Carbon black (Super C65, TIMCAL), carboxymethyl cellulose (CMC, Grade: 2200, Lot No. B1118282, Daicel Fine Chem Ltd.), NaClO4 (98%, Alfa Aesar, additionally dried), propylene carbonate (BASF, battery grade), 4-fluoro-1,3-dioxolan-2-one (FEC, Hisunny Chemical, battery grade), 1 M solution of LiPF6 in ethylene carbonate/dimethyl carbonate (EC/DMC, Novolyte, Celgard separator (Celgard 2400, 25 µm microporous monolayer polypropylene membrane, Celgard Inc. USA), glass microfiber separator (GF/D, Cat No. 1823–257, Whatman), Al foil (MTI Corporation), Na foil (Sigma-Aldrich), Li foil (MTI Corp.), Sb2S3 (99.995%, Sigma Aldrich), Coin-type cells (Hohsen Corp., Japan),
Naclo4
Manufactured by Thermo Fisher Scientific
Sourced in United States
NaClO4 is a chemical compound composed of sodium (Na), chlorine (Cl), and oxygen (O). It is commonly referred to as sodium perchlorate. NaClO4 is a white, crystalline solid that is soluble in water and has a variety of industrial and laboratory applications.
Automatically generated - may contain errors
Lab products found in correlation
Sb 2 s 3, by Merck Group (1 mentions)
Al foil, by MTI Corporation (1 mentions)
1 methyl 2 pyrrolidinone, by Merck Group (1 mentions)
Ec dmc, by Merck Group (1 mentions)
Carbon black, by Thermo Fisher Scientific (1 mentions)
Anhydrous methanol, by Thermo Fisher Scientific (1 mentions)
Naclo4, by Merck Group (1 mentions)
Acetylene black, by Thermo Fisher Scientific (1 mentions)
Voso4 xh2o, by Merck Group (1 mentions)
Vo acac 2, by Merck Group (1 mentions)
Napf6, by Thermo Fisher Scientific (1 mentions)
Mg clo4 2, by Thermo Fisher Scientific (1 mentions)
Cacl2, by Thermo Fisher Scientific (1 mentions)
Tris hcl, by Merck Group (1 mentions)
Glycine, by Merck Group (1 mentions)
7 protocols using naclo4
1
Fabrication of Sodium-Ion Battery Anode
2
Na-ion Half-cell Electrode Fabrication
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The
working electrodes for Na-ion half-cells were prepared with the following
composition: 70 wt % of the active material (WS2NT/SiOC
fibermat), 15 wt % of carbon black as the conducting agent (Alfa Aesar,
Haverhill, MA, USA), and 15 wt % of polyvinylidene fluoride (PVDF)
as a binder (Alfa Aesar, Haverhill, MA, USA). A homogeneous slurry
was prepared using the materials mentioned above using 1-methyl-2-pyrrolidinone
(Sigma-Aldrich, Missouri, MA, USA) as a solvent for PVDF, which was
added in a drop wise manner. A 9 μm thick copper substrate was
coated with this slurry and dried at 80 °C for 18 h for solvent
removal. The obtained film thickness was found to be 125 μm.
Circular sections were obtained from this coating to be used as a
working electrode for the 2032-type coin cell. The reference and counter
electrodes, in this case, were prepared of sodium metal. The electrolyte
used was 1.0 M NaClO4 (Alfa Aesar) in (1:1 v/v) EC/DMC
(anhydrous, 99%, Sigma-Aldrich), and the two electrodes were separated
by a glass separator soaked with electrolytes. All the tested cells
were assembled in a high precision inert (ultra-high purity Argon)
atmosphere, with O2 and H2O contents below 0.1
ppm. The cycled electrodes (after 50 cycles) were de-crimped in the
inert atmosphere and washed with a DMC solvent to dispose of the separators
attached to the electrodes for post-cycling SEM and XPS analyses.
working electrodes for Na-ion half-cells were prepared with the following
composition: 70 wt % of the active material (WS2NT/SiOC
fibermat), 15 wt % of carbon black as the conducting agent (Alfa Aesar,
Haverhill, MA, USA), and 15 wt % of polyvinylidene fluoride (PVDF)
as a binder (Alfa Aesar, Haverhill, MA, USA). A homogeneous slurry
was prepared using the materials mentioned above using 1-methyl-2-pyrrolidinone
(Sigma-Aldrich, Missouri, MA, USA) as a solvent for PVDF, which was
added in a drop wise manner. A 9 μm thick copper substrate was
coated with this slurry and dried at 80 °C for 18 h for solvent
removal. The obtained film thickness was found to be 125 μm.
Circular sections were obtained from this coating to be used as a
working electrode for the 2032-type coin cell. The reference and counter
electrodes, in this case, were prepared of sodium metal. The electrolyte
used was 1.0 M NaClO4 (Alfa Aesar) in (1:1 v/v) EC/DMC
(anhydrous, 99%, Sigma-Aldrich), and the two electrodes were separated
by a glass separator soaked with electrolytes. All the tested cells
were assembled in a high precision inert (ultra-high purity Argon)
atmosphere, with O2 and H2O contents below 0.1
ppm. The cycled electrodes (after 50 cycles) were de-crimped in the
inert atmosphere and washed with a DMC solvent to dispose of the separators
attached to the electrodes for post-cycling SEM and XPS analyses.
