21 Jan

Printable battery fabrication- updates

Wenzhong Yan

Last week, we got new machines for battery fabrication. Now we can created more delicate batteries, as shown in the attached figure. The voltage is about 1 V. However, the current methods can not guarantee the close contact between electrodes and filter paper, which caused extremely lagger resistanc...

14 Jan

Printable battery fabrication - thermal lamination

Wenzhong Yan

The basic fabrication porocess of the proposed printable battery is shown as the figure. We need to firstly combine the electrodes (Zinc or copper file with pouch sheet), which is completed by thermal lamination, resulting in composite electrodes. It is wotrhting noting that we need to cut a hole on...

19 Oct

Customization of printed batteries

Wenzhong Yan

How to customize batteries according to your requirements? It is very challenging to design a battery to satisfy specific loading. For example, you may need to have a battery that can outup certain current when connected to an electric-driven actuator with a certain resistance. Similarly, for our pr...

05 Oct

Printable battery fabrication

Wenzhong Yan

The basic fabrication of a printable battery includes electode formation and battery packaging. Here I use a Li-ion battery as an example. The first step is the electode fabrication, which includes slurry preparation, coating, cutting of electrode, electrode calendaring, electrode slitting, and t...

01 Oct

Sodium-ion battery

Wenzhong Yan

For our printable robots, we are planning to integrate printed battery as on-baord power. Currently, we choose Na-ion battery given the relative high voltage, low resistance, low cost, and high drain current, etc. There are two main types of Na-ion battery, i.e. sodium/sulfur battery and sodium/meta...

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