Ultrafine one-dimensional (1D) H 2 Ti 3 O 7 nanowires were prepared by a hydrothermal reaction with high concentration of KOH as base source. Then 2D/1D rGO/H 2 Ti 3 O 7 architecture was constructed and investigated as the anode material for lithium-ion batteries. Benefiting from the addition of rGO nanosheets and the retention of ultrafine 1D …
Learn MoreThe utility model discloses a new forms of energy that heat dispersion is good fill electric pile, which comprises a bod, organism lower extreme fixed mounting has the base, the organism is located the base top and is provided with the air inlet, and the air inlet shade is installed in the air inlet outside, the cabinet door is installed to the air inlet top, and …
Learn MoreIn this paper, based on a small pure electric excavator which is still in the stages of research and development, a liquid-cooled heat dissipation structure (liquid-cooled plate) is designed according to the power battery pack scheme. The overall shape of the liquid-cooled plate is designed as a symmetrical serpentine flow channel.
Learn MoreIn order to improve the heat dissipation performance and study the factors affecting the heat dissipation effect of a two-dimensional ordered porous structure, a …
Learn MoreDesign and Implementation of Charging Pile Heat Dissipation Technology. Aiming at the heat dissipation problem of charging pile electronic components,the running of the …
Learn MoreEnvironmental Chemical Research and Energy-saving Technology Application ... Published online: 01 December 2020 E3S Web of Conferences 213, 03016 (2020) Thermal analysis of electric vehicle DC charging pile power module based on two-dimensional ordered porous structure radiator ... In order to improve the heat …
Learn MoreOne of the most recent fields to emerge in this era of a sustainable energy revolution is energy storage in batteries. These days, electric vehicles use batteries more than ever. Lithium-ion batteries stand out as exceptional energy storage devices in this context and have been widely used due to their multiple impressive advantages. …
Learn MoreAmong these, the heat dissipation management technology is further divided into air cooling [10,11], liquid cooling [12,13], phase change material [14,15] and heat pipe [16,17] utilization methods. The purpose is to reduce the impact of high temperature on the power battery performance, to avoid thermal safety accidents.
Learn MoreThe utility model relates to the technical field of charging piles, and discloses a heat dissipation charging pile which comprises a waterproof base, wherein a waterproof pipe is fixedly installed at the top of the waterproof base, a connecting frame is fixedly installed at the top of the waterproof base, a supporting rod is fixedly installed at the top of the …
Learn MoreThe hybrid Trefftz finite element method (HT-FEM) employs the T-complete solutions as domain approximation bases, providing a cheap boundary-type …
Learn MoreThe invention discloses an energy-saving heat-dissipation method of a charging pile. A driving wheel (9) is driven to rotate by a start motor (8); when the driving wheel (9) rotates, a first driven wheel (11) and a second driven wheel (12) are driven to rotate, and the rotation directions of the first driven wheel (11) and the second driven wheel (12) are opposite; …
Learn MoreFor effective solutions to performance problems, such as discharge capacity attenuation of the pure electric vehicle (EVs) power battery under low temperatures, the heating module of the pulsating heat pipe (TiO 2 CLPHP) for the power battery was constructed with TiO 2 nanofluid as working medium. Moreover, heating performance …
Learn More2. Considering the optimization strategy for charging and discharging of energy storage charging piles in a residential community. In the charging and discharging process of the charging piles in the community, due to the inability to precisely control the charging time periods for users and charging piles, this paper divides a day into 48 time …
Learn MoreHeat transfer and heat dissipation path Heat can be transferred through objects and spaces. Transfer of heat means that the thermal energy is transferred from one place to another. Three forms of heat transfer The heat transfer occurs in three forms: thermal conduction, convection (heat transmission), and heat radiation.
Learn MoreChina has been the world''s largest producer of lithium-ion (Li-ion) power batteries [9].Thanks to high-performance vehicle-level integration and control technology, promoted construction of charging, swapping, and other infrastructures, and the support from a gradually well-established safety monitoring and assurance system, BEVs have …
Learn More1. Introduction. The chase for carbon-mitigation necessitates the development of the new energy vehicle industry. With the continuous development in technology and competitiveness, the requirements of compact and efficient vehicle thermal management system, which has a significant impact on vehicle performance, service life, …
Learn MoreBEVs are driven by the electric motor that gets power from the energy storage device. The driving range of BEVs depends directly on the capacity of the energy storage device [30].A conventional electric motor propulsion system of BEVs consists of an electric motor, inverter and the energy storage device that mostly adopts the power …
Learn More： Aiming at the heat dissipation problem of charging pile electronic components,the running of the charging pile is safer,more stable,more cost-effective and more sustainable by optimizing the technical design of the cooling air duct of the charging pile,increasing the supports of the electronic component plate in the charging pile,regular maintenance the …
Learn MoreThis study proposes a drip contact heat dissipation structure with transformer oil as the cooling medium to investigate the heat dissipation effects of the battery pack. The heat dissipation performance with a small drip flow rate was studied when the battery pack was discharged at 1C, 1.5C and 2C at room temperature of 299.85 K.
Learn MoreElectric vehicles can effectively make use of the time-of-use electricity price to reduce the charging cost. Additionally, using grid power to preheat the battery before departure is particularly important for improving the vehicle mileage and reducing the use cost. In this paper, a dynamic programming algorithm is used to optimize the battery …
Learn MoreThe MHIHHO algorithm optimizes the charging pile''s discharge power and discharge time, as well as the energy storage''s charging and discharging rates and …
Learn MoreThe transient thermal analysis model is firstly given to evaluate the novel thermal management system for the high power fast charging pile. Results show that …
Learn MoreThe heat dissipation system consisted of four Al fins placed symmetrically around the battery system, as shown in Figure 13. It was found that the fins significantly …
Learn MoreA lower temperature rise of 10.6 °C for the charging cable@1000A is obtained. Ming et al. [35] propose a fin and ultra-thin heat pipes hybrid heat dissipation system for the direct-current charging pile, it is found that the hybrid heat dissipation system significantly improve the temperature uniformity of the charging module.
Learn MoreThe OWES project (in German: Optimierte Wärmeableitung aus Energiespeichern für Serien-Elektrofahrzeuge; translated Optimized Heat Dissipation from Energy Storage Systems for Series Production Electric Vehicles), led by Audi, combines material science and production engineering research and development to focus on: …
Learn MoreIn order to reduce the operation temperature of the charging pile, this paper proposed a fin and ultra-thin heat pipes (UTHPs) hybrid heat dissipation system …
Learn MoreOn the other hand, latent heat thermal energy storage (LHTES) systems have a large thermal heat capacity, high energy storage density, negligible temperature change throughout the charge ...
Learn MoreThe results show that the new heat dissipation system has excellent heat dissipation capability and makes the internal temperature field of the charging pile evenly distributed. Sun et al. [25] designed a novel self-propelled liquid metal cooling method for high power charging to reduce the charging time of electric vehicles.
Learn MoreIn this paper, an innovative fractal tree-shaped convergent fin (FTSCF) is embedded into a latent heat thermal energy storage system (LHTESS) to numerically investigate the parametric influences of FTSCF including FTSCF number N, maximum branching level m, length ratio α, branch convergence β, level convergence γ, rotation …
Learn MoreThe battery energy storage technology is applied to the traditional EV (electric vehicle) charging piles to build a new EV charging pile with integrated charging, discharging, and storage; Multisim software is used to build an EV charging model in order to simulate the charge control guidance module. The traditional charging pile …
Learn MoreIn phase-change memory, heat dissipation towards the electrode is an important obstacle to energy efficiency. Low crystalline resistance requires a higher Joule heat for the RESET operation, and a ...
Learn MoreA lower temperature rise of 10.6 °C for the charging cable@1000A is obtained. Ming et al.[35] propose a fin and ultra-thin heat pipes hybrid heat dissipation system for the direct-current charging pile, it is found that the hybrid heat dissipation system significantly improve the temperature uniformity of the charging module.
Learn MoreNew energy electric vehicles will become a rational choice to achieve clean energy alternatives in the transportation field, and the advantages of new energy electric vehicles rely on high energy storage density batteries and efficient and fast charging technology. This paper introduces a DC charging pile for new energy electric …
Learn MoreDiscover the revolutionary impact of liquid cooling technology on fast-charging stations for EVs. Uncover how this innovation resolves issues related to heat dissipation, safety, and charging …
Learn MoreBased on this, the purpose of this article is to design and research the operation platform of charging pile metering equipment based on big data. This article …
Learn More1.3 Paper organization. The remainder of the paper is organized as follows. Section 2 provides a review of thermal, electrical, and mechanical optimization studies for EV batteries, covering battery cell thermal management, battery liquid/air cooling, battery charging strategies, and mechanical optimization. Section 2 is related to the thermal …
Learn More1. Introduction. Transportation has become the most growing factor of the world''s fuel consumption taking up 49% of oil resources [1].The efficiency of oil utilisation in vehicles is fairly low, so energy saving strategies in transportation will help reduce unnecessary energy consumption without providing extra utility and services [2].One of …
Learn MoreDesigning a cost-efficient TM system with higher safety and reliability for power electronics under the hood is crucial [] the meantime, by providing effective TM for the modules, the temperature necessities and the electronic module''s total cost could be reduced [].Some benefits of TM on electric vehicles are as follows []:Thermal simulations …
Learn Moreand the advantages of new energy electric vehicles rely on high energy storage density batteries and ecient and fast charg-ing technology. This paper introduces a DC charging pile for new energy electric vehicles. The DC charging pile can expand the charging power through multiple modular charging units in parallel to improve the charging speed.
Learn MoreMa and Wang [35] proposed using energy piles to store solar thermal energy underground in summer, which can be retrieved later to meet the heat demands in winter, as schematically illustrated in Fig. 1.A mathematical model of the coupled energy pile-solar collector system was developed, and a parametric study was carried out. The …
Learn MoreFor trickle charging cables or low-power fast charging cables, traditional forced convection cooling of fans and air is enough to meet the demand for heat dissipation [11]. However, for high-power fast charging and superfast charging, active liquid cooling that combines pumps and coolants (such as water and dimethyl silicone oil) needs to be ...
Learn MoreMing et al. [35] propose a fin and ultra-thin heat pipes hybrid heat dissipation system for the direct-current charging pile, it is found that the hybrid heat …
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