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The battery memory effect refers to the reversible failure of the battery, that is, the ability to recover after the battery fails. The memory effect means that the battery automatically maintains this specific tendency after being subjected to a specific working cycle for a long time. This was first defined in nickel-cadmium batteries. Nickel-cadmium pouch batteries have no memory effect, and sintered batteries have memory effect. The current nickel metal hydride (commonly known as nickel metal hydride) batteries are not subject to the definition of this memory effect. Because of the improvement of modern nickel-cadmium battery technology, the above-mentioned memory effect has been greatly reduced, and another phenomenon has replaced this definition, which is the "lattice" of nickel-based batteries. Normally, nickel-cadmium batteries are affected by these two Ni-MH battery is only affected by the "lattice" memory effect, and the impact is smaller than that of nickel-cadmium batteries.
What is energy density? Energy density (Energydensity) refers to the amount of energy stored in a unit of a certain space or mass of matter. The energy density of a battery is the electric energy released by the average unit volume or mass of the battery. The energy density of a battery is generally divided into two dimensions: weight energy density and volume energy density. Battery weight energy density = battery capacity × discharge platform/weight, the basic unit is Wh/kg (watt hour/kg) Battery volume energy density = battery capacity × discharge platform/volume, the basic unit is Wh/L (watt hour/liter) The greater the energy density of the battery, the more electricity stored per unit volume or weight. What is the energy density of the monomer? The energy density of a battery often points to two different concepts, one is the energy density of a single cell, and the other is the energy density of the battery system. The battery cell is the smallest unit of a battery…
Cylindrical lithium batteries are divided into different systems of lithium iron phosphate, lithium cobalt oxide, lithium manganate, cobalt-manganese hybrid, and ternary materials. The outer shell is divided into two types: steel shell and polymer. Different material systems have different advantages. At present, the cylinders are mainly steel-shell cylindrical lithium iron phosphate batteries, which are characterized by high capacity, high output voltage, good charge and discharge cycle performance, stable output voltage, large current discharge, stable electrochemical performance, and use Safe, wide operating temperature range, and environmentally friendly, it is widely used in solar lamps, lawn lamps, back-up energy, power tools, toy models.