Japan launches first Li-ion submarine
A new submarine for the Japan Maritime Self-Defense Force (JMSDF) was launched on 4 October. The launch of a Soryu-class submarine is not an unusual event in itself, but this occasion was significant as it is the first Japanese submarine to be powered by lithium-ion (Li-ion) batteries.
Not only that, it will be the world’s first naval submarine to be thus powered.
The 2,950t vessel, to be christened Oryu (SS 511), measures 84m in length and will be able to reach a submerged speed of 20kt. Its builder, Mitsubishi Heavy Industries (MHI), will deliver this eleventh
Our news & analysis is now part of Defence Insight®
A Basic-level or higher Defence Insight subscription is now required to view this content.
More from Naval Warfare
-
![How France’s SNLE 3G programme is reshaping the naval nuclear industrial base]()
How France’s SNLE 3G programme is reshaping the naval nuclear industrial base
Extending far beyond a four-submarine replacement programme, France’s ballistic missile submarine effort is a decades-long industrial effort designed to preserve the country’s ability to build and sustain nuclear-powered strategic platforms.
-
![Quantum Systems enters maritime domain with Baltic-focused USV and UUV]()
Quantum Systems enters maritime domain with Baltic-focused USV and UUV
Quantum Systems has launched into the maritime domain with Seavex and Subvex, aiming to close a Baltic Sea ISR gap opened by infrastructure sabotage.
-
![Suppliers await next step in Australia’s mine warfare transition]()
Suppliers await next step in Australia’s mine warfare transition
Australia’s mine countermeasure capability remains in flux as the Huon-class nears retirement, but accelerated investment in autonomous systems is opening a path for industry.
-
![Can the US Navy ask Indo-Pacific allies to do more while training with them less?]()
Can the US Navy ask Indo-Pacific allies to do more while training with them less?
As the Iran War draws US ships and marine corps units away from the Indo-Pacific, curtailed exercises and a temporary carrier gap are exposing tensions between Washington’s demand for more self-reliant allies and the joint training needed to realise that ambition.
-
![How could Rheinmetall’s GMF 140 fit with ongoing programmes in North America?]()
How could Rheinmetall’s GMF 140 fit with ongoing programmes in North America?
With Canada committed to its River-class replacement and the USN pursuing a lower-cost frigate, Rheinmetall will need to demonstrate where the GMF 140 can fill a capability gap in the North American fleet.
