New lithium-oxygen battery greatly improves energy efficiency, longevity

Also known as lithium-air, the tech has been in the news before with promise for five to 15-times more efficiency than standard lithium-ion batteries