Lufeng Battery
Lu Lab @ UCLA Chemical Engineering
Shi, Wenyue PhD 20, Battery Integrity Engineer at Amazon Lab126; Baucom, Jesse PhD 20, Senior Battery Materials Engineer; Zhang, Chen PhD 20; Li, Fan PhD 20, Process Engineer at Applied Materials; Lu, Xing PhD 21; Li, Xinru PhD 21; Xu, Pengcheng PhD 21; An, Bowen MS 21; Zheng, Weibin MS 21, Research Associate at Hengenix Biotech, Inc. …
Low temperature aging mechanism identification and lithium …
The battery average resistance gradually increased, which verifies the resistance analysis found in the results of the previous HPPC experiment. Therefore, it is deduced from the analysis that the low temperature degradation of LFP/graphite is mainly due to LLI induced by lithium deposition on the surface of anode electrode. The solid …
Reductive gas manipulation at early self-heating stage enables ...
Thermal runaway (TR) with fires and explosions poses tough challenges to the safe application of batteries. This work reveals the reaction pathway that leads to TR: the "reductive attack" at the early self-heating stage. New paradigms were set into battery safety design by controlling the thermal failure pathway other than habitual material …
Processes | Free Full-Text | A Review of Lithium-Ion Battery …
Lithium-ion (Li-ion) batteries have been utilized increasingly in recent years in various applications, such as electric vehicles (EVs), electronics, and large energy storage systems due to their long lifespan, high energy density, and high-power density, among other qualities. However, there can be faults that occur internally or externally that affect …
A 3D thermal runaway propagation model for a large format …
DOI: 10.1016/J.ENERGY.2016.08.094 Corpus ID: 113833138; A 3D thermal runaway propagation model for a large format lithium ion battery module @article{Feng2016A3T, title={A 3D thermal runaway propagation model for a large format lithium ion battery module}, author={Xuning Feng and Languang Lu and Minggao …
Thermal runaway mechanism of lithium-ion battery with …
Battery safety is critical to the application of lithium-ion batteries, especially for high energy density battery applied in electric vehicles. In this paper, the thermal runaway mechanism of LiNi 0.8 Co 0.1 Mn 0.1 O 2 based lithium-ion battery is illustrated. And the reaction between cathode and flammable electrolyte is proved as the trigger of …
A review on the key issues of the lithium ion battery degradation among ...
DOI: 10.1016/J.ETRAN.2019.100005 Corpus ID: 199161163; A review on the key issues of the lithium ion battery degradation among the whole life cycle @article{Han2019ARO, title={A review on the key issues of the lithium ion battery degradation among the whole life cycle}, author={Xuebing Han and Languang Lu and Yuejiu Zheng and Xuning Feng …
Lu languang
A comparative study of commercial lithium ion battery cycle life in electrical vehicle: Aging mechanism identification. X Han, M Ouyang, L Lu, J Li, Y Zheng, Z Li. Journal of power sources 251, 38-54, 2014. 799: 2014: Thermal runaway features of large format prismatic lithium ion battery using extended volume accelerating rate calorimetry.
Journal of the American Chemical Society
Lufeng Yang, Chi Chen, Shan Xiong, Chen Zheng, Pan Liu, Yifan Ma, Wenqian Xu, Yuanzhi Tang, Shyue Ping Ong, Hailong Chen. …
A novel bifunctional additive for safer lithium ion batteries
The charge–discharge measurements were carried out using a computer-controlled programmable battery charger (BTS-0518001 type, Shenzhen, China). To test the AC impedance of the cell at different charge states, the cell was charged to a given potential at 0.5 mA and rest for 1 h to reach a stable open-circuit voltage, and then the …
China Lufeng Machinery factory
China Lufeng Machinery factory is a professional supplier and manufacturer of ingot casting machines, and melting furnaces, we also provide High temperature metal transfer pumps, Electrolytic systems, Smelting equipment accessories, Lead acid battery recovery, regeneration systems, and other products with good quality, safe and reliable, passed …
Toward a high-voltage fast-charging pouch cell with TiO2 …
To explore capacity and cyclability, TiO 2-NCM523-and NCM523-based full batteries were tested under a high rate of 1C with voltage window of 2.7–4.5 V at room temperature.The NCM523-based battery presented a rapid capacity drop as it cycled. Retention was only 30% after 120 cycles (Fig. 1 a).However, the retention of the TiO 2 …
Overcharge behaviors and failure mechanism of lithium-ion batteries ...
