Rechargeable battery internal resistance is small, ordinary battery resistance, so the ordinary battery is not suitable for large current discharge equipment, such as digital cameras.
Rechargeable battery terminal voltage of 1.2V, ordinary battery will be 1.5V, but because the rechargeable battery internal resistance is small, so the use of low pressure, Rechargeable Battery so in most cases the two can be universal.
How does the rechargeable battery work?
1 we say that the rechargeable battery, generally refers to the lithium battery or other similar batteries.
In simple terms, the working principle of a lithium battery is such that the anode (negative) consists of a non-metallic lithium compound and is connected to a cathode (positive) made of carbon. When charging, lithium ions (or charged atoms) under the action of external voltage forced from the negative movement to the positive, Rechargeable Battery and then stored in the positive. Discharge, these stored lithium ions and back to the negative formation of current, the books or mobile phones to provide energy. (Anode is the negative pole? Seemingly contradictory to say, in fact, the sauce purple: the internal anode of the battery is the external anode, the internal cathode is the external positive.) '2 charge, the discharge is actually the internal chemical reaction of the battery , Rechargeable Battery Is the ion from the negative to the positive or from the positive to the negative movement of the process, constitute the positive and negative compounds with the reaction back and forth to transform.
While the working principle of other batteries is exactly the same. Lithium battery is a very good one for the electronic East of the battery. It is light weight, simple structure, Rechargeable Battery very suitable for rechargeable batteries. More importantly, it has been carried out after hundreds of charge and discharge after aging, or more durable. But it is also a bad time, it can not live forever.
3 why the battery will age?
The aging of the battery begins with the moment it is produced, and the process is irreversible.
Assuming that the battery capacity drops more than 1/3 even if the scrapped, then for lithium-ion batteries, even if you buy it, it will be scrapped in one day. Under normal conditions of use, it only has a few years of life; if you are a digital madman, let it work overload, then its life may not even two years. Rechargeable Battery Because the work of the battery is a chemical reaction process, consumption is inevitable. After all, any chemical reaction can not exist in the ideal state, will produce energy loss and some additional material generation, the battery is also the same reaction.
4 is a greater threat to the battery, is its internal chemical reactions produced by a number of metal free substances, this metal material will be a large number of aggregation in the negative, while the cathode will also have a small part of the aggregation. Rechargeable Battery Eventually leading to the formation of a poles on the metal coating, which is extremely detrimental to the battery work.
5 The electrolyte in the battery can also damage the electrode. They gradually oxidize the negative, and in the above left rust, blocking the flow of lithium ions. Electrode gradually eroded by the electrolyte will cause very serious consequences, such as battery aging, Rechargeable Battery the electrode to absorb ion capacity, electrolyte composition changes, the battery surface is corroded. These electrolytes can really be called a battery killer!
6 time to promote change, battery technology is also true. Buchman said: Lithium-ion battery capacity has been basically reached the limit, but fortunately the new technology has been exposed. Most of the current research focused on how to improve the battery's negative. The traditional negative is made of carbon, but some studies have tried to increase the battery capacity by mixing a small amount of silicon. In the UK battery manufacturers are trying to synthesize a new compound to develop a better battery.