Accurate remaining-useful-life (RUL) prediction and state-of-health (SOH) diagnosis are of extreme importance for safety, durability and cost of energy storage systems … - Download [PDF]
Accurate remaining-useful-life (RUL) prediction and state-of-health (SOH) diagnosis are of extreme importance for safety, durability and cost of energy storage systems …
1. Introduction. The growing share of transportation in the world''s energy consumption heavily affects climate, energy security, and the environment, contributing 29% of total greenhouse gas (GHG) emissions, as approximately 95% of transport energy is still provided by oil-derived fuels [1], [2], [3].According to the US Federal Transit Administration report, the …
Keywords: Lithium battery Deep learning Remaining useful life State of health Battery thermal management A B S T R A C T Lithium batteries are considered to be one of the most promising green ...
The transportation sector is a noteworthy contributor to global fuel consumption and greenhouse gas emissions [1, 2].Accounting for approximately 50% of the total worldwide emissions of air pollutants, the transportation sector has emerged as a pivotal catalyst for urban air pollution [3].Currently, electrification is regarded as one of the best practical solutions for …
1. Introduction. Though electric vehicles enjoy a rapid development with the support of national policies, they are confronted with the challenges, such as the increase of the peak-valley difference of the system and the decrease of power quality due to their characteristics of centralized charging [].The virtual power plant integrates distributed energy, energy storage …
The scheme of the hybrid-energy (electric energy + chemical energy) transportation has been proposed for the 100-MW-class multi-energy vehicle charging/refueling station, which aims for the targets of lossless electricity delivery and bulk hydrogen supply with reliable energy conversion and management.
In order to solve the EV charging issues on a remote island, a real-time energy management scheme is proposed for an EV charging system located in a microgrid with a PV system and an energy storage system [18]. This reference also indicates that the energy supplied by the PV system reduces the burden on the microgrid significantly, which it is ...
Air cooling has been generally utilized in the heat dissipation of the actual charging piles due to its advantages of simple structure, low cost, and long service life (Akbarzadeh et al., 2021; Saechan and Dhuchakallaya, 2022; Z.Q. Zhang et al., 2022).At present, the forced convection heat transfer for the DC charging pile is mainly given by the fan (Wang et …
Electric vehicles (EVs) are becoming increasingly popular in ride-hailing services, but their slow charging speed negatively affects service efficiency. To address this challenge, we propose PROLIFIC, a deep reinforcement learning-based approach for efficient EV scheduling and charging in ride-hailing services. The objective of PROLIFIC is to minimize …
In recent years, the SOH estimation and RUL prediction are two vital research aspects in battery management system. SOH is an indicator reflecting the health state of battery in the short term, while RUL is a long-term indicator that shows the remaining cycle life before SOH drops to a predefined threshold [3].Generally, there are mainly three type of RUL …
Fast charging is also called opportunity charging in literature (Kharouf and Abdelaziz, 2021, Wang et al., 2017).Fast charging chargers are generally installed at or near BEB terminals (Battaia et al., 2023, Shahmoradi et al., 2022), and one site equipped with fast charging chargers is named a fast charging station (FCS).As FCSs are located at BEB terminals and it …
Lithium-ion batteries are widely utilized in numerous applications, making it essential to precisely predict their degradation trajectory and remaining useful life (RUL). To …
Charging infrastructure planning has a strategic impact on promoting the use of electric vehicles (EVs) and other alternative fuel vehicles. Importantly, decision makers need to answer the ...
At present, the new energy generation of our country is getting vigorous development. For example, by the end of 2021, the grid-connected installed capacity of photovoltaic power generation in China broke through the 300 × 10 6 kW mark, reaching 306 × 10 6 kW, ranking first in the world for 7 consecutive years. By the end of March 2022, China''s …
The remaining available energy is a critically priori information for the energy management and the remaining driving range prediction, which is also an urgent problem …
From an environmental point of view, the use of repurposed batteries can minimize the footprint of new batteries manufacturing and enhance RES penetration by replacing the non Li-ion storage technology (e.g. lead–acid batteries or any fossil energy source) and thus support a swift to renewable energy. Generally, second-life batteries link the ...
