Mersen selected by CATL to supply advanced fuses for battery systems
Mersen has been recognized for its expertise in electrical protection by Contemporary Amperex Technology Co., Limited (CATL), the world’s largest power battery manufacturer.
Paris, November 13, 2025 – Mersen (Euronext FR0000039620 – MRN), a global expert in electrical power and advanced materials, has been recognized for its expertise in electrical protection by Contemporary Amperex Technology Co., Limited (CATL), the world’s largest power battery manufacturer.
Mersen will leverage this expertise and its manufacturing facilities in China to supply CATL with custom-designed fuses across seven different domains serving a diverse range of end-markets including electric vehicles, storage systems, rail, and aviation, among others.
We are proud to take this important new step with CATL, a global leader in battery technology. This partnership reflects Mersen’s unique expertise in electrical power, our strong local manufacturing footprint, and the trusted relationship our teams in China have built with CATL. It stands as a testament to the quality and competitiveness of our cutting-edge solutions and reinforces our commitment to driving electrification and transitioning to renewable energy through innovation, collaboration, and shared ambition for a more sustainable future.
Philippe Griaud
VP Electrical Vehicle Business at Mersen
About Mersen
Mersen is a global expert in electrical power and advanced materials for high-tech industries. With more than 50 industrial sites and 21 R&D centers in 33 countries around the world, Mersen develops custom-built solutions and delivers key products for clients in order to meet the new technological challenges shaping tomorrow’s world. For over 130 years, Mersen’s teams have focused tirelessly on innovation to accompany its clients and meet their needs. Be it in solar power, electronics, electric vehicles, aerospace or other sectors, wherever technology is progressing, you will always find a bit of Mersen. We work to constantly contribute to progress, striving daily to improve people’s lives and protect the planet. This corporate commitment has been recognized by external rating agencies, EcoVadis (Silver Medal) and MSCI (A rating).
Mersen is part of the SBF 120 index (Euronext Paris – Compartment B)
Investor and analyst contact
Véronique Boca
VP, Communication Mersen
Tel. + 33 (0)1 46 91 54 40
Email: dri@mersen.com
Media contact
Guillaume Maujean / Stephan Bürklin
Brunswick
Tel.: +33 (0)6 33 06 55 93
Email: mersen@brunswickgroup.com
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Mersen selected by CATL to Supply Advanced Fuses for battery systems
pdf - 121.13 KB | Nov. 13, 2025