What’s with Lithium?
To define a battery in the simplest term – it is basically an electrochemical device that stores a massive amount of energy and releases it in the form of electricity to load a circuit. Typically, batteries are organized in some form of strings that can be connected in series, in parallel or in a combination of both to achieve whatever voltage and current are needed for a given particular application. This simple definition is applied to both, the lead-acid as well as lithium-ion batteries.
Scientifically, every battery contains a cathode (positive) and an anode (negative), which are suspended in an electrolyte. This acts as a catalyst for the electrochemical reaction that results in charging and discharging the ions from one electrode to the other. It also protects the electrons to build upon the anode from flowing back towards the cathode within the battery itself when no load is attached. This sort of chemical reaction results in potential results in showing the potential difference that is in charge (voltage) between the cathode and anode because electrons are bound to build upon the anode.
The current flow is usually persuaded, by connecting a load with a wire to the terminals of the battery, which eventually discharges the battery as electrons flow from the anode to the load and then back to the cathode. The chemistry of the battery fluctuates as this ion flow occurs until no more electrons can be provided to the anode which results in a discharged battery. The battery can be then recharged by using an exterior power source to converse the flow of electrons through the electrolyte from the cathode to the anode. However, it is significant to comprehend that there can be a lot of unevenness in the performance between one battery and another of the same type due to the alterations in chemistry and on the large quality of the materials and cell construction.