Fuel Cell Tech Gets Boost from New Bio Catalyst
July 4, 2013 10:36 AM
comment(s) - last by
Platinum is much too expensive and limited
Metal-air batteries and fuel cells for electric vehicles could get a performance boost from a new development by Korean researchers.
Researchers from Ulsan National Institute of Science and Technology (UNIST) in South Korea -- led by Prof. Jaephil Cho, dean of the Interdisciplinary School of Green Energy of UNIST -- have developed a bio-inspired composite electrocatalyst that
could replace platinum
Right now, platinum and its alloy are key catalysts for activation of the oxygen reduction reaction that increases performance of fuel cells and metal-air batteries, but both are not easily used due to their high cost and limited availability.
That's why Cho and his team came up with a less-expensive and easily-produced catalyst: a bio-inspired FePc-Py-CNTs catalyst.
This development introduces a a new class of ORR catalysts using pyridine-functionalized carbon nanotubes (CNTs). These CNTs, which provide an easy route for quick electron transfer from the current collector to the ORR active sites, hold FePc molecules securely and provide the axial ligand for the iron center.
“I believe the FePc-Py-CNTs catalysts is a technologically promising candidate for practical applications in metal-air batteries and alkaline fuel cells,” said Cho. “The origin of the enhanced performance for this bio-inspired catalysts in aromatic macrocycle, provides important insight into rational design of metal macrocycles catalysts for other applications such as solar harvesting and catalysts for other redox reactions.”
It looks like Cho may be right. The FePc-Py-CNTs catalyst is capable of a longer cycle life than unpyrilysed metal macrocycles catalysts by about 1,000+ cycles in tests.
The team also proved that the new catalyst offered higher electrocatalytic activity for oxygen reduction than platinum/C catalysts.
This could be a great find for automakers that are set on making strides in fuel cell technology for their vehicles. For instance,
General Motors (GM) and Honda
announced just this week that they'd team up to commercialize fuel cell technology by 2020.
Ulsan National Institute of Science and Technology
This article is over a month old, voting and posting comments is disabled
RE: Bleh. We have heard it all a hundred times.
7/5/2013 5:21:57 PM
"I had you confused with one of the many that go on and on about how nothing will ever compare to an ice."
I know the type... For whatever reason, alot of people are really passionate about their gas ;)
"We are going to continue to work with them to make sure they understand the reality of the Internet. A lot of these people don't have Ph.Ds, and they don't have a degree in computer science." -- RIM co-CEO Michael Lazaridis
GM, Honda Team Up for Fuel Cell Vehicle Technology
July 3, 2013, 7:40 AM
Platinum Nanoparticles Used in Breakthrough Hydrogen Fuel Cell Catalyst
August 3, 2010, 9:44 AM
Report: Vehicle-to-Vehicle Communications Could Make New Cars, Trucks Costly
March 13, 2014, 7:19 PM
BMW: Demand for i8 Hybrid Sports Car Outpaces Production
March 13, 2014, 10:08 AM
Toyota's Takeshi Uchiyamada Says Hybrids Will Soon Have 20% Global Share
March 13, 2014, 9:24 AM
Tesla Loses Out in New Jersey's Vote for Direct Auto Sales Ban
March 12, 2014, 12:44 PM
Bids Sought to Build New Presidential Limo
March 12, 2014, 10:21 AM
Audi Traffic Light Recognition System Hopes to Save Fuel
March 11, 2014, 9:54 AM
Most Popular Articles
Malaysian Airlines Flight 370 Made Wild Altitude Changes
March 14, 2014, 9:21 PM
Tesla Motors Calls New Jersey Out on New Rule Against Its Direct Sales Model
March 11, 2014, 12:01 PM
Hack Reveals Fallen Bitcoin CEO's Posh Tokyo Penthouse
March 10, 2014, 4:28 PM
Apple Authorized to Seek $40 Per Device Against Samsung
March 13, 2014, 4:31 PM
Man Who Shot Father for Texting During Movie Previews Was Also Texting
March 14, 2014, 2:25 PM
Latest Blog Posts
Retail Mobile Sites Experience Outages in Light of Simplexity's Bankruptcy
Mar 14, 2014, 8:48 AM
Tesla vs. BMW: Who Has the Safer EV?
Feb 1, 2014, 2:56 PM
Justice Leaks Details of Next HTC One Two Flagship Phone
Dec 5, 2013, 4:04 PM
Global Cyber Espionage Concerns Reveal Growing Cyber Armies
Nov 29, 2013, 11:04 AM
Is The Period Becoming an Expression of Anger?
Nov 26, 2013, 2:02 PM
More Blog Posts
Copyright 2014 DailyTech LLC. -
Terms, Conditions & Privacy Information