With the development of microelectronics technology in the 20th century,
the number of miniaturized devices is increasing, and high demands are placed on
power supplies. Lithium power batteries have subsequently entered a large-scale
practical stage. It was first applied in cardiac pacemakers. As the
self-discharge rate of lithium power battery is extremely low, the discharge
voltage is gentle. Making it possible for pacemakers to be implanted into the
human body for long-term use.
Lithium power batteries generally have a nominal voltage higher than 3.0
volts, making them more suitable for use as integrated circuit power supplies.
Manganese dioxide batteries are widely used in computers, calculators, cameras,
and watches.
Lithium power batteries are widely used in mobile phones and can be said to
be the largest application group.
Example:
1. There are many battery packs used as replacement for battery pack
maintenance, such as those used on laptops. After repair, it was found that only
a few batteries were damaged. Suitable single lithium batteries can be selected
for replacement.
2. The author used a single 3.6V1.6AH lithium battery and a white ultra
high brightness LED to create a miniature flashlight, which is convenient to use
and compact and beautiful. Moreover, due to the large capacity of the battery,
it is used for an average of half an hour every night and has been in use for
over two months without the need for charging.
3. Replace the 3V power supply. Due to the voltage of a single lithium
battery being 3.6V. Therefore, just one lithium battery can replace two ordinary
batteries to power small household appliances such as radios, walkman, cameras,
etc. It is not only lightweight, but also has a long continuous use time.
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