By Gianfranco Pistoia
Batteries for moveable units presents a complete review of all batteries utilized in moveable electrical and digital, in addition to clinical units. those diversity from the cellphone to moveable CD and cardiac pacemakers to distant micro-sensors. the writer seems on the behaviour of batteries within the stipulations encountered within the above purposes. info at the functionality of the latest advertisement batteries are graphically illustrated and comparisons are made. This easy-to-read booklet additionally includes helpful details on issues hardly ever mentioned within the box, resembling battery assortment, recycling and industry tendencies. * comprises an intensive bibliography* contains hardly mentioned themes, comparable to battery assortment and recycling* good illustrated and straightforward to learn
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Extra resources for Batteries for Portable Devices
6 V Thionyl Chloride Non aqueous Inorganic Lithium 4i Discharge Characteristics Jit; H > Energy Volumetric Density Gravimetric Temp. Range Strong Points Applications nU \ Time 1150 Wh/L 390 Wh/kg -10to60°C •For Heavy and Continuous Use •Stable Discharge Curve •Excellent Anti-leakage •High Energy Density •Hearing Aids •Pagers 3^ 2 1 n 3 2 1 3 2 1 • ] I I rj u 750 Wh/L* 260 Wh/kg* -20 to 85°C •High 3V Voltage •Stable Discharge Curve •High Energy Density •Wide Usable Temperature •Superior Long-term Reliability •Memory Backup •Wrist Watches •PDAs •Electric Games •Cameras •Thermometers 670 Wh/L* 330 Wh/kg* -40 to 60°C •For Heavy Duty Use •Wide Usable Temperature •Stable Discharge Curve •Low Self-discharge •Excellent Anti-leakage •Cameras •Automatic Meter Reading •Measuring Instruments * These values are above average and represent maximum performance for these cells.
If this number seems too high, just think about watches, cameras, camcorders, calculators, PDAs, cellular phones, notebook computers, radios, portable TVs, recorders, toys, electronic games, CD and DVD players. None of these devices would exist, at least in their present shapes and performance, if materials science and technology were unable to produce today's batteries. 2 summarize common portable devices and the type of battery mostly used. It can be noted that in some applications primary batteries are used, in some others both can be used and, finally, there are devices that can only be powered by secondary batteries.
0 V. 7), while its use in larger batteries is limited by the high cost of silver. The Zn/Ag2O cells were introduced in 1961 by Union Carbide as power sources for electronic watches. Their rated currents for this application range Primary Batteries 49 from few microamperes for LCD watches to hundreds of microamperes for LED watches. These cells are also used in pocket calculators, hearing aids, cameras, instruments, reference voltage sources, etc. 1. Cell Materials and Electrode Reactions The anode is zinc powder, the cathode is monovalent silver oxide, Ag2O, and the electrolyte is a KOH or NaOH aqueous solution (20-45%).
Batteries for Portable Devices by Gianfranco Pistoia