Nature of Business	9 Months Ended
Sep. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Nature of Business	Note 1. Nature of Business Organization SES AI Corporation, and consolidated subsidiaries (together the “Company”) consists of SES AI Corporation (“SES”), and its wholly-owned subsidiaries: SES Holdings Pte. Ltd. (“SES Holdings” or “Old SES”), SolidEnergy Systems, LLC (“SES LLC”), SolidEnergy (Shanghai) Co., Ltd. (“SES Shanghai”), SolidEnergy Systems Securities Corporation (“SES Securities”), Viking Power Systems Pte. Ltd. (“SES Viking”), and Massachusetts Solid Energy Co., Ltd. (“SES Korea”). SES Holdings is a Singapore private company limited by shares formed in November 2018. SES LLC is a Delaware limited liability company formed in November 2018 as a result of the conversion from a corporation to a limited liability company by SolidEnergy Systems Corp, a Delaware corporation formed in April 2012. SES Shanghai was registered in Shanghai, China in November 2018. SES Securities was incorporated in December 2017 as a Massachusetts Security Corporation. SES Viking is a Singapore private company limited by shares formed in May 2019. SES Korea was registered in South Korea in November 2021. The Company is engaged in the research and development of Lithium-Metal (“Li-Metal”) rechargeable batteries for electric vehicles (“EVs”). Since the Company’s founding in 2012, the Company has been committed to developing the world’s most advanced EV batteries. The Company’s Li-Metal batteries have been designed to combine the high energy density of Li-Metal with cost-effective manufacturability at scale. The Company’s headquarters are located in Boston with research and development facilities located there, in Shanghai, China, and in South Korea. Principal operations have not yet commenced as of September 30, 2022, and the Company has not derived revenue from its principal business activities. Prior to the closing of the Business Combination (the “Closing”), Ivanhoe migrated out of the Cayman Islands and domesticated as a Delaware corporation (the “Domestication”) and changed its name to “SES AI Corporation.” On February 3, 2022 (the “Closing Date”), Ivanhoe Capital Acquisition Corp. (“Ivanhoe”), a Cayman Islands exempted company, and Wormhole Amalgamation Sub Pte. Ltd., a Singapore private company limited by shares and a direct, wholly-owned subsidiary of Ivanhoe (“Amalgamation Sub”), consummated the previously announced Business Combination (the “Business Combination”) pursuant to which, among other things, Amalgamation Sub merged with and into Old SES, with Old SES surviving the Business Combination as a wholly-owned subsidiary of SES. See “Note 3 – Business Combination” for additional information.

Nature of Business

9 Months Ended

Sep. 30, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Note 1. Nature of Business

Organization

SES AI Corporation, and consolidated subsidiaries (together the “Company”) consists of SES AI Corporation (“SES”), and its wholly-owned subsidiaries: SES Holdings Pte. Ltd. (“SES Holdings” or “Old SES”), SolidEnergy Systems, LLC (“SES LLC”), SolidEnergy (Shanghai) Co., Ltd. (“SES Shanghai”), SolidEnergy Systems Securities Corporation (“SES Securities”), Viking Power Systems Pte. Ltd. (“SES Viking”), and Massachusetts Solid Energy Co., Ltd. (“SES Korea”).

SES Holdings is a Singapore private company limited by shares formed in November 2018. SES LLC is a Delaware limited liability company formed in November 2018 as a result of the conversion from a corporation to a limited liability company by SolidEnergy Systems Corp, a Delaware corporation formed in April 2012. SES Shanghai was registered in Shanghai, China in November 2018. SES Securities was incorporated in December 2017 as a Massachusetts Security Corporation. SES Viking is a Singapore private company limited by shares formed in May 2019. SES Korea was registered in South Korea in November 2021.

The Company is engaged in the research and development of Lithium-Metal (“Li-Metal”) rechargeable batteries for electric vehicles (“EVs”). Since the Company’s founding in 2012, the Company has been committed to developing the world’s most advanced EV batteries. The Company’s Li-Metal batteries have been designed to combine the high energy density of Li-Metal with cost-effective manufacturability at scale. The Company’s headquarters are located in Boston with research and development facilities located there, in Shanghai, China, and in South Korea. Principal operations have not yet commenced as of September 30, 2022, and the Company has not derived revenue from its principal business activities.

Prior to the closing of the Business Combination (the “Closing”), Ivanhoe migrated out of the Cayman Islands and domesticated as a Delaware corporation (the “Domestication”) and changed its name to “SES AI Corporation.” On February 3, 2022 (the “Closing Date”), Ivanhoe Capital Acquisition Corp. (“Ivanhoe”), a Cayman Islands exempted company, and Wormhole Amalgamation Sub Pte. Ltd., a Singapore private company limited by shares and a direct, wholly-owned subsidiary of Ivanhoe (“Amalgamation Sub”), consummated the previously announced Business Combination (the “Business Combination”) pursuant to which, among other things, Amalgamation Sub merged with and into Old SES, with Old SES surviving the Business Combination as a wholly-owned subsidiary of SES. See “Note 3 – Business Combination” for additional information.