News tagged with cobalt oxide

Air-fueled battery could last up to 10 times longer

A new type of air-fuelled battery could give up to ten times the energy storage of designs currently available.

Technology / Energy & Green Tech

created May 18, 2009 | popularity 4.6 / 5 (36) | comments 16

Accidental discovery produces durable new blue pigment for multiple applications

An accidental discovery in a laboratory at Oregon State University has apparently solved a quest that over thousands of years has absorbed the energies of ancient Egyptians, the Han dynasty in China, Mayan ...

Chemistry / Biochemistry

created Nov 16, 2009 | popularity 4.5 / 5 (33) | comments 6

Water oxidation advance boosts potential for solar fuel

Emory University chemists have developed the most potent homogeneous catalyst known for water oxidation, considered a crucial component for generating clean hydrogen fuel using only water and sunlight. The ...

Chemistry / Materials Science

created Mar 11, 2010 | popularity 4.6 / 5 (26) | comments 12 | with audio podcast

Turning sunlight into liquid fuels (Video)

(PhysOrg.com) -- For millions of years, green plants have employed photosynthesis to capture energy from sunlight and convert it into electrochemical energy. A goal of scientists has been to develop an artificial ...

Chemistry / Other

created Mar 11, 2009 | popularity 4.7 / 5 (22) | comments 2

Virus battery could power cars, electronic devices

For the first time, MIT researchers have shown they can genetically engineer viruses to build both the positively and negatively charged ends of a lithium-ion battery.

Nanotechnology / Nanomaterials

created Apr 02, 2009 | popularity 4.6 / 5 (9) | comments 4

Scientists make nontoxic, bendable nanosheets

(Phys.org) -- Cornell materials scientists have developed an inexpensive, environmentally friendly way of synthesizing oxide crystal sheets, just nanometers thick, which have useful properties for electronics ...

Nanotechnology / Nanomaterials

created Apr 11, 2012 | popularity 4.6 / 5 (7) | comments 0 | with audio podcast

Titanium oxide doped with cobalt produces magnetic properties at room temperature

(PhysOrg.com) -- Spintronics — also known as magnetoelectronics — may replace electronics as the medium of choice for computer memory. The discovery of a mechanism that produces permanent magnets ...

Physics / General Physics

created Apr 22, 2011 | popularity 4.8 / 5 (5) | comments 1 | with audio podcast

Long-time mystery in cobalt oxides

The existence of an intermediate-spin (IS) state in cobalt oxides has long been a subject of dispute. A recent resonant X-ray scattering experiment has clearly demonstrated Co3+ eg orbital ordering in Sr3YCo4O10.5, ...

Physics / General Physics

created Aug 03, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast