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Ethylene carbonate

About: Ethylene carbonate is a research topic. Over the lifetime, 4931 publications have been published within this topic receiving 135547 citations.


Papers
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Journal ArticleDOI
TL;DR: The phytochemical properties of Lithium Hexafluoroarsenate and its Derivatives are as follows: 2.2.1.
Abstract: 2.1. Solvents 4307 2.1.1. Propylene Carbonate (PC) 4308 2.1.2. Ethers 4308 2.1.3. Ethylene Carbonate (EC) 4309 2.1.4. Linear Dialkyl Carbonates 4310 2.2. Lithium Salts 4310 2.2.1. Lithium Perchlorate (LiClO4) 4311 2.2.2. Lithium Hexafluoroarsenate (LiAsF6) 4312 2.2.3. Lithium Tetrafluoroborate (LiBF4) 4312 2.2.4. Lithium Trifluoromethanesulfonate (LiTf) 4312 2.2.5. Lithium Bis(trifluoromethanesulfonyl)imide (LiIm) and Its Derivatives 4313

5,710 citations

Journal ArticleDOI
TL;DR: In this paper, Li/graphite and Li/petroleum coke cells using a in a 50:50 mixture of propylene carbonate (PC) and ethylene carbonates (EC) electrolyte exhibit irreversible reactions only on the first discharge.
Abstract: Li/graphite and Li/petroleum coke cells using a in a 50:50 mixture of propylene carbonate (PC) and ethylene carbonate (EC) electrolyte exhibit irreversible reactions only on the first discharge. These irreversible reactions are associated with electrolyte decomposition and cause the formation of a passivating film or solid electrolyte interphase on the surface of the carbon. The amount of electrolyte decomposition is proportional to the specific surface area of the carbon electrode. When all the available surface area is coated with the film of decomposition products, further decomposition reactions stop. In subsequent cycles, these cells exhibit excellent reversibility and can be cycled without capacity loss.

1,245 citations

Patent
08 Oct 1999
TL;DR: In this paper, a battery with a discharge capacity less decreased during charge/discharge by making it up of a positive electrode of a composite electrode with a positive-electrode layer comprising thiocyanuric acid and a conductive material and borne by metallic copper, a separator of a high-polymer electrolyte, and a negative electrode made of lithium.
Abstract: PROBLEM TO BE SOLVED: To provide a battery with a discharge capacity less decreased during charge/discharge by making it up of a positive electrode of a composite electrode with a positive-electrode layer comprising thiocyanuric acid and a conductive material and borne by metallic copper, a separator of a high-polymer electrolyte, and a negative electrode made of lithium. SOLUTION: As a conductive material, polyaniline, polypyrrole, or acetylene black is preferable. For a positive-electrode layer 13C, thiocyanuric acid, polyaniline, polypyrrole, and acetylene black are mixed at ratios of 3:0 to 2:0 to 0.5:0 to 1. A high-polymer electrolyte includes ethylene carbonate and propylene carbonate. A positive electrode is made by forming the positive- electrode layer 13c including thiocyanuric acid on a base-material current collector 13b made of copper on a positive-material current collector 13a made of titan or the like. A negative electrode is made by forming a negative-electrode layer 14b made of lithium on a negative-material current collector 14a made of titan, etc. A solid electrolyte 15 separates the positive electrode from the negative electrode by a mixed organic electrolytic solution of EC, PC, etc., and by LiBF4 or the like.

899 citations

Journal ArticleDOI
TL;DR: In this article, the performance of Chinese human hair carbonized at 800 °C exhibited high charge storage capacity with a specific capacitance of 340 F g−1 in 6 M KOH at a current density of 1 A g− 1 and good stability over 20 000 cycles.
Abstract: Heteroatom doped porous carbon flakes were prepared via carbonization of Chinese human hair fibers and employed for high-performance supercapacitor electrode materials. The morphology and chemical composition of the resultant carbon materials were characterized by electron microscopy (EM), energy-dispersive X-ray spectroscopy (EDX), and X-ray photoelectron spectroscopy (XPS) measurements. Human hair carbonized at 800 °C exhibited high charge storage capacity with a specific capacitance of 340 F g−1 in 6 M KOH at a current density of 1 A g−1 and good stability over 20 000 cycles. The specific capacitance of 126 F g−1 is also verified in a 1 M LiPF6 ethylene carbonate/diethyl carbonate (EC/DEC) organic electrolyte at a current density of 1 A g−1. The high supercapacitor performance could be due to the micro/mesoporosity combined with high effective surface area and heteroatom doping effects, combining double layer and Faradaic contributions.

867 citations

Journal ArticleDOI
Doron Aurbach1, Boris Markovsky1, I. Weissman1, Elena Levi1, Yair Ein-Eli 
TL;DR: In this paper, the performance of graphite electrodes with diAerent electrolyte solutions (e.g., ethylene carbonate-based solutions, propylene carbonates, and ether-based systems) is discussed.

858 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
2023135
2022230
2021163
2020202
2019234
2018275