Tesla Supercharger V3 charging station. Free Technical Library News

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Charging station Tesla Supercharger V3

07.03.2019

Tesla introduced the Supercharger V3 charging station. In a related announcement, the manufacturer noted that its network of more than 12 electric vehicle charging stations in North America, Europe and Asia continues to grow. Already, more than 000% of the US population is covered by the network, and by the end of 99, a similar figure should be reached in Europe.

Station V3 differs from its predecessors in the increased speed of charging. This required the use of a new 1 MW power cabinet that supports peak power up to 250 kW per vehicle. With this power, the Tesla Model 3 Long Range electric car can charge enough in 5 minutes to travel 120 km (charging speed - 1600 km per hour). Combined with other improvements, this will reduce the time customers spend on charging by an average of 50%, according to the manufacturer. Typical charging time will be reduced to about 15 minutes.

An interesting innovation that will speed up charging will be the heating of the battery at the entrance to the charging station. The optimal temperature is said to reduce the average charging time by 25%.

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Smart pillow 08.06.2022

Chinese scientists have developed a self-powered "smart" pillow that will better understand the causes of lack of sleep, as well as track patients with diseases that affect head movement.

Research has linked chronic sleep deprivation to diseases such as diabetes and heart disease, as well as mental health problems. People who want to better understand what happens to them at night can take a sleep test at a medical institution, or use an application for a smartphone or smart watch. As a more accurate alternative to the second method, scientists are developing new sleep monitoring systems using triboelectric nanogenerators (TENG) - a constant current source. These self-contained systems have already taken the form of eye masks, belts, patches and even sheets. And now the shape of the pillow.

To design a new "smart" pillow, the researchers developed a flexible porous polymer triboelectric layer. Movement between the head and this layer changes the electric field around nearby electrodes, generating a current. They connected several of these self-powered sensors to create a flexible and breathable array that can be placed on a regular pillow. This system could generate a voltage corresponding to the amount of pressure applied and could track the movement of a finger as it traced letters. It can also record the distribution of head pressure on the pillow when changing position.

The development can be used for more than just sleep tracking. For example, the system could track patients with diseases that affect head movement, such as degenerative neck disease, cervical spondylosis.

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