QSS

Estimate the Overall Equal Lithium Load of a Battery

We usually see the chemical element lithium printed on batteries and we commence to wonder how a lot of it was loaded into the battery. Let us go directly to the strategy on how to compute its lithium content material. Initially we must set up the subsequent knowledge: very first is the total equal lithium articles (ELC) for a single mobile of the battery, next is the sum of cells in the battery. To compute the ELC (in grams), ELC is equivalent to the battery’s energy (in ampere-hrs) multiply by .three then multiplied by the battery’s sum of cells.
Take the circumstance of an HP Compaq 367759-001 battery with ten.8V, 8800 mAh, Li-ion complex specification as an example.
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Let us begin by computing the ELC using the system declared before. We know the power ranking to be 8800 mAh (milliamps) and we need to change it to Ah (amp several hours) to apply our formulation and we have 8.8 Ah (8800 mAh equals 8.8 Ah). And so we are now completely ready to compute the HP Compaq 367759-001 battery one cell ELC which is 8.eight x .3 equals 2.64 grams.
In addition, we are essential to establish the sum of cells from our decided on battery. The battery’s voltage was given at 10.8V, we need to divide that by the lower voltage of 1 cell then we get the sum of cells in sequence as a outcome. Following is to divide the battery’s presented ability (8800 mAh) by the nominal capability of one particular mobile and we get the resultant sum of cells in parallel. Now we can compute the sum of cell in the battery by multiplying the series and parallel benefits. Of all the cells in HP 367759-001, the quantity 18650 is often utilized. It has a standard low voltage of three.6V and 2200 mAh nominal capacity. We are now prepared to compute the sum of cells in the HP Compaq 367759-001 battery with this: (8800 mAh/2200 mAh) x (ten.8 volts/3.six volts) equals twelve cells.
To conclude our endeavor to find the complete ELC in HP Compaq 367759-001 battery, we need to have to do the subsequent computation. We have the knowledge for one cell’s ELC at two.64 grams and the sum of cells in the battery is 12 cells. And finally, compute the total equivalent lithium load of the battery by executing this calculation: two.64g x twelve = 31.68 grams.


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