Skip to content

Main content

CV Potential Sweep Time

Compute the duration of one linear potential sweep from explicit endpoints and a positive scan-rate magnitude, excluding holds and return sweeps.

Loading tool…

Description

Calculate nominal duration of one constant-rate potential sweep.

Electrochemical quantities require explicit electrode references, current sign, area definition and time basis. Geometric area differs from active-area conventions, charge differs from charge equivalents, and a logarithmic current coordinate needs a same-unit reference magnitude. Local sign changes and coordinate terms do not fit kinetics or establish a valid experiment.

Calculate nominal duration of one constant-rate potential sweep.

When to use this tool

Use CV Potential Sweep Time when you already have startPotentialVolts, endPotentialVolts, scanRateVoltsPerSecond and need to calculate nominal duration of one constant-rate potential sweep.

How to use the tool and how it works

  1. Enter startPotentialVolts, endPotentialVolts, scanRateVoltsPerSecond. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read sweepSeconds. Use the output convention below.

Require scanRateVoltsPerSecond>0; return abs(endPotentialVolts-startPotentialVolts)/scanRateVoltsPerSecond.1

Input fieldMeaning and unitsAccepted input
startPotentialVoltsStart Potential VoltsRequired. Finite number.
endPotentialVoltsEnd Potential VoltsRequired. Finite number.
scanRateVoltsPerSecondPositive constant rate magnitude for one linear sweep; no hold or return time.Required. Finite number; strictly above 0.
Output fieldInterpretationReturned shape
sweepSecondsSweep SecondsRequired. Finite number.
json
{
  "input": {
    "startPotentialVolts": -0.2,
    "endPotentialVolts": 0.8,
    "scanRateVoltsPerSecond": 0.1
  },
  "output": {
    "sweepSeconds": 10
  }
}

Limitations and assumptions

  • Equal potentials give zero. This is one sweep without holds or return legs; no scan waveform, current response or suitable rate is determined.
  • Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
  • Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.

Alternative or Complementary methods

Inspect calibrated instrument records, reference-electrode details, area definitions and the complete experiment before interpreting results. Use the full electrochemical model and verified operating conditions when a local current, charge, sweep or impedance-representation term cannot answer the scientific question.

References

  1. Calculation and input contract: electrochemistry/cv-potential-sweep-time — tool.io

Similar or alternative tools