| Cover | Apr. 13, 2023 |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Apr. 13, 2023 |
| Entity File Number | 001-40959 |
| Entity Registrant Name | TKB CRITICAL TECHNOLOGIES 1 |
| Entity Central Index Key | 0001860514 |
| Entity Tax Identification Number | 98-1601095 |
| Entity Incorporation, State or Country Code | E9 |
| Entity Address, Address Line One | 400 Continental Blvd |
| Entity Address, Address Line Two | Suite 600 |
| Entity Address, City or Town | El Segundo |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 90245 |
| City Area Code | (310) |
| Local Phone Number | 426-2055 |
| Written Communications | true |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant | |
| Title of 12(b) Security | Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant |
| Trading Symbol | USCTU |
| Security Exchange Name | NASDAQ |
| Class A ordinary shares, par value $0.0001 per share | |
| Title of 12(b) Security | Class A ordinary shares, par value $0.0001 per share |
| Trading Symbol | USCT |
| Security Exchange Name | NASDAQ |
| Warrants, each whole warrant exercisable for one Class A ordinary share, each at an exercise price of $11.50 per share | |
| Title of 12(b) Security | Warrants, each whole warrant exercisable for one Class A ordinary share, each at an exercise price of $11.50 per share |
| Trading Symbol | USCTW |
| Security Exchange Name | NASDAQ |
