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The Truth about Hydrogen

Real Engineering · explainer · Watch on YouTube

Renewables, batteries & storageCars, EVs & motorcycles

What it is

Real Engineering examines the efficiency of hydrogen as an energy carrier. It follows production, storage and fuel cell conversion losses and compares hydrogen cars with battery electric vehicles.

Why Hacker News recommends it

HN links it in hydrogen threads as a clear breakdown of why compounded inefficiencies make hydrogen a poor fit for cars, though one commenter calls it outdated.

  • 5 people recommended it
  • 5 different months
  • 0 strong recommendations
  • first 2018, last 2021

What HN commenters said

  1. “Storing energy as hydrogen is much less efficient than storing energy in batteries.”

    Explains why hydrogen storage is less efficient than batteries

    nayuki, 2018-12 · Recommendation · in “Water-stabilized hydrogen promises twice the range of gasoline at half the price”

  2. “This is a good video on the subject”

    Good video on hydrogen being poor for cars

    mcot2, 2020-01 · Recommendation · in “Nuclear power is the only green solution (2004)”

  3. “this video had a good overview of the various production methods, including on-site at the fuel station”

    Overview of hydrogen production methods including on-site

    dmix, 2020-07 · Recommendation · in “After many false starts, hydrogen power might now bear fruit”

  4. “Nice summary as for cars fuel application here”

    Summary of hydrogen as car fuel

    nuccy, 2020-09 · Recommendation · in “Small nuclear reactors: tiny NuScale reactor gets safety approval”

  5. “This video gives a good breakdown on how the inefficiencies in hydrogen fuel cell based cars add up.”

    Breakdown of how hydrogen fuel cell car inefficiencies add up

    rdedev, 2021-03 · Recommendation · in “Toyota Develops Packaged Fuel Cell System Module for Hydrogen Utilization”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: hydrogen, fuel cells, battery electric vehicles, energy storage, efficiency

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