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Batería de polímero de litio

Lithium polymer batteries

The first choice as energy storage for mobile devices.

Batería de polímero de litio
Type
Ca­pac­ity (mAh)
Volt­age (V)
Size (mm)
TWL
 
LP906090JH
6,000
3.70
9.060.592.0
 
Type
LP906090JH
Ca­pac­ity (mAh)
6,000
Volt­age (V)
3.70
Array
T, W, L
9.060.592.0
LP735977JH
4,800
3.70
7.359.578.5
 
Type
LP735977JH
Ca­pac­ity (mAh)
4,800
Volt­age (V)
3.70
Array
T, W, L
7.359.578.5
LP705176JS
3,000
3.70
7.251.878.0
 
Type
LP705176JS
Ca­pac­ity (mAh)
3,000
Volt­age (V)
3.70
Array
T, W, L
7.251.878.0
LP675365JU
2,800
3.70
6.954.068.0
 
Type
LP675365JU
Ca­pac­ity (mAh)
2,800
Volt­age (V)
3.70
Array
T, W, L
6.954.068.0
LP504783JU
2,050
3.70
5.247.584.5
 
Type
LP504783JU
Ca­pac­ity (mAh)
2,050
Volt­age (V)
3.70
Array
T, W, L
5.247.584.5
LP103450JH
1,900
3.70
10.034.552.0
 
Type
LP103450JH
Ca­pac­ity (mAh)
1,900
Volt­age (V)
3.70
Array
T, W, L
10.034.552.0
LP605060JU
1,850
3.70
6.051.063.0
 
Type
LP605060JU
Ca­pac­ity (mAh)
1,850
Volt­age (V)
3.70
Array
T, W, L
6.051.063.0
LP103048JU
1,430
3.70
9.930.550.0
 
Type
LP103048JU
Ca­pac­ity (mAh)
1,430
Volt­age (V)
3.70
Array
T, W, L
9.930.550.0
LP503759JU
1,300
3.70
5.438.062.0
 
Type
LP503759JU
Ca­pac­ity (mAh)
1,300
Volt­age (V)
3.70
Array
T, W, L
5.438.062.0
LP503562JB
1,250
3.70
5.436.063.5
 
Type
LP503562JB
Ca­pac­ity (mAh)
1,250
Volt­age (V)
3.70
Array
T, W, L
5.436.063.5
LP633750JS
1,200
3.70
6.538.052.5
 
Type
LP633750JS
Ca­pac­ity (mAh)
1,200
Volt­age (V)
3.70
Array
T, W, L
6.538.052.5
LP523450JU
950
3.70
5.434.852.5
 
Type
LP523450JU
Ca­pac­ity (mAh)
950
Volt­age (V)
3.70
Array
T, W, L
5.434.852.5
LP603443JU
850
3.70
6.034.545.0
 
Type
LP603443JU
Ca­pac­ity (mAh)
850
Volt­age (V)
3.70
Array
T, W, L
6.034.545.0
LP603048JK
820
3.70
6.430.853.5
 
Type
LP603048JK
Ca­pac­ity (mAh)
820
Volt­age (V)
3.70
Array
T, W, L
6.430.853.5
LP102530JU
680
3.70
10.025.533.0
 
Type
LP102530JU
Ca­pac­ity (mAh)
680
Volt­age (V)
3.70
Array
T, W, L
10.025.533.0
LP443441JU
630
3.70
4.435.044.0
 
Type
LP443441JU
Ca­pac­ity (mAh)
630
Volt­age (V)
3.70
Array
T, W, L
4.435.044.0
LP503040JH
600
3.70
5.030.542.0
 
Type
LP503040JH
Ca­pac­ity (mAh)
600
Volt­age (V)
3.70
Array
T, W, L
5.030.542.0
LP463042JU
580
3.70
5.030.544.0
 
Type
LP463042JU
Ca­pac­ity (mAh)
580
Volt­age (V)
3.70
Array
T, W, L
5.030.544.0
LP802036JU
480
3.70
8.020.538.0
 
Type
LP802036JU
Ca­pac­ity (mAh)
480
Volt­age (V)
3.70
Array
T, W, L
8.020.538.0
LP502243JU
430
3.70
5.222.545.5
 
Type
LP502243JU
Ca­pac­ity (mAh)
430
Volt­age (V)
3.70
Array
T, W, L
5.222.545.5
LP333437JU
410
3.70
3.534.039.0
 
