The typical charging time for an ebike battery is measured in hours, but California startup Morelle looks to slash that unit to minutes. With a leadership team that includes mountain bike pioneer and ...

Create an account or log in to save stories. CATHY WURZER: You've probably noticed a surge in popularity of e-bikes recently. You see them all over the place. Sales of electric bikes went up by 400% ...

Your next e-bike or robot vacuum might not have a lithium-ion battery. The ubiquitous batteries have problems—they’re slow to charge, wear out quickly, and sometimes lead to catastrophic fires. But ...