Chi-Ang Tseng

5 Questions 7 Answers 0 Followers

Questions related from Chi-Ang Tseng

Electrochemical active surface area (EASA) measurement?

Hello, I am going to measure the electrochemical active surface area by doing cyclic voltammetry at different scan rate. It needs to scan CV at only double layer capacitance potential region....

06 June 2018 9,898 0 View

Capacitance drop significantly with charging rate?

Hello, I am doing the supercapacitor with carbon/metal oxide composite. The specific capacitances derived from GCD are showing in the Figure. My question is why the specific capacitance drop so...

06 June 2018 2,388 2 View

Coblat oxide XRD pattern?

Hi everyone, We electrochemically deposited the cobalt oxide (Co3O4 or CoO)on carbon cloth. The cobalt oxide is deposited from the precursor of Co(NO3)2 and annealing in air. However, it can't...

03 March 2018 8,950 3 View

Why doesn't the feedback mode of SECM work?

Hi everyone, I am conducting SECM experiment by using sub-micro electrode. The electrode was scanned gold pad array in Ru(NH3)63+ solution. According to the feedback mode, the current should have...

12 December 2016 3,265 6 View

Why does a crystalline copper thin film becomes amorphous after annealing?

Hello everyone, The copper film deposited on polyimide film (thermal evaporation) was treated with annealing in air (180oC, 3hr). After XRD measurement, the metal copper peaks (at 43o and...

07 July 2015 5,275 3 View