This article begins with the positive traits of the battery, and then moves into the limitations when compared with other power sources.
One of the most remarkable and novel discoveries in the last 400 years was electricity. We might ask, “Has electricity been around that long?” The answer is yes, and perhaps much longer, but its practical use has only been at our disposal since the mid to late 1800s, and in a limited way at first. One of the earliest public works gaining attention was enlightening the 1893 Chicago’s World Columbia Exposition with 250,000 light bulbs, and illuminating a bridge over the river Seine during the 1900 World Fair in Paris.
The battery market is expanding, and the global revenue in 2009 was a whopping $47.5 billion.* With the growing demand for portable electronics and the desire to connect and work outside the confines of four walls, experts predict that this figure will reach $74 billion in 2015. These numbers are speculative and include batteries for the electric powertrain of cars.