And this study is going to develop swappable battery pack the electric vehicle and detail analysis on the frame study, battery thermal management system (BTMs) and weight minimization on the battery pack as case study on a baseline of RAV4 EV battery model, this existing vehicle uses permanently attached battery pack.
control only changes the location of the batteries and the neighboring local topology of the chassis frames to satisfy the manufacturability for a specific connection technique, but has little impact on the overall load-bearing capacity due to the consistency of the entire structural weight and the material usage of each component.
The topological parametrization of load-bearing batteries and chassis structures is first introduced in Sect. 2, including the construction of the non-overlapping constraint with a minimum battery spacing control. Then, the concurrent TO model is constructed in Sect. 3.
Robust mechanical design and battery packaging can provide greater degree of protection against all of these. This chapter discusses design elements like thermal barrier and gas exhaust mechanism that can be integrated into battery packaging to mitigate the high safety risks associated with failure of an electric vehicle (EV) battery pack.
Several patented mechanical design solutions, developed with an aim to increase crashworthiness and vibration isolation in EV battery pack, are discussed. Lastly, mechanical design of the battery pack of the first fully electric bus designed and developed in Australia is presented.
The load-bearing chassis structure can be designed throughout the whole design domain except for the wheels ( e = 0 , red solid line), the electric motors ( e = 0 , blue solid line) and the bumper beams ( = given region in the center of the EV chassis (dashed line). Three boundary conditions are taken into account with a same weight.
As for the former results, the load-bearing chassis topolo- gies are optimized by solving a classic TO model with consideration of the non-designable centralized batteries, which have the structural compliance values c = 401.6 J and 407.6 J. The latter ones of compliance values c = 395.1
And this study is going to develop swappable battery pack the electric vehicle and detail analysis on the frame study, battery thermal management system (BTMs) and weight minimization on the battery pack as case study on a baseline of RAV4 EV battery model, this existing vehicle uses permanently attached battery pack.
This paper presents an electric vehicle (EV) chassis conceptual design approach of optimizing porous load-bearing frames and distributed Li-ion batteries of different sizes and shapes concurrently. A local volume constraint is imposed on the chassis frames to design the topologies of porous patterns for enhancing the robustness w.r.t. battery ...
The coupled structural batteries involve the integration process of materials with energy storage capabilities and load-bearing capabilities within the battery. For instance, to …
cooling and structural load-bearing are adopted in the battery box. This structure offers a lot of optimization potential. For a future modular battery system design, a self-sufficient …
Power battery pack is an important factor affecting the body design of electric vehicles. In order to study the modeling of power battery packs and its impact on body performance, it was proposed to use the finite element method for modeling the power battery pack and analyzing its influence on the performance of the body-in-white. Based on a ...
The mechanical design of a battery pack needs to consider every element of the system. You need to look at static stiffness, dynamic stiffness and behaviour of components. For the design of the 2019 Porsche Taycan the battery housing …
Power battery pack is an important factor affecting the body design of electric vehicles. In order to study the modeling of power battery packs and its impact on body …
The invention discloses a combined positioning frame of a lithium ion battery pack. The combined positioning frame comprises a frame main body (1), wherein the frame main body (1) is provided with a plurality of battery cell patchholes (2) in which to-be-assembled lithium ion battery cells are inserted. The bottom part of the frame main body (1) is provided with a plurality of bearing ...
In this study, the optimum design of load carrying battery packs that can also exchange heat with a coolant is presented. The level set topology optimization method is used …
Several patented mechanical design solutions, developed with an aim to increase crashworthiness and vibration isolation in EV battery pack, are discussed. Lastly, mechanical design of the...
In this work, a systematic conceptual design approach is developed for designing a CTC EV chassis topology inte-grated with distributed load-bearing batteries of diferent specifications …
In this study, the optimum design of load carrying battery packs that can also exchange heat with a coolant is presented. The level set topology optimization method is used as the design tool.
In this work, a systematic conceptual design approach is developed for designing a CTC EV chassis topology integrated with distributed load-bearing batteries of different specifications under given battery capacity and limited structural weight.
Several studies have been conducted to protect batteries, such as attaching an underbody shield to the lower part of the vehicle or increasing the load-bearing capability of the battery...
The coupled structural batteries involve the integration process of materials with energy storage capabilities and load-bearing capabilities within the battery. For instance, to improve the load-bearing ability of the electrodes, active particles are coated directly on the carbon fiber frames with higher mechanical properties than foil current ...
In this work, a systematic conceptual design approach is developed for designing a CTC EV chassis topology inte-grated with distributed load-bearing batteries of diferent specifications under given battery capacity and limited struc-tural weight.
Several patented mechanical design solutions, developed with an aim to increase crashworthiness and vibration isolation in EV battery pack, are discussed. Lastly, mechanical design of the...
structural enhancements in battery packs and protective measures significantly improve battery performance and durability. In frame optimization, innovations in frame structure and materials, including the integration of high-strengt h steel and aluminum foam, have led to improved load-bearing capacity, durability, and lightweight. Multi ...
Bearing Frame: This structural frame forms the foundation of the battery pack and holds all its components in place. It is further divided into an upper frame and a lower frame, each serving ...
1, 2 Laser beam welding has gained popularity in battery pack manufacturing, offering ... it becomes a crucial load-bearing element. Employing Finite Element Modeling (FEM), structural strength ...
This work thus introduces MESC structures as an alternate strategy towards fabrication of structural load-bearing batteries – an intermediate, multidisciplinary strategy. MESCs represent a novel form of multifunctional structural battery materials that can carry mechanical loads while simultaneously providing energy-storage capabilities (Fig ...
In this study, the optimum design of load carrying battery packs that can also exchange heat with a coolant is presented. The level set topology optimization method is used as the design tool. The flow is modeled using the Darcy potential flow, and the heat transfer is modeled using the convection-diffusion equation. The displacement field is ...
For a CTC EV chassis, each battery cell is firmly mounted on frames and sealing sheets (cockpit floor and waterproof plate) as not only an electricity container but also a load-bearing part. Owing to the absence of pack structures, battery cells are capable to be placed anywhere in any shape or size, which causes the existing chassis with ...
cooling and structural load-bearing are adopted in the battery box. This structure offers a lot of optimization potential. For a future modular battery system design, a self-sufficient deployment strategy of the individual battery modules without the previous strong dependence on a load-bearing frame and the cooling structure
The EV battery boxes'' tray is made from soft steel, drawn to form completely vertical (90°) side walls that optimize the space for the battery pack. The tray also prevents the EV battery cells from leaking into the environment during and after a crash. A frame around the battery tray provides impact protection as well as a stabilizing ...
This article will discuss the frame structure design of modern lithium battery pack from these three aspects. Cell Design cell is the core component of lithium battery pack, and its design is directly related to the performance, life and safety of the battery.
This article will discuss the frame structure design of modern lithium battery pack from these three aspects. Cell Design cell is the core component of lithium battery pack, …
This paper presents an electric vehicle (EV) chassis conceptual design approach of optimizing porous load-bearing frames and distributed Li-ion batteries of different sizes and shapes …
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