Closure to “Discussion of ‘Electrochemical Potential Spectroscopy: A New Electrochemical Measurement’ [A. H. Thompson (pp. 608–616, Vol. 126, No. 4)]”

Thompson, A. H.

doi:10.1149/1.2128909

Cited by 41 publications

(58 citation statements)

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“…The existence of two consecutive monophasic regions at the beginning of the insertion process may be understood if one thinks of the formation of an ordered arrangement of lithium ions at the limiting composition between these two solid solutions (12). In our case it would be close to x"0.2.…”

Section: Resultsmentioning

confidence: 79%

Structural Study of Electrochemically Obtained Li2+xTi3O7

Dompablo

Várez

Garcı́a-Alvarado

2000

Journal of Solid State Chemistry

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Section: Resultsmentioning

confidence: 79%

Structural Study of Electrochemically Obtained Li2+xTi3O7

Dompablo

Várez

Garcı́a-Alvarado

2000

Journal of Solid State Chemistry

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“…"# is the initial charge (or discharge) capacity obtained at C/2. When the differential capacity is plotted as a function of the cell voltage, the peaks of the resulting curves should be related to specific lithium insertion sites within the anode (17).…”

Section: Electrochemical Analysismentioning

confidence: 99%

Comparative Study of Different Alkali (Na, Li) Titanate Substrates as Active Materials for Anodes of Lithium - Ion Batteries

et al. 2014

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The relationship between structure and lithium storage capacity of different titanate samples as anode materials for lithium-ion batteries is discussed. Li 4 Ti 5 O 12 , Na 2 Ti 3 O 7 and Na 2 Ti 6 O 13 were synthesized by solid-state reaction. The structure, surface and morphology of the samples were characterized by SEM, XRD and RAMAN spectroscopy. The electrochemical performance was studied by galvanostatic charge-discharge cycling, cyclic voltammetry, electrochemical impedance spectroscopy and rate capability. The lithium titanate presented the highest capacity of the three electrodes, together with the most reversible potential plateau at 1.6 V vs. Li + /Li 0 and the best response in rate capability. Apparent diffusion coefficients of Li + ions into the titanate matrices were obtained, showing the highest value for the lithium titanate compound. Between both sodium titanates, Na 2 Ti 6 O 13 presented the highest specific capacity and the best discharge retention.

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“…Here, I will extend that discussion to address questions that have been revised since publication of Ref. 4. It will particularly compare ECPS to linear sweep voltametry and to coulometric titrations.…”

Section: Comparison Of Ecps With Other Measurementsmentioning

confidence: 97%

“…patent #4-295-097) of electrochemical potential spectroscopy (ECPS). 3,4 The fundamental principle employed in ECPS is that a satisfactory estimate of thermodynamic conditions can be made by performing measurements at slow, controlled rates. The slow rates are produced by stepping the voltage through small changes.…”

Section: Introductionmentioning

confidence: 99%

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Instrumentation for incremental voltage step electrochemical measurements

Thompson

1983

Review of Scientific Instruments

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A new electrochemical instrument is described that permits the rapid and precise measurement of electrode parameters of reaction. The described techniques, previously called electrochemical potential spectroscopy, are particularly valuable in studying solid-state reactions and phase transitions and are generally useful whenever approximations to equilibrium data are required on slow processes. The instrument may also be viewed as a general purpose instrument for measurement of electrical capacitance. It automatically measures the voltage–composition– current–time relations on an electrochemical cell by systematically stepping the voltage through a series of programmed constant voltage steps. The instrument is designed for three-electrode measurements and has been fully developed and tested on a large number of electrochemical systems. Three commercial lithium cells are measured to illustrate the method, its time saving advantages, and its weaknesses. Comparison is also made to open circuit data collected on Li–V2O5. Three electrode measurements are reported elsewhere.

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Closure to “Discussion of ‘Electrochemical Potential Spectroscopy: A New Electrochemical Measurement’ [A. H. Thompson (pp. 608–616, Vol. 126, No. 4)]”

Cited by 41 publications

References 0 publications

Structural Study of Electrochemically Obtained Li2+xTi3O7

Structural Study of Electrochemically Obtained Li2+xTi3O7

Comparative Study of Different Alkali (Na, Li) Titanate Substrates as Active Materials for Anodes of Lithium - Ion Batteries

Instrumentation for incremental voltage step electrochemical measurements

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