Jeonghwan Kim

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Questions related from Jeonghwan Kim

Why does such an abnormal voltage profile occur during the first cycle of my lithium symmetric cell experiment?

Hello, I am conducting dendrite visualization using a microfluidic lithium symmetric cell (as shown in Figure 1). During my chronopotentiometry experiments with this cell, I am experiencing...

04 April 2024 424 2 View

Why do full-cell cycle testing in lithium dendrite research even though the half cell test verify the theory?

In lithium dendrite suppression research, there is some difference in the verification test range paper by paper. I wonder why some research conduct full cell cycling test to verify the dendrite...

01 April 2024 5,402 0 View

Is there any membrane (Cation Exchange Membrane) that have a high resistance to hydroxide ions?

Is there any membrane (Cation Exchange Membrane) with high resistance to hydroxide ions? I want to prevent the hydroxide ions from passing through the membrane, but commercial CEMs don't have 100%...

10 July 2022 6,748 0 View

Why do we use symmetric coin cell for battery test?

Why do we test a symmetric coin cell and a full cell separately? What is the purpose of these two tests? ref) Electrokinetic-Driven Fast Ion Delivery for Reversible Aqueo... In this article,...

16 December 2021 3,977 6 View

How to do cyclic voltammetry with coin cells?

I knew that cyclic voltammetry was conducted with beakers using three electrodes, but when I read the battery-related paper, I saw that cv was performed with coin cells. How do coin cells apply...

09 September 2021 8,928 7 View