Ferroelectric Devices Could Make IoT Data Unhackable. FeFET array enables homomorphic encryption in battery-powered devices.

Scientists develop battery with 5,000+ year lifespan by encasing radioactive carbon in diamond | It could power electronics aboard space probes for centuries, among other things

Northvolt Files for Bankruptcy With Debt of $5.8 Billion

Exploring the Cost and Feasibility of Battery-Electric Ships