Electrode configuration for extended plasma confinement

Meier, Eric T.; Nelson, Brian A.; Shumlak, Uri

Title: Electrode configuration for extended plasma confinement

Patent · Tue Aug 29 00:00:00 EDT 2023

OSTI ID:2222259

Meier, Eric T.; Nelson, Brian A.; Shumlak, Uri

Methods and systems are provided for plasma confinement utilizing various electrode and valve configurations. In one example, a device includes a first electrode positioned to define an outer boundary of an acceleration volume, a second electrode arranged coaxially with respect to the first electrode and positioned to define an inner boundary of the acceleration volume, at least one power supply to drive an electric current along a Z-pinch plasma column between the first second electrodes, and a set of valves to provide gas to the acceleration volume to fuel the Z-pinch plasma column, wherein an electron flow of the electric current is in a first direction from the second electrode to the first electrode. In additional or alternative examples, a shaping part is conductively connected to the second electrode to, in a presence of the gas, cause a gas breakdown of the gas to generate a sheared flow velocity profile.

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Research Organization:: Zap Energy Inc., Seattle, WA (United States)

Sponsoring Organization:: USDOE Advanced Research Projects Agency - Energy (ARPA-E)

DOE Contract Number:: AR0001010; AR0001260

Assignee:: Zap Energy, Inc. (Seattle, WA)

Patent Number(s):: 11,744,001

Application Number:: 17/841,593

OSTI ID:: 2222259

Resource Relation:: Patent File Date: 06/15/2022

Country of Publication:: United States

Language:: English

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