Humidity levels have a significant impact on battery leakage, particularly in lithium-ion batteries and zinc-air batteries. Understanding the intricate relationship between humidity and battery performance is crucial for ensuring the reliability and longevity of …
An attractive phenomenon of the lithium plating is detected. Electrolyte leakage is one of the typical faults that lead to battery failure, and its failure mechanism is still ambiguous. Therefore, it is crucial to investigate the experimental method and failure mechanism of lithium-ion battery electrolyte leakage.
Attractive phenomena of the voltage plateau during relaxation and the current peak at the constant-voltage charging stage is detected, indicating the potential lithium plating of the leaking battery. Moreover, the characteristics and complementary behaviors of current peak and voltage plateau in different states are described.
Criteria for quality control: The influence of electrode defects on the performance of lithium-ion batteries is reviewed. Point and line defects as well as inhomogeneities in microstructure and composition and metallic impurities are addressed.
Through the combined in-situ and ex-situ thermodynamic analysis, it can be concluded that the battery capacity decay caused by electrolyte leakage is mainly composed of the negative electrode active material loss and the lithium ions loss.
In fact, during the leakage process, not only the content of the battery electrolyte is reduced, but also the electrolyte continuously reacts with various components in the air , , , , resulting in the decomposition and variation of the electrolyte composition.
As known, the leakage of lithium battery (LIB) electrolyte is an important cause for runaway failure of LIB, so it has great significance to develop an approach for electrolyte leakage detection with low detection limit and fast response.
Humidity levels have a significant impact on battery leakage, particularly in lithium-ion batteries and zinc-air batteries. Understanding the intricate relationship between humidity and battery performance is crucial for ensuring the reliability and longevity of …
External short circuiting (ESC) is a main source of battery faults. However, the ESC damage mechanism and its evolution process are unclear, resulting in difficulties in safety management. Here, we report the impact of different ESC durations on battery performance and divide the ESC process into four stages.
The main function of these membranes is to prevent the positive and negative electrodes electrically contacting each other, and allow rapid ionic transport to complete the circuit for the passage of current in lithium ion batteries. Therefore, they play very important roles in lithium ion batteries, and may affect the electrochemical energy ...
The ex-situ detection results corroborate the deterioration of the battery negative electrode active material and the existence of lithium plating. The generation and difference of the current peak and the voltage plateau can be interpreted by the re-intercalation of partially deposited lithium into the graphitic negative structure [37]. In the ...
Solid-state lithium-based batteries offer higher energy density than their Li-ion counterparts. Yet they are limited in terms of negative electrode discharge performance and require high stack ...
Lithium–oxygen batteries (LOBs) are promising next-generation rechargeable batteries due to their high theoretical energy densities. The optimization of the porous carbon-based positive electrode is a crucial challenge in the practical implementation of LOB technologies. Although numerous studies have been conducted regarding the relationships between LOB …
Rapid detection of dimethyl carbonate (50 ppb) and LIB electrolyte (20 nL) leakage could be achieved within seconds. Mechanistic studies showed that direct interaction …
Criteria for quality control: The influence of electrode defects on the performance of lithium-ion batteries is reviewed. Point and line defects as well as inhomogeneities in microstructure and composition and metallic impurities …
Criteria for quality control: The influence of electrode defects on the performance of lithium-ion batteries is reviewed. Point and line defects as well as inhomogeneities in microstructure and composition and metallic impurities are addressed. There is urgent need to investigate and understand more deeply fundamental mechanisms but also ...
In this study, we employ a pseudo-two-dimensional model (P2D) to investigate the secondary reactions of lithium insertion and stripping at the negative electrode. By simulating charge and …
Lithium-ion batteries (LIBs) have raised increasing interest due to their high potential for providing efficient energy storage and environmental sustainability [1].LIBs are currently used not only in portable electronics, such as computers and cell phones [2], but also for electric or hybrid vehicles [3] fact, for all those applications, LIBs'' excellent performance and …
To address the rapidly growing demand for energy storage and power sources, large quantities of lithium-ion batteries (LIBs) have been manufactured, leading to severe shortages of lithium and cobalt resources. Retired lithium-ion batteries are rich in metal, which easily causes environmental hazards and resource scarcity problems. The appropriate …
The high concentration polarization at the end of discharge may be attributed to the movement of lithium ions from the negative to the positive electrode inside the battery, where the lithium-ion ...
