A company working with Tesla’s main US battery supplier has silicon-based tech that could soon give electric cars 500-mile ranges and charge refills in just 10 minutes. A company working with Tesla’s main US battery supplier has silicon-based tech that could soon give electric cars 500-mile ranges and charge refills in just 10 minutes. Read More Gear, Gear / Gear News and Events, Business, Business / Transportation, Amped Up Wired