3
Solid Electrolyte Fabrication for VO2 FET
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NaClO4 (Sigma-Aldrich) dissolved in a PEO [molecular weight (Mw) = 100,000; Sigma-Aldrich] matrix was used as the solid electrolyte. NaClO4 and PEO powders (0.3 and 1 g, respectively) were mixed with 15 ml of anhydrous methanol (Alfa Aesar). The mixture was then stirred overnight at 50°C until a gel-like solid electrolyte was formed (45 (link)). A 10 mm by 10 mm electrolyte-covered VO2 thin-film FET structure with three terminals was fabricated.
4
Vanadium Compounds for Sodium-Ion Batteries
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V2O3 (Sigma-Aldrich, 98%), VCl3 (Sigma-Aldrich, 97%), V(acac)3 (Sigma-Aldrich, 97%), VO2 (Sigma-Aldrich, 99.9%), VOSO4·xH2O (Sigma-Aldrich, 97%), VO(acac)2 (Sigma-Aldrich, 97%), V2O5 (Sinopharm, 99.5%), NH4VO3 (Aladdin, 99.0%), NaVO3 (Aladdin, 99.0%), and Na3VO4·12H2O (Aladdin, 99.0%) were used as vanadium sources in this work. H3PO4 (85%) and NaH2PO4·2H2O (≥99%), Hydroxylamine (HONH2·HCl, 99.5%) and (NaF, ≥98%) were purchased from Beijing Chemical Reagent Co. with analytical grade. Other reagents used for the preparation of coin cells were Na (Sinopharm, 99.8%), NaClO4 (Alfa Aesar, 99%), fluoroethylene carbonate (FEC; Alfa Aesar, 99%), glass fiber separator (Whatman), KB (Lion, Carbon ECP600JD), and Acetylene black (AB; Alfa Aesar, ≥99.9%). The HC was purchased from KURARAY Co., Ltd, Japan. All reagents were used as received.
5
Sodium-Based Electrolyte Preparation for Energy Storage
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The preparation and handling of the electrolyte solvents and salts was conducted in an argon‐filled glovebox (MBraun, O2 and H2O <0.5 ppm). All sodium salts were dried under vacuum at 80 °C for 48 h. Three different combinations of organic solvents and sodium salts were prepared: 1 m sodium perchlorate (NaClO4, Alfa Aesar, >99 %) was dissolved in propylene carbonate (PC, Sigma–Aldrich, 99.7 %) and in a mixture of 1:1 (by mass) ethylene carbonate (EC, Sigma–Aldrich, ≥99 %) and dimethyl carbonate (DMC, Sigma–Aldrich, ≥99 %). Additionally, 1 m sodium hexafluorophosphate (NaPF6, Alfa Aesar, >99 %) was dissolved in a 1:1 (by mass) mixture of EC and DMC. All prepared electrolytes were examined by Karl–Fischer titration and were found to contain less than 25 ppm water. The electrolytes are labeled as E‐NaClO4 (1 m NaClO4 in EC/DMC), E‐NaPF6 (1 m NaPF6 in EC/DMC), and P‐NaClO4 (1 m NaClO4 in PC).
6
Kinetic Analysis of α-Chymotrypsin
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7
Hard Carbon Anode Electrochemical Characterization
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Electrochemical studies were carried out using stainless steel CR2032 2-electrode coin cells. Working electrode materials were prepared by mixing hard carbon powder, prepared according to a previous publication [12] , with polyvinylidene fluoride (PVDF) binder in a mass ratio of 90:10. N-methyl-2-pyrrolidinone (NMP) was used as the solvent to prepare a slurry, which was cast onto aluminium foil as the current collector. The electrodes were dried at 80 • C overnight, before transferring to an argon-filled glovebox (H 2 O and O 2 levels < 0.1 ppm) for cell construction. 16 mm disks were punched, giving a typical hard carbon mass loading of around 2-2.5 mg cm -2 per cell.
Sodium metal (Tob New Energy) disks were used as the counter and reference electrode. All voltages are, consequently, reported with respect to metallic sodium. Whatman micro glass fibre paper was used as the separator and the electrolyte was 1 M NaClO 4 (anhydrous, > 98% purity, Alfa Aesar) in a solution mixture of propylene carbonate (PC, anhydrous, 99.7% purity, Sigma Aldrich) /Fluoroethylene carbonate (FEC, anhydrous, > 99% purity, Sigma Aldrich) in a 98:2 mass ratio. The PC and FEC were dried in the glovebox using molecular sieves for 48 h before electrolyte preparation.
Sodium metal (Tob New Energy) disks were used as the counter and reference electrode. All voltages are, consequently, reported with respect to metallic sodium. Whatman micro glass fibre paper was used as the separator and the electrolyte was 1 M NaClO 4 (anhydrous, > 98% purity, Alfa Aesar) in a solution mixture of propylene carbonate (PC, anhydrous, 99.7% purity, Sigma Aldrich) /Fluoroethylene carbonate (FEC, anhydrous, > 99% purity, Sigma Aldrich) in a 98:2 mass ratio. The PC and FEC were dried in the glovebox using molecular sieves for 48 h before electrolyte preparation.
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