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Semi-automatic Winding Machine
Dec 19 , 2020
Product model:TMAX-DSP-LBPBM05B A. Functional Description： This machine is mainly used for precise winding of cylindrical lithium-ion battery batteries. The working process is as follows: the positive and negative plates are manually introduced into the winding part, separated from the diaphragm, winded according to the technological requirements, automatically pasted the termination tape, and the...
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A comparison among LiPF6, LiPF3(CF2CF3)3 (LiFAP), and LiN(SO2CF2CF3)2 (LiBETI) solutions: electrochemical and thermal studies
May 17 , 2021
J.S. Gnanaraja, E. Zinigrada, M.D. Levia, D. Aurbacha,*, M. Schmidtb a Department of Chemistry, Bar-Ilan University, Ramat-Gan 52900, Israel b Merck KGaA, D-64293 Darmstadt, Germany 2.Experimental The electrolyte solutions used were 1 M LiFAP, 1 MLiPF6, and 1 M LiN(SO2CF2CF3)2in a ternary solvent mixture EC+DEC+DMC (2:1:2) from Merck KGaA (highly pure solutions, Li battery grade, could be used as ...
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Autonomic Shutdown of Lithium-Ion Batteries Using Thermoresponsive Microspheres
May 19 , 2021
Marta Baginska , Benjamin J. Blaiszik , Ryan J. Merriman , Nancy R. Sottos , Jeffrey S. Moore , and Scott R. White * 4. Experimental Section Materials and Equipment : Low-density poly(ethylene) (LDPE, Mw = 4000, m.p. 110 ° C), Brij 76 surfactant, and sodium dodecyl sulfate (SDS), paraffifi n wax (m.p. 58–60 ° C), and n-methylpyrrolidone (NMP) solvent were purchased from Sigma-Aldrich. Xylene was p...
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The stability of organic solvents and carbon electrode in nonaqueous Li-O2 batteries
May 21 , 2021
2. Experimental 2.1. Preparation and cell testing Ethylene carbonate (EC), propylene carbonate (PC), DME,tri(ethylene glycol) dimethyl ether (i.e., Triglyme), di(ethyleneglycol) di-n-butyl ether (i.e. butyl diglyme, BDG), and lithiumbis(trifluoromethylsulfonyl)imide (LiTFSI) (all in batterygrade) were purchased from Novolyte Technologies. DMSO,triethyl phosphate (TEPa), 1-butyl-1-methylpyrrolidium...
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Effect of Conducting Salts in Ionic Liquid based Electrolytes: Viscosity, Conductivity, and Li-Ion Cell Studies
Jun 16 , 2021
Andreas Hofmann1,*, Michael Schulz1, Thomas Hanemann1,2 2. EXPERIMENTAL N,N-diethyl-N-methyl-N-(2-methoxyethyl)ammonium bis(trifluoromethanesulfonyl)azanide (DMMA-TFSA, IoLiTec, >99%), lithium bis(trifluoromethanesulfonyl)azanide (LiTFSA, IoLiTec, > 99%), and propylene carbonate (PC, Sigma-Aldrich, anhydrous, 99.7%) were dried at 110°C by means of a continuous flow of dried air. The water co...
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Synthesis, characterization, and evaluation of unsupported porous NiS submicrometer spheres as a cathode material for lithium batteries
Jun 18 , 2021
Debajyoti Mondal•Gilles Villemure•Chaojie Song 2.2 Synthesis of porous NiS submicrospheres The USP procedure for the synthesis of nanomaterials wasreported elsewhere [54]. A solution containingNiCl26H2O, Na2S2O35H2O, and colloidal silica was prepared according to a procedure reported in our previouspaper [55]. The solution was loaded to a USP ultrasonic cell, after which the system was purged with...
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Effects of the Mixing of an Active Material and a Conductive Additive on the Electric Double Layer Capacitor Performance in Organic Electrolyte
Jun 25 , 2021
2. Experimental Procedure Activated carbon(MSP-20) for an active electrode material was provided from Kansai Coke & Chemicals Co.. Super-P(M.M.M. Carbon Co., Belgium) and polyvinylidene fluoride(Sigma-Aldrich) were employed as a conductive additive and a binder, respectively. The preparation procedure for a coin-type EDLC cell was briefly presented in Fig. 1. Active materia...
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Monolithic Nanoporous Zn Anode for Rechargeable Alkaline Batteries
Jun 28 , 2021
Congcheng Wang,# Guoyin Zhu,# Pan Liu, and Qing Chen* METHODS Battery Assembly and Testing. Ni−Zn batteries were assembled into coin-type cells (CR2032) with a Zn anode, either the compressed nanoporous Zn (∼0.36 cm2 in size) or a pasted electrode comprising Zn powder (90 wt %, Aldrich), polyvinylidene fluoride (Arkema Kynar), and a NiOOH cathode (650 mAh, GP Batteries). Tin foil was used as the a...
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Reinvestigation on the state-of-the-art nonaqueous carbonate electrolytes for 5 V Li-ion battery applications
Jul 02 , 2021
2. Experimental 2.1. Electrolyte and electrode preparation Battery-grade ethylene carbonate (EC), propylene carbonate(PC), dimethyl carbonate (DMC), ethyl methyl carbonate (EMC),diethyl carbonate (DEC), and lithium hexafluorophosphate (LiPF6)were purchased from Novolyte Technologies. Lithium foil (0.75 mmthick) was purchased from Alfa Aesar. All chemicals and materials were used as received. Elect...
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