In this application note, GC-MS-FTIR was used to accurately detect and analyze the composition of a gas sample from a swollen lithium-ion battery. This provided a comprehensive dataset of complementary GC-MS and FTIR results, offering more accurate and complete insights than each individual method could provide alone.
Another factor influencing the performance of LIBs is the volumetric expansion and contraction of electrode materials during lithium-ion diffusion, which occurs inevitably with the ionic current flow back and forth. This leads to structural changes and electrochemical instability which cause degradation in overall capacity of battery cells 32.
Lithium-ion battery (LIB) system consists of anode, cathode, electrolyte, separator to name few. The interaction between each component is very complicated, which hinders the full understanding of all the interactions needed for developing high performance LIBs 1.
2-butene, and isobutylene). Lithium-ion battery swelling presents certain safety risks, including thermal runaway, off-gassing, and expansion deformation. Understanding the composition of the battery gas is crucial for optimizing the electrolyte composition and minimizing these risks.
This study proposed a gas detection method for battery cell venting in battery packs. The summary of prior battery abuse experiments with overheating, overcharging and nail penetration all indicated the presence of CO2 in the vent-gas.
To apply the gas detection methods in battery packs, two issues must be considered: (1) the delay of gas detection due to the time needed for gas propagation in packs, and (2) the threshold for gas detection. 5.2. Gas detection response time
composition of lithium-ion battery gases, a multi-modal analysis is necessary for complete characterization. In this application note, GC-MS-FTIR was used to accurately detect and …
Thermal runaway gas analysis is a powerful technique for lithium-ion battery (LIB) safety management and risk assessment. Here, we propose a novel hollow-core a
LiCoO2 is a dominant cathode material for lithium-ion (Li-ion) batteries due to its high volumetric energy density, which could potentially be further improved by charging to high voltages.
Lithium-ion battery (LIB) system consists of anode, cathode, electrolyte, separator to name few. The interaction between each component is very complicated, which hinders the …
The active nature of lithium ions and various abuse circumstances (Fig. 1) (such as mechanical abuse, electrical abuse and thermal abuse) [11] of LIBs can lead to irreversible …
This study proposed a gas detection method for battery cell venting in battery packs. The summary of prior battery abuse experiments with overheating, overcharging and …
composition of lithium-ion battery gases, a multi-modal analysis is necessary for complete …
Monitoring the thermal runaway of lithium-ion battery, especially to detect the thermal runaway fault of lithiumion battery in the overcharge state is of great importance. This paper, therefore, …
Lithium deposition on anode surfaces can lead to fast capacity degradation and decreased safety properties of Li-ion cells. To avoid the critical aging mechanism of lithium …
The simplest method for monitoring gas evolution is through measurement of pouch cell thickness, the variation of cell thickness should provide insight into the extent of gas …
The existing battery failure assessment methods mainly include monitoring the battery surface temperature, pressure signal, current and voltage inside the battery, and …
FTIR can also detect organic impurities or surface contaminants on the black mass particles, such as carbonaceous residues or coatings that may form during the recycling …
This study proposed a gas detection method for battery cell venting in battery …
In this study, a method for identifying the main components of lithium salts in lithium-ion battery …
CT is a stereoscopic imaging technology that enables three-dimensional detection of the internal structure of batteries without any blind spots, allowing for …
The composition of battery vent-gas during a thermal runaway event includes CO 2, CO, H 2 and volatile organic compounds (VOCs). Among these gas species, there is still …
Thermal runaway can occur despite proper battery usage because defects in lithium-ion batteries are difficult to detect and manage (Ruiz and Pfrang Citation 2018; Zhao, …
Grimsmann et al. [54] used a high-precision sensor to detect even small amounts of Li deposition and used this method to determine maximum C-rates for cells. This is …
High-throughput materials research is strongly required to accelerate the development of safe and high energy-density lithium-ion battery (LIB) applicable to electric …
FTIR can also detect organic impurities or surface contaminants on the black …
Grimsmann et al. [54] used a high-precision sensor to detect even small …
This research addresses the critical challenge of classifying surface defects in lithium electronic components, crucial for ensuring the reliability and safety of lithium batteries. With a scarcity of …
Lithium-ion batteries, with high energy density (up to 705 Wh/L) and power density (up to 10,000 W/L), exhibit high capacity and great working performance.
The widespread use of lithium-ion (Li-ion) batteries in various industries has highlighted the critical need for effective off-gas detection to ensure safety and performance. …
In this study, a method for identifying the main components of lithium salts in lithium-ion battery electrolytes was established using a Metrohm 930 ion chromatography system (IC) coupled …
Lithium deposition on anode surfaces can lead to fast capacity degradation and decreased safety properties of Li-ion cells. To avoid the critical aging mechanism of lithium …