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Depth of discharge (DoD) is an important parameter appearing in the context of rechargeable battery operation. Two non-identical definitions can be found in commercial and scientific sources. The depth of discharge is defined as: the maximum fraction of a battery's capacity (given in Ah) which is removed from the charged battery on a regular basis.
An alternative form of the same measure is the depth of discharge , calculated as 1 − SoC (100% = empty; 0% = full). It refers to the amount of charge that may be used up if the cell is fully discharged. [ 2 ]
Crop yield (Y) and seasonal average depth of water table (X in dm) [4] Determining: the discharge rate (Q) from the recharge rate (R) in a water balance as detailed in the article: hydrology (agriculture) the permissible long term average depth of the water table (Dw) on the basis of agricultural drainage criteria
The variations of Q/Q (full) and V/V (full) with H/D ratio is shown in figure(b).From the equation 5, maximum value of Q/Q (full) is found to be equal to 1.08 at H/D =0.94 which implies that maximum rate of discharge through a conduit is observed for a conduit partly full.
The depth changes abruptly over a comparatively short distance. Rapidly varied flow is known as a local phenomenon. Examples are the hydraulic jump and the hydraulic drop. Gradually-varied flow. The depth changes over a long distance. Continuous flow. The discharge is constant throughout the reach of the channel under consideration. This is ...
Self-discharge rate Shelf life Anode Electrolyte Cathode Cutoff Nominal 100% SOC by mass by volume; ... # 100% depth of discharge (DoD) cycles Lead–acid: 50–92 [2]
The open-circuit voltage is 1.55 V, the average voltage during discharge is 1.25 V. [9] While the energy density is only around one third as that of a lithium battery , the distinctive virtue of the nickel–hydrogen battery is its long life: the cells handle more than 20,000 charge cycles [ 4 ] with 85% energy efficiency and 100% faradaic ...
The size of the recovery effect depends on the battery load, recovery time and depth of discharge. [ 6 ] Even though the recovery effect phenomenon is prominent in the lead acid battery chemistry, its existence in alkaline , Ni-MH and Li-Ion batteries is still questionable.