Exhibit 23.1

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INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM’S CONSENT

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We consent to the incorporation by reference in the Registration Statement of Phoenix Motor Inc. on Form S-8 [File No. 333-265903] of our report dated March 31, 2023, which includes an explanatory paragraph as to the Company’s ability to continue as a going concern, with respect to our audits of the consolidated financial statements of Phoenix Motor Inc. as of December 31, 2022 and 2021 and for the years ended December 31, 2022 and 2021, which report is included in this Annual Report on Form 10-K of Phoenix Motor Inc. for the year ended December 31, 2022.

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/s/ Marcum Asia CPAs LLP

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Marcum Asia CPAs LLP

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New York, New York

March 31, 2023