Magnetic Buoyancy Enhanced Electrolysis and Boiling

University of Colorado Boulder Background
Water electrolysis refers to the electrochemical decomposition of water into oxygen and hydrogen. This process is fundamental for a wide range of environmental control and life support systems, such as on the international space station. This also has utility in propulsion technologies, portable high-density power sources, or energy conversion and storage mechanisms in space. In low-gravity environments, oxygen and hydrogen bubbles formed from electrolysis do not float to the surface, but rather stay affixed to the electrode, greatly reducing efficiency and increasing mass and power requirements.
Technology Overview
Researchers at CU Boulder have effectively utilized magnetic buoyancy to enhance electrolysis, boiling, and phase separation technologies in space. The magnetic force induces the early detachment of gas bubbles from the nucleation surfaces, increasing the effective surface area and separating the phases. This makes heavy and powered ancillary equipment unnecessary, providing a light, unpowered means of inducing phase separation and greatly simplifying the architecture of existing systems.

Further Details:

Research paper


Increased cell efficiency
Elimination of heavy ancillary components
Unpowered & lightweight
Utility in Terrestrial and low-gravity environments


Life-Support Systems
Propulsion Technologies
High-Density Power Sources

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