Asla Bish

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Questions related from Asla Bish

Some half cells show negative Open circuit voltage (OCV)?

Sometimes before charge/discharge Li ion half cells do measure negative OCV open circuit voltage ( ~ -1.5 V). It's very rare but did came across some of the cells. Could you please share your...

04 November 2019 6,393 1 View

What might have caused my sample to erupt (Refer to attached fig.)?

I am trying to synthesize NaNi1/3Co1/3Mn1/3O2 material. I used sol-gel method maintaining pH of 10 and citric acid as chelating agent. I used sodium acetate, manganese acetate, cobalt acetate and...

12 March 2017 8,743 3 View

What will cause the Hysteresis loss in Li-Ion Battery?Is there a way to reduce it?

We always observe a gap between the charging and discharging curve for different Li-ion battery cathode materials. I read in literature that polarization and overpotential is the main reason for...

12 February 2017 5,869 4 View

Why can't we use same current collector for anode and cathode (copper) in lithium ion batteries?

Apart from conductivity of current collectors, what is the other property that can have impact on Battery performance and how? Thanks in advance

15 October 2015 5,767 18 View

Testing method to prove battery 1C capability?

Is there any specific test method to prove that battery has 1C capability (Charge C rate @1C, Discharge C-rate @1C, Cycle life @1C)? Any testing method that would confirm the battery technology...

01 January 1970 8,651 3 View