TAILIEUCHUNG - Chapter 18 - Lithium Batteries: The Latest Variant of Portable Electrical Energy

During the last two decades of the 20th century the lithium battery technique played a more and more important part in the market,1 at first for the more expensive special applications as, . the military and air- and spacecraft technologies. Its technique is one of the more recent results of research and development in the fields of applied electrochemistry. New products like lithium batteries were accessible because of the progress in chemistry, physics, materials sciences, analytics, measurement and control technology, and finally production technology, leading to something new even if this was based on old ideas. . | 18 Lithium Batteries The Latest Variant of Portable Electrical Energy W. JACOBI INTRODUCTION During the last two decades of the 20th century the lithium battery technique played a more and more important part in the market 1 at first for the more expensive special applications as . the military and air- and spacecraft technologies. Its technique is one of the more recent results of research and development in the fields of applied electrochemistry. New products like lithium batteries were accessible because of the progress in chemistry physics materials sciences analytics measurement and control technology and finally production technology leading to something new even if this was based on old An important stimulus for the new batteries was the need for small and lightweight energy sources for portable electronic devices which have become smaller and smaller by the tremendous progress of miniaturization in our electronic age. So the scientifically and technically manageable product found its wide market. The miniaturization of consumer electronics and their mechanical parts has to be addressed first. 1 The extensive overviews of Refs. 1 5 6 and 9 are recommended to everybody who is interested in more electrochemical and technical details. In the past the battery industry regularly reported on lithium batteries in Boca Raton Florida too 10 . 2 The history of the lithium technology was described in more detail by Klaus Eberts in Ref. 11. Several of his figures have been adopted in this article. Copyright 2003 by Expert Verlag. All Rights Reserved. Some desirable or necessary applications became accessible for the first time by lithium batteries . the cardiac pacemaker requires batteries with negligible selfdischarge and extremely high reliability for service periods of 5 to 10 years. A control and display unit may be powered for all its service life of about 10 years by only one primary battery which needs not to be changed before the whole unit is

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