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The Electric Vehicle Heart: Battery

Author: Source: Datetime: 2016-09-26 09:26:58
evWhy is the battery electric vehicles heart? This first start with the history of electric vehicles. Speaking of new energy electric vehicles can easily be summed up as a new technology and things. In fact, the history of the electric car than imagined earlier, even before fuel vehicles. American Thomas Davenport in 1834 the first manufacture a DC motor-driven electric vehicles; 1838 Scotsman Robert Davidson invented the electric drive train; tram is still used today in 1840 British patent appears. The world's first electric car in 1881, was born inventors French engineer Gustave Te Lufu, which is a lead-acid battery-powered tricycle. After the emergence of lead-acid batteries, nickel cadmium batteries, nickel hydrogen batteries, lithium ion batteries, fuel cells as a power.

You can see that although the electric car early in the development of vehicle fuel, and in earlier achieved a certain scale, but in modern times, to develop fuel vehicles, electric vehicles so frustrated in the competition. But the real problem is that in the past lead-acid battery-based electric vehicle, subject to the lead-acid battery density, life, power, and many other restrictions, there has been no way in the power source, the battery is made breakthroughs that make electric vehicle development stalled.

Lithium batteries generally divided into two categories: lithium metal batteries: lithium metal batteries typically use manganese dioxide as the cathode material, lithium metal or a metal alloy anode material, the use of non-aqueous electrolyte solution batteries.

Lithium-ion batteries: Lithium-ion batteries typically use lithium alloy metal oxide as the cathode material, graphite as the anode material, the use of non-aqueous electrolyte battery.

Usually we put up the main battery lifePo4 batteries, lithium manganese batteries, lithium cobalt oxide as well as ternary lithium battery (Triad nickel, cobalt and manganese).
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