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2025/12/25

Japan-developed inorganic binder boosts battery capacity tenfold whenapplied to silicon anodes

ATTACCATO

Batteries are complex systems composed of various materials and components, making it difficult to grasp the full scope of the industry. Lithium-ion batteries (LiB), which rely heavily on flammable materials, demand particularly high safety standards and pose significant barriers to entry. ATTACCATO is a startup spun out by researchers from the National Institute of Advanced Industrial Science and Technology (AIST). In addition to developing high-value-added batteries and components, it also acts as a bridge across the supply chain, from upstream to downstream, sharing insights with manufacturers to strengthen Japan’s battery industry. In 2016, the company pioneered the development of an inorganic binder for LiBs. Coating silicon (Si) anodes with this binder enables the creation of safe, high-capacity batteries with more than ten times the performance of existing models. In a field led by overseas competitors, ATTACCATO is accelerating commercialization to reclaim Japan’s leadership in the global market.

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