Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Amendment No. 1 to Registration Statement No. 333-259798 on Form S-3 of our reports dated March 1, 2023, relating to the consolidated financial statements of Piedmont Lithium Inc. and subsidiaries and the effectiveness of Piedmont Lithium Inc.’s internal control over financial reporting, appearing in the Annual Report on Form 10-K of Piedmont Lithium Inc. for the year ended December 31, 2022, as amended. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ Deloitte & Touche LLP 

Charlotte, North Carolina 

February 27, 2024