28 Feb 2023
 | 28 Feb 2023

3D-printed Ag-AgCl Electrodes for Laboratory Measurements of Self-Potential

Thomas S. L. Rowan, Vilelmini A. Karantoni, Adrian P. Butler, and Matthew D. Jackson

Abstract. This paper details the design, development and evaluation of a 3D printed, rechargeable, Ag-AgCl electrode to measure Self-Potential (SP) in laboratory experiments. The challenge was to make a small, cheap, robust and stable electrode that could be used in a wide range of applications. The new electrodes are shown to offer comparable performance with custom-machined laboratory standards, and the inclusion of 3D printing (both Fused Filament Fabrication (FFF) and stereolithography (SLA)) makes them more versatile and less expensive than laboratory standards. The devices have been used in both low-pressure experiments using beadpacks, and high-pressure experiments using natural rock samples. Designs are included for both male and female connections to laboratory equipment.

Thomas S. L. Rowan et al.

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2023-130', Anonymous Referee #1, 21 Mar 2023
  • RC2: 'Comment on egusphere-2023-130', Anonymous Referee #2, 14 Jun 2023
  • AC1: 'Comment on egusphere-2023-130', Tom Rowan, 09 Aug 2023
  • EC1: 'Comment on egusphere-2023-130', Lev Eppelbaum, 09 Aug 2023

Thomas S. L. Rowan et al.

Thomas S. L. Rowan et al.


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Short summary
This paper presents a design for a 3D printed, rechargeable electrode that measures Self-Potential (SP) in different types of laboratory experiments. It is small, cheap, robust and stable, and offers the same performance as custom-machined laboratory standards. The use of 3D printing technology makes the electrode more versatile and cost-effective than traditional laboratory standards. Examples of its use under both low and high pressure have been included, as well as 3D printable designs.