A 40 Ah lithium ion battery (240 mm × 150 mm × 14 mm) composed of two pouch cells (Cell 1 and Cell 2) connected in parallel was investigated in this study, as shown in Fig. 1.The cathode active material was determined as Li y (NiCoMn) 1/3 O 2 (NCM)-Li y Mn 2 O 4 (LMO) composite cathode by scanning electron microscopy-energy …
Computational Studies of Electrode Materials in …
Computational Studies of Electrode Materials in Sodium-Ion Batteries. Maryland Energy Innovation Institute, University of Maryland, College Park, MD, 20742 USA. Qiang Bai, Lufeng Yang, Hailong Chen, …
Thermal runaway mechanism of lithium ion battery for electric vehicles ...
The results for each case were 321.5 kJ in Case 1, 44.9 kJ in Case 2, 97.0 kJ in Case 3, 216.0 kJ in Case 4 and 284.4 kJ in Case 5. Using the time of SV opening, TR triggering and TR ending in ...
Lufeng Yang
The Institute of Physics, Chinese Academy of Sciences - Cited by 3,403 - Lithium ion battery - Sodium ion battery - Energy storage materials
A Superior δ-MnO2 Cathode and a Self-Healing Zn-δ-MnO2 Battery.
Ultrathin δ-MnO2 nanoflakes with Na+ intercalation as a high-capacity cathode for aqueous zinc-ion batteries. Pristine δ-MnO2 as the typical cathode for …
Xuning Feng
Thermal runaway propagation model for designing a safer battery pack with 25 Ah LiNixCoyMnzO2 large format lithium ion battery. X Feng, X He, M Ouyang, L Lu, P Wu, C Kulp, S Prasser. Applied energy 154, 74-91, 2015. 395: 2015: An electrochemical-thermal coupled overcharge-to-thermal-runaway model for lithium ion battery.
A review on the key issues of the lithium ion battery degradation …
The battery degradation is the key scientific problem in battery research. The battery aging limits its energy storage and power output capability, as well as the performance of the EV including the cost and life span. Therefore, a comprehensive review on the key issues of the battery degradation among the whole life cycle is provided in this ...
Optical fiber sensor based on upconversion …
By embedding the prepared sensor in a Li-ion battery, the proof of concept was obtained for monitoring the internal temperature of a battery with upconversion nanoparticles (UCNPs). A larger temperature variation was …
nanoACES – Advanced Clean Energy Storage with NanoTechnology
Congrats, Lufeng! 2018 Jan. Dr. Chen gave an invited talk at the Nature Conference on Materials Electrochemistry: Fundamentals and Applications, in Shenzhen, China (Lufeng Yang, Bo Nan, Dr. Chen, Hai Wang) 2017 Dec. Lufeng''s paper on high energy cathode for sodium ion batteries was accepted for publication in Journal of Power …
Thermal runaway of Lithium-ion batteries employing LiN (SO
The application of large-format lithium-ion batteries (LIBs) with high energy density in electric vehicles requires a high level of battery safety 1,2,3,4,5,6,7,8,9, as the fires and explosions of ...
A Superior δ-MnO2 Cathode and a Self-Healing Zn-δ-MnO2 …
Here, we found the Na ion and water molecules pre-intercalation can effectively activate stable Zn ion storage of δ -MnO 2. Our results reveal that the resulted Zn//pre …
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