Flow battery (i) Independent energy and power rating (i) Medium energy (40–70 Wh/kg) (ii) Long service life (10,000 cycles) ... a new main battery as well as a charged secondary battery is in an energetically higher condition than in the discharged or depleted state, ... and increase early detection of battery safety problems prior to, during ...
The assessment of welding quality in battery shell production is a crucial aspect of battery production. Battery surface reconstruction can inspect the quality of the weld instead of relying on human inspection. This paper proposes a defect detection method in the small field of view based on 2D pre-processing and an improved-region-growth method. A …
With a swift detection time of 0.073 seconds per image, the model meets the stringent requirements for accuracy and real-time performance in identifying battery collector tray …
For the difficulty that the detection of new energy power battery in different scenes requires a large span of depth-of-field field of view, this system fine-tunes the VGG16 model and designs a super accurate convolution edge detection model based on VGG16. In order to cope with the situation that a single production line of power batteries may ...
With the development of power battery technology, new energy vehicles are receiving more and more attention. The power battery is the only source of driving energy for battery electric vehicle (BEV), which directly affects the power performance, endurance and safety of BEV [44].To ensure the safety of power battery, the functional evaluation has to be done through power battery …
The continuous progress of society has deepened people''s emphasis on the new energy economy, and the importance of safety management for New Energy Vehicle Power Batteries (NEVPB) is also increasing (He et al. 2021).Among them, fault diagnosis of power batteries is a key focus of battery safety management, and many scholars have conducted …
Abstract: We conduct a comprehensive study on a new task named power battery detection (PBD), which aims to localize the dense cathode and anode plates endpoints from X-ray images to evaluate the quality of power batteries. Existing manufacturers usually rely on human eye observation to complete PBD, which makes it difficult to balance the accuracy and efficiency of …
Designing an EV battery fault detection algorithm that is implementable and effective for both EV ... We found that although all models can achieve nontrivial detection power ... Energy 3, 267 ...
Early anomaly detection in power batteries is crucial to ensure safe and reliable operation of electric vehicles. Although a lot of research has been conducted on battery anomaly detection, little attention has been paid to the time-series features of the charging curves of single batteries. This paper proposes a power battery early anomaly detection method based on time-series …
This paper proposes a power battery early anomaly detection method based on time-series features. By dynamically matching the charging segments with the historical charging data, …
Based on the observation and analysis of the collected data, the power battery data are time-series and the occurrence of battery fault is highly correlated with time, so we …
At present, several developed countries are actively recycling power batteries. The United States has successively established the Rechargeable Battery Recycling Company and the Portable Rechargeable Battery Association to guide the public in cooperating actively with the recycling of waste batteries and promote the recycling of industrial batteries [10].
With the increasingly serious energy and environmental problems, new energy vehicles are gaining widespread attention and development worldwide [1].Lithium-ion battery system has become the main choice of power source for new energy vehicles because of its advantages of high power density, high energy density and long cycle life [2].However, with …
Here, battery storage, solar photovoltaic, solar fuel, hydrogen production, and energy internet architecture and core equipment technologies are identified as the top five promising new energy ...
An end-to-end adaptive and lightweight defect detection model for the battery current collector (BCC), DGNet is proposed, which achieves higher detection accuracy and lower computational overhead, reaching the state-of-the-art (SOTA) level. As an essential component of the new energy vehicle battery, current collectors affect the performance of battery and are …
Features • Orginal level detection of battery pack : support reading the current SOC/SOH, single/ module voltage, input/output current and power, battery temperature and other parameters of the battery pack. Support reading the …
The power battery is the core component of an EV, which directly affects the performance and safety of the vehicle. As the energy storage device, a lithium ion battery (LIB) …
With the increasing popularity of new energy vehicles (NEVs), a large number of automotive batteries are intensively reaching their end-of-life, which brings enormous challenges to environmental protection and sustainable development. This paper establishes a closed-loop supply chain (CLSC) model composed of a power battery manufacturer and a NEV retailer. …
Experimental results show that the insulation detection system can accurately test the insulation performance of new energy vehicles and meet the new energy vehicle offline detection standards. The insulation performance of new energy vehicles is an important factor in the normal operation of vehicles. This paper designs a voltage injection-type insulation detection based on the …
We conduct a comprehensive study on a new task named power battery detection (PBD), which aims to localize the dense cathode and anode plates endpoints from X-ray images to evaluate the quality of power batteries.
With the increase of fire problems in new energy electric vehicles (EVs), the fault monitoring and assessment method in the charging process of EV getting more and more attention. This …
The power battery is the core component of an EV, which directly affects the performance and safety of the vehicle. As the energy storage device, a lithium ion battery (LIB) can be very dangerous under unreasonable misuse or abuse conditions [17,18]. The safety of lithium ion batteries has been a key factor in curbing the development and ...
The author discusses the specific aspects of electronic diagnosis technology in the maintenance of new energy vehicles from four aspects: application in chassis output …
Empirically, we investigate the developmental process of the new energy vehicle battery (NEVB) industry in China. China has the highest production volume of NEVB worldwide since 2015, ... Critical policy documents in this period include the "Automotive Power Battery Industry Specification Conditions" (or the "Battery Whitelist") by ...
A novel semi-supervised fault detection and isolation method for battery system of electric vehicles. Jiong Yang Fanyong Cheng Zhi Liu M. Duodu Mingyang Zhang. Engineering. Applied Energy ... With the great development of new energy vehicles and power batteries, lithium-ion batteries have become predominant due to their advantages. For the ...
An overview of fault diagnosis in new energy vehicle power battery systems, highlighting the importance of fuel consumption and carbon emission reductions.
Assembly process of power battery for new energy vehicles. The power battery has gone through the process from the cell to the system before it is finally installed on the vehicle unit. To ensure the safety of the power battery, it is necessary to perform power battery detection (PBD) on each battery cell to complete its functional evaluation.
The new energy vehicle system is in the initial stage of application, so the probability of fault is greater. ... Safety management system of new energy vehicle power battery based on improved LSTM ... The detection methods are also roughly divided into two. One is a detection method based on fault characterization, and the other is a detection ...
The author discusses the specific aspects of electronic diagnosis technology in the maintenance of new energy vehicles from four aspects: application in chassis output power detection, application ...
Download Citation | On Dec 1, 2023, Gangfeng Sun and others published Autoencoder-Enhanced Regularized Prototypical Network for New Energy Vehicle battery fault detection | Find, read and cite all ...
It is anticipated that the "New Energy Battery X-Ray Intelligent Detection Equipment Market" will increase at a compound annual growth rate (CAGR) of xx.x percent from 2024 to 2031, reaching USD xx.
4.1 Data Preparation and Processing. The dataset used in the experiment is mainly divided into two parts, the dataset as a whole has a total of 5112 rows with a small base, the first part is mainly the original data of the new energy battery samples containing Time, Vehiclestatus, Chargestatus, Summileage, Sumvoltage, Sumcurrent, Soc, Gearnum, …
The quality of the current collector, an essential component in new energy vehicle batteries, is crucial for battery performance and significantly impacts the safety of vehicle occupants. However, detecting defects in battery current collector in real-time industrial applications with limited computational resources poses a major challenge. To address this, our paper proposes …
The power battery is the core component of an EV, which directly affects the performance and safety of the vehicle. As the energy storage device, a lithium ion battery (LIB) can be very dangerous under unreasonable misuse or …
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