can we make more Efficient solar panels ? Elon Musk

In this video Joe Rogan asks Elon Musk on the possibility of making more efficient solar panels.

Elon Reeve Musk FRS (/ˈiːlɒn/ EE-lon; born June 28, 1971) is a business magnate and investor. He is the founder, CEO and chief engineer of SpaceX; angel investor, CEO and product architect of Tesla, Inc.; owner and CEO of Twitter; founder of the Boring Company; co-founder of Neuralink and OpenAI; and president of the philanthropic Musk Foundation. Musk is the second-wealthiest person in the world, according to both the Bloomberg Billionaires Index and Forbes's Real Time Billionaires list as of May 2023 primarily from his ownership stakes in Tesla and SpaceX, with an estimated net worth of around $167 billion according to the Bloomberg and $176.2 billion according to the latter.

A solar panel is a device that converts sunlight into electricity by using photovoltaic (PV) cells. PV cells are made of materials that generate electrons when exposed to light. The electrons flow through a circuit and produce direct current (DC) electricity, which can be used to power various devices or stored in batteries. Solar panels are also known as solar cell panels, solar electric panels, or PV modules.
Solar panels are usually arranged in groups called arrays or systems. A photovoltaic system consists of one or more solar panels, a inverter that converts DC electricity to alternate current (AC) electricity, and sometimes other components such as controllers, meters, and trackers. A photovoltaic system can be used to provide electricity for off-grid applications, such as remote homes or cabins, or to feed electricity back into the grid and earn credits or payments from the utility company. This is called a grid-connected photovoltaic system.
Some advantages of solar panels are that they use a renewable and clean source of energy, reduce greenhouse gas emissions, and lower electricity bills. Some disadvantages are that they depend on the availability and intensity of sunlight, require maintenance and cleaning, and have high initial costs. Solar panels are widely used for residential, commercial, and industrial purposes, as well as for space and transportation applications.

Joseph James Rogan (born August 11, 1967) is an American UFC color commentator, podcaster, comedian, actor, and former television presenter.[1][2][3][4][5] He hosts The Joe Rogan Experience, a podcast in which he discusses current events, comedy, politics, philosophy, science, and hobbies with a variety of guests.
Rogan was born in Newark, New Jersey, and began his career in comedy in 1988 in the Boston area. After relocating to Los Angeles in 1994, he signed an exclusive developmental deal with Disney and appeared as an actor on several television shows, including Hardball and NewsRadio. In 1997, he started working for the UFC as an interviewer and color commentator. He released his first comedy special, I'm Gonna Be Dead Someday..., in 2000 and hosted the game show Fear Factor from 2001 to 2006. After leaving Fear Factor, Rogan focused on his stand-up career and hosted more comedy specials. He launched The Joe Rogan Experience in 2009; by 2015, it was one of the most popular podcasts in the world, regularly receiving millions of plays per episode. Spotify obtained exclusive distribution rights to The Joe Rogan Experience in 2020 for US$200 million.

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[trayvibe]

70% background music 30% solar efficiency

[msaad]

Increase the stupid music noise more, it isn't enough.

[naveDrahcir]

Rogan is asking Musk about putting solar on cars, and he is explaining that cars dont have enough surface area to be worth it.

[beanbaguk]

My solar panels have cut my monthly electric bill from 400 per month to just 60eur per month. Moreover, I get credited with generation at 70% the market rate and I over generate by about 25%. Based on this, I’ll make my initial investment back in two years, and it’ll add the equivalent value of the panels to my home. If this is what 30% efficiency gives me, so be it. I’ll be net zero in electric costs in just 2 years!

[JoshuaPritt]

I like how Elon throws out "triple junction gallium arsenide" all nonchalant.

[mrbust]

You need to increase the sound of the background music. I cannot hear it properly.

[BeeRich]

30%? That’s phenomenal. I remember when 17% was the target.

[somebodythatiusedtoknoooooooow]

Elon saying solar energy can't get more efficient sounds as convincing as Edison saying DC is the future.

[wakkawagga]

And then a few month later max efficiency went up by 80% (30ish to 50ish) because they added a second layer of different crystals to catch other wavelength.

[snorttroll]

Actually 30 percent panels if as cheap as the 20 percent ones is a nice jump.

[sbarmiueenl]

It's very hard to harvest the sun's energy without dissipating some as heat. 30% efficiency is already pretty good.

[carsonjwill]

Bro I do door 2 door sales for solar and people always say they’re against solar because it’s only at “30% efficiency” when they don’t even know what that means like bro it’ll cover 100% of your power though and it’s cheaper. (If it’s a qualified home for it)

[WritersOnTheWall]

he's explaining that the technology is as good as its ever going to get and its time to power the world with solar already

[zidniafifamani]

Keep in mind that 30% efficiency is the theoretical limit of single junction (essentially single layer) silicone photovoltaic panel, if you somehow able to make multi junction photovoltaic panel with 36 to 40 layer of photovoltaic cell you can get efficiency up to 72%.

Photovoltaic cell are estimated to have max theoretical efficiency of 85% with infinite junction cell.

[jwstolk]

20% is good enough, we don't pay for the other 80% in sunlight anyway.

[robarjay]

The clip is a little cut and he was talking about running a car with solar panels.

[ytvladnoob]

I'm sure solar technology will be more efficient, we just don't know how yet.
Tomas Edison said 12v DC was the way to go and then Nicola Tesla came with AC current wich seemed impossible

[Jayonase]

Remember when ibm made a computer the size of a bedroom and they thought it could never get smaller?

Pepperidge farms remembers.

[Etheoma]

Thing is that solar panels generally sit at around 21.5% efficiency today fresh off the assembly line and then quickly drop to ~18.5% efficiency due to a process have only recently started to understand and remedy, so assuming the maximum you can reasonable achieve is 30% that's a 62% increase over 18.5% and a 39.5% improvement over 21.5%, which is fairly significant.

30% is more of your end goal and it will take us a while to get there with convensional solar pannels, but it does show thare is a long way to go.


Also with these paintable solar materials there is the possibly of because able to paint multiple levels with each with a different material which lets certain wave lengths through and absorbs others so that you can absorb turn more of that light into electricity.

[mokhachoka]

You achieve as far as you believe. If nobody persisted we wouldn't have what we have today