Simulation and optimization of a new energy vehicle
The battery pack studied in this article is a lithium battery pack, whic h is located in the center of a car chassis. Its total p owe r is 22 kWh, the battery capacit y is 60 Ah, and the total
Lithium battery shell stretching forming machine
The utility model provides a lithium battery case stretch forming machine, includes base (1), frame board (4), motor (11), connecting plate (8), stretching arm (10), its characterized in...
Optimization and Structural Analysis of Automotive Battery Packs
The battery pack is installed at the bottom of the car chassis between the longitudinal beams of the frame, below the floor of the compartment; this paper refers to the original car data using Creo parametric modelling software 8.0 to build the battery pack 3D assembly model, in which the weight of the battery block and battery module is 282.5 kg, the
16x18650 External Battery Pack Shell, 2 USB Output
16x18650 External Battery Pack Shell, 2 USB Output DIY Power Bank, Plastic Shell Box with LCD Display, Power Bank Case, With three Micro/Type C input, Small and light Design(black) Visit the Cuifati Store. 4.1 4.1 out of 5 stars 25
Optimization of automotive battery pack
Lightweight research based on battery pack structural strength can improve the endurance and safety of electric vehicles. Based on the adaptive response surface and
Unlocking the significant role of shell material for lithium-ion
As for battery shell material, some researchers committed to improve the strength and corrosion resistance of the battery shell through the addition of Ce [24] and CeLa [25]. So far, the only publication reporting on the mechanical properties of Lithium-ion battery shell available was authored by Zhang et al. [26] on cylindrical battery shell
Thermal management for a tube–shell Li-ion battery pack using
alginate (PECSA) film are both used to control the temperature of the battery pack. Results show that the maximum temperature of the battery pack can be controlled below 32 C, when WE coupled with AC is used at a discharge rate of 1.8C within a discharge time of 1000 s. This method yields the highest performance of thermal management.
Design optimization of battery pack
A mechatronic mechanism can be designed inside or outside battery module/battery pack enclosure to allow the main circuit of electric vehicle to get disengaged in the
Safe bidirectional pulse heating method for the lithium-ion battery
Safe bidirectional pulse heating method for the lithium-ion battery pack on a high-power electric motorcycle. Author Thermocouple 2 is stuck on the surface of the cell to obtain the temperature of the shell. The battery cell is heated by 1C and 2C bidirectional pulse current with 2 Hz frequency, under the temperature of −20 °C and 0 °C
SIMULATION AND OPTIMIZATION OF A NEW ENERGY VEHICLE POWER BATTERY PACK
566 G. Ruan et al. 2. Research status at home and abroad 2.1. Degree of research on the safety of new energy battery packs In the history of research on automobile power battery packs, foreign
Optimization and Structural Analysis of Automotive Battery Packs
Through weight reduction and structural optimization, an innovative power battery pack design scheme is proposed, aiming to achieve a more efficient and lighter electric
CN101673811A
The invention relates to a device for stretching and shifting a lithium battery shell, in particular to a completely automatic device for stretching and shifting lithium battery shell. Two identical pneumatic shifting mechanisms are arranged at two sides of the work top of a stretching machine so as to drive a battery shell clamping block, thus realizing the movement of the battery shell to
Design, Optimization, and Analysis of Electric vehicle Battery Pack
Despite the fact that each cooling method has pros and cons, studies show that liquid cooling is a viable option for Li-ion battery packs in EVs due to its size, weight, and power requirements. Even though immediate liquid cooling requires drenching the battery cells in the fluid, a low (or no) conductivity cooling liquid is essential.
Flexible battery pack of stretching
The invention provides a flexible stretchable battery pack which comprises an internal battery cell module and a stretchable packaging shell coated outside the internal battery cell...
Thermal management for a tube–shell Li-ion battery pack using
The internal resistance of the battery pack measured by direct current internal resistance method under 50% state of charge (SOC) was 0.1439 Ω, the mass of a single cell was 44.6 g, and the total mass of the battery was 0.4014 kg.
