Hari Raj

6 Questions 9 Answers 0 Followers

Questions related from Hari Raj

How to dissolve carbon coated LiFePO4 in solution/acid for ICP-MS test?

I tried to dissolve in HCL, HNO3 separately and mixture of both with DI Water (HCL:HNO3:H2O=10:10:80 by volume) but LiFePO4 did not dissolve. I also mixed solution by magnetic stirrer overnight...

11 November 2017 2,707 3 View

Which electrolyte is better in between 1.0 M LiPF6 in EC/EMC=50/50 (v/v) and 1.0 M LiPF6 in EC/DEC=50/50 (v/v)?

I am working on LiFePO4 electrode and using Li-metal as a reference electrode. Which electrolyte will be better in between 1.0 M LiPF6 in EC/EMC=50/50 (v/v) and 1.0 M LiPF6 in EC/DEC=50/50 (v/v)?...

09 September 2017 6,075 4 View

Why does LiFePO4/C dissolve in LiPF6+EC:DEC electrolyte?

During charging-discharging LiFePO4/C cathode material is dissolved in LiPF6+EC:DEC (50:50) and stored on Li metal anode side(reference electrode) by passing through the separator. Due to this...

09 September 2017 9,312 10 View

How to calculate warburg factor in nyquist plot during EIS test?

how to calculate Warburg factor (σω) in the following relation Zreal=Rs+Rct+σω ω^-(1⁄2) The...

11 November 2016 1,793 0 View

Will there any effect on LiFePO4 if heat treatment is done in iron tube?

I am trying to synthesize LiFePO4 but did not get success. I just copy many synthesis methods (by sol-gel and hydrothermal process) from reputed journals, still, i am not getting pure LiFePO4....

01 January 1970 2,225 3 View

What is the advantages of using carbon coated copper TEM grid over non coated for ceramic powder? What wil be the effect if I use non coated Cu grid?

TEM analysis of Ceramic powder.

01 January 1970 2,504 3 View