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General
- A battery pack is
a set of any number of (preferably) identical batteries or
individual battery cells.
- Components of
battery packs include the individual batteries or cells, and the
interconnects which provide electrical conductivity between them.
- Packs are often
simpler for end users to repair or tamper with than a sealed
non-serviceable battery or cell.
- It is common for
battery pack vendors to use cells from a variety of manufacturers.
- It is a Portable
power packs that snap into various cordless tools, ranging in
voltages from 3.6V to 36V.
Operating
Process
- Cells and
batteries are tested at multiple stages of the development and
productions process: cells are qualified for a particular battery
design; then each battery is tested after being assembled and, prior
to shipment, is retested in-system.
- Customized
batteries meet size, weight, and performance needs, and can include
safety features, and tailored functions such as runtime indicators,
authentication functions, and data logging, if the user chooses.
- A battery's
recoverable capacity decreases slightly depending on the depth of
the discharge. As the battery cycles, it can no longer deliver 100%
of its rated capacity.
- The most common
battery type used in today’s electronic products are Lithium “button
cell” batteries.
- Batteries or
battery packs must show no signs of leakage or corrosion.
Applications
- Smart battery
systems, or battery systems that can communicate back to the host,
are the preferred choice in mission-critical applications, as it has
the ability to monitor its status, accurately predict its remaining
run time, and communicate its operational status to the host device.
- Lithium-Ion
batteries, with several critical advantages over their traditional
competitors by being much lower weight, higher efficiency, and less
leakage, are playing more important role in industrial applications.
- Lithium batteries
are often preferred for high current-pulse marine applications due
to their inherent long life and high energy density.
- Every notebook PC
platform has its own battery pack design to meet the specific
platform design requirements. This approach incurs redundant time,
effort, and expense to the platform design and integration.
Technology
- The battery pack
is capable of supporting future battery technologies like Prismatic
cells.
- The most common
technique used today for battery capacity monitoring is coulomb
counting, tracking the current into and out of the battery.
- A novel divide
and conquer technique is developed to efficiently apply
pulse-charging method in high-capacity battery pack applications.
- “Galvanostatic”
technique involves driving a constant current into the battery. This
method can be used to charge the battery quickly and is simple to
implement.
Market
- A Company will
manufacture smart battery packs on new production lines at the
Company's manufacturing facility in Korea.
The worldwide battery pack market is highly fragmented, It is
believed that substantial opportunity exists for a well-funded
operation done by one company.
- World Battery &
Fuel Cell Chemicals and Materials market is projected to maintain a
strong CAGR of 6.7% over 2001-2010 to reach US$21.2 billion by 2010.
- Japan, with a
share estimated at 29.04% in 2006, constitutes the largest market,
while Asia-Pacific, with a CAGR of 9.39% over 2001-2010, represents
the fastest growing market for battery & fuel cell chemicals and
materials.
- Many battery
manufacturers are turning towards high performance rechargeable
batteries and adapting them according to the demand. As the market
for these batteries is growing, the demand for chemicals and
materials used in the production of these batteries is also growing
by leaps and bounds.
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