Here, we first propose a comprehensive evaluation method of lithium sulfur (Li-S) pouch cells safety performance, including nail penetration, impact, external short circuit and overcharge tests. Using high definition IR imaging combined with a temperature-voltage data acquisition system, XPS and SEM,...
However, the practical specific energy and cycle life of Li–S pouch cells are significantly limited by the use of thin sulfur electrodes, flooded electrolytes and Li metal degradation. Here we propose a cathode design concept to achieve good Li–S pouch cell performances. The cathode is ...
Working principle of lithium-sulfur battery and "shuttle" effect Specific energy 450 Wh/kg[1] Energy density 550 Wh/L[1] Charge/discharge efficiency C/5 nominal Cycle durability In question Nominal cell voltage Cell voltage varies nonlinearly in the range 2.5–1.7 V during discharge; batteries ...
et al. Author Correction: A high-energy and long-cycling lithium–sulfur pouch cell via a macroporous catalytic cathode with double-end binding sites. Nat. Nanotechnol. 16, 224 (2021). https://doi.org/10.1038/s41565-020-00829-5 Download citation Published03 December 2020 Issue DateFebruary ...
8.1.2. Lithium-Sulfur Batteries a) Cathode Development: Improvement of sulfur cathodes to increase capacity and cycle life. b) Polysulfide Shuttling: Development of methods to mitigate polysulfide shuttling. c) Lithium Metal Anodes: Advancements in stable lithium metal anodes for Li-S batteries. ...
[25,26]. show abstract stable cyclic ether as an electrolyte additive for high-performance lithium metal batteries 2024, chemical communications show abstract challenges and approaches to designing high-energy density lithium-sulfur pouch cells 2024, batteries and supercaps view full text © 2024 ...
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SECs with different setups have also been investigated, such as the spectro-electrochemical pouch cell (SEPC) presented by Vizintin et al. [43] (Fig. 1c), being used to study cathodes for metal-organic batteries. Also, some SECs are used to conduct in situ synchrotron infrared nano-...
Lightweight and flexible energy storage devices are urgently needed to persistently power wearable devices, and lithium-sulfur batteries are promising technologies due to their low mass densities and high theoretical capacities. Here we report a flexible