Type
LP333437JU
Ca­pac­ity (mAh)
410
Volt­age (V)
3.70
Array
T, W, L
3.534.039.0
LP402535JU
370
3.70
4.025.037.0
 
Type
LP402535JU
Ca­pac­ity (mAh)
370
Volt­age (V)
3.70
Array
T, W, L
4.025.037.0
LP561836JU
350
3.70
5.618.538.5
 
Type
LP561836JU
Ca­pac­ity (mAh)
350
Volt­age (V)
3.70
Array
T, W, L
5.618.538.5
LP422339JU
330
3.70
4.423.040.0
 
Type
LP422339JU
Ca­pac­ity (mAh)
330
Volt­age (V)
3.70
Array
T, W, L
4.423.040.0
LP502030JH
250
3.70
5.021.032.0
 
Type
LP502030JH
Ca­pac­ity (mAh)
250
Volt­age (V)
3.70
Array
T, W, L
5.021.032.0
LP851719JU
180
3.70
8.518.022.0
 
Type
LP851719JU
Ca­pac­ity (mAh)
180
Volt­age (V)
3.70
Array
T, W, L
8.518.022.0
LP501233JS
170
3.70
6.513.334.5
 
Type
LP501233JS
Ca­pac­ity (mAh)
170
Volt­age (V)
3.70
Array
T, W, L
6.513.334.5
LP402025JU
140
3.70
4.026.027.0
 
Type
LP402025JU
Ca­pac­ity (mAh)
140
Volt­age (V)
3.70
Array
T, W, L
4.026.027.0
LP501218JH
60
3.70
5.012.520.0
 
Type
LP501218JH
Ca­pac­ity (mAh)
60
Volt­age (V)
3.70
Array
T, W, L
5.012.520.0
LP341018JS
33
3.70
3.510.519.5
 
Type
LP341018JS
Ca­pac­ity (mAh)
33
Volt­age (V)
3.70
Array
T, W, L
3.510.519.5

TECHNICAL SUPPORT 

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It works the same way as lithium ion batteries. Therefore anything stated about lithium polymer batteries applies to lithium ion batteries as well.

One advantage is the almost infinite number of sizes since steel housings are not required. A plastic-coated aluminum foil is used instead of such housing. Therefore, very thin cells can be manufactured.

Lithium polymer cells are also a bit lighter. Moreover, the variety of different sizes presents greater freedom in the design of the final product. Custom sizes are available at relatively low production volumes so that the existing space for the battery can be utilized optimally.

The disadvantage is a higher sensitivity of the battery due to the lack of a solid housing. This must be strictly observed in the use of the battery, because mechanical damage must be avoided at all costs.

Lithium polymer cells are also negatively affected by overcharging. Therefore, lithium polymer batteries are provided with a protection circuit that protects them from overcharging. These batteries should only be charged with chargers specified for that battery’s chemistry.

Lithium polymer cells are also called soft or pouch cells.

Just like lithium ion cells, lithium polymer cells consist of a graphite electrode (negative) and a lithium metal oxide electrode (positive). The lithium metal oxide can be manganese, nickel or cobalt. Its composition influences the properties of lithium rechargeable batteries and is different depending on the manufacturer and grade. The nominal voltage of lithium ion cells depends on the electrode material and is 3.6 or 3.7 volts. The charge voltage is usually 4.2 volts.
The electrodes are separated by a separator to prevent short-circuiting between the electrodes. The separator is permeable for lithium ions. The cathode acts as a sponge. It can thus absorb a large number of ions.

There is a wide range available now, but mostly prismatic cells.

The capacity of a lithium battery is reduced over time even without use, mainly because of the reaction of lithium with the electrolyte. The rate of decomposition increases with cell voltage and temperature. A deep discharge below 2.0V can damage the battery permanently. It is therefore advisable to store such batteries at room temperature and with a charge of 60%, a compromise between accelerated aging and self-discharge.

When it is cold, the chemical processes take place at a slower pace (including the decomposition of the battery during aging) and the viscosity of the electrolytes used in lithium cells increases greatly, so the internal resistance in lithium ion batteries increases in cold conditions too, thus decreasing the usable power. Moreover, the electrolytes may freeze at temperatures of around -25 ° C. Some manufacturers specify a working range of 0-40 ° C. 18-25 ° C is ideal.

Because of the soft housing, there is an increase in the thickness of the cycles (swelling), which must be planned as part of housing design.

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