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Aroca, Ricardo F.; Nazri, M.; Nazri, G.A.; Camargo, Ademir J.; Trsic, Milan

doi:10.1023/a:1005151220893

Cited by 132 publications

(137 citation statements)

References 11 publications

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“…2. Other strong peak at 863 cm −1 is attributed to P F stretching mode [11,14,15,22,[33][34][35]. The peaks at 1306, 1265 and near 1050 cm −1 are assignable to P O and P O C groups, the same to those of the films without silane.…”

Section: Electrode-electrolyte Interfacial Reactionsmentioning

confidence: 68%

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Interfacial structural stabilization on amorphous silicon anode for improved cycling performance in lithium-ion batteries

Nguyen

Song

2010

Electrochimica Acta

112

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Section: Electrode-electrolyte Interfacial Reactionsmentioning

confidence: 68%

“…6a-a shows the surface of the Si/s-Cu film cycled without silane. Dominant peaks at 859 and 768 cm −1 are due to P F stretching modes [11,14,15,22,[33][34][35]. This indicates that PFcontaining species is the major surface component.…”

Section: Electrode-electrolyte Interfacial Reactionsmentioning

confidence: 92%

Interfacial structural stabilization on amorphous silicon anode for improved cycling performance in lithium-ion batteries

Nguyen

Song

2010

Electrochimica Acta

112

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“…The shoulder at 856 cm -1 is due to the ion aggregates, which are present in electrolytes containing higher concentrations of salt. Aroca et al [20] have also assigned 845 cm -1 band to free PF 6 -anions and 867 cm -1 band to ion pairs. The peak at 1290 cm -1 is due to the presence of NH 4 PF 6 in liquid electrolytes.…”

Section: Resultsmentioning

confidence: 98%

Ion Conducting Behaviour of Nano Dispersed Polymer Gel Electrolytes Containing NH4PF6

Sharma¹,

Sekhon²

2007

Port. Electrochim. Acta

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The effect of addition of nano size fumed silica on the conductivity and viscosity behaviour of polymer gel electrolytes containing polyethylene oxide (PEO), ammonium hexafluorophosphate (NH 4 PF 6 ) and propylene carbonate (PC) has been studied. The addition of PEO increases the viscosity of electrolytes alongwith a small increase in conductivity and polymer gel electrolytes with conductivity higher than the corresponding liquid electrolytes have been obtained. Increase in conductivity with the addition of PEO and fumed silica has been explained to be due to the dissociation of ion aggregates, which is also supported by FTIR results. The thermal stability of polymer gel electrolytes improves marginally with the addition of fumed silica. The conductivity of nano dispersed gels does not show much change over 20-100 o C temperature range and also remains constant with time.

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“…3. Peaks at 560, 730 and 820 cm −1 are assigned to the presence of free PF 6 − anion [25][26][27], and shoulder at 860 cm −1 is attributed to the presence of ion aggregates.…”

Section: Conductivity Measurementsmentioning

confidence: 99%

Conductivity studies of plasticized PEO–HPF6–fumed silica nanocomposite polymer electrolyte system

Sharma

Yamada

Sekhon

2011

Ionics

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The effect of the addition of propylene carbonate (PC) on the ion transport behaviour of nanocomposite polymer electrolytes having composition of polyethylene oxide-hexafluorophosphoric acid-fumed silica has been studied. The ionic conductivity of 6.89× 10 −4 S cm −1 at 298 K has been obtained for these electrolytes along with good mechanical and thermal properties. The variation of 1 H NMR linewidth with temperature shows line narrowing at the glass transition and melting temperature of the electrolytes which suggests the onset of long-range ion translational motion. The increase in ionic conductivity with the addition of PC is related to the transformation of these electrolytes to the amorphous phase which has been supported by X-ray diffraction results. The polymer electrolytes are thermally stable up to around 498 K and hence are suitable for various applications.

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Cited by 132 publications

References 11 publications

Interfacial structural stabilization on amorphous silicon anode for improved cycling performance in lithium-ion batteries

Interfacial structural stabilization on amorphous silicon anode for improved cycling performance in lithium-ion batteries

Ion Conducting Behaviour of Nano Dispersed Polymer Gel Electrolytes Containing NH4PF6

Conductivity studies of plasticized PEO–HPF6–fumed silica nanocomposite polymer electrolyte system

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