As known, the leakage of lithium battery (LIB) electrolyte is an important cause for runaway failure of LIB, so it has great significance to develop an approach for electrolyte …
Lithium (Li) metal is a promising negative electrode material for high-energy-density rechargeable batteries, owing to its exceptional specific capacity, low electrochemical potential, and low density. However, challenges …
In this work, we discovered, for the first time, that electrode edge effects play an important role in the failure of Li-metal batteries. The dead Li formed on the edge of Cu substrate was systematically investigated through SEM, energy-dispersive X-ray (EDX) spectroscopy, and 2D X-ray photoelectron spectroscopy (XPS). To minimize the Li loss ...
Leakage of flammable organic liquid electrolytes is one of the most critical issues related to the safe usage of conventional lithium-ion batteries (LIBs). The low thermal stability and low flame point of organic solvent in liquid electrolytes can cause fire accidents and explosions.
The main function of these membranes is to prevent the positive and negative electrodes electrically contacting each other, and allow rapid ionic transport to complete the circuit for the …
Lithium-ion batteries (LIBs) are widely used in consumer electronics—including smart equipment, electronic bikes, medical devices, and telecommunication. As the global market for electric vehicles and energy …
Under high-rate discharge, lithium ions are swiftly depleted at the cathode, causing a concentration gradient and potential difference that drives the movement of lithium ions from the negative electrode through the separator to the positive electrode, replenishing the ions. This process increases the polarization resistance. Concurrently, heat generation due to the …
Later, solid-state lithium-ion batteries are preferred over both aqueous lithium-ion batteries and organic-based lithium-ion batteries due to their outstanding electrochemical competencies. The electrochemical cycles of batteries can be increased by the creation of a solid electrolyte interface. Solid-state batteries exhibited considerable efficiency in the presence of …
Rapid detection of dimethyl carbonate (50 ppb) and LIB electrolyte (20 nL) leakage could be achieved within seconds. Mechanistic studies showed that direct interaction between analytes and metal ions in IC-MOF thin films might account for the sensor''s ultrahigh sensitivity and response speed.
External short circuiting (ESC) is a main source of battery faults. However, the ESC damage mechanism and its evolution process are unclear, resulting in difficulties in safety management. Here, we report the impact of …
Leakage of flammable organic liquid electrolytes is one of the most critical issues related to the safe usage of conventional lithium-ion batteries (LIBs). The low thermal stability and low flame …
In this study, we employ a pseudo-two-dimensional model (P2D) to investigate the secondary reactions of lithium insertion and stripping at the negative electrode. By simulating charge and discharge processes under different levels of wetting, we explore the uneven distribution of lithium plating resulting from inadequate wetting and delve into ...
In this work, we discovered, for the first time, that electrode edge effects play an important role in the failure of Li-metal batteries. The dead Li formed on the edge of Cu substrate was systematically investigated through …
Lithium (Li) metal is a promising negative electrode material for high-energy-density rechargeable batteries, owing to its exceptional specific capacity, low electrochemical potential, and low density. However, challenges such as dendritic Li deposits, leading to internal short-circuits, and low Coulombic efficiency hinder the widespread ...
As known, the leakage of lithium battery (LIB) electrolyte is an important cause for runaway failure of LIB, so it has great significance to develop an approach for electrolyte leakage detection with low detection limit and fast response.
Lithium-ion battery (LIB) is one of rechargeable battery types in which lithium ions move from the negative electrode (anode) to the positive electrode (cathode) during discharge, and back when charging. It is the most popular choice for consumer electronics applications mainly due to high-energy density, longer cycle and shelf life, and no memory effect.
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