What we want to know the knowledge of laptop battery
What we want to know the knowledge of laptop battery
Welcome to a Laptop Battery specialist of the Compaq Laptop Battery First post by: www.laptops-battery-online.comWe bought notebooks, is looking at is its mobility. Today's notebook computers, each gave birth to get a good figure, so that we all generally small size means better mobility. Actually not always the case, decided to notebook mobility eligibility, there is an important factor - the battery. Why? We can Imagine, if you bought a size small notebook computers, but the battery life is not very ideal, the kind of depressed but not vent feelings. Today, Xiao Bian on to tell you is that some, on the laptop battery knowledge.First of all, we must look at the type of laptop battery such as Hp Pavilion ZX5200 Battery. At present, the batteries used in notebook computers is divided into a total of three kinds: 1. Nickel-chromium batteries, 2. Ni-MH battery, 3. Lithium batteries. Their side is expressed as: Ni-Cd NI-CD, Ni-MH NI-MH, Lithium-Ion battery LI.Nickel-cadmium (niege) Battery: it is the late 19th century by a Swedish invention, such batteries have so-called memory effect, specifically what is memory effect, just like you an example for instance: When a battery is fully charged, the It can be of a continuous electrical discharge 60 minutes. Now we will use this section to conduct the battery of this electric discharge, discharge to 30 minutes to stop, and then this section of the battery charge, charge a good 30 minutes after power to continue to discharge, do not completely discharged each time, after N repeated operations This batteries have a memory effect, the process of using in the future, when the battery discharge after 30 minutes, it is no longer output current, and that is, the battery capacity of this section reduced by half. Ni-Cd memory effect is very serious.Ni-MH battery: It is an early substitute for nickel-chromium batteries, greatly reduces the existing nickel-cadmium battery "memory effect", which makes nickel-metal hydride battery can be more convenient to use. Nickel-metal hydride batteries and nickel-cadmium battery positive is basically the same, are based on nickel hydroxide as the positive electrode. The main difference is the use of nickel-cadmium batteries are cadmium negative electrode active material, while the nickel-metal hydride battery is a high-energy hydrogen-storage alloy anode, the nickel-metal hydride batteries have greater energy.The main characteristics of nickel-metal hydride batteries, 5 points:1, energy density than nickel-cadmium batteries twice as large.2, can be round after round of 500 full charge and discharge cycles.3, with side doors can be recharged within one hour quick charge.4, self-discharge characteristics of a good than the nickel-cadmium batteries charge can be retained longer.5, up to three times as high efficiency continuous discharge.Lithium Battery: Lithium battery is a class of lithium metal or lithium alloy anode material, the use of non-aqueous electrolyte solution batteries. The actual development of such batteries is 20 successful new high-energy batteries, has a high energy, the battery voltage high operating temperature range, the advantages of long storage life.Li-ion battery's home page features 7 points:1, high-energy, high-density. Lithium-ion batteries are the same weight capacity nickel-cadmium or nickel-hydrogen batteries for half of the volume is 40-50% nickel cadmium, nickel hydrogen 20-30%.2, high voltage, a single work of Li-ion battery voltage of 3.7V (mean), equivalent to three series of nickel-cadmium or nickel metal hydride batteries.3, pollution-free, lithium-ion batteries do not contain, such as cadmium, lead, mercury, like the harmful metals.4, does not contain lithium metal, lithium-ion batteries contain lithium metal, which is not on the Prohibition of the transport plane carrying lithium batteries on aircraft restrictions.5, a high cycle life, under normal conditions, the lithium-ion battery charge and discharge cycles of more than 500 times.6, no memory effect, memory effect refers to the nickel-cadmium battery charge-discharge cycle, the battery capacity decrease. Lithium-ion batteries do not exist this effect.7, use the rated battery voltage of 4.2V constant-current constant-voltage charger can make lithium-ion batteries in one to two hours to be fully charged. http://www.articlesbase.com/laptops-articles/what-we-want-to-know-the-knowledge-of-laptop-battery-4566890.html
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