A short review on electrode materials and processing of Lithium-ion battery (original) (raw)
Related papers
University of Wollongong Investigations on electrode materials for lithium- ion batteries
I would like to express my sincere gratitude and appreciation to my supervisors, Professor H. K. Liu, Professor Doug Bradhurst and Professor S. X. Dou for their consistent academic supervision, guidance and encouragement as well as financial support throughout my Ph. D project. I wish to thank technical officers, Mr. Carlo Rossi, Mr. N. Mackie and Mr. G. Tillman for their invaluable help with my experimental procedures. My sincere thanks should also go to Dr. M. Ionescu and Dr. S. Zhong for their technical support and suggestions in carrying out all of my experimental work. Furthermore, I would like to thank Dr. Shane J. Kennedy at ANSTO for assistance with neutron diffraction measurements on some of the electrode materials. I deeply appreciate Australian DEET for providing me the OPRS Scholarship, the Institute for Superconducting & Electronic Materials for providing the Energy Storage Materials Matching Scholarship. Finally, I would like to express my grateful acknowledgement to my parents and parents-in-law for their encouragement and support. Specially I wish to give my deepest gratitude and great appreciation to my wife Jan Yao and my daughter Mandy Wang for their love, understanding and patience.
Materials and Processing of Lithium-Ion Battery Cathodes
Nanoenergy Advances
Lithium-ion batteries (LIBs) dominate the market of rechargeable power sources. To meet the increasing market demands, technology updates focus on advanced battery materials, especially cathodes, the most important component in LIBs. In this review, we provide an overview of the development of materials and processing technologies for cathodes from both academic and industrial perspectives. We briefly compared the fundamentals of cathode materials based on intercalation and conversion chemistries. We then discussed the processing of cathodes, with specific focuses on the mechanisms of a drying process and the role of the binders. Several key parameters for the development of thick electrodes were critically assessed, which may offer insights into the design of next-generation batteries.
Journal of Power Sources, 2001
In the present paper the electrochemical behavior, as cathodes, of the inverse spinels of general formula LiCo y Ni (1Ày) VO 4 has been studied in comparison with other mixed oxides, in which V is substituted by Sb (LiCoSbO 4 ) and Ni and Co by Mn (LiMnVO 4 ). The experimental ®ndings showed that the oxides LiCo y Ni (1Ày) VO 4 are promising cathode materials. The other samples did not show good results: their structures proved to be irreversibly modi®ed in some way by Li-ion deintercalation. This problem, seemingly, cannot be overcome by changing synthesis parameters. The preliminary series of tests, whose results are here reported, served as a ®rst insight in the relations that tie method of preparation, morphology, crystallochemical and intercalation±deintercalation properties together. #
A review of cathode and anode materials for lithium-ion batteries
SoutheastCon 2016, 2016
Lithium ion batteries are one of the most commercially sought after energy storages today. Their application widely spans from Electric Vehicle (EV) to portable devices. Their lightness and high energy density makes them commercially viable. More research is being conducted to better select the materials for the anode and cathode parts of Lithium (Li) ion cell. This paper presents a comprehensive review of the existing and potential developments in the materials used for the making of the best cathodes, anodes and electrolytes for the Liion batteries such that maximum efficiency can be tapped. Observed challenges in selecting the right set of materials is also described in detail. This paper also provides a brief history of battery technology and their wide applicability in the energy market today, the chemistry and principle of operation behind the batteries, and their potential applications even beyond the energy sector. Safety concerns related to Li-ion batteries have also been taken into account considering recent events.
Journal of Energy Chemistry, 2017
Lithium ion batteries (LIBs) are currently best energy storage devices providing rechargeable electrical storage to wide variety of applications-from portable electronics to automobiles. Though, these batteries are fully adopted, widely used and commercialized, but researchers are still extensively working on their constituent materials and developing technology to improve their performance. A major part of related research activities is devoted to the electrode of the battery for improvement in its performance thereby addressing issues like safety, lifetime, specific capacity, energy density and most importantly abundance and cost. There are number of cathode materials that have been proposed and tested at laboratory scale and subsequently utilized in commercialized batteries ever since the appearance of LIBs. Owing to the availability of improved computational resources in the last decade, first principles calculation has become a reliable tool and played a vital role to predict the material properties of electrodes prior to their experimental analysis. This review gives a comprehensive insight and thorough analysis of the global research effort s related to the cathode materials based on first principles framework, sheds light on current status of knowledge and explores the ways forward.
A Novel Coating Technology for Preparation of Cathodes in Li-Ion Batteries
Electrochemical and Solid State Letters, 2001
Cathodes for Li-ion batteries were prepared using a novel coating technology. First, on the surface of active cathode particles ͑Li cobalt oxide, Li manganese oxide etc.͒ dispersed in a solution a thin film of a polyelectrolyte ͑e.g., gelatin͒ is adsorbed. Onto each gelatin-coated active particle, about one layer of highly conducting submicrometers carbon black particles is deposited. In the final step, the carbon black-and gelatin-coated particles are glued together using an additional amount of a polyelectrolyte ͑gelatin, cellulose, etc.͒. Due to optimized distribution of carbon black and binder, the final composite material can contain up to 96 wt % of active material, and only 2 wt % of gelatin and 2 wt % of carbon black. The polarization of cathodes prepared by the new technology is considerably lower than that of conventional cathodes. On the other hand, the cycling behavior of both electrode types and the surface-to-surface resistivity of the corresponding dry pellets are similar. Based on microimpedance measurements, these results are explained in terms of a simple model referring to a different distribution of carbon black particles in the newly and conventionally prepared cathodes.
Comparative Issues of Cathode Materials for Li-Ion Batteries
Inorganics, 2014
After an introduction to lithium insertion compounds and the principles of Li-ion cells, we present a comparative study of the physical and electrochemical properties of positive electrodes used in lithium-ion batteries (LIBs). Electrode materials include three different classes of lattices according to the dimensionality of the Li + ion motion in them: olivine, layered transition-metal oxides and spinel frameworks. Their advantages and disadvantages are compared with emphasis on synthesis difficulties, electrochemical stability, faradaic performance and security issues.