Spinach-Derived Porous Carbon Nanosheets as High-Performance Catalysts for Oxygen Reduction Reaction
Biomass-derived porous carbon materials are effective electrocatalysts for oxygen reduction reaction (ORR), with promising applications in low-temperature fuel cells and metal–air batteries. Herein, we developed a synthesis procedure that used spinach as a source of carbon, iron, and nitrogen for preparing porous carbon nanosheets and studied their ORR catalytic performance. These carbon sheets showed a very high ORR activity with a half-wave potential of +0.88 V in 0.1 M KOH, which is 20 mV more positive than that of commercial Pt/C catalysts. In addition, they showed a much better long-term stability than Pt/C and were insensitive to methanol. The remarkable ORR performance was attributed to the accessible high-density active sites that are primarily from Fe–Nx moieties. This work paves the way toward the use of metal-enriching plants as a source for preparing porous carbon materials for electrochemical energy conversion and storage applications.
IRS documents show Tuberville Foundation kept money from vets
This isn’t the first time Tuberville has faced questions about his financial dealings. Tuberville has been tied to a few Ponzi Schemes in which friends of Tuberville’s faced criminal charges. Tuberville told News 19 in July he was a victim to people he trusted.
“This guy lost it. Plus he lost other people’s money. Of course, other people that lost money came back after who? A guy that had a job and was making money,” said Tuberville.
Senator Jones, also a non practicing lawyer says the legal situation speaks volumes. Tuberville settled the lawsuit with investors for an undisclosed amount of money.
“The victim does not pay another victim. There was a reason why he had to settle that lawsuit. Because of his own potential culpability,” said Senator Jones.
Donald Trump Has At Least $1 Billion In Debt, More Than Twice The Amount He Suggested
No aspect of Donald Trump’s business has been the subject of more speculation than his debt load. Lots of people believe the president owes $400 million, especially after Trump seemed to agree with that figure on national television Thursday night. In reality, however, he owes more than $1 billion.