Electrochemical Behavior of Compacted Lithium Powder Electrode in Li/V[sub 2]O[sub 5] Rechargeable Battery
- 1 January 2010
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 157 (8), A984-G186
- https://doi.org/10.1149/1.3457381
Abstract
The effects of postannealing treatment in ambient forming gas (10%H2:90%N2)(10%H2:90%N2) on low- kk SiOC(H) films deposited by plasma-enhanced chemical vapor deposition were investigated. The use of SiOC(H) films has certain advantages due to the presence of alkyl groups in the film, which result in improved hardness properties, compared with previously reported low- kk materials. Metal-oxide-semiconductor capacitance–voltage measurements at 100 kHz indicated that the relative dielectric constant ( kk -value) of the as-grown film was approximately 2.4. When rapid thermal annealing (RTA) temperatures of up to 500°C500°C were used, the Si–O–C bonds were nearly maintained when the annealing was conducted using an ambient of forming gas, whereas they substantially decreased in an ambient of N2N2 gas. The decrease in Si–O–C bond content results in an increase in kk -value. In the film that underwent an RTA treatment at 600°C600°C , the alkyl groups of the film were released and the Si–O network was enhanced in both ambient gases, which has a critical effect on the change in kk -value.Keywords
This publication has 21 references indexed in Scilit:
- The dissolution and deposition behavior in lithium powder electrodeJournal of Power Sources, 2007
- Morphological differences between lithium powder and lithium foil electrode during discharge/chargeJournal of Power Sources, 2006
- Electrolyte loss and dimensional change of the negative electrode in Li powder secondary cellJournal of Power Sources, 2006
- Electrodeposition of lithium film under dynamic conditions and its application in all-solid-state rechargeable lithium batterySolid State Ionics, 2005
- Protective coating of lithium metal electrode for interfacial enhancement with gel polymer electrolyteSolid State Ionics, 2004
- Characteristics of a Li/MnO2 battery using a lithium powder anode at high-rate dischargeJournal of Power Sources, 2003
- Surface Condition Changes in Lithium Metal Deposited in Nonaqueous Electrolyte Containing HF by Dissolution‐Deposition CyclesJournal of the Electrochemical Society, 1999
- In Situ Micromorphological Studies of Li Electrodes by Atomic Force Microscopy in a Glove Box SystemElectrochemical and Solid-State Letters, 1999
- Modification of the Lithium Metal Surface by Nonionic Polyether Surfactants: Quartz Crystal Microbalance StudiesJournal of the Electrochemical Society, 1998
- Lithium Electrode Morphology during Cycling in Lithium CellsJournal of the Electrochemical Society, 1988