Loading [MathJax]/extensions/MathZoom.js
IEEE Xplore Search Results

Showing 1-25 of 6,296 resultsfor

Filter Results

Show

Results

Accurate predicting the remaining useful life of lithium-ion batteries is essential for the market of Electrical Vehicles (EVs) and the battery industry. However, diverse ageing processes, substantial battery variability, and dynamic operating circumstances are identified as main challenges for predicting the remaining useful life (RUL) of lithium-ion batteries (LIBs). This study proposes a machin...Show More
Through the analysis between the working principle of lithium-ion batteries and lead-acid batteries, and based on the research status of lithium-ion batteries at home and abroad, the safety performance of lithium-ion batteries for the submarine is analyzed. The problems faced by conventional submarines equipped with lithium-ion batteries in our country were sorted out. Basic requirements and feasi...Show More
Lithium-ion rechargeable batteries are considered one of the most energy storage batteries that are used in several portable electrical devices at present. Unwise charges of lithium-ion batteries can damage or reduce the battery life. Charging methods are several but may conflict with manufacturers- recommendations which leads to shortening battery life and reduced efficiency. This paper presents ...Show More
Currently, with the rapid development of Electric Vehicles (EVs) and electronic devices using Lithium-ion batteries, ensuring stable battery operation and increasing longevity are essential to address economic and environmental concerns. Many research studies have focused on charging and discharging processes with control parameters such as State of Charge (SoC), State of Health (SoH), Temperature...Show More
For power systems with high proportion of renewable energy, renewable energy generation stations need to have better regulation abilities and support for the grid’s frequency and voltage. Renewable energy generation stations need energy storage system (ESS) to help them meet these needs. Vanadium flow batteries and lithium-ion batteries are both electrochemical energy storage technologies that hav...Show More
Lithium-ion battery module temperature and ambient temperature are the most significant factors in analyzing the dynamic performance of the module and greatly influences the certainty of battery SOC estimation. SOC estimation plays an crucial role in the prediction of the remaining driving range of electric vehicles (EVs) and the optimal charge/ discharge status of the battery. The most popular an...Show More
In this paper, three different technologies were used to measure lithium battery charging behaviors. Graupner ultra duo 60 plus charger, EVM BQ27546, and LTC4054 chargers were used to compare the functionality of Li-Ion, LiFePO4, and Li-Po batteries. Charging at different C-rates was analyzed. Logged data from the chargers give information about the batteries charging characteristics, e.g., voltag...Show More
Criteria for design analysis for qualification, quality, and reliability of rechargeable lithium ion batteries for host devices such as cellular telephone applications are established. Also included are: battery pack electrical and mechanical construction, packaging technologies, pack- and celllevel charge and discharge controls, and overall system considerations.Show More
Battery packs integrated into the grid offer a promising solution for energy storage, but their efficient operation requires precise monitoring and control, which is achieved through Battery Management Systems (BMS). This paper proposes a temperature-dependent second-order RC equivalent circuit model to reflect the battery’s dynamic characteristics accurately. Then, a novel BMS design, incorporati...Show More
As the current renewable energy industry continues to grow, lithium batteries are essential devices in it. So research regarding lithium battery capacity has become an important topic. Current prediction methods usually have low prediction accuracy when the sample data to capacity is small, and it is difficult for general network models to achieve the long-term correlation of lithium-ion battery d...Show More
Lithium-ion power batteries are favored for their light mass, high energy density and low pollution, but repeated thermal runaway accidents have prevented the large-scale use of lithium-ion power batteries. The thermal safety of lithium-ion batteries is also receiving increasing attention. In this paper, the thermal runaway characteristics of 18650 nickel-rich lithium-ion batteries triggered by he...Show More
A recent trend in electric vehicles has been to utilize larger battery capacity to provide a higher driving range. The conventional battery pack connection employed a single battery pack to provide sufficient voltage and capacity requirements for the system. But, with the increasing demand for higher energy capacity within the limited space constraint and given thermal management issues of the lar...Show More
