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Nickel cadmium battery (Ni) : it is – Cd notebook batteries used in the senior, but because it had severe memory effect and use the anode material nickel (Ni) and the environment will produce toxic pollution, thus was soon notebook abandon, instead more excellent nimh batteries.

Ni-mh battery (Ni) : it fd-mh with nickel cadmium cell structures are basically the same principle,Laptop Battery just for a better, more performance of cathodic protection of nickel metal hydride toxic materials. Although only a small change, but brought performance greatly improved. It has a few nickel cadmium battery is memory effect is not obvious advantages, so that we no longer for the memory of hate to use more convenient troubles effect. Although the performance is very good nimh batteries, but with the development of technology, it was lighter, the energy density of lithium battery higher replaced in the history of the notebook batteries, huanghua yesterday.
Lithium battery: many people think that means we now lithium-ion batteries used in lithium batteries, polymer lithium battery including metal lithium ion battery (Li MO2 – and li-ion polymer battery (Li ion -). For Li – MO2 batteries in 1989 to enter the market when fire blast and die young, so it soon vanished from the line of sight of people, those who replace is safer li-ion polymer battery. It is light weight, with the capacity of the circumstances in which weighs only 1/2 of nimh batteries, therefore it quickly became the new favorite of mobile portable devices, was used by most laptop batteries, is now the nucleus.
Fuel Cell (trap Cell) : the Fuel Cell is notebook battery future star, it has a lot of kinds, including proton exchange membrane (PEM) Fuel Cell, alkaline Fuel Cell (AFC) and solid oxide Fuel Cell (SOFC) etc, but because the Fuel Cell start-up and operation temperature causes for laptop computers used in the Fuel Cell only proton exchange membrane (PEM) Fuel Cell. PEM fuel cell such as methanol fuel is used, the positive and negative electrode is composed by the principle of its power of methanol to hydrogen and oxygen after reforming anode input, through the input the positive role, hydrogen catalyst into protons and electrons, by different path into positive, electronic through internal circulation, protons to generate electricity by electrolyte, and oxygen and achieve positive electron on water and heat. Experts agree that restricts fuel cell was the largest commercial application should use metal fuel cell (Pt), Acer Laptop Battery platinum catalyst platinum stubbornly high production costs, fuel cell production costs $500-1000 / kilowatts. Research shows that only when the fuel cell production costs to about 50 dollars/kilowatts of levels for consumers to accept. The high cost of fuel cell are the main causes for mass production, has not been formed into mass production stage, if the price of fuel cell must be reduced greatly.