7 Season
86 Episode
Japan's Top Inventions - Season 5 Episode 13 Lithium Ion Batteries / Dust Collectors for Tunnel Construction (2024)
The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind lithium-ion batteries, a key part of smartphones, laptops and electric vehicles. In the second half: dust collectors for tunnel construction, which help keep workers safe at worksites around the world.
- Country : Japan
- Genre : Documentary
- Studio : NHK WORLD-JAPAN
- Director :
- Cast :