One of the newest battery technologies widely used for various applications is the lithium-ion battery. The performance of lithium-ion batteries must be maintained to get maximum battery life. For this reason, a real-time lithium-ion battery performance monitoring system is needed so that lithium-ion batteries have a long life. This paper proposes to create a lithium-ion battery pack (12 V, 60Ah) ...Show More
The energy and power capabilities of lithium-ion batteries degrade over time. This degradation is quantified by the state-of-health (SOH), which is a function of multiple battery characteristics. Among these characteristics, remaining capacity and internal resistance are the two dominant ones. However, measuring the internal resistance of a lithium-ion battery is not easy because lithium-ion batte...Show More
The accurate prediction of the Remaining Useful Life (RUL) of lithium-ion batteries is crucial for the effective management and maintenance of electric vehicle (EV) battery systems. RUL prediction involves estimating the number of cycles or time until a battery's capacity degrades to a specified threshold, considering factors such as temperature, charging/discharging profiles, State-of-Charge(Q1),...Show More
In this paper, the three most common formats for lithium-ion batteries (pouch, cylindrical and prismatic) are compared in terms of 19 defined technical criteria. Furthermore, the importance of the respective criteria for different fields of application is determined, which in turn can be used to evaluate the suitability of the three formats for market-specific use. Therefore, an evaluation method ...Show More
Lithium-ion battery cells are connected in series and parallel to meet the demand for voltage and capacity of the battery energy storage system (BESS). However, with the battery cell degrading gradually, the performance of the battery pack also degrades. Therefore, it has to be focused on battery pack degradation state prognosis to ensure the system working safely and reliably. On the other hand, ...Show More
Lithium-ion battery thermal management system is critical to improving charge and discharge safety and cycle life. At present, the thermal simulation is an important means to study the thermal problem of lithium battery, and the correct identification of the thermal parameters is the key to thermal simulation. This paper is based on COMSOL Multiphysics for the thermal simulation of a 48V/50Ah LiFe...Show More
Under the background of energy reform in the new era, energy enterprises have become a global trend to transform from production to service. Especially under the “carbon peak and neutrality” target, Chinese comprehensive energy services market demand is huge, the development prospect is broad, the development trend is good. Energy storage technology, as an important part of the comprehensive energ...Show More
This paper presents an analysis and evaluation of a non-dissipative lithium-ion battery balancing technique based on a switched-inductor topology. The switched-inductor topology transfers the charge between series-connected battery cells to achieve balanced condition. The principle of operation of the balancing technique is first reviewed and then, detailed DC analysis and speed of balancing, amon...Show More
Rechargeable lithium-ion batteries are now widely adopted in our life. To fulfil various energy and power requirements in real-world applications, battery cells are connected to form battery packs. The cell-to-cell difference exists in the battery pack after manufactured, and this difference will further deteriorates when the battery cells are exposed and used in various operating conditions. This...Show More
One of the main problems encountered in the development of a mobile medical device is the organization of power supply. Widely used rechargeable lithium-ion batteries have significant flaws, forcing to use a specialized battery management system that protects the battery from working outside its safe working area, ensuring maximum performance. A calibration circuit was developed for testing and ad...Show More
Electric Vehicles (EVs) are getting more and more popular in the modern world as petrol costs climb. Due to this situation, a lot of automakers are exploring gas substitutes for other energy sources. By lowering pollutants, using electrical energy sources might be good for the environment. In addition, EVs offer noteworthy advantages in terms of energy savings and environmental protection. Recharg...Show More
This paper proposes a simplified electrochemical model for lithium-ion batteries considering liquid phase overpotential (LOP2D). It has great significance for the analysis and prediction of dynamic battery characteristics, battery status evaluation, battery management etc. Based on the porous electrode theory and concentrated solution theory, the diffusion and migration of lithium ions are conside...Show More
In the field of lithium-ion battery applications, in order to meet the specific voltage usage requirements, battery packs are usually connected in series structure. However, the traditional series-connected Buck-Boost equalization topology suffers from slow equalization speed and low efficiency. In this paper, we improve the efficiency of equalization by improving the traditional series topology a...Show More