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EXPERIMENTS AND ANALYSIS OF EVAPORATION IN ELECTRODE PROCESSING FOR ENERGY STORAGE
Jul 05 , 2021
Experimental Equipment Electrode processing can be broken up into five main sections: dry powder mixing, wet mixing, substrate preparation, film application, and drying. The equipment and preparation stations utilized in this study are presented herein. A visual overview of the ETSL experimental facility can be seen in Figure 2. The electrode substrate and slurry preparation station is shown in Fi...
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LiPF3(CF2CF3)(3): A salt for rechargeable lithium ion batteries
Jul 07 , 2021
J. S. Gnanaraj,a M. D. Levi,a,* Y. Gofer,a D. Aurbach,a,*,z and M. Schmidtb aDepartment of Chemistry, Bar-Ilan University, Ramat-Gan 52900, Israel bMerck KGaA, D-64293 Darmstadt, Germany Experimental All the work was performed under a highly pure argon atmosphere in standard vacuum glove box from Xiamen TMAX Battery Equipments Limited. The anodes were composed of synthetic graphite (KS-6) from Tim...
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Lithium Ion Conducting Polymerized Ionic Liquid Pentablock Terpolymers as Solid-State Electrolytes
Jul 12 , 2021
Abstract In this study, a lithium ion conducting polymerized ionic liquid pentablock terpolymer (PILPTP) was investigated as a battery electrolyte (Xiamen Tmaxcn Inc.) for lithium ion batteries. The ABCBA pentablock terpolymer, poly(tbS-b-EP-b-MS-b-EP-b-tbS) (tbS = tert-butyl-styrene; EP = ethylene-r-propylene; MS = 4-methylstyrene), was brominated and quaternized to covalently attach two dif...
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Silicon nanopillar anodes for lithium-ion batteries using nanoimprint lithography with flexible molds
Jul 14 , 2021
Eric Mills, John Cannarella, Qi Zhang, Shoham Bhadra, Craig B. Arnold, and Stephen Y. Chou II. EXPERIMENT B. Assembly of anodes The cell preparation and assembly process has four key steps: (1) transfer to an Ar-filled glovebox, (2) Li-disk preparation, (3) separator preparation, and (4) final assembly. In step (1), after etching, the anodes were moved into an Ar-filled glove...
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Electrochemical Signatures of Interface-Dominated Behavior in the Testing of Calcium Foil Anodes
Jul 16 , 2021
Aaron M. Melemed and Betar M. Gallantz Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States of America Electrochemical characterization.—All steps occurred within a vacuum glove box (Xiamen Tmaxcn Inc.). As-received THF (anhydrous, 99.9%, Sigma Aldrich) and EC (99%, Acros Organics):PC (99.7%, Sigm...
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Toward All-Solid-State Lithium Batteries: Three-Dimensional Visualization of Lithium Migration in β- Li3PS4 Ceramic Electrolyte
Jul 19 , 2021
Experimental Preparation of LPS samples.—LPS electrolyte was prepared at Solid Power Inc. using two routes, a previously reported procedure23 for X-ray CT experiments and ball milling for EDS analysis. The LPS powder was subsequently tape cast, and then transferred to 35-μm-thick lithium foil (RockwoodLithium,0.5%Al )by cold-pressing to form LPS/Li bilayers. Symmetric Li/LPS/Li structures were ass...
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Exploiting Anti-T-shaped Graphenes Architecture to Form Low Tortuosity, Sieve-like Interfaces for High-performance Anodes for Li-Based Cells
Jul 23 , 2021
Experimental Section Synthesis of multilayer-graphene nanowalls anchored on carbon paper：The carbon paper used was commercialized Toray carbon paper (CP). Every CP was tailored to be a wafer of 16mm in diameter. Subsequently, the mutilayer-graphene nanowalls would be grown on this CP substrate using RF-PECVD. The parameters were 200W (power), 890℃ (temperature), 30min (time) and 1000Pa (...
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Achieving High Cycling Rates via In Situ Generation of Active Nanocomposite Metal Anodeselectric power chips
Jul 26 , 2021
METHODS 1. MMC/G4 Synthesis. Electrolyte synthesis and preparation was conducted in an argon-filled glovebox. (HNEt3)(CB11H12) was purchased from Katchem (Czech Republic) and used as received. Mg powder (99.5%, 325 mesh), anhydrous 1,2-dimethoxyethane (DME), and tetraglyme were purchased from Sigma-Aldrich. DME was distilled from Na metal and stored over activated 3 Å...
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High-energy-density activated carbon electrode for organic electric-double-layer-capacitor using carbonized petroleum pitch
Jul 28 , 2021
Poo Reum Choi1, Sang-Gil Kim2, Ji Chul Jung1,♠ and Myung-Soo Kim1,♠ 1Department of Chemical Engineering, Myongji University, Yongin 17058, Korea 2R&D Center, Vitzrocell Co. Ltd., Yesan 32417, Korea 2.2. Preparation of AC In order to change the degree of crystallinity of the precursors before the KOH activation process, the PPs were ground and pre-carbonized for 1 h in a temperature...
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