Lithium-ion battery lithium metal oxide cathode,
Laptop battery Category
Divided into four categories: nickel-cadmium batteries (Ni-Cd), nickel metal hydride battery (Ni-MH), lithium ion battery (LiB), and lithium-polymer battery (LiP).
1. Ni-Cd, Ni-MH battery
Ni-MH battery based on nickel hydroxide for the positive and negative energy of hydrogen storage alloys, nickel-hydrogen batteries so the positive and the same nickel-cadmium batteries, but with a high hydrogen storage alloy negative electrode materials, we have more energy. acer Laptop Battery apple Laptop Battery While the electrochemical characteristics of nickel-hydrogen batteries and nickel-cadmium batteries are also similar, it can fully replace nickel-cadmium batteries, and not need any transformation equipment. However, compared to nickel-hydrogen batteries and lithium batteries have some drawbacks: long charge time, a unit of electricity is lower, there is a certain memory effect. So now laptops, use nickel-metal hydride battery products have been relatively less.
2. Lithium-ion batteries, lithium polymer battery
Lithium-ion battery lithium metal oxide cathode, carbon anode materials. Lithium-ion battery with three winding structures, which are the three layers: the lithium cobalt oxide cathode material as the main activity to the carbon material as the main active substance of the cathode and the barrier layer between the anode and cathode. Lithium ion batteries are now commonly used battery in the highest energy density batteries, its unit volume is higher than Ni-MH battery 1 / 3, low self-discharge rate. And lithium-ion battery asus Laptop Battery compaq Laptop Batteryasus Laptop Battery compaq Laptop Battery “memory effect” is weak and does not contain toxic substances.
Lithium batteries are generally set to protect the circuit and the capacity to monitor and communications circuit of several parts. Notebook computers are now used mostly lithium batteries, “smart Lithium (Smart Battery)”, which contains the communications circuit to detect the capacity and different capacity of the operational command sent to the motherboard, BIOS and operating system by the completion of the corresponding operation to achieve the best use of the battery status Dell Inspiron 1300 Battery Dell Inspiron B130 Battery .
Of course, lithium-ion batteries also have drawbacks, such as charge and discharge times of high prices and less. The number of ordinary lithium battery charging and discharging only 400 to 600 times, specially modified products, but many times 800. Ordinary Ni-MH battery charge and discharge times to 800 times more than some quality products to charge and discharge is also up to 1,200, while the prices are much lower.
Lithium-polymer battery lithium or lithium alloy anode sucked into a lithium-ion change – carbon anode. Lithium-polymer battery has many advantages, one is not only extensive source of carbon anode materials, you can also get high-speed discharge the battery effect; 2 is due to lithium ions of carbon, you can reduce the activity of lithium, in order to address the safety of lithium-ion battery not problem; 3 is a comprehensive performance, cycle life of up to about 1000, charging speed, and can easily be molded into shape to fit the equipment complex.
In general, individual low-end notebook now only use nickel-metal hydride batteries, the majority of the ordinary lithium ion batteries, lithium polymer battery was part of the high-end ultra-slim notebook computer is using Dell 312-0401 Battery Dell Latitude D531N Battery. From future development direction, new high efficiency fuel cell will be lithium-ion battery alternatives.
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Lithium-ion battery lithium metal oxide cathode,
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