Navigation Links
Cheap catalyst made easy
Date:3/22/2011

Catalysts made of carbon nanotubes dipped in a polymer solution equal the energy output and otherwise outperform platinum catalysts in fuel cells, a team of Case Western Reserve University engineers has found.

The researchers are certain that they'll be able to boost the power output and maintain the other advantages by matching the best nanotube layout and type of polymer.

But already they've proved the simple technique can knock down one of the major roadblocks to fuel cell use: cost.

Platinum, which represents at least a quarter of the cost of fuel cells, currently sells for about $65,000 per kilogram. These researchers say their activated carbon nanotubes cost about $100 per kilogram.

Their work is published in the online edition of Journal of the American Chemical Society at http://pubs.acs.org/doi/full/10.1021/ja1112904.

"This is a breakthrough," said Liming Dai, a professor of chemical engineering and the research team leader.

Dai and research associates Shuangyin Wang and Dingshan Yu found that by simply soaking carbon nanotubes in a water solution of the polymer polydiallyldimethylammoniumn chloride for a couple of hours, the polymer coats the nanotube surface and pulls an electron partially from the carbon, creating a net positive charge.

They placed the nanotubes on the cathode of an alkaline fuel cell. There, the charged material acts as a catalyst for the oxygen-reduction reaction that produces electricity while electrochemically combining hydrogen and oxygen.

In testing, the fuel cell produced as much power as an identical cell using a platinum catalyst.

But the activated nanotubes last longer and are more stable, the researchers said. Unlike platinum, the carbon-based catalyst: doesn't lose catalytic activity and, therefore, efficiency, over time; isn't fouled by carbon monooxide poising; and is fre
'/>"/>

Contact: Kevin Mayhood
kevin.mayhood@case.edu
216-368-4442
Case Western Reserve University
Source:Eurekalert

Page: 1 2

Related biology technology :

