The ever so reliable Rechargeable Battery

Rechargeable battery came as a solution to the problem of short life of the primary cells. The rechargeable battery is storage battery that can store the power capacity within itself; it is one of a group of one or more electrochemical cells in a matter of fact. These types of batteries are known as secondary batteries because the electrochemical reactions can be reversed electrically.

Rechargeable batteries are available in many shapes and sizes. Amazing thing is that you can now get these in size ranging from the size of a button cell to the megawatt systems that can be used to stabilize the electrical distribution network. Different types of chemical combinations are used to make the battery work. Nikel metal hydride or NiMH, nickel cadmium, lead-acid and many other combinations of chemicals are used to make the rechargeable battery. Rechargeable batteries are costly at initial stage but they are cost effective in the long run. They are environmental friendly too! They can have higher initial charges but at the end they can be beneficial because you can recharge them and use them many times you want to.

The rechargeable batteries can be used in many purposes. These can be used in portable devices, automobile starters, light vehicles, tools and devices where you need to ensure uninterrupted power supply. The hybrid electrical vehicles and electrical devices are designed to use the rechargeable batteries to ensure the uninterrupted battery power. Some rechargeable batteries have to be charged several just before the use. Other types of rechargeable batteries have low self-discharge capacity and they hold the charge for a long time.

During the charging of the battery the positive materials are oxidized and they produce the electrons in the way. The negative materials on the other hand are reduced and they consume the electrons. These electrons ensure the current flow in the external circuit of the battery. The electrolyte may act as the buffer for the ion flow between the electrodes or it can act as active participants in the electrochemical reaction.

The rechargeable batteries get the energy from the battery charger in general. The battery chargers usually use the AC mains electricity. Charging can take from few minutes to a few hours depending on the power needed. Most of the rechargeable batteries are capable of being charged on a rapid speed these days. There are various ways to detect the full charge matter for rapid charging among which voltage and temperature are main detectors to avoid the chance of overheating or overcharging. The batteries can be damaged due to the reverse charging. This can happen especially when they are fully charged. Good thing is that the fully integrated battery chargers that can optimize the charging current are also available.

Reverse charging is something about which you should know a bit. If you try to charge a battery cell to a current that tends to discharge it further rather than charging it is called reverse charging. This is a common phenomenon that damages the cell. There can be many reasons behind it. But three main reasons are connecting the battery cell to the charging circuit in a wrong way; wrongly connecting a discharged battery cell to a series which is deeply discharged or attempts to charge cells when one cell is completely discharged ahead of the rest. So, these matters should be taken proper care of when you are going to charge the rechargeable batteries especially motorcycle battery.

Also read: Know More about Primary Battery