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Alpha Bonfire Pocket Bonfire

28.04.2021

Japanese brand for the manufacture of various outdoor gadgets and equipment The Brand Labo has introduced a compact model of the Alpha Bonfire electric fire. When folded, the device is a small aluminum box no larger than an average smartphone - the device measures 147x69x5 mm. And when the electric fire unfolds, it looks like five small aluminum sheets folded in the shape of the letter V in order to effectively and seamlessly hold any small pot or saucepan in its upper part.

And if the user wants to cook meat using such a pocket fire, then it will be enough for him to take out special grill grates from the inside of the structure, up to eight pieces, if necessary. What's more, the Alpha Bonfire pocket bonfire also has a built-in set of utensils ranging from spoon, fork and knife to chopsticks, which is quite convenient. We can say for sure that this model will surely find its user at the time of release.

Such a pocket fire is being developed as part of a corresponding campaign on the Indiegogo crowdfunding site and its initial cost is planned to be about $82 for those users who are already ready to donate funds for its development - for everyone else, the device will cost about $100 at the moment. of its release, about which, however, nothing concrete is known yet, although insiders will probably soon present something more revealing.

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Instant battery charging 31.07.2013

American automotive company Tesla Motors, which specializes in the production of electric vehicles, knows a way to reduce the charging time of an electric car battery to 5 minutes. JB Straubel, chief technical officer of Tesla Motors, told Technology Review about this. In September 2012, Tesla Motors introduced Tesla Superchargers, designed to charge the Model S and newer EVs, allowing the battery to be charged halfway in 30 minutes. By May 2013, the company had reduced this time to 20 minutes. Now Strobel claims that this time can be significantly reduced.

The new method has nothing to do with the procedure of replacing a dead battery with a new charged battery. The company introduced this method of "refueling" last month, believing that it would be easier for the owner of an electric car to change the battery than to wait until it is charged. However, the problem is not just waiting, the fact is that the batteries that Tesla Motors equips its cars with have three times the capacity compared to competitors.

In order to master the charging method in 5 minutes, it is necessary to carry out a whole range of activities. And perhaps this will be, first of all, due to the fact that Tesla Motors independently develops all the necessary technologies and equipment for recharging electric vehicles.

First, it will be necessary to increase the capacity of Tesla Motors charging stations. Now the most common high-speed charging standard is the Japanese CHAdeMO. The station with a capacity of 50-100 kW allows you to charge the battery of an electric car by 80% in 15-30 minutes. In October 2012, another standard was developed - the organization SAE International became its author. It implies the use of a power of 100 kW.

The power of Tesla Superchargers stations is 120 kW, and the reduction in battery charging time will force this power to be increased even more. In addition, it will be necessary to change the design of the chargers. So, for example, now the conversion of AC to DC to charge the battery is performed by rectifiers located in the car. For super-fast charging, rectifiers must be located outside, at the station itself.

Accelerated charging can lead to overheating of the battery, so it is necessary to develop a system for monitoring the temperature and voltage of the battery, which can protect it from overheating by automatically adjusting the charging parameters. "In order to charge a battery this quickly, all components need to work in perfect harmony," commented Strobel.

Finally, the high power of charging stations will force the company to equip them with additional energy sources - solar panels and wind generators.

Tesla Motors plans to test the first such station - which will allow charging electric vehicle batteries in 5 minutes - in the near future in California.

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