According to foreign media reports, American scientists invented a plastic light bulb that emits light that is very close to natural light, and has good stretchability and is not afraid of falling. It is expected that the first batch of plastic bulbs will enter the market in 2013.
Scientists at Wake Forest University in the United States have recently developed a new plastic light bulb that has all the advantages of LED light. What is even more surprising is that this plastic light bulb has no shortcomings of LED. It is reported that this plastic plastic light bulb is expected to replace LED as a new light source. Light is emitted when current passes through a special plastic layer of the new bulb, which is developed using nanotechnology. The R&D team said that the new plastic bulbs have very good stretchability and can be designed in a variety of shapes, such as the light sticks that are commonly used today. The user does not have to worry that the bulb will be broken and will not produce any noise when used.
This new type of light bulb is temporarily referred to as "FIPEL" for the time being. The inventor, Dr. David Carroll, said that the new bulb can beat the LED, but now the plastic bulb is not perfect. When the current is too high, the plastic may melt, which means The brightness of this plastic is still limited.
The light emitted by “FIPEL†is very close to natural light, but it is very different from the blue light emitted by LED lights. There may be concerns about the life of plastic bulbs. Dr. Carroll said that the plastic bulb model in his lab has been in use for nearly 10 years.
When asked when this plastic bulb can enter the market, Dr. Carroll said that a company is very interested in this product and is preparing for mass production. It is expected that the first batch of plastic bulbs will enter the market in 2013. .
Battery is the energy source of AGV car, and also relates to the service life of AGV car.Common battery types for AGV vehicles include nickel-cadmium battery, nickel-metal hydride battery, lithium battery and lead-acid battery, which have the following characteristics:
1. Nickel Cadmium Battery
The nickel-cadmium battery used in AGV car has large internal resistance and can be used for large current discharge.
2. Nimh battery
It offers higher capacity at the same price as nickel-cadmium batteries, less pronounced memory effects, and lower environmental pollution.
3. Lithium battery
"Lithium battery" is a kind of battery with lithium metal or lithium alloy as negative electrode material and non-aqueous electrolyte solution. Because lithium battery has the characteristics of high energy density, high voltage and stable operation, it is widely used.
4, lead acid battery
The electrodes are mainly made of lead and its oxides, and the electrolyte is a kind of battery with sulfuric acid solution.Lead-acid battery has the advantages of good invertibility, stable voltage characteristics, long service life, wide application range, abundant raw materials, renewable use and low cost.
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