Achieving long-cycle-life, aqueous, dual-electrode-free Zn/MnO2 batteries with high energy density is challenging. This work introduces a liquid crystal interphase in the electrolytes with soft
performance of liquid-electrolyte lithium-metal batteries showed that inducing mechanical pressure and plastic flow of the lithium is beneficial to suppressing the dendrite formation [5] and break-
The positive electrode of LMB is composed of the liquid Sb Sn alloy, while the negative electrode is the liquid lithium absorbed in the nickel foam. Therefore, after a 90° complete dumping, the lithium of the negative electrode will undergo a violent chemical reaction with Sb Sn, resulting in a large amount of heat energy release.
Wang, S. et al. Deformable lithium-ion batteries for wearable and implantable electronics. Appl. Phys. Rev. 9 (2022). Shen, W. et al. Highly-safe and ultra-stable all-flexible
A simultaneously coupled modeling approach to study the electrochemical and thermal behavior of lithium-ion batteries under large mechanical deformation has been developed. The thermo-electrochemical pseudo-2D (P2D) battery model is coupled with a mechanical material model. Mechanical, thermal, and electrochemical models are
Lithium metal batteries (LMBs), with their ultralow reduction potential and high theoretical capacity, are widely regarded as the most promising technical pathway for achieving high energy density
When building battery systems with lithium-ion (Li-ion) cells, various issues can arise, including overcharging and deep discharge, resulting in high temperatures, gas generation, and, in worst cases, thermal runaway [14].
Each of the five components may develop a large plastic deformation until fracture. This study focuses on the effect of the properties of the coated materials on the local and global responses of...
Each of the five components may develop a large plastic deformation until fracture. This study focuses on the effect of the properties of the coated materials on the local and global responses of...
With the growing applications of portable electronics, electric vehicles, and smart grids, lithium (Li)-based metal batteries, including Li-ion batteries [], Li-S batteries [], and Li-air batteries [], have been rapidly developed in recent years.To increase the mileage of applications, such as electric vehicles, power Li batteries must possess high energy densities.
Each of the five components may develop a large plastic deformation until fracture. This study focuses on the effect of the properties of the coated materials on the local
Each of the five components may develop a large plastic deformation until fracture. This study focuses on the effect of the properties of the coated materials on the local and global responses of a battery cell.
5. Electrode piece expansion: The expansion phenomenon of the electrode and diaphragm during the static and formation process after liquid injection can lead to an increase in the thickness of the battery cells. The
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
When building battery systems with lithium-ion (Li-ion) cells, various issues can arise, including overcharging and deep discharge, resulting in high temperatures, gas generation, and, in worst cases, thermal runaway [14].
Each of the five components may develop a large plastic deformation until fracture. This study focuses on the effect of the properties of the coated materials on the local and global
We propose here a practical and accurate computational model based on two assumptions. First, the cell is treated as a homogenized medium mechanically equivalent to its discrete layered structure of alternating
performance of liquid-electrolyte lithium-metal batteries showed that inducing mechanical pressure and plastic flow of the lithium is beneficial to suppressing the dendrite formation [5]
Parmi les différents types de batteries au lithium, deux catégories prédominantes ont émergé comme normes industrielles : les batteries lithium-ion (Li-ion) et lithium polymère (LiPo). Les batteries lithium-ion utilisent un électrolyte liquide et sont couramment utilisées dans de nombreux appareils électroniques tels que les smartphones, les ordinateurs portables et
The first rechargeable lithium battery was designed by Whittingham (Exxon) most commercially available Li-ion batteries use nonaqueous liquid electrolyte solvents containing lithium salts. The range of solvents suitable for electrolytes is limited since they must be mechanically, thermally, and electrochemically stable at both the anode (low potential) and the
It is imperative to develop flexible batteries that can withstand deformation under different conditions and maintain stable battery performance. This paper reviews the latest research progress of flexible lithium batteries, from the research and development of new flexible battery materials, advanced preparation processes, and typical flexible structure design. First,
A simultaneously coupled modeling approach to study the electrochemical and thermal behavior of lithium-ion batteries under large mechanical deformation has been
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 of the anode and the cathode. Fracture of Li-ion batteries is
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. Nanoindentation tests
Models exploring electrochemistry-mechanics coupling in liquid electrolyte lithium-ion battery anodes have traditionally incorporated stress impact on thermodynamics, bulk diffusive transport, and fracture, while stress-kinetics coupling is more explored in the context of all solid-state batteries. Here, we showcase the existence of strong link between active particle
Wang, S. et al. Deformable lithium-ion batteries for wearable and implantable electronics. Appl. Phys. Rev. 9 (2022). Shen, W. et al. Highly-safe and ultra-stable all-flexible gel polymer lithium
A simultaneously coupled modeling approach to study the electrochemical and thermal behavior of lithium-ion batteries under large mechanical deformation has been developed. The thermo-electrochemical pseudo-2D (P2D) battery model is coupled with a mechanical material model. Mechanical, thermal, and electrochemical models are implemented as user
Each of the five components may develop a large plastic deformation until fracture. This study focuses on the effect of the properties of the coated materials on the local and global responses of...
We propose here a practical and accurate computational model based on two assumptions. First, the cell is treated as a homogenized medium mechanically equivalent to its discrete layered structure of alternating electrodes and separators.
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 of the anode and the cathode. Fracture of Li-ion batteries is preceded by strain localization, as indicated by simulation.
A simultaneously coupled modeling approach to study the electrochemical and thermal behavior of lithium-ion batteries under large mechanical deformation has been developed. The thermo-electrochemical pseudo-2D (P2D) battery model is coupled with a mechanical material model.
Mechanisms under which lithium-ion batteries are severely deformed due to compression, bending, impact or nail penetration and undergo the resulted electrical failure are discussed in .
Safety of lithium-ion batteries under mechanical loadings is currently one of the most challenging and urgent issues facing in the Electric Vehicle (EV) industry. The architecture of all types of large-format automotive batteries is an assembly of alternating layers of anode, separator, and cathode.
The sliding mechanism with no hardening is the property of the granular material. However, the coating includes some 5–10 wt% of the binder and its presence could change the overall response of the aggregate. The properties and content of the binder would affect the safety of lithium-ion batteries but this aspect has never been studied before.
Fracture initiates from aluminum foil and ends up with separator as the cause of short circuit. Safety of lithium-ion batteries under mechanical loadings is currently one of the most challenging and urgent issues facing in the Electric Vehicle (EV) industry.
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