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The apparent capaci...
The apparent capacitance of the electrode "charging" process
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- Villa, M. (författare)
- University of Bergamo
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- Nelli, P. (författare)
- University of Bergamo
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- Salvi, P. (författare)
- University of Bergamo
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- Kiros, Kiros (författare)
- KTH,Kemiteknik
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- Zangari, G. (författare)
- University of Virginia
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(creator_code:org_t)
- San Francisco, CA : The Electrochemical Society, 2009
- 2009
- Engelska.
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Ingår i: Physical and Analytical Electrochemistry General Session - 215th ECS Meeting. - San Francisco, CA : The Electrochemical Society. ; , s. 47-59
- Relaterad länk:
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http://www.scopus.co...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We investigate simple models of the electrode charging (discharging) at constant current i, where the potential (E) is recorded as a function of time, or charge, q = i·t. Our goal is to assess the advantages of a representation in terms of capacitance, C = dq / dE ,vs. E. Such a plot is related with cyclic voltammetry (c.v.) plot (ic.v. vs E) at a constant rate (β = dE / dt) since, under appropriate circumstances, we should have C = ic.v. / β = dq / dE. We will discuss the following items: a) origins and suppression of the singularities in the capacitance pilots, b) effects of the finite charging currents, c) comparison between c.v. and electrode charging experiments.
Nyckelord
- Charging current
- Constant current
- Constant rate
- Function of time
- Capacitance
- Electrochemistry
- Cyclic voltammetry
- SRA - Energy
- SRA - Energi
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