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Related Experiment Video

Updated: Mar 29, 2026

Fabrication and Operation of an Oxygen Insert for Adherent Cellular Cultures

Fabrication and Operation of an Oxygen Insert for Adherent Cellular Cultures

Published on: January 6, 2010

Oxygen pump based on stabilized zirconia.

Xiao-Dong Zhang¹, Jian-Jun Li¹, Xin Guo¹

¹Laboratory of Solid State Ionics, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China.

The Review of Scientific Instruments

|December 3, 2015

Summary

An electrochemical oxygen pump was developed to precisely control oxygen partial pressure. This device is valuable for studying defect chemistry in electroceramics across a wide temperature range.

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Area of Science:

Electrochemistry
Materials Science
Solid-state Chemistry

Background:

Oxygen partial pressure is a critical parameter in electroceramic defect chemistry.
Controlling oxygen partial pressure is essential for materials characterization and processing.
Existing methods for oxygen control can be limited in range or precision.

Purpose of the Study:

To design and develop a novel oxygen pump for precise oxygen partial pressure control.
To investigate the capabilities of the oxygen pump across a wide temperature range.
To demonstrate the utility of the oxygen pump in electroceramic research.

Main Methods:

Utilizing an electrochemical phenomenon in zirconia ceramic layers.
Applying DC voltage to establish an electrical field and drive oxygen species.
Designing a system for continuously adjustable oxygen partial pressure from 1 bar to 10(-24) bar.
Operating the system within a temperature range of 650-1100 °C.

Main Results:

Development of an oxygen pump with continuously adjustable oxygen partial pressure.
Achieved oxygen partial pressure control from 1 bar down to 10(-24) bar.
Demonstrated the pump's effectiveness using electrical conductivity measurements on Fe-doped SrTiO3.
Validated the pump's capabilities in the 650-1100 °C temperature range.

Conclusions:

The developed oxygen pump offers unprecedented control over oxygen partial pressure.
The device is highly valuable for in-situ investigations of electroceramic defect chemistry.
This technology enables advanced research in materials science and solid-state chemistry.