MUMBAI, India, March 13 -- Intellectual Property India has published a patent application (202611009937 A) filed by Indian Institute Of Technology, New Delhi, on Jan. 30, for 'non-aqueous aluminum-ion battery reference electrode and preparation method thereof.'

Inventor(s) include Prof. Verma, Anil; Shukla, Shivam; and Kumar, Amit.

The application for the patent was published on March 13, under issue no. 11/2026.

According to the abstract released by the Intellectual Property India: "A reference electrode for use in electrochemical testing and in Al-ion batteries, the reference electrode includes a porous glass frit filled with a mixture of an ionic liquid and a silver salt, and a silver wire immersed therein. The method for preparing the reference electrode includes taking a glass viol and positioning a porous glass frit within the glass viol by maintaining one end of the porous glass frit not touching the viol ground. Then placing a silver wire inside the porous glass frit such that one end of the silver wire is completely immersed in the porous glass frit, wherein the porous glass frit is filled with a mixture of ionic liquid and silver salt. Sealing the glass viol to provides a reference electrode assembly, drying the reference electrode assembly in a vacuum oven for 11 to 13 hours at a temperature in a range of 75 to 85 C."

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