EV to home, Recycling Lithium Batteries & 30% Efficient PV questions answered

This podcast answers 3 questions on solar and storage.

1) EV to home can mean EV to grid and EV to backup. Ford has announced that their F-150 Lightning Electric Pickup will be released next year and will have the ability to backup a house. What does that mean? Will it be able to work with a PV system and keep the battery charged or will it only work as long as the battery is charged? Will it be able to send electricity to the grid?

2) Now that there are a tremendous amount of lithium-ion batteries being manufactured, what will happen at the end of their lives? Fortunately, lithium-ion battery materials are not very toxic, unlike lead-acid batteries. Just like with solar modules, if we accidentally throw the materials in the trash, it will not be a toxicity issue, just a waste issue. Lithium-ion batteries will get recycled and the most important aspect of this is the need for cobalt, since much of the cobalt comes from the Congo, where child labor is often used.

3) The average efficiency of PV being installed these days hovers somewhere under 20% and the super high efficiency that people buy for some rich people's homes can be 22% efficient. It is interesting that for space applications, you can see up to 40% efficient PV, which has to be super-efficient! Even the richest guy in the world (Elon Musk) thinks gallium arsenide PV is expensive for space and has mentioned that he is using some crystalline silicon PV on some satellites. To find out more about gallium arsenide space solar cells, go to https://www.spectrolab.com/photovoltaics.html and make sure you have a few million bitcoin on your credit card (joke).

To find out more about solar and storage, go to www.solarSEAN.com

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