Lithium (Li)-ion batteries have transformed modern life by creating a rechargeable world through their applications in electronics, vehicles, and energy storage. …
Lithium-ion batteries (LIBs) play a key role in grid-scale energy storage, making the development of LIBs with higher gravimetric energy density (GED) a necessity. Performance of thick electrodes ...
Silicon is a promising electrode material for lithium-ion batteries; however, morphological changes shorten battery lifetimes. Here the authors use imaging techniques based on electrons and X-rays ...
The assembled symmetric lithium battery with PE-ZIF-8@MXene exhibited a long cycling life up to 2000 h at 0.5 mA cm −2, and the Li|PE-ZIF-8@MXene|Li batteries with PE-ZIF-8@MXene presented a high capacity retention of …
Large-format lithium-ion (Li-ion) batteries with high energy density for electric vehicles are prone to thermal runaway (or even explosion) under abusive conditions. In this study, overcharge induced explosion behaviors of large-format Li-ion pouch cells with Li[Ni 0.8 Co 0.1 Mn 0.1]O 2 cathode at different current rates (C-rates) (0.5C, 1C, 2C) …
Electrolytes for low temperature, high energy lithium metal batteries are expected to possess both fast Li+ transfer in the bulk electrolytes (low bulk resistance) and a fast Li+ de-solvation process at the electrode/electrolyte interface (low interfacial resistance). However, the nature of the solvent deter
Download Citation | The Safety Evaluation Test of Lithium-Ion Batteries in Vehicles - Investigation of Overcharge Test Method - | We conducted overcharge tests on various types of lithium-ion ...
A comparative investigation of carbon black (Super-P) and vapor-grown carbon fibers (VGCFs) as conductive additives for lithium-ion battery cathodes Inseong Cho,†a Jaecheol Choi,†b Kyuman Kim,a Myung-Hyun Ryou*a and Yong Min Lee*a To investigate the
Early researchers believed that impedance of a battery is contributed by different factors, such as the electrolyte, the passivation film, charge transfer, lithium-ion diffusion in electrodes, etc. 8–13 Three-electrode electrochemical impedance spectroscopy (EIS) has been developed to analyze the individual effects of each component on …
Lithium sulfur (Li–S) batteries can offer great opportunities for the next-generation energy storage systems with tremendous energy density. However, challenges still exist in practical Li–S batteries including low sulfur utilization, and poor cycling stability and rate capability. Herein, we propose a novel hybrid catalyst structure by in situ implanting nanocrystal …
Introduction Lithium-sulfur (Li-S) batteries are one of the most attractive energy storage systems owing to their high theoretical capacity of l672 mAh g −1 [1], regarded as promising devices for meeting the requirement of increased power output applications such as electric vehicles (EVs) and hybrid electric vehicles (HEVs) [2,3].
Study thermal management of a lithium-ion BYP with 9 cylindrical cells is performed. • BYP is filled with PCM to better temperature uniformity on the battery cells. • T-BTs is not significantly impacted by changing the …
In this study, a combined method of stacking pressure analysis, interface morphology observation, and electrochemical impedance spectroscopy was used to …
Experimental investigation of the lithium-ion battery impedance characteristic at various conditions and aging states and its influence on the application Appl. Energy, 102 ( 2013 ), pp. 885 - 897, 10.1016/j.apenergy.2012.09.030
As an integral component of electrodes, binder is one of the key factors for improving of the performance and prolonging the service life of lithium batteries. To predict the service life of lithium batteries, observing the impedance evolution of batteries during the cycling process has been considered as a promising strategy. Electrochemical …
The main challenge that hinders lithium-ion batteries in space applications is their poor performance at subzero temperatures. Such poor performance is primarily due to the low ionic conductivity and freezing of the electrolyte, leading to the loss of battery capacity. This research investigates the behavior of lithium-ion batteries at …
Low-temperature high-rate cycling leads to accelerated performance degradation of lithium-ion batteries, which seriously hampers the large-scale popularization of electric vehicles. To clarify the battery degradation characteristics and mechanisms, this work conducts an in-depth investigation on the commercial lithium-ion batteries with 37 …
Understanding the aging mechanism for lithium-ion batteries (LiBs) is crucial for optimizing the battery operation in real-life applications. This article gives a systematic description of the LiBs aging …
Large-format prismatic lithium-ion batteries (LIBs) with 52 Ah capacity and Verband Der Automobilindustrie (VDA) standard dimensions were cycled under a preloading force of 2.5 kN at 25 C. When cycled, the LIBs exhibited a …
This work, for the first time, comprehensively investigates the impact of different overcharge degrees on degradation and thermal runaway behavior of lithium-ion batteries.
Experimental and Simulation Investigations of Porosity Graded Cathodes in Mitigating Battery Degradation of High Voltage Lithium-Ion Batteries, Lin Liu, Pengjian Guan, Changhong Liu As one promising candidate for high-voltage lithium-ion batteries (LIBs), 1–6 the LiNi 0.5 Mn 1.5 O 4 (LNMO) cathode possesses a high theoretical …
Abstract. To facilitate construction analysis, failure analysis, and research in lithium–ion battery technology, a high quality methodology for battery disassembly is nee-ded. This …
All-solid-state lithium‑sulfur batteries are becoming a breakthrough technology for energy storage systems due to its high energy density, high safety and low cost of sulfur.
2 · A module-based approach was developed in this research to investigate the dissipation performance of Li-ion battery pack considering different battery arrangement …
The Li-ion cells (20 no''s) are assembled in 5-series-4-parallel configuration using holders as shown in Fig. 1 (a). ... Twenty lithium-ion batteries are connected in a 5S4P configuration and placed in a rectangular enclosure. The …
Rechargeable Li batteries have undergone rapid development to meet the increasing demands of energy storage for application in portable electronic devices and electric vehicles. 1–3 However, although current Li batteries with organic liquid electrolytes offer the benefits of relatively high energy densities and long cycle lives, their energy …
Differential voltage analysis (dV/dQ) and alternating current (AC) impedance are mainly used to investigate battery degradation mechanisms quantitatively.
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