For cyclic voltammetry or galvanostatic charge discharge test(lab made Li ion battery), how to perform initial cycling?

11 August 2023 0 6K Report

What things to keep in mind, specially for first cycles when SEI is formed. I am using graphite anode.

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Why is Voltage decreasing with increasing charge(positive current 0.1C rate) in galvanostatic charge discharge testing (see picture attached)?

I have done OCV check (2.9V approx vs Li which is ok). During first charging/discharge cycle in Galvanostatic charge discharge test of a lab made li ion cell, I found that always voltage...

10 August 2023 9,678 11 View

How to calculate capacity of a composite anode or cathode which is mixture of two materials? How to separate the capacity component of each material ?

For example composite anode is made of material A and B.

07 July 2022 8,555 4 View

How to identify which is charge and which is discharge cycle in following plot?

I always get confused on how they plot the charge-discharge cycle on the same plot. How to recognize which is charge and which is discharge curve (and where their start and end points are)?

15 March 2022 3,738 4 View

What material container would be stable and safe to store Lithium chips and LiPF6 EC:DC=1:1 ELECTROLYTE?

The supplier has provided Lithium chips in the one-time opening can made of Al. But Al containers are not easily available. Please suggest.

29 August 2021 4,718 12 View

For Li Ion Batteries, if we keep anode and cathode equal (for coin or Swagelok type cell) how to over come mismatch problem(check description)?

I know separator should be largest. How to select andoe and cathode size. I studied that if we keep them equal and if there occurs slight mismatch it will be a problem (Li plating or less...

17 December 2020 5,982 1 View

SEI formation on lab assembled li ion battery (anode is graphite)

While performing electrochemical characteization(galvanostatic charge discharge test or cyclic voltammetry) of a lab assembled li ion cell, how should we start to have a good SEI formation?

01 January 1970 7,519 0 View

Which Scopus Journal provides the most affordable fees?

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10 August 2024 8,621 1 View

Seeking Advice on Viability and Execution of Undergraduate Thesis Topic?

Hello everyone, I am currently developing a thesis proposal and would appreciate your input on its viability and how to effectively carry it out. My proposed topic is: "Does the perceived threat...

10 August 2024 8,992 0 View

Who will be moral responsible for the death of thousands of people in the event of an earthquake?

Who will bear moral responsibility for the deaths of thousands of people in the event of an earthquake? Weeks and months remain before the onset of strong earthquakes that bring death to...

08 August 2024 6,134 12 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

Are there any instruments for studying time similar to the way it is in space?

There are a huge number of methods for studying objects in space, according to the senses (and not only). Mechanical, thermal, optical, acoustic, electrical, magnetic, based on particle beams,...

06 August 2024 7,102 0 View

In the case of a wound l recurrence after radical breast cancer and sentinel lymph node biopsy. Are the sentinel lymph node procedure recommended?

In the case of a wound l recurrence after radical breast cancer and sentinel lymph node biopsy. Are the sentinel lymph node procedure recommended? If no axillary lymph node dissection was not...

05 August 2024 8,056 1 View

Binder for ZnO nanoparticles in graphite paste electrode?

I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?

03 August 2024 4,624 3 View

Why chloride turns into chlorine gas in a Downs cell?

I imagine the battery drives the graphite into a carbocation, then chloride is oxidized to donate the electron to the carbocation, but what pushes the lost electrons of chloride to be shared...

03 August 2024 5,384 0 View

Regarding a model for simulating battery charge and discharge, what do you consider to be high fidelity?

Regarding a model for simulating battery charge and discharge, what do you consider to be high fidelity? What is the acceptable percentage of error (regardless of the metric)? Could you suggest...

03 August 2024 5,358 0 View

In the presence of VERY high concentration (1000 ppm) of silicon, the adsorption isotherms of arsenic are showing anomalous trends, why so?

I conducted an adsorption experiment of arsenic on soil in the presence of different doses of silicon as competing ions to see the effect of silicon on arsenic adsorption and desorption. I took 5...

03 August 2024 6,500 3 View