Innovative approach to electric vehicle diagnostics

Abstract

Electromobility is associated with the ever faster development and introduction of new electric vehicles to the market. They use an electric motor to drive the wheels of the vehicle and the necessary electricity is stored in traction batteries. Electric vehicles have a different construction than traditional vehicles i.e. powered by internal combustion engines. For this reason, the manner of use, maintenance and service are different. Familiarization with selected operational issues of electric vehicles positively affects the reliability of their usage as well as safety and comfort of driving. An important component of electric vehicles is the traction battery. Its proper operation influences the long-term preservation of the initial energy capacity and, thus, the range of the vehicle. The article presents the tests of the state of traction batteries of a small electrically powered city vehicle. The vehicle, the batteries and the diagnostic devices used to assess the condition of the battery are described in detail. Based on the literature analysis and the observation of market trends, a fast and effective method of assessment of the technical condition of batteries in electric vehicles was proposed. The method has been tested on the selected vehicle. The technical condition of the battery in the vehicle was assessed after 4.5 years of operation and 30,000 km mileage.

Electromobility Stage in the Energy Transition Policy—Economic Dimension Analysis of Charging Costs of Electric Vehicles

“…Bearing in mind the decision to stop selling new vehicles powered by conventional fuels after 2035, the tightening regulations on greenhouse gas emissions, the growing share of energy produced from renewable sources, as well as the continuous development of electricity storage technologies [51][52][53], the electrification of road transport seems to be an inevitable process [10,54,55]. At the same time, it will be an important element of the sustainable development idea.…”

“…In the case of fully electric cars, moving around the city is not very costly. For example, the cost of driving a distance of 100 km by an electric car in an urban area is estimated at between EUR 0.7 and EUR 2.3 in the price realities of the analyzed country [10]. This amount is incomparably less than the consumption of even five liters of unleaded petrol.…”

Overview of Energy Harvesting Technologies Used in Road Vehicles

“…Another widely discussed direction in the development of energy sources and drive sources for motor vehicles is undoubtedly electro mobility [64,[119][120][121][122][123][124][125][126][127][128]. The use of EV is mainly supported by the lack of exhaust emissions at the place of use.…”

“…Hybrid systems are a combination of an electric motor and a sparkignition or compression-ignition combustion engine. Electric vehicles (EV) are a new chapter in the automotive industry [123], which requires solving many challenges, such as modernization of the existing vehicle charging infrastructure [120], construction of a new one where it does not exist, and issues of technical diagnostics of EV [124][125][126]. In the case of EV, there is also a dispute about whether they are actually a zero-emission means of transport.…”

Multi-Strategical Thermal Management Approach for Lithium-Ion Batteries: Combining Forced Convection, Mist Cooling, Air Flow Improvisers and Additives

“…From this perspective, several studies have been conducted to attenuate the maximum cell temperature by adopting different strategies. The author explored such research works to construct a basic building block for study gap identification and its importance [14][15][16][17][18][19][20]. However, to the best of the author's knowledge, there are few or no studies that execute a detailed exploration of the impact of inlet velocities and injection pressure using a multi-strategical cooling approach, especially under the high charge/discharge rate (~4C) of batteries.…”