Silatronix of Madison has raised $4 million to help support the technology company’s work to develop a better electrolyte for batteries. A combination of strategic investors from Japan and company insiders are participating in the latest round, said CEO Mark Zager. As of this week, Silatronix has raised $4 million out of a total of $7 million it’s seeking. The financing was disclosed in a pair of filings with securities regulators. The energy storage company’s focus is on making lithium-ion batteries more powerful and safer. The end result could be mobile phones and tablets that stay charged longer, or electric cars that can travel much greater distances before they need to be plugged in to recharge.
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