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Multi-Objective Battery Charging Strategy Based on Deep …
The trade-off between charging duration and battery overheating is a critical issue in battery charging, which is essentially a multi-objective decision problem. In this paper, we propose a battery charging strategy based on deep reinforcement learning. In contrast to conventional methods, reinforcement learning technology empowers our …
Energies | Free Full-Text | A Study on Price-Based Charging Strategy …
With the large-scale adoption of electric vehicles (EVs) on expressways, the exploration of a guiding-based charging method to effectively adjust interactions between EVs and the fast charging stations (CSs) is urgently needed. This paper proposes a status-of-use (SOU) price-based charging strategy that can motivate users to charge …
Comparative Study on Traction Battery Charging Strategies from …
The service life of an electric vehicle is, to some extent, determined by the life of the traction battery. A good charging strategy has an important impact on improving the cycle life of the lithium-ion battery. Here, this paper presents a comparative study on the cycle life and material structure stability of lithium-ion batteries, based on typical …
Policies to promote electric vehicle deployment – Global EV …
Policies to promote electric vehicle deployment
Review of fast charging strategies for lithium-ion battery systems …
Here, the optimal fast charging strategy is determined by a battery model which mimics the lithium-ion battery behavior. As a major benefit, fast charging …
Electric Vehicles Charging Technology Review and Optimal Size …
Electric Vehicles Charging Technology Review and ...
Rechargeable Batteries of the Future—The State of …
This review gives an overview over the future needs and the current state-of-the art of five research pillars of the European Large-Scale Research Initiative BATTERY 2030+, namely 1) Battery Interface Genome in …
Shaping the future of fast-charging EV infrastructure
To help electric vehicles reach ubiquity, governments and EV-charging companies must ensure the availability of fast-charging infrastructure doesn''t become a bottleneck for growth. In the past …
Experimental study on charging energy efficiency of lithium-ion battery under different charging …
The commercial ternary lithium-ion battery for Plug-in Hybrid-Electric Vehicle (PHEV) is selected, with a nominal capacity of 37 Ah, a standard charging current of 1C-rate, the upper and lower cutoff voltage of 4.2 V and 2.5 V, respectively, and a charging operating ...
Orderly charging strategy of battery electric vehicle driven by real …
DOI: 10.1016/j.energy.2019.116806 Corpus ID: 213015284 Orderly charging strategy of battery electric vehicle driven by real-world driving data @article{Tao2020OrderlyCS, title={Orderly charging strategy of battery electric vehicle driven by real-world driving data ...
Optimal Battery Charging Strategy Based on Complex System …
The complex system model of battery charging is formulated as two subsystems, each of which includes two objective functions. One is the electric subsystem with two objectives of battery charging time and energy loss. Another is the thermal subsystem with two ...
An advanced Lithium-ion battery optimal charging strategy based …
Step 1: Set the charging time weight w t, energy loss weight w E, temperature rise weight w T, internal and shell temperature weights w i n and w s h in the battery triple-objective function J c h a r g e.Step 2: Set the battery charging initial SOC level s 0 and target SOC level s k t f respectively. respectively.
Orderly charging strategy of battery electric vehicle driven by real …
By comparing the optimized orderly charging strategy with the random charging, in the case of meeting the user''s demand for charging power, the peak and valley difference and the equivalent load fluctuation of the power grid were significantly reduced by 22 and
Research on personalized charging strategy of electric bus under …
The graph below shows the time interval before each departure of 10 electric buses of No. 51 pure electric bus fleet in Beijing over a year, and the relationship between performance decline and the number of cycles. As can be seen from Fig. 1, the charging time and required charging capacity of these 10 pure electric buses before each …
Optimization of battery charging strategy based on nonlinear …
Compared with the traditional multistage constant current charging method, the proposed strategy can reduce energy loss by 150 J and temperature rise by 1–2 C in similar charging time. With the increased applications of lithium-ion batteries in energy storage systems and electric vehicles, there is a growing demand for battery energy storage …
A New Charging Strategy Suitable for Electric Vehicle Charging …
The optimization model in this paper provides an effective method for promoting new energy consumption, power optimization scheduling of charging stations …
Study on Battery Charging Strategy of Electric Vehicles Considering Battery Capacity …
The proposed charging strategy provides an optimal charging power reference to minimize costs considering charged energy, charging time, and usable energy loss based on billing system of EV charging.
Optimization of fast-charging strategies for lithium-ion batteries …
A method of optimizing a 10-min fast-charging strategy is presented. A HPRCNN method is introduced to reduce the battery cycle life test time. The KAPEA …
Recycled value-added circular energy materials for new battery application: Recycling strategies…
In terms of raw materials, we need to think about whole scenario of how much quantities of global resources and reserves might evolve to electrification and countries'' efforts to assure future materials availability. Table 1 demonstrates global production of lithium-ion battery key materials and country''s locations [10], [11], [12].
Charging and discharging optimization strategy for electric …
1. Introduction Due to the zero-emission and high energy conversion efficiency [1], electric vehicles (EVs) are becoming one of the most effective ways to achieve low carbon emission reduction [2, 3], and the number of EVs in many countries has shown a trend of rapid growth in recent years [[4], [5], [6]].].
Research on Charging Strategy of Lithium-ion Battery 2015-01 …
Lithium-ion battery charging strategy affects charging time of electric vehicles, energy efficiency of entire vehicle, service life and safety. This paper focuses on the lithium iron phosphate (LiFePO4) battery, based on the battery internal mechanism and the working conditions, taking charging time
LiFePO 4 battery charging strategy design …
In this paper, an optimal charging strategy for LiFePO4 batteries is proposed to minimize the charging temperature ... for Chinese New Energy Vehicles-Data Acquisition in Kunming (Grant No. CF2016 ...
Toward safe and rapid battery charging: Design optimal fast …
This work proposes a novel fast-charging strategy to charge lithium-ion batteries safely. This strategy contains a voltage-spectrum-based charging current …
Energies | Free Full-Text | A Review on Battery …
Energy storage has become a fundamental component in renewable energy systems, especially those including batteries. However, in charging and discharging processes, some of the parameters are not …
CATL Unveils Shenxing PLUS, Enabling 1,000-km Range and 4C Superfast Charging
At Auto China 2024, CATL unveiled Shenxing PLUS—the world''s first LFP battery that achieves a range above 1,000 kilometers with 4C superfast charging. Within eight months after the launch of the Shenxing superfast charging battery …
Self-charging battery generates electricity from moisture in the air
Australian company Strategic Elements says it''s made a step-change breakthrough in self-charging battery technology that harvests electrical energy from humidity in the air to directly power ...
LiFePO4 battery charging strategy design considering temperature rise minimization | Journal of Renewable and Sustainable Energy …
The temperature rise of lithium-ion batteries during the charging process is a significant factor that can influence battery capacity degradation and produce potential safety hazards. In this paper, an optimal charging strategy for LiFePO 4 batteries is proposed to minimize the charging temperature rise. ...
Adaptive Optimal Charge Strategy for Lithium-ion Power Battery …
The lithium-ion power battery is widely used in energy management system of electric vehicles. Our study proposed an adaptive optimal charge strategy based on multi-objective particle swarm optimization algorithm. The basic principles of multi-objective algorithm are introduced and the physical performance of lithium-ion battery …