Episode 5

Part 1: Copenhagen Atomics CTO Aslak Stubsgaard on the fascinating Details of Breeder Molten Salt Reactors

Published on: 25th August, 2021

In a prior episode, I talked with Sean Kenny about so-called fourth-generation nuclear reactors. In particular, on their benefits and advantages compared to classical light-water reactors. However, we didn't talk about how companies build those new nuclear reactors. Oddly enough it is not that hard to build a light-water reactor and keep it stable. We first added nuclear reactors to the power grid in the 1950s ... without the help of a computer. Yet nowadays it is quite common for a construction time of up to 10 years. Far beyond anything reasonable in an economy of scale to make a dent in energy production and climate change.

That is another point where fourth-generation nuclear reactors differ from their conventional siblings. Due to the way they work, a variety of architectures and power outputs is possible, where seemingly every startup has its own approach. One of them is Copenhagen Atomics, attempting to build a 100 MW reactor on an assembly line, and their CTO Aslak Stubsgaard, explains how they build their reactors.

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About the Podcast

Deep Tech Stories
A podcast making deep tech accessible by highlighting creators and pulling their tech from the lab into the real world.
What do you need to start a nuclear power start-up? How do you build a company from cutting-edge research? And how do you convince Venture Capitalists to support your quantum computing company?
Deep tech companies are based on significant scientific or engineering challenges, such as artificial intelligence, blockchain, nuclear fission and every other crazy thing you can and cannot yet imagine.

My name is Philipp. Currently, I am a PhD student in theoretical physics and in Deep Tech Stories, I explore the tech and stories behind exciting start-up founders and researchers in the deep tech space.

You can find more on deeptechstories.io

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Philipp Stürmer

Doing a PhD in theoretical physics, he is still interested in the practical overlap of research, engineering and start-ups that changes the world.