Bar-Ilan University

Yosef Gofer

Doron Aurbach

Eli Lancry

Orit Chasid

Lu Zhonghua

Anatoly M Belostotskii

Oren Mizrahi

Chaim Gizbar

Alexander Schechter

Elena Levi

Ariel Mitelman

Gurukar Shivappa Suresh

This invention generally relates to electrochemical cells utilizing magnesium anodes, new solutions and intercalation cathodes. The present invention is a new rechargeable magnesium battery based on magnesium metal as an anode material, a modified Chevrel phase as an intercalation cathode for magnesium ions and new electrolyte solution from which magnesium can be deposited reversibly, which have a very wide electrochemical window. The Chevrel phase compound is represented by the formula Mo6S8-YSeY in which y is higher than 0 and lower than 2 or by the formula MXMo6S8 in which M is selected from the group comprising of copper (Cu), nickel (Ni), silver (Ag) and/or any other transition metal; further wherein x is higher than 0 and lower than 2.

Rechargeable magnesium battery

A cathode material featuring PVM for use in rechargeable electrochemical cells. It has been discovered that the polymer backbone of PVM, which consists solely of carbon atoms, is not subject to scission during repeated charge-discharge cycles, such that the cathode material remains substantially insoluble in standard liquid electrolytes. As a result, cells containing PVM as the cathode material and liquid electrolyte are genuinely electrochemically reversible. The use of PVM overcomes the problems associated with organosulfides of the background art, with which dissolution of anions in the liquid electrolyte during discharging results in migration from the cathode and contamination of the anode/electrolyte surface and ultimately leads to degradation of the electrolyte and/or deterioration of the anode-electrolyte interface.

Polyvinyl mercaptan redox material for cathodes in non-aqueous batteries

High-energy, rechargeable, electrochemical cells with non-aqueous electrolytes

Growing community of inventors

Zur Igal, Israel

Yosef Gofer