Lemon battery Lemon battery A lemon battery is a simple battery often made for the purpose of education. Typically, a piece of zinc metal (such as a galvanized nail) and a piece of copper (such as a penny) are inserted into a lemon and connected by wires. Power generated by reaction of the metals is used to power a small device such as a light emitting diode (LED). The lemon battery is similar to the first electrical battery invented in 1800 by Alessandro Volta, who used brine (salt water) instead of lemon juice. The lemon battery illustrates the type of chemical reaction
Plug-in electric vehicles in Japan sold 52,234 plug-in electric vehicles in Japan since July 2009. The first prototype battery switch station from Better Place was demonstrated in Yokohama on May 14, 2009. On April 2010, a 90-day switchable-battery electric taxi demonstration project was launched in Tokyo, using three Nissan Rogue crossover utility vehicles, converted into electric cars with switchable batteries provided by A123 Systems. The battery switch station deployed in Tokyo is more advanced than the Yokohama switch system demonstrated in 2009. During the three-month field test the EV taxis accumulated over and swapped batteries 2,122 times, with an average battery swap time of 59.1