1. James Bond Meets Cheaper by the Dozen: An Action Thriller the Entire Family Will Enjoy
2. Cheaper drugs, vaccines forecast as collaborations grow between developing countries biotech firms
3. Simple test could offer cheap solution to detecting landmines
4. Simple test could offer cheap solution to detecting landmines
5. Nanopillars promise cheap, efficient, flexible solar cells
6. Stanford researchers find a quicker, cheaper way to sort isotopes
7. Cheaper materials could be key to low-cost solar cells
8. Nanoscale dimensioning is fast, cheap with new NIST optical technique
9. GEECF: Spectrum Launches Zero Waste Philippines and Gears Towards Cheap Green Energy
10. New highly stable fuel-cell catalyst gets strength from its nano core
11. Catalyst sandwich
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/1/2015)... -- InferMed , s ... will augment ... olutions suite   Elsevier , a ... services, announced today the acquisition of  InferMed , a ... InferMed,s Arezzo technology supports clinicians in choosing the ...
(Date:6/30/2015)... ... June 30, 2015 , ... Students and ... in the first half of “Integrative Biotechnology,” an applied biotechnology course team-taught by ... 2014, this course combines students from both universities and is taught on both ...
(Date:6/30/2015)... 30, 2015  Today, Americord Registry, one of the fastest ... Horne , a partner at Kirkland & Ellis LLP, as ... Logo - http://photos.prnewswire.com/prnh/20150630/226958LOGO   "We are thrilled ... says Martin Smithmyer , CEO of Americord. "He brings ... that will assist Americord,s growth and vision." ...
(Date:6/30/2015)... DENVER, CO (PRWEB) , ... June 30, 2015 , ... ... technologies, today announced that it has hired Gem Swartz to head up its account ... as senior account director. Both Gem and Amanda bring senior account management and delivery ...
Breaking Biology Technology:Elsevier Acquires InferMed, Provider of Clinical Decision Support Technology 2Elsevier Acquires InferMed, Provider of Clinical Decision Support Technology 3Elsevier Acquires InferMed, Provider of Clinical Decision Support Technology 4Rivier University and Beijing City University Academic and Cultural Exchanges Begin 2Americord Registry Announces Andrew Horne as Advisory Board Member 2Matrix Marketing Group Expands Client Services Team 2
... Feb. 6 Diffusion Pharmaceuticals LLC, a clinical-stage ... oxygen diffusion, today announced the completion of a ... support the company,s overall growth and clinical programs ... crocetinate (TSC). In addition, David G. Kalergis, ...
... Ala., Feb. 6 BioCryst Pharmaceuticals, Inc. (Nasdaq: ... fourth quarter and year ended December 31, 2008. Fourth ... ended December 31, 2008, the Company reported collaborative and ... to $28.2 million for the three months ended December ...
... N.C., Feb. 5 As biopharmaceutical companies,focus ... opportunities, fixed-dose,combination (FDC) products have become an ... an effort to better understand the development ... recent study was conducted by Best Practices,LLC, ...
Cached Biology Technology:Diffusion Pharmaceuticals Announces Completion of a $2.9 Million Private Placement and Company Presentations at Upcoming Industry Conferences in Geneva, Switzerland and Naples, Florida 2Diffusion Pharmaceuticals Announces Completion of a $2.9 Million Private Placement and Company Presentations at Upcoming Industry Conferences in Geneva, Switzerland and Naples, Florida 3BioCryst Reports Fourth Quarter and Year End 2008 Financial Results and Provides Corporate Update 2BioCryst Reports Fourth Quarter and Year End 2008 Financial Results and Provides Corporate Update 3BioCryst Reports Fourth Quarter and Year End 2008 Financial Results and Provides Corporate Update 4BioCryst Reports Fourth Quarter and Year End 2008 Financial Results and Provides Corporate Update 5BioCryst Reports Fourth Quarter and Year End 2008 Financial Results and Provides Corporate Update 6BioCryst Reports Fourth Quarter and Year End 2008 Financial Results and Provides Corporate Update 7BioCryst Reports Fourth Quarter and Year End 2008 Financial Results and Provides Corporate Update 8BioCryst Reports Fourth Quarter and Year End 2008 Financial Results and Provides Corporate Update 9New Study Shares Benchmarks for Fixed-Dose Combination (FDC) Drug Development 2New Study Shares Benchmarks for Fixed-Dose Combination (FDC) Drug Development 3
(Date:6/17/2015)... , and HILDEN, Germany , June 17, ... ; Frankfurt Prime Standard: QIA) today launched new Investigator ® ... forensic laboratories in the United States . ... simultaneously analyze multiple key genomic markers (short tandem repeats or ... Quality Sensor to evaluate the quality of DNA in each ...
(Date:6/17/2015)... 17, 2015  Crossmatch™, a leading provider of ... U.are.U ® 4500 fingerprint readers have been ... Inc., a San Jose, CA ... security, improve accountability and reduce fraud at the ... identity confirmation for employee sign in and transaction ...
(Date:6/16/2015)... -- With the increasing number and severity of data breaches ... recent compromise of Federal employee data from OPM,s ... government agencies. HYPR Corp. announced today that ... has been submitted for testing and approval of Federal ... tamper proofing. The proliferation of security ...
Breaking Biology News(10 mins):QIAGEN Launches New Genetic Fingerprinting Kits for U.S. Forensic Labs 2QIAGEN Launches New Genetic Fingerprinting Kits for U.S. Forensic Labs 3QIAGEN Launches New Genetic Fingerprinting Kits for U.S. Forensic Labs 4QIAGEN Launches New Genetic Fingerprinting Kits for U.S. Forensic Labs 5Togo's Eateries Improve Security and Accountability with Crossmatch Fingerprint Readers 2Togo's Eateries Improve Security and Accountability with Crossmatch Fingerprint Readers 3Government Ready Biometric Security Approaching as HYPR Corp. Files FIPS 140-2 Level 3 Validation for Its Proprietary Biometric Token 2Government Ready Biometric Security Approaching as HYPR Corp. Files FIPS 140-2 Level 3 Validation for Its Proprietary Biometric Token 3
... Along with eggs, soup and rubber toys, the list ... advanced materials such as self-organizing colloids, or optics that ... and the flexibility of a liquid. The unusual ... first known biological occurrence of a potentially new state ...
... professor is delving more deeply into how the migration ... especially during the hottest months of the year., Shankar ... the Cullen College of Engineering, first began looking at ... plants along the Houston Ship Channel in 2008. , ...
... An inventory of wild-caught caterpillars, its food plants and parasitoids, ... Area de Conservacin Guanacaste (ACG), a protected area ... result, more than 10,000 species of moths and butterflies are ... attacked by many parasitoid wasps, also numbering thousands of species. ...
Cached Biology News:In the eye of a chicken, a new state of matter comes into view 2In the eye of a chicken, a new state of matter comes into view 3In the eye of a chicken, a new state of matter comes into view 4In the eye of a chicken, a new state of matter comes into view 5How much does African dust add to Houston's pollution? 2Almost 200 new species of parasitoid wasps named after local parataxonomists in Costa Rica 2
Bovine Serum Available Anticoagulants: N-02: Citrate N-04: Heparin (Na) N-06: K2EDTA N-08: Potassium Oxalate N-10: EDTA (Na) N-03: Alsevers N-05: ACD N-07: CPD N-09: K3EDTA N-11:...
Adult Bovine Serum US Origin...
Takara's Mutan-Super Express Km Kit is designed to achieve site-directed mutagenesis in just one day. It is based on Oligonucleotide-directed Dual Amber (ODA) method, using the advantages of LA (Long...
... The 4700 Proteomics Analyzer Mass Standards ... to test instrument function, optimize instrument parameters, ... peptide standards. This kit is designed for ... any MALDI-TOF mass spectrometry system. Standards in ...
Biology Products: