Testing a REAL Solid-State Battery - I Tried EVERYTHING
I drove a nail through it. Lit its electrolyte on fire. Cut one in half with a pair of scissors. Nothing happened.
I flew to Taiwan and spent 2 days inside ProLogium — the company that has been quietly building solid-state batteries for 20 years, and is now shipping cells at giga-watt-hour scale that hit 360 watt-hours per kilogram on a third-party verified test. We weighed it. We tested it. We tortured it.
This is the deepest solid-state battery video I've ever made. We break down the 4 problems every solid-state contender has to solve — safety, conductivity, pressure, and scale — and how ProLogium claims to have solved all 4 at once, with cells in production today.
Learn More about ProLogium!
https://prologium.com/
/ prologium
Huge thank you to ProLogium for opening every floor, every test, and every question. This was one of our favorite videos to make!
CHAPTERS
0:00 - Introduction
1:11 - What Is a Solid-State Battery? (China's New 2026 Standard)
2:35 - The 4 Problems That Killed Every Other Solid-State Contender
4:15 - Meet ProLogium: 20 Years of Ceramic
6:43 - Problem 1: Safety + Triple Safety
8:50 - Destroying a Battery 5 Different Ways
12:42 - Problem 2: Conductivity + The Third Type of Electrolyte
17:04 - Problem 3: The 800-Atmosphere Pressure Problem
18:44 - Problem 4: Manufacturing at Scale
23:38 - Measuring the Cell — 360 Wh/kg LIVE
25:54 - NCM 955, Silicon Anode, and What's Next
27:50 - The "Well-Behaved" Chips of Taiwan
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