Wireless Charging – History from 1998 to Forecast of 2030
This article is a combination of historical analyses and forecasts up to 2030 and examines key areas of interest such as charging infrastructure for electric vehicles, deployment, operating costs, energy consumption, carbon dioxide emissions, and demand for battery materials.
BP, Exxon, BP, and Statoil expect 100 million electric vehicles to hit the road between 2030 and 2035. BHP’s own strategic announcement last week, which forecasted a 50% share of new car sales from electric vehicles, underscored the early end of thermal coal and the rapid rollout of electric vehicles.
This study and analysis have been used to set EU targets for the deployment of public charging infrastructure for each country for the years 2025-2030, representing 1.3 million public charging points in the EU in 2025 and almost 3 million in 2030. The battery-electric vehicle market was estimated in 2018 at $ 133,830 million and is expected to grow by 16.7% in 2019-2025.
The genetic algorithm (GA) is the single objective model for the best estimation of onboard and on board charging technology for best size, which is extremely sensitive to analysis if we try to assess potential future trends in e-mobility and vary the cost of battery charging technologies.
The first-factor function describes the cost development depending on the battery size. The coefficient K (BAT) represents the price of the battery per kWh and includes the amount considered the cost resulting from the storage space requirements of the battery in the vehicle, the vehicle position, and other aspects that affect the battery capacity.
The cost trend of the onboard charger is a nonlinear behavior and is assumed for the same reason as the battery. In order to increase the efficiency of DWPT to the same level as the static system, instead of charging the battery with electrical energy the electrical energy is transferred via Ultra-Supercapacitors to the powertrain to compensate for the loss of charge/discharge of the battery.
The power transmission is sufficient for the vehicle to move into and out of the charging zone in the same charging state throughout the vehicle, increasing the energy traction of the battery which can be used to power the vehicle for the duration of the DwPT system. The DWPT prevents such battery loss, resulting in a system that is more efficient than static charging.
Wireless Charging of electric vehicles must be safe, compact, and efficient to be convenient for the customer. Dynamic charging makes it possible to charge electric vehicles while driving on the road, especially on the motorway. It is obvious that the charging methods of electric vehicles have an influence on the design of electric vehicles, energy storage on board, vehicle mass, range, and charge time.
Therefore, DWPT offers the possibility to increase traction, battery size, range, and reduce dependence on static charging systems. Wireless power transmission offers a convenient, safe, and flexible way to charge electric vehicles under both stationary and dynamic conditions. A wireless power transmission is an innovative approach that uses magnetic resonance coupling with air core transformers developed for today’s growing market for plug-in electric vehicles.
At ORNL, scientists and engineers are working to develop a robust nature wireless power technology that provides a convenient, safe and flexible way to charge electric vehicles under both stationary and dynamic conditions.
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Wireless Electric Vehicle Charging Systems (WEVCS) are a potential alternative technology to charging electric vehicles when they are connected, which is a problem. Plug-in electric vehicles (PEVs) are burdened with the need for cables, plug-in chargers, galvanic isolation plates, electronics, bulk cable costs, and large energy storage (ESS) packs. However, electric vehicles can be charged wirelessly and are easy to operate when the user parks the vehicle and charges it wirelessly.
In 1998, Delco Electronics Magne Charge developed an inductive charging system for General Motors EV1 used in Chevrolet S-10 EV and Toyota RAV4 EV cars. During peak load periods, when production costs are high, electric vehicles and vehicles with off-grid capacity contribute energy to the grid. They can be recharged at lower prices during off-peak hours and help absorb excess night-time production.
This system allows electric city buses to reduce their battery size, making them more efficient while reducing their weight. Similar technologies can reduce the size of the heavy batteries that carry electric cars and other vehicles. The batteries in electric vehicles with vehicle-to-grid capability can also serve as decentralized storage to buffer electricity.
Together with six partners, Volkswagen is developing an EU research project on the automated parking and charging of electric vehicles. The aim of the project is to develop a smart car system that enables autonomous driving in designated areas. Delphi, Inc. is partnering with Witricity to leverage its unique stationary charging technology (referred to as Motavalli33).
Coils are designed for wireless power transmission (WPT) with suboptimal efficiency (Reference Mur and Miranda1; Reference Cheon, Kim, Kang, Lee, and Lee-Zyung2). In order to increase WPT efficiency at long distances between source and receiver, poor alignment magnetic resonance was in.
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