QuantumScape signs joint research deal with Honda on solid-state batteries

QuantumScape Corporation (NASDAQ: QS) announced a joint research agreement with Honda R&D Co., Ltd., a subsidiary of Honda Motor Co., Ltd., focused on advancing QuantumScape's solid-state battery platform.

The multi-year program will cover solid-state battery development and associated manufacturing processes. The agreement follows Honda's completion of a technology evaluation agreement with QuantumScape, which included a technical study of the company's solid-state platform and competitive benchmarking across standard technical tests.

"QS technology demonstrated compelling and unique advantages during our evaluation," said Atsushi Ogawa, Chief Operating Officer, Research Center of Excellence, Honda R&D Co., Ltd. "We see potential for QS technology to add value across a range of applications, including automotive, and we are excited to move forward into the next phase of our partnership."

Dr. Siva Sivaram, CEO and President of QuantumScape, said Honda's evaluation represented "one of the most rigorous assessments of our technology to date."

The announcement was made June 18, 2026, based on a company press release.

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