Abstract
The magnetohydrodynamics (MHD) instabilities of liquid metal batteries (LMBs) severely limit the wide application and commercialization of LMB. A new technology is proposed, which is called the gridstructure (GS), so as to achieve the suppression effect of the MHD instabilities in LMB. The GS is composed of electrically and magnetically insulated partitions, which fully contact the negative electrode and extended to the positive electrode of the battery. It is found that the GS inserted inside the LMBs can change the distribution of the circumferential induced magnetic field inside the battery, effectively reduce the induced magnetic field and Lorentz force, and thus improve the stability of the LMB.
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