Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We hereby consent to the use in the Prospectus constituting a part of this Registration Statement on Form S-1 of our report dated March 8, 2021, relating to the financial statements of Chardan NexTech Acquisition 2 Corp., which is contained in that Prospectus. We also consent to the reference to us under the caption “Experts” in the Prospectus.

/s/ WithumSmith+Brown, PC

New York, New York

March 8, 2021

Updated Dec. 3,  2020 Page 1 of 1