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HHO generation/injection redux: It's not a fuel cell, fails in testing!

Last week we ignited some healthy discussion in the comments with my post on the (de)merits of on-board hydrogen generators and injectors. While few could argue with my basic thermodynamic analysis of the process, defenders repeated the claim from producers of these systems that something magical happens when you add hydrogen to the air fuel mixture of an engine. We've looked into this a little further in recent days including with a powertrain engineer that actually understands combustion processes. In the comments on the previous article a ... Read more →

MIT researchers develop inexpensive new catalyst for hydrogen production Sam Abuelsamid

One of the biggest cost drivers for electrolyzers and fuel cells is the need for precious metals like platinum to act as catalysts. At $1,700-2,000 per ounce, it can rapidly drive the costs of a fuel ...

HHO generation/injection redux: It's not a fuel cell, fails in testing! 1 year ago on Autoblog Green

Last week we ignited some healthy discussion in the comments with my post on the (de)merits of on-board hydrogen generators and injectors. While few could argue with my basic thermodynamic analysis of the process, defenders repeated the claim from producers of these systems that something magical ...

MIT researchers develop inexpensive new catalyst for hydrogen production 1 year ago on Autoblog Green

One of the biggest cost drivers for electrolyzers and fuel cells is the need for precious metals like platinum to act as catalysts. At $1,700-2,000 per ounce, it can rapidly drive the costs of a fuel cell through the roof. As a result one of the main areas of development in fuel cells has been ...


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