You’ll find alkaline batteries in all types of shapes and sizes, including AAA, AA, C, D, coin cells, and many others.Īlkaline batteries are have some great characteristics including having a long shelf life. They are the most popular type of non-rechargeable battery. Alkaline BatteriesĪlkaline batteries are primary cell batteries. Let’s list them off and go over some of their features and drawbacks. Secondary batteries are used in all kinds of gadgets and gizmos, including your smartphone, portable gaming devices, and remote controls.įrom the two major types of batteries, we can break down into all of the most common types. These batteries are constructed with materials that allow for reversing their electrochemical reaction by applying a current to them from a charging device. Secondary batteries are considered rechargeable batteries. No need to recharge something that will be destroyed! You might find a primary battery in a missile or bomb used in military applications. There are times where a device will never need to be recharged and will be disposed (maybe even before the battery is fully discharged). Primary batteries still have many applications today. Primary batteries were at one time the most common type of battery before technology reached a tipping point for rechargeable battery technology. These batteries are not rechargeable! Their construction uses materials that do allow for reversing their electrochemical reactions. Primary batteries are considered one time use batteries. All of these batteries can be grouped into two major categories: Primary and Secondary. There are many types of batteries and battery construction. RELATED: How Capacitors Work Two Major Types of Batteries When the battery is connected to a circuit, it provides a path (generally through your project!) for the electrons to flow from the anode back to the cathode! However, the electrolyte resides between the anode and the cathode and prevents this from happening. These two forces naturally want to equalize. The cathode of a battery (commonly referred to as the positive electrode) reacts with the anode to create a potential difference in energy. We discussed this concept in our tutorial on capacitors. The anode of a battery (commonly referred to as the negative electrode) is the the portion of the battery that stores up electrons. Let’s briefly discuss what these components are and their general functions. Battery Constructionīatteries have three basic components in the their construction: Anodes, cathodes, and electrolytes. Devices such as a UPS (uninterruptible power supplies) contain complex transformers and switching circuits to convert DC stored in batteries to AC. They cannot store AC or alternating current. It’s important to understand that batteries only store DC or direct current energy. Some data centers and large industrial plants have begun relying on super large flywheels for storing potential energy! If you wind up a rubber band it too will store potential energy. The process is usually chemical in nature but not always. In this tutorial we’re going to cover the different types of batteries and talk about some of the applications we might choose them for.īatteries serve really one main purpose: They store potential energy for use at a later time. Not only in the products we buy, but in our electronics projects! It’s not always clear when we should use which time, or what even makes one type of battery different from another.
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