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Audi introducing electric 1+1 urban concept at Frankfurt with support for wireless charging; more detail on electric A2 concept

Green Car Congress

Audi urban concept with support for wireless charging. Audi is introducing a 1+1 urban concept technology study for urban and metropolitan areas. The electric-powered show car has four wheels, combines elements of a racecar, a roadster, a fun car and a city car, and weighs just 480 kilograms (1,058.22 lb), stores 7.1

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Stanford study finds charging Li-ion cells at different rates boosts the lifetimes of EV battery packs

Green Car Congress

A battery that can still hold a charge after thousands of recharges could also ease the way for electrification of long-haul trucks, and for adoption of vehicle-to-grid systems, in which EV batteries would store and dispatch renewable energy for the power grid.

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How Long Do Electric Car Batteries Last?

Blink Charging

There were no recharging stations, so batteries needed to be replaced much more often. None of these problems remain today, and most EVs are as powerful as petrol-fueled vehicles. These components are much less dense than Li-ion, have a shorter lifespan, and must be recharged more often. Moving Forward. Efficiency in Numbers.

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Why the Next Microgrids Will Be Well Connected

Cars That Think

The winds had barely died down when electric-power specialists and others began calling for a radical overhaul of Puerto Rico’s electricity networks, one that would emphasize renewable energy, distributed generation, and, critically, microgrids. A microgrid is like a miniaturized, tightly controlled version of a power grid.

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False Starts: The Story of Vehicle-to-Grid Power

Cars That Think

They wanted to see whether an electric vehicle could feed electricity back to the grid. The company’s president, Tom Gage , dubbed the system “vehicle to grid” or V2G. And with the revival of the EV, the V2G concept was reborn. Once electricity is generated and passes into the grid, it is typically used almost immediately.

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Volkswagen’s first two production battery-electric vehicles debut at Frankfurt

Green Car Congress

and, acting as the link, controls the flow of high-voltage power between the e-motor and the lithium-ion battery (depending on battery voltage between 296 and up to 418 V). In doing so the power electronics convert the direct current (DC) stored in the battery into alternating current (AC) and use this to drive the motor.

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The Cash Back Hybrid

Plug In Partners

Today the VtoG concept is a respectable topic in respectable circles. Here's an example from Spectrum Online : Can plug-in hybrid electric vehicles keep the electric grid stable? By John Voelcker First Published October 2007 Google , a former CIA director , the Natural Resources Defense Council , a U.S.

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