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Merck
CN

934747

Sulfur

greener alternative

electrode sheet, aluminum substrate, size 5 in. × 10 in.

Synonym(s):

Sulfur, Sulfur cathode, cathode for lithium-sulfur batteries

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About This Item

Empirical Formula (Hill Notation):
S
CAS Number:
7704-34-9
Molecular Weight:
32.07
UNSPSC Code:
26111700
NACRES:
NA.21
MDL number:
MFCD00085316

Key Documents

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InChI

1S/S

SMILES string

[S]

InChI key

NINIDFKCEFEMDL-UHFFFAOYSA-N

material

aluminum substrate

grade

battery grade

vapor density

8.9 (vs air)

vapor pressure

1 mmHg ( 183.8 °C), 10 mmHg ( 246 °C)

description

2.1 V vs Li/Li+, Description/Nominal Voltage: 2.1 V vs Li/Li+

assay

≥98%

form

sheet

Quality Level

100

composition

Active material loading, 3.75 mg/cm2 ±5% by

greener alternative product characteristics

Design for Energy Efficiency
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sustainability

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resistivity

2E23 μΩ-cm, 20°C

size

5 in. × 10 in.

thickness

16 μm , aluminum current collector, 40 μm , excluding current collector, 55 μm

capacity

3.0 mAh/cm2 ±5 % (Areal), (800 mAh/g)

bp

444.7 °C (lit.)

mp

112.8 °C (rhombic) (lit.), 119.0 °C (monoclinic) (lit.)

application(s)

battery manufacturing

greener alternative category

Enabling

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General description

Our sublimed sulfur electrode sheet is a ready-to-use cathode for lithium-sulfur (Li-S) battery research. The sulfur film is cast single-sided on a 16-µm thick carbon-coated aluminum foil current collector that is 5 in. x 10 in. (127 mm x 254 mm) in size. The composition is 70% sublimed sulfur, 10% Poly(vinylidene fluoride) [PVDF] and 20% carbon black.
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Application

Our sublimed sulfur electrode sheet is primarily used as a cathode in lithium-sulfur batteries due to its high theoretical capacity. This sulfur cathode can convert sulfur to lithium sulfide by a conversion reaction, resulting in a practical capacity of 800 mAh/g that is 5× than those of the transition-metal oxide cathodes. It offers consistent, reliable performance and is suitable for experimental studies in lithium-sulfur (Li-S) battery chemistry.
battery manufacturing

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H315

Hazard Classifications

Skin Irrit. 2

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX3238
MKCV8162

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Cathode Materials for Lithium Sulfur Batteries: Design, Synthesis, and Electrochemical Performance
Duan Lianfeng et al.
Alkali-ion Batteries (2016)
Yu-Sheng Su et al.
Physical chemistry chemical physics : PCCP, 14(42), 14495-14499 (2012-10-04)
Realization of a ubiquitous clean energy future depends critically on the efficient storage and utilization of renewable energies. Lithium-ion batteries are appealing in this regard, but low-cost, abundant, safe, high energy-density electrode materials need to be developed to adopt them.

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