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Advanced Materials for Rechargeable Lithium Batteries
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Advanced Materials for Rechargeable Lithium Batteries

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".

Deadline for manuscript submissions: closed (30 June 2018) | Viewed by 24772

Special Issue Editor

Prof. Dr. Dong-Won Kim

E-Mail Website
Guest Editor
Department of Chemical Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea
Interests: lithium-ion battery; all-solid-state battery; Li–sulfur battery; Li–air battery; sodium-ion battery; electrochemical capacitor
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Electrical energy storage has become an important theme in our lives in the 21st century.  Among the various energy storage systems, rechargeable lithium-ion batteries have been the most dominant power sources for mobile electronic devices for two decades due to their high-energy density and long cycle life. Recently, new applications, such as electric vehicles and energy storage systems, are gradually emerging in the market. 

The main scientific and technical challenges of rechargeable lithium batteries today are developing and securing the advanced battery materials, such as anodes, electrolytes, separators and cathodes for meeting higher energy density, longer cycle life, low cost and enhanced safety. This Special Issue aims to provide and share recent research and developments on advanced battery materials for rechargeable lithium batteries, which include lithium-ion batteries, as well as next-generation batteries, such as lithium-sulfur, lithium-air and all-solid state lithium batteries. Researches on interfacial reactions and phenomena between electrolytes and electrodes will also be welcomed, because they play an important role in determining the stability, cycle life and safety of rechargeable lithium batteries.  

Contributed papers will be of great interest to researchers working in the field of energy conversion and storage systems, and will provide a cornerstone for the continuous development of relevant technologies and specialized technological reinforcements. We welcome diverse contributions from material scientists and engineers, from universities, research institutes, and industries in these fields.

Prof. Dr. Dong-Won Kim
Guest Editor

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Keywords

  • Lithium-ion battery
  • Lithium-sulfur battery
  • Lithium-air battery
  • All-solid-state lithium battery
  • Battery materials (anode, cathode, electrolyte, separator)
  • Interfacial phenomena
  • Battery design, performance and safety

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Published Papers (3 papers)

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Research

15 pages, 8141 KiB  
Article
Investigation of Physical Phenomena and Cutting Efficiency for Laser Cutting on Anode for Li-Ion Batteries
by Dongkyoung Lee
Appl. Sci. 2018, 8(2), 266; https://doi.org/10.3390/app8020266 - 11 Feb 2018
Cited by 28 | Viewed by 6335
Abstract
Lithium-ion batteries have a higher energy density than other secondary batteries. Among the lithium-ion battery manufacturing process, electrode cutting is one of the most important processes since poor cut quality leads to performance degradation, separator protrusion, and local electric stress concentration. This may, [...] Read more.
Lithium-ion batteries have a higher energy density than other secondary batteries. Among the lithium-ion battery manufacturing process, electrode cutting is one of the most important processes since poor cut quality leads to performance degradation, separator protrusion, and local electric stress concentration. This may, eventually, lead to malfunction of lithium-ion batteries or explosion. The current mechanical cutting technology uses a contact process and this may lead to process instability. Furthermore, there are additional costs if the tools and cell design are changed. To solve these issues, laser cutting has been used. Conventional dependent parameters have limitations in investigating and explaining many physical phenomena during the laser cutting of electrodes. Therefore, this study proposes specific widths such as melting, top, and kerf width. Moreover, the relationship between laser parameters and multiphysical phenomena with the proposed widths are investigated. Five types of classification with regard to physical phenomena are presented and explained with SEM images. Cutting efficiency is estimated with the proposed widths. The proposed specific cutting widths, five types of geometrical classification, and cutting efficiency can be used as standardized parameters to evaluate the cutting quality. Full article
(This article belongs to the Special Issue Advanced Materials for Rechargeable Lithium Batteries)
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9 pages, 3007 KiB  
Article
Highly Graphitic Carbon Nanofibers Web as a Cathode Material for Lithium Oxygen Batteries
by Hyungkyu Han, Yeryung Jeon, Zhiming Liu and Taeseup Song
Appl. Sci. 2018, 8(2), 209; https://doi.org/10.3390/app8020209 - 31 Jan 2018
Cited by 10 | Viewed by 5236
Abstract
The lithium oxygen battery is a promising energy storage system due to its high theoretical energy density and ability to use oxygen from air as a “fuel”. Although various carbonaceous materials have been widely used as a cathode material due to their high [...] Read more.
The lithium oxygen battery is a promising energy storage system due to its high theoretical energy density and ability to use oxygen from air as a “fuel”. Although various carbonaceous materials have been widely used as a cathode material due to their high electronic conductivity and facial processability, previous studies mainly focused on the electrochemical properties associated with the materials (such as graphene and carbon nanotubes) and the electrode configuration. Recent reports demonstrated that the polarization associated with cycling could be significantly increased by lithium carbonates generated from the reaction between the carbon cathode and an electrolyte, which indicates that the physicochemical properties of the carbon cathode could play an important role on the electrochemical performances. However, there is no systematic study to understand these phenomena. Here, we systematically explore the electrochemical properties of carbon nanofibers (CNF) webs with different graphitization degree as a cathode for Li oxygen batteries. The physicochemical properties and electrochemical properties of CNF webs were carefully monitored before and after cycling. CNF webs are prepared at 1000, 1200 and 1400 °C. CNF web pyrolyzed at 1400 °C shows lowered polarization and improved cycle retention compared to those of CNF webs pyrolyzed at 1000 and 1200 °C. Full article
(This article belongs to the Special Issue Advanced Materials for Rechargeable Lithium Batteries)
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Graphical abstract

20 pages, 4455 KiB  
Article
Investigation into the Fire Hazards of Lithium-Ion Batteries under Overcharging
by Dongxu Ouyang, Jiahao Liu, Mingyi Chen and Jian Wang
Appl. Sci. 2017, 7(12), 1314; https://doi.org/10.3390/app7121314 - 18 Dec 2017
Cited by 70 | Viewed by 12398
Abstract
Numerous lithium-ion battery (LIB) fires and explosions have raised serious concerns about the safety issued associated with LIBs; some of these incidents were mainly caused by overcharging of LIBs. Therefore, to have a better understanding of the fire hazards caused by LIB overcharging, [...] Read more.
Numerous lithium-ion battery (LIB) fires and explosions have raised serious concerns about the safety issued associated with LIBs; some of these incidents were mainly caused by overcharging of LIBs. Therefore, to have a better understanding of the fire hazards caused by LIB overcharging, two widely used commercial LIBs, nickel manganese cobalt oxide (NMC) and lithium iron phosphate (LFP), with different cut-off voltages (4.2 V, 4.5 V, 4.8 V and 5.0 V), were tested in this work. Some parameters including the surface temperature, the flame temperature, voltage, and radiative heat flux were measured and analyzed. The results indicate that the initial discharging voltage increases with the growth of charge cut-off voltage. Moreover, the higher the cut-off voltage, the longer the discharging time to reach 2.5 V. An overcharged LIB will undergo a more violent combustion process and has lower stability than a normal one, and the increasing cut-off voltage aggravates the severity. In addition, it is also revealed that the NMC fails earlier than the LFP under the same condition. The temperatures for safety vent cracking, ignition, and thermal runaway of LIBs exhibit similar values for the same condition, which demonstrates that the LIB will fail at a certain temperature. Finally, the peak heat flux, total radiative heat flux, and total radiative heat will rise with the increase in voltage. Full article
(This article belongs to the Special Issue Advanced Materials for Rechargeable Lithium Batteries)
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