Public Lecture-A Blueprint for New Fuel Cell Catalysts

[@fatherjack2300]

23:05 "What do these metals look like at an atomic scale?" 30:00 Volcano Plot (in log scale) 42:20 "Combination of the same 2 metals, but … we dramatically change how they interact with Oxygen 49:15 "Five times less Pt in a fuel cell"

[@TheByErkin]

Great and simple explanation! It's rare to find such kind of scientists these days :)

[@omsingharjit]

It helped me to understand how Catalysts really works

[@davidwilkie9551]

The "Real" pointy end of Phys-Chem and Science/Technology. Thank you

[@skrypa7]

Amazing lecture!! Helped me a lot in my phd!

[@saneliswamagagula9781]

Brilliant talk. Thank you Sir!

[@boolsson1258]

Very interesting and clear presentation! Thank you!

[@ozzyfromspace]

Rhodium is about $170,000/kg (space shuttle money!). For context, Platinum is 5.5x cheaper.

[@shaneoneill2254]

316 or 304 stainless steel is great enough to produce, on demand. It's all about arrangements and design

[@fatherjack2300]

This could have major negative implications for platinum mines in South Africa such as Amplats, Implats, Northam Platinum, Royal Bafokeng Platinum, Ivanhoe Mines etc.

[@netsight]

Well that was really informative. Daniel raises a valid point too at 1:05:12 regrading combusting H2 vs electro-chemical energy extraction as combustion will still create that familiar smog we see around the major cities. Just wondering though recently I've heard about the use of graphene flakes with halogen coated edges, particularly iodine as an efficient and cheaper catalyst, is there any investigation at SLAC pursuing this too?

[@user-ds8dp4mt8v]

netsight 谢谢啦！！！真是非常感谢！😂😂😂

[@99.99]

Palladium... cobalt... platinum...the markets will know. Which ever one you choose it'll end up being costly.

[@josidasilva5515]

Try applying a high frequency pulse-voltage to resonate with the electron's movement around the nucleus to increase efficiency.

[@Kalumbatsch]

And what frequency would that be?

[@josidasilva5515]

Since we are trying to resonate with the electron circulating the nucleus, it must be a multiple of the time x/t. Speed of the electron = 2.2*10^6 m/s divided by the elliptical distance traveled. Use the radius of hydrogen atom to calculate the distance: 2.5x10-11 m. Given the variables it will be trial by error.

[@Kalumbatsch]

The first problem with that is that the electron doesn't circle around the nucleus, the second problem is that you don't even know what you're trying to do.

[@josidasilva5515]

Quantum mechanics is still in its infancy, therefore not appropriate to explain the efficient use of energy to resonate with existing frequencies.

[@Kalumbatsch]

No. Quantum mechanics is not "in its infancy", it's the most precisely tested theory in the history of science. You won't build better fuel cells by making stuff up.

[@blim003]

See i thought the fuel cell was used to split water into oxygen and hydrogen to be used in a combustion engine. But this suggests doing the opposite and achieving a current. I'm so confused 😕

[@robertironside290]

There has been a similar reaction in terms of heat produced with common water or even salt water toward what has been traditionally thought of as cold fusion [Pons and Fleischman experiment resulting in heat energy using palladium].

[@paulbedichek5177]

No,cold fusion is bunk.

[@ozzyfromspace]

The artificial methanol process is actually quite smart 👏🏽🥇

[@jfrjr7964]

Round and round AND ROUND! At the end we are all using Methanol. I guess we are in the same place.

[@shaneoneill2254]

That's why we can use bigger alternator and and extra battery

[@kevinmichaelbergman8276]

First you all need to know the Value Polarization of each Metal before arguing any points. Gold & Silver are positive?

[@omsingharjit]

28:54 wow This part is very Interesting and Confusion clearing .

[@shaneoneill2254]

Creating a magnetic field frequency, will turn it up or down

[@shaneoneill2254]

Apply a frequency, to make atom size pulsate, happy atoms, on the surface

[@shaneoneill2254]

What about pumping oxygen into hydrogen cell,while running

[@robertironside290]

The kenetic sort of idea of attraction and repellation.... opposites... magnetic kenetics?

[@ozzyfromspace]

I have a patent for a Juicero based catalyst. It squeezes the hydrogen out of water. I’m looking for investors and a Juicero machine.

[@robertironside290]

should try nickle and palladium :-))

[@fatherjack2300]

Continue watching the Q&A. Heidi Barnes asks that precise question at 56:46

[@ozzyfromspace]

Surprised to find that in late 2019, palladium is about $60,000/kg (about 2x the cost of platinum per kilogram). I’m excited to see what he says when I get to that part of the lecture Edit: around 17:30 he talks about platinum is electrochemically the best, and his analysis rules out palladium (worse performer at double the price)

[@jfrjr7964]

I think they should do it like batteries. Do it cheap and lasting short with metals that can be recycled and make it popular.

[@j9312]

this is inspiring.

[@shaneoneill2254]

It's all about neutral arrangements

[@MrJpegi]

nice

[@shaneoneill2254]

Nitrogen oxides, only if it's open cell

[@michaeloneill1897]

What happens when H2O is replaced with H2O2 ?

[@TheByErkin]

You mean in the cathode? If so, peroxide formation might lead to corrosion of the catalyst and also degrade the membrane thus lowering the overall efficiency. That's why 4-electron pathway is preferred for ORR.

[@thypnotist]

Why use metal at all, why not use carbon nano tubes?

[@sergisantos28]

1 million

[@666crippled666]

He thinks cars are melting arctic ice? The arctic had no ice at all 7000 years ago

[@ozzyfromspace]

Space mining, fam

[@Michael-qw3xg]

Nothing new