Skip to Content
MilliporeSigma
  • Interaction of High Flash Point Electrolytes and PE-Based Separators for Li-Ion Batteries.

Interaction of High Flash Point Electrolytes and PE-Based Separators for Li-Ion Batteries.

International journal of molecular sciences (2015-09-08)
Andreas Hofmann, Christoph Kaufmann, Marcus Müller, Thomas Hanemann
ABSTRACT

In this study, promising electrolytes for use in Li-ion batteries are studied in terms of interacting and wetting polyethylene (PE) and particle-coated PE separators. The electrolytes are characterized according to their physicochemical properties, where the flow characteristics and the surface tension are of particular interest for electrolyte-separator interactions. The viscosity of the electrolytes is determined to be in a range of η = 4-400 mPa∙s and surface tension is finely graduated in a range of γL = 23.3-38.1 mN∙m(-1). It is verified that the technique of drop shape analysis can only be used in a limited matter to prove the interaction, uptake and penetration of electrolytes by separators. Cell testing of Li|NMC half cells reveals that those cell results cannot be inevitably deduced from physicochemical electrolyte properties as well as contact angle analysis. On the other hand, techniques are more suitable which detect liquid penetration into the interior of the separator. It is expected that the results can help fundamental researchers as well as users of novel electrolytes in current-day Li-ion battery technologies for developing and using novel material combinations.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Ethanol Fixative 80% v/v, suitable for fixing solution (blood films)
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
1-Methyl-2-pyrrolidinone, SAJ first grade, ≥98.0%
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Ethanol, JIS special grade, 94.8-95.8%
SKU
Pack Size
Availability
Price
Quantity
Supelco
Ethanol solution, certified reference material, 2000 μg/mL in methanol
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Ethanol, 94.8-95.8%
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
1-Methyl-2-pyrrolidinone, ReagentPlus®, 99%
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
1-Methyl-2-pyrrolidinone, ACS reagent, ≥99.0%
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Ethylene carbonate, 98%
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Triethoxysilane, 95%
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Glutaronitrile, 99%
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
1-Methyl-2-pyrrolidinone, anhydrous, 99.5%
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Ethyl alcohol, Pure 190 proof, for molecular biology
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
1-Methyl-2-pyrrolidinone, biotech. grade, ≥99.7%
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Ethyl alcohol, Pure, 190 proof, ACS spectrophotometric grade, 95.0%
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Ethanol, ≥99.5%, SAJ super special grade
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Ethanol, ≥99.5%
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Ethanol, ≥99.5%, suitable for absorption spectrum analysis
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Ethanol, ≥99.5%, suitable for HPLC
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Ethanol, ≥99.5%, suitable for fluorescence
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Ethyl alcohol, Pure, 190 proof, meets USP testing specifications
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Ethanol, purum, absolute ethanol, denaturated with 2% 2-butanone, A15 MEK1, ≥99.8% (based on denaturant-free substance)
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Ethyl alcohol, Pure, 200 proof, anhydrous, ≥99.5%
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Ethanol, purum, fine spirit, denaturated with 4.8% methanol, F25 METHYL1, ~96% (based on denaturant-free substance)
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Sulfolane, 99%
SKU
Pack Size
Availability
Price
Quantity
Supelco
Ethanol standards 10% (v/v), 10 % (v/v) in H2O, analytical standard
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Ethyl alcohol, Pure, 200 proof, meets USP testing specifications
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Ethanol, JIS 300, ≥99.5%
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Ethanol, JIS 1000, ≥99.5%
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Ethyl alcohol, Pure 200 proof
SKU
Pack Size
Availability
Price
Quantity
Sigma-Aldrich
Ethanol, ACS reagent, prima fine spirit, without additive, F15 o1
SKU
Pack Size
Availability
Price
Quantity