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Why It's So Hard To Make Better Batteries: Crash Course Engineering #32

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 Environmental   |   Science   |   Technology
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There are batteries powering so many parts of our everyday lives, so today were going to talk about how they work and how we can make them better. Well explain how they provide power by discharging ions between a cathode and an anode, and how reversing that process gives us a way of charging them. Well also look at how that batteries deliver voltage differently over time, leading to discharge curves, and some of the work being done to improve the properties of batteries for portable electronics.

Crash Course Engineering is produced in association with PBS Digital Studios: https://www.youtube.com/playlist?list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV

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RESOURCES:
https://engineering.mit.edu/engage/ask-an-engineer/how-does-a-battery-work/
http://www.qrg.northwestern.edu/projects/vss/docs/power/2-how-do-batteries-work.html
https://www.explainthatstuff.com/batteries.html
https://web.mst.edu/~gbert/BATTERY/battery.html
https://www.scientificamerican.com/article/how-do-batteries-store-an/
https://www.thenakedscientists.com/articles/science-news/swallowable-sensors-sustain-power-stomach-acid
https://batteryuniversity.com/learn/archive/understanding_lithium_ion


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Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse

Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:

Eric Prestemon, Sam Buck, Mark Brouwer, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore
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