#6: Danielle Fong - An Engine Powered By Light

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First Principles with Christian Keil

Christian Keil

20 episodes

8 months ago

On First Principles, Christian Keil, Host and Chief of Staff at Astranis, dives into the heart of innovation, making the complex world of deep tech startups approachable without needing a PhD.

All content for First Principles with Christian Keil is the property of Christian Keil and is served directly from their servers with no modification, redirects, or rehosting. The podcast is not affiliated with or endorsed by Podjoint in any way.

On First Principles, Christian Keil, Host and Chief of Staff at Astranis, dives into the heart of innovation, making the complex world of deep tech startups approachable without needing a PhD.

Technology

Business,

Entrepreneurship

#6: Danielle Fong - An Engine Powered By Light

First Principles with Christian Keil

1 hour 21 minutes

1 year ago

#6: Danielle Fong - An Engine Powered By Light

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Episode 6: When heated, sodium emits energy via visible light at 2.1eV (or 589 nm wavelength). So, if you make an engine that heats up sodium, you can tune a solar cell to exactly that frequency and capture light efficiently — giving you the portability of a battery with the energy density of hydrocarbons.

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(00:00) - Intro
(00:32) - Danielle’s Background
(04:40) - Early Interest in Energy and Fusion Research
(08:14) - Leaving Academia to Become an Entrepreneur
(11:40) - Starting LightSail and Innovating in Compressed Air Energy Storage
(15:35) - Reflecting on LightSail and Compressed Air Energy Storage
(19:48) - Limitations of Batteries, Engines, and Fuel Cells
(22:30) - The Vision for Portable, Energy-Dense Power Generation
(27:16) - Rethinking Combustion and Light Generation for Compact Power
(31:56) - How the New Power Generation Process Works
(37:58) - Managing High Temperatures and System Components
(42:26) - Recirculating Heat for Higher Efficiency
(48:38) - Theoretical Limits and Practical Challenges
(52:50) - Engineering Solutions to Minimize Losses
(58:32) - The Experimental Approach to Rapid Learning
(01:02:54) - Balancing Exploratory Work with Systematic Testing
(01:07:40) - Developing the Craftsmanship of Research
(01:11:15) - Managing Company Priorities while Preserving Creativity
(01:15:18) - Advice for Learning and Advancing Technology
(01:18:36) - Building Real Projects and Sharing Knowledge
(01:22:10) - Conclusion

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Links:
Christian Keil – https://twitter.com/pronounced_kyle
Danielle Fong – https://twitter.com/DanielleFong
Lightcell Energy – https://www.lightcellenergy.com/

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Production and marketing by The Deep View (https://thedeepview.co). For inquiries about sponsoring the podcast, email team@firstprinciples.fm

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Checkout the video version here → http://tinyurl.com/4fh497n9

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