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132388-45-5

132388-45-5 Structure

132388-45-5 Structure
IdentificationBack Directory
[Name]

METHOXYTRIETHYLENEOXYPROPYLTRIMETHOXYSILANE
[CAS]

132388-45-5
[Synonyms]

METHOXYTRIETHYLENEOXYPROPYLTRIMETHOXYSILANE
3,3-diMethoxy-2,7,10,13,16-pentaoxa-3-silaheptadecane
2,7,10,13,16-Pentaoxa-3-silaheptadecane, 3,3-dimethoxy-
imethoxy-(methoxymethoxy)-(3,3,3-triethoxypropyl)silane
dimethoxy-(methoxymethoxy)-(3,3,3-triethoxypropyl)silane
[Molecular Formula]

C13H30O7Si
[MDL Number]

MFCD09953872
[MOL File]

132388-45-5.mol
[Molecular Weight]

326.46
Chemical PropertiesBack Directory
[Boiling point ]

140°C/0.2mmHg
[density ]

1.163
[refractive index ]

1.4321
[Specific Gravity]

1.163
[Hydrolytic Sensitivity]

7: reacts slowly with moisture/water
[InChI]

InChI=1S/C13H30O7Si/c1-14-7-8-19-11-12-20-10-9-18-6-5-13-21(15-2,16-3)17-4/h5-13H2,1-4H3
[InChIKey]

KRIUTXYABPSKPN-UHFFFAOYSA-N
[SMILES]

CO[Si](OC)(OC)CCCOCCOCCOCCOC
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H319
[Precautionary statements ]

P264-P280-P305+P351+P338-P337+P313P
[TSCA ]

No
Hazard InformationBack Directory
[Uses]

Methoxytriethyleneoxypropyltrimethoxysilane (MTE-TMS), a novel multifunctional additive possessing a unique functionality to simultaneously protect both Ni-rich NCM and graphite electrode surfaces. MTE-TMS improves the long-term cycling stability not only of individual half-cells of graphite and Ni-rich NCM but also of the full graphite‖Ni-rich NCM cell.
[Properties and Applications]

Ex-situ analysis showed that Methoxytriethyleneoxypropyltrimethoxysilane (MTE-TMS) forms a stable and thin surface protective film on the NCM851005, containing Si species, which effectively reduced crack formation, metal dissolution, and structural degradation of the cathode. MTE-TMS also forms a stable SEI layer on the graphite anode, stabilizing the graphite structure and preventing the thickening of the SEI. MTE-TMS’ effectivity, on both anode and cathode, results in superior cycling performance of the full-cells, with 1 wt% MTE-TMS in the electrolyte, delivering a high capacity of 198 mAh g?1, along with an excellent capacity retention of 84% after 100 cycles at C/5, while cycled to upper cut-off voltage of 4.25 V (4.3 vs Li+/Li). MTE-TMS has the potential to help the realization of high energy density Li-ion batteries by enabling a wider working voltage range for Ni-rich oxide cathodes[1].
[References]

[1] Hieu Quang Pham . “Multifunctional electrolyte additive for improved interfacial stability in Ni-rich layered oxide full-cells.” Energy Storage Materials 33 (2020): Pages 216-229.
Spectrum DetailBack Directory
[Spectrum Detail]

METHOXYTRIETHYLENEOXYPROPYLTRIMETHOXYSILANE(132388-45-5)1HNMR
METHOXYTRIETHYLENEOXYPROPYLTRIMETHOXYSILANE(132388-45-5)13CNMR
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