With the market-oriented reform of grid, it''s possible to supplement private charging piles to meet the excessive charging demands of EVs [16].Shared charging means that private charging pile owners give the usufruct of charging piles to grid during the idle period [17].Then, grid can supplement shared charging piles to relieve the power supply pressure of …
Lithium-ion batteries are widely used in electric vehicles and energy storage systems due to their high energy density, long lifespan, and low self-discharge rate [1].As the number of charge-discharge cycles increases, the performance of the lithium-ion battery gradually deteriorates due to the cumulative impact of its internal and external environments.
Simulation modeling revealed that when k=6, charging piles could be used more conveniently when being about 4.8665 km from the dense flow of new energy vehicles under the clustering center mode ...
Fig. 5 shows a hydrogen–PV–storage–charging microgrid system that integrates PV power generation, electrochemical energy storage, hydrogen energy, supercapacitors, a power grid, charging piles, and other energy sources. By regulating multiple energy sources, the system realizes a virtuous cycle of clean energy, alleviates the impact of a ...
Nowadays, AC charging piles are widely used, and with the increasing number of charging piles, the harmonic pollution generated by them becomes more serious and affects the power quality of the grid. Aiming at the problem of harmonic control of the single-phase AC charging pile, it is decided to apply the active filter technology. The single-phase parallel active …
The simulated driving break was modeled such that the vehicle''s state of charge would be above 20% before the charging event to maintain battery health and below 80% at the end of the charging ...
The remaining useful life (RUL) prediction of Lithium-ion batteries (LIBs) is of great importance to the health management of electric vehicles and hybrid electric vehicles.
BMS in EV executes several operations, including accurate charge estimation, battery equalization, temperature control, power electronic interfacing, fault analysis, and charging-discharging safety [14], [15].Among them, state of charge (SOC), state of health (SOH), and remaining useful life (RUL) in BMS have become hot and critical topics that require …
Electric vehicles (EVs) are becoming increasingly popular in ride-hailing services, but their slow charging speed negatively affects service efficiency. To address this challenge, we propose PROLIFIC, a deep …
Due to their lower self-discharge rate, higher power density, smaller size, and higher energy density, lithium-ion (Li-ion) batteries become the most preferred energy sources used in biomedical, automotive, and electronics applications [1].Smart battery management system (BMS) requires the accurate online estimation of the state of health (SOH), state of …
Efficient operation of battery energy storage systems, electric-vehicle charging stations and renewable energy sources linked to distribution systems ... The depth of charge and life-cycle of the BES are considered. ... The results demonstrate that appropriate PV/WT allocations reduce active energy loss by 45.29 and 45.56 % for Level 1 and ...
A coupled PV-energy storage-charging station (PV-ES-CS) is an efficient use form of local DC energy sources that can provide significant power restoration during recovery …
Health condition monitoring of lithium-ion batteries plays a crucial role in guaranteeing the reliability and safety of energy storage system. ... it is important to accurately predict the online remaining useful life (RUL) of batteries. ... model. Using our online RUL prediction model, the relative errors for the six Li-ion batteries are 0.57% ...
At the time of writing, there are 49,383 publicly accessible electric vehicle supply equipment (EVSE) stations in the United States, with 123,013 ports 1 (AFDC, 2022). These include 44,127 Level 2 (L2) stations (98,081 L2 ports)—which typically use 208-V AC electricity and deliver up to 19.2 kW of power, though most provide closer to 7 kW (roughly 25 miles of …
Lithium-ion battery remaining useful life (RUL) is an essential technology for battery management, safety assurance and predictive maintenance, which has attracted the attention of scientists ...
A novel online method for predicting the remaining useful life of lithium-ion batteries considering random variable discharge current. ... the relative errors for the six Li-ion batteries are 0.57%, 0.54%, 0.56%, 0%, 1.27% and 1.41%, respectively. To evaluate the reliability of the proposed model, the prediction interval for the RUL prediction ...
Simulation modeling revealed that when k=6, charging piles could be used more conveniently when being about 4.8665 km from the dense flow of new energy vehicles under …
Incisively estimating the state of charge (SOC) of lithium-ion batteries is essential to ensure the safe and stable operation of a battery management system.