Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the reference to our firm under the caption “Experts” in the Post-Effective Amendment No. 4 to the Registration Statement (Form S-1 on Form S-3 No. 333-251433) and related Prospectus of QuantumScape Corporation for the registration of 306,053,642 shares of its Class A common stock and to the incorporation by reference therein of our report dated February 23, 2021 (except for Note 4 as to which the date is May 7, 2021), with respect to the consolidated financial statements of QuantumScape Corporation, included in its Annual Report (Form 10-K/A) for the year ended December 31, 2021, filed with the Securities and Exchange Commission.
| /s/ Ernst & Young LLP |
| Redwood City, California |
| February 10, 2022 |
