Using lithium-ion batteries requires an understanding of their deformation and failure under mechanical abuse. Properties of batteries under through-thickness loading has been the subject of various studies over recent years, however, in-plane properties are not yet fully understood.
This paper proposes a systematic approach for both, a remanufacturable battery module and an automated remanufacturing station. In the beginning the joints in a battery module are investigated and categorized, …
The Li-ion high voltage battery (hereinafter the EVB) is our case study. It essentially comprises a pack of 8 modules with 12 cells in each one (96 cells in total), the Battery Management Controller (BMC), the Battery Junction Box (BJB) and the cooling system. Fig. 3, Fig. 4, show detailed pictures of the battery, where the components and …
Development of high energy density solid-state batteries with Li metal anodes has been limited by uncontrollable growth of Li dendrites in liquid and solid electrolytes (SEs). This, in part, may be caused by a dearth of information about mechanical properties of Li, especially at the nano- and microlength scales and microstructures …
1. Introduction Lithium-ion batteries have gained widespread usage in society, with cylindrical cells playing a crucial role. Tesla Motors Inc. highlighted the industrial significance of producing billions of cylindrical type 18650 lithium-ion battery cells annually in 2006 [1].].
An effective lithium-ion battery (LIB) recycling infrastructure is of great importance to alleviate the concerns over the disposal of waste LIBs and the sustainability of critical elements for producing LIB components. The End-of-life (EOL) LIBs are in various sizes and shapes, which create significant challenges to automate a few unit operations …
DOI: 10.1016/j.est.2024.111521 Corpus ID: 268940045 Mechanics and deformation behavior of lithium-ion battery electrode during calendering process @article{Wang2024MechanicsAD, title={Mechanics and deformation behavior of lithium-ion battery electrode during calendering process}, author={Dongcheng Wang and …
Using lithium-ion batteries requires an understanding of their deformation and failure under mechanical abuse. Properties of batteries under through-thickness …
A recurrent neural network model is proposed to describe the large deformation response of Li-ion battery cells in a homogenized manner. The characteristic unit cell of battery cells is a layered structure composed of a fully-dense and porous materials including polymers, metal foils and granular matter.
Understanding mechanisms of deformation of battery cell components is important in order to improve the mechanical safety of lithium-ion batteries. In this study, …
Li et al. [30] characterized the large deformation and fracture behavior of batteries under mechanical loadings based on an anisotropic plasticity model. Zhu et al. [31] used scanning electron microscopy and X-ray computed tomography to observe crushing of graphite, mud cracking of copper current collectors and enlarged pores in separator.
The effects of extended charge/discharge cycling on the morphology of the jelly roll of commercial 18650 lithium-ion battery cells (Sanyo UR18650E) are shown and discussed. Using micro X-ray computed tomography combined with post-mortem analysis it is shown that the jelly roll exhibits significant deformations after charge/discharge cycling.
Visual inspection of the battery components after cell disassembly. The two images on the left-hand side show a comparison of a) fresh and b) aged separators, whereby a distinct ...
This paper provides a methodology for conducting battery disassembly while preserving the original failed state of the cell. To …
Introduction The charge and discharge induced aging of lithium-ion batteries, mainly the capacity loss of the battery cells after years of operation, is still a big challenge for the fast-growing market of electric vehicles worldwide. Researchers are continuously studying ...
Deformation and failure of Li-ion batteries can be accurately described by a detailed FE model. • The DPC plasticity model well characterizes the granular coatings …
To improve the sorting of the battery pack components to achieve high-quality recycling after the disassembly, a labeling system containing the relevant data (e.g., cathode chemistry) about the ...
As the global energy policy gradually shifts from fossil energy to renewable energy, lithium batteries, as important energy storage devices, have a great advantage over other batteries and have attracted widespread attention. With the increasing energy density of lithium batteries, promotion of their safety is urgent. Thermal runaway is an …
In case of electric vehicles (EV) powered by lithium ion traction batteries (LIB), remanufacturing processes nbecome increasingly important due to their rising market share and
By increasingly strict regulations, the automotive industry is forced to create environmentally friendly vehicle concepts such as battery electric vehicles (BEVs). The automated dismantling of Li-ion batteries up to cell level provides the opportunity to remanufacture or ...
Review—Post-Mortem Analysis of Aged Lithium-Ion Batteries
The calendering process in lithium-ion battery electrode manufacturing is pivotal and significantly affects battery performance and longevity. However, current research on the mechanical and deformation characteristics of lithium-ion battery electrodes during calendering is limited, and a systematic theoretical foundation for …
Figure 3 shows the load–deformation curves of lithium-ion batteries with different SOCs. With increasing deformation, loads on the batteries with different SOCs show a virtually identical upward trend in the early stage. When deformation exceeded 2 mm, batteries ...
Lithium ion battery degradation: what you need to know
Pioneering work of the lithium-ion battery began in the early 900s, but only after 1970s non-rechargeable lithium batteries became commercially available, using metallic lithium as anode material. At today, rechargeable Li-ion batteries uses graphite as anode, while a metal oxide is used as the cathode.
Developed a 3D unit cell model of Li-Ion battery. • Generated "big data" on multiaxial stress-strain response of battery cells. • Applied an enhanced anisotropic Deshpande-Fleck model to describe homogenized response of battery cells. • Proposed machine-learning
With the growing requirements of retired electric vehicles (EVs), the recycling of EV batteries is being paid more and more attention to regarding its disassembly and echelon utilization to reach highly efficient resource utilization and environmental protection. In order to make full use of the retired EV batteries, we here …
Lithium-ion batteries cause serious safety concerns subjected to extreme mechanical loads. Large deformation and fracture can trigger an internal short circuit that may end up with thermal runaway. The high dimensionality of battery systems arising from …
Fig. 1: Flowchart of the methodology applied to the state of the art battery module 616 Jens Schäfer et al. / Procedia Manufacturing 43 (2020) 614â€"619 J. Schäfer, R. Singer, J. Hofmann and J. Fleischer / Procedia Manufacturing 00 (2019) 000â€"000 3 Fig
For the aging experiments we used commercial 18650-type Lithium-ion batteries with and without center pin. Details on the cells and the aging conditions are summarized in Table I and Table II, respectively order to make sure that the jelly roll deformation is not ...
Understanding mechanisms of deformation of battery cell components is important in order to improve the mechanical safety of lithium-ion batteries. In this study, micro-scale deformation and failure of fully-discharged battery components including an anode, a cathode, and a separator were investigated at room temperature.
A large number of battery pack returns from electric vehicles (EV) is expected for the next years, which requires economically efficient disassembly capacities. This cannot be met through purely manual processing and, therefore, needs to be automated. The variance of different battery pack designs in terms of (non-) solvable …
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