2026年の期間内（対象：2026年5月～9月）まで、NumberWebで反響の大きかった記事ベスト5を発表します。高校野球部門の第4位は、こちら！（初公開日 2026年7月14日／肩書などはすべて当時）。

三井金属とFactorial Energyが9月18日、全固体電池の実用化に向けた共同開発契約を締結した。全固体電池は材料だけでは作れない――三井金属とFactorialがセル製造プロセスを共同開発二社は ...

Factorial Energy has signed a joint development agreement with Japan’s Mitsui Kinzoku for solid electrolytes, the latest in a run of partnerships its chief executive says are necessary because no ...

Solid-state battery specialist Factorial Energy is teaming up with Mitsui Kinzoku, one of the few companies producing sulfide-based solid electrolytes, to scale up the promising new technology.

The ABC managing director has rejected an Australian media watchdog finding that the public broadcaster breached impartiality obligations in a Four Corners program about the redevelopment of the ...

Using two iPhones has always come with one obvious headache: your phone number typically belongs to one of them. You can move an eSIM between devices, use various workarounds, or simply accept that ...

Factorial Energy (FAC) up 13.9% in Tuesday's trading as Oppenheimer initiated coverage with an Outperform rating and $8 price target, seeing the company as a leading play in the commercialization of ...

For years now Tim Holme has watched the same drama repeat itself roughly once a week. A headline arrives: some laboratory somewhere has cracked the problem, invented the battery of the future, solved ...

The Department of Justice Honors Program has spent decades selling itself as “the largest and most prestigious federal entry-level attorney hiring program of its kind.” It was the front door to a ...

MILAN, June 19 (Reuters) - Automaker Stellantis holds a 9.5% stake in U.S. solid-state battery startup Factorial Energy (FAC.O), opens new tab and might ‌buy further shares in the future, a SEC filing ...

Factorial Energy has surged post-SPAC IPO, but its $3B valuation is driven by low float and retail-driven hype. FAC's technology is validated by major OEMs, but commercial contracts and revenue remain ...

Founded in the greater Boston area, Factorial develops solid-state batteries. Credit: Noah Emad / Shutterstock.com US solid-state battery developer Factorial Energy has begun trading on the Nasdaq ...