Battery shell, cell, battery and assembly method of battery
As shown in Fig. 2 to Fig. 6 and Figure 10, a kind of battery case 18, comprise upper shell 1 and lower house 2, upper shell 1 and lower house 2 are outside sealing, the volume with a constant volume of interior side opening, upper shell 1, lower house 2 openings have the one week edge 3 extending radially outward, there is upper surface 4 at each edge 3, lower surface 5 and being
Design, Optimization, and Analysis of Electric vehicle Battery Pack
For increasing safety, extending pack service life, and lowering costs, selecting the right cooling method for a lithium-ion (Li-ion) battery pack for electric drive vehicles (EDVs) and developing
Experiment and simulation of thermal management for a tube-shell
A novel tube-shell Li-ion battery pack with a passive thermal management system (TMS) using composite phase change material (PCM) was designed to control cells temperature rising and improve
CN111922170A
The invention provides a lithium battery shell stretching forming machine, which aims to solve the technical problems that in the prior art, the stretching force cannot be controlled when a...
Design of battery shell stamping parameters for vehicles based on
In this paper, the finite element constrained mode method is used to verify the accuracy of the constructed model and the application of boundary conditions by the error of
Optimization of automotive battery pack casing based on
The stress, strain, and frequency of the battery pack shell under typical working conditions are used as boundary conditions. The response surface model is established
Deformation and fracture behaviors of cylindrical battery shell
The simulation results indicate that P f of the battery shell with CFRP is ∼7.07 MPa, which is smaller than P f of the battery shell without CFRP (8.79 MPa) (Fig. 8 a). Here, the measured uneven temperature distribution and inner pressure curve of the cell case were supposed and used as the boundary conditions.
Experiment and simulation of thermal management for a tube-shell
A physical model of the tube-shell battery pack and its computational meshes were created using commercial meshing software, GAMBIT. Since the model of battery pack was axial symmetry, the computational domain only covered half of the entire pack, as shown in Fig. 6. The total computational domain consists of cells, PCM wrapping cells, baffles
Lithium battery shell stretching forming machine
The working principle is as follows: the utility model has the function of stretching and forming the lithium battery shell, and the lithium battery shell stretching and forming machine is mainly divided into a base 1, a frame plate 4, a motor 11, a connecting plate 8 and a stretching arm 10, the base 1 and the four frame plates 4 are directly connected and combined to form a drawing forming
(PDF) Material selection and assembly
Material selection and assembly method of battery pack for compact. electric vehicle. To cite this article: N. Lewchalermwong et al 2018 IOP Conf. Ser.: Mater. Sci. Eng.
Automotive battery pack manufacturing – a review of battery
The adaption of different joining technologies greatly influences the central characteristics of the battery pack in terms of battery performance, capacity and lifetime. Selection of a suitable joining technology, therefore, involves several considerations regarding electrical and mechanical properties and an assessment of production and operational conditions.
CN112705610A
The application provides equipment and a process for stretching a battery shell, which comprise a rack, a driving system, a conveying system, a rotating system, a stamping rod system and a...
Prediction of stamping parameters for
To further improve the prediction accuracy, different hidden layer topologies of POA-BP were compared, and the Monte Carlo method was used to obtain seven design
Play and Charge pack battery not charging solution!
The controller and battery pack, usb cord were all new so did not think it was a hardware fault (didnt want to deal with delays of replacement and refund anyway). Just wanted to comment and say that this seemed a little like a stretch but it worked like a charm! Thus no charging animation and filling the battery With the method I shared
Lightweight Design of an Automotive Battery-Pack
The battery packs are crucial components of electric vehicles and may severely affect the continue voyage course and vehicle safety. Therefore, design optimization of the battery-pack enclosure (BPE) is critical for enhanced
BATTERY MODULE AND PACK ASSEMBLY PROCESS
The mechanical connection of the battery pack is made e.g. by mountings in the base module and corresponding screw connections (M10-M14). Mountings are used to mount the same accumulators in
Battery steel shell stretching die design
CN114406083A . The invention discloses a special female die device for stretching and forming a cylindrical battery steel shell, which belongs to the field of battery steel shell processing and comprises a bottom support frame, a middle support frame, a top fixing frame, a stamping die, a first fixing plate and the like; a middle part support frame is installed at the top of bottom sprag
CN214898709U
The prior packaging method has the following technical problems: the simple packaged battery pack has poor waterproof performance and safety performance; the technical requirements of workers in the packaging process are high, and much labor is needed; the outer skin of the simply packaged battery pack is extremely easy to damage and has poor appearance in the
Mechanical safety prediction of a battery-pack system under low
The current research on the safety of battery-pack systems focuses on the following three levels: The constitutive model of individual battery cells at the micro level [6], [7]; Single cell batteries at medium level [8]; Overall battery-pack at macro level [9], [10].Xia et al. conducted an impact test on the entire battery-pack and determined the correlation between
Simulation Study on the Influence of the Shielding Mechanism of
The battery pack includes k battery units, wherein k is an integer of 2 or more; a power supply control unit that conducts control operation such that at least one of the k battery units supplies
Optimization of automotive battery pack casing based on
Based on the adaptive response surface and multi-objective particle swarm optimization algorithm, this paper proposes an optimization design method for lightweight of battery pack
Thermal management for a tube–shell Li
2.2 Battery pack structure As shown in Fig. 2, the battery used in this experiment was 3S3P battery pack (three cells in series and three cells in parallel) which consisted of nine 18650
Stamping and stretching die for producing battery box aluminum shell
The utility model discloses a production of battery box aluminum hull is with punching press drawing die relates to condenser aluminum hull production technical field. The utility model discloses a supporting shoe, the top fixedly connected with lower mould of supporting shoe, the bottom fixedly connected with table surface of supporting shoe, the inboard bottom of
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Lithium Battery Shell Mould Design and Process Parameter
package the lithium battery and add a protective device to form a battery pack, which is installed at the bottom of the vehicle. Among the components that make up a power battery, the battery case is one of the core components, and its size, shape accuracy, and position accuracy play a key role in the safe operation of the power battery.
6 FAQs about [Battery pack shell stretching method]
How a battery pack is designed?
With reference to the existing models on the market, the battery pack structure of the model is designed according to the main parameters of the model, and a simplified electric vehicle battery pack model is established by Creo and the material information is determined.
What is a power battery pack design scheme?
Through weight reduction and structural optimization, an innovative power battery pack design scheme is proposed, aiming to achieve a more efficient and lighter electric vehicle power system.
How to optimize mechanical design of a battery pack enclosure?
In this study, a design optimization methodology is proposed to optimize the features of mechanical design (e.g. minimization of mass, maximization of minimum natural frequency and minimization of maximum deformation) of the battery pack enclosure. The proposed methodology is comprised of four phases.
Why is structure design important for a battery pack?
Despite the remarkable progress in battery technology, there are still many challenges in optimizing the structure design of battery packs to achieve lighter, safer, and more efficient systems. Lightweight design is particularly important because reducing the overall weight of a vehicle can significantly improve energy efficiency and endurance.
How to achieve vibration isolation of battery pack?
Literature study conducted by (Jaguemont et al. 2016) and (Chen et al. 2017) stated that the vibration isolation of the battery pack can be achieved by designing the new structure of battery pack/mounting frame, selecting appropriate materials and placing battery pack in the vehicle.
How many units are there in a battery pack model?
Through the finite element analysis software ANSYS Workbench on the electric vehicle battery pack model of Q235 steel material given a mesh cell division, finally, a model grid was constructed containing 275953 units and 546089 nodes.