials
Bibin John, C. P. Reghunadhan Nair
Summary: Syntactic foams, low density composites consisting of hollow microballoons or microspheres dispersed in a matrix, offer tunable properties by selecting different matrix and filler materials. Phenolic resins, with their high thermal stability and structural integrity, have attracted researchers' attention as a matrix material for syntactic foams. This review provides an overview of phenolic syntactic foams, including various types and applications.
Review
Energy & Fuels
Akhilash Mohanan Pillai, Patteth S. Salini, Bibin John, Mercy Thelakkattu Devassy
Summary: This review provides a practical guide for the development of aqueous binder based cathodes for lithium ion cells, discussing the need, challenges, and recent developments in this field.
Article
Chemistry, Inorganic & Nuclear
K. Johnson, J. Pushparajan, P. M. Anjana, Sumol Gopinadh, V Anoopkumar, V. R. L. Phanendra Peddinti, Bibin John, T. D. Mercy
Summary: In this study, lithium titanate (LTO) material was synthesized using the sol-gel method and characterized. The electrochemical evaluation showed that the pristine LTO material retained over 90% of its capacity at a high current rate of 20C.
INORGANIC CHEMISTRY COMMUNICATIONS
(2022)
Article
Green & Sustainable Science & Technology
Sumol Gopinadh, Peddinti V. R. L. Phanendra, Bibin John, T. D. Mercy
Summary: The increasing demand for efficient energy storage devices has led researchers to explore alternative systems that can outperform Li-ion batteries in terms of energy density. Recent studies have shown that fluoride ion batteries have the potential to provide energy densities more than eight times that of current Li-ion batteries. However, further advancements are needed in the performance of the electrode and electrolyte for fluoride ion batteries to reach their full potential.
SUSTAINABLE MATERIALS AND TECHNOLOGIES
(2022)
Article
Energy & Fuels
Akhilash Mohanan Pillai, Patteth S. Salini, Bibin John, Jayalatha Jayalatha T, Sujatha SarojiniAmma, Mercy Thelakkattu Devassy
Summary: A novel high-capacity Li-rich cathode material Li1.17Ni0.34Mn0.5O2 was synthesized through a simple carbonate co-precipitation method. The material exhibited well-defined chemical composition, structure, and morphology, with a porous structure that facilitated electrolyte infiltration and lithium-ion diffusion. It showed excellent electrochemical performance at different rates, making it a promising candidate for high energy density lithium-ion cells.
Article
Energy & Fuels
Akhilash Mohanan Pillai, Patteth S. Salini, Bibin John, C. Suchithra, Sujatha Sarojiniamma, Mercy Thelakkattu Devassy
Summary: This study synthesized Li1.17Ni0.17Co0.17Mn0.5O2 (NCMO) cathode material using a carbonate co-precipitation method, and found that 950 degrees C was the optimum calcination temperature. The electrochemical studies showed that NCMO-950 material delivered the highest discharge capacity at C/10 rate, maintained high Coulombic efficiency and capacity retention after 100 cycles at C/10 rate, and exhibited excellent rate performance.
Article
Nanoscience & Nanotechnology
C. P. Sandhya, Bibin John, C. Gouri
JOURNAL OF SCIENCE-ADVANCED MATERIALS AND DEVICES
(2017)
Article
Polymer Science
Zhongming Yuan, Hiroko Yamamoto, Shinji Kanehashi, Takeshi Shimomura
Summary: This study reports the synthesis of a flexible light-emitting polymer film using a solution blending method. The selective positioning of MEH-PPV molecules in the PS phase of the film was confirmed. The film exhibited a nanometer-scale luminescent domain with low aggregation quenching and showed good elastomeric characteristics.
POLYMERS FOR ADVANCED TECHNOLOGIES
(2024)