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Li-ion Batteries. LITERATURE PROJECT ... differences. The first commercial Li-ion batteries,
introduced in 1990 by the Sony Corporation, used LiCoO2. In ...
... 7.1 20 180 17 3x 6 ISO 2000 8 2.5 2.5 Li ion 10 125 5 68 Canon Powershot A560 7.1
20 140 13 4x 7 ISO 1600 7 2.5 2.5 2xAA type alkaline batteries (Included) 4 ...
... As Johnson Controls begin to move into NiMH and Li batteries, a logical ... by creating
a laboratory devoted specifically to NiMH and Lithium ion batteries. ...
... the alternative. Currently we have two main batteries to offer:
Lithium-ion (Li-Ion) and Nickel-metal hydride (NiMH). Lithium-Ion ...
... PC technology has significantly improved over the recent years with the introduction
of Windows XP Tablet PC Edition, Li-Ion/polymer batteries for battery life ...
Submitted by alex_langmuir on December 2, 2007
Category: Science
Words: 10207 | Pages: 41
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LITERATURE PROJECT CHEM3004
LITHIUM-ION BATTERIES
Abstract
Technology is striving to keep up with today's society. We continuously require smaller, lighter and more autonomous equipment. The rechargeable lithium ion battery is the most important factor in determining the rate of development of modern day consumer electronics. Perhaps not surprisingly the transport of lithium ions (Li+) remains the preferred technology to achieve this. As a result and for the purpose of this review, only the Li-ion battery (rather than the Li-metal battery) will be considered. This contribution is interested in presenting the issues and challenges this technology has and will encounter. Given the huge volume of literature published on this subject, this report cannot aim to cover everything, for example, experimentals are not a point of focus. As a result, an introduction describing the way these batteries generically function will be presented and thereof the individual components of a Li-ion battery will be considered; the positive and negative electrodes and the electrolyte. Additionally the importance of this field of research given today's world will be described alongside some crucial applications. Whatever the measures for the performance of a battery, they will always be related to the inherent properties of the materials used to construct it. As an example, the life of a cell is dependent upon the interaction of the electrodes and the electrolyte and the safety is a measure of the stability of the electrode materials and interfaces. Traditionally, and bearing in mind that only Li-ion batteries are considered, the positive electrode must act as source of lithium ions, requiring the used of air-stable Li-based intercalation compounds . These are used because the lithium can reversibly de-intercalate at high potential differences. The first commercial Li-ion batteries, introduced in 1990 by the Sony Corporation, used LiCoO2. In...
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