Electric car Lightyear One. Free Technical Library News

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Electric car Lightyear One

26.06.2019

Startup Lightyear, founded by a group of Dutch students, has unveiled the Lightyear One electric vehicle with a WLTP range of 725 km. Solar panels on the roof and hood of the model, as well as the experience of participating in the World Solar Challenge competition for solar-powered vehicles, help to achieve such outstanding results.

In a year of use, solar panels on the roof and hood provide enough energy to cover a distance of 20,000 km. Battery capacity is not announced (except for a vague definition of "relatively small battery"), as the focus is on minimizing power consumption (83 Wh/km) rather than maximizing battery capacity.

The 5057x1898x1426 mm Lightyear One is a five-seat electric car built using high-tech, ultra-light materials, including carbon fiber and aluminium. It is driven by four electric motors in the wheels, which are controlled independently, providing full traction control. Engine power is not announced, but judging by the fact that it takes 100 seconds to accelerate to 10 km / h, they are not very productive.

Solar panels on the roof and hood cover 5 square meters of space, and the protective glass allows an adult to walk on these surfaces without any problems without damaging them. The cells are divided into zones so that the panel works even if the sun only hits part of it.

In addition to solar charging, which can add 12 km of range in 1 hour of charge, the Lightyear One Concept can also be charged from a household outlet with 3,7 kW (35 km of range per hour of charge), 22 kW wall charger (209 km of run per hour of charge) and even high-speed charges of 60 kW (570 km of run per hour of charge).

The full price tag of the model is 149 thousand euros or $170 thousand (leasing will cost 1879 euros or $2135 per month), while the first 100 copies have already been sold out, at the moment there is a subscription for the next 500 copies.

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Spinach as fuel for electric cars 06.10.2020

American scientists can turn spinach into fuel for electric vehicles.

Professor Shouzhong Zou from an American university, together with a group of scientists, made carbon nanolayers from spinach greens. They perform the function of a catalyst in the elements of fuel systems and batteries.

This came about as a result of working on the problem of slow oxygen renewal, which helps to limit the energy output to the battery. Not all carbon based catalysts do this well. Even those based on platinum. The researchers managed to invent a more budget accelerator - spinach. It also has a less toxic effect.

Zou stated that with this method, based on carbon from spinach, it is possible to obtain catalysts with high activity. It is a biomass that can be renewed. There is speculation that spinach may be used in electric vehicles.

Previously, there were no such approaches to the development of catalysts based on plant material. This work is unique.

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