Japan's Top Inventions - Season 5 - Eps 13: Lithium Ion Batteries / Dust Collectors for Tunnel Construction
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.
About Japan's Top Inventions

Title: Japan's Top Inventions
First Air Date: 2018-03-18
Last Air Date: 2025-03-29
Status: Returning Series
Rating: 0/10 (from 0 votes)
Language: EN
Seasons: 8
Total Episodes: 93
Network: NHK WORLD-JAPAN
Genres: Documentary
Production Companies: NHK, Japan International Broadcasting (JIB)
Synopsis
Japanese inventions are used and loved around the world. Through interviews and reenactments, go behind the scenes and discover how Japanese craftsmanship brought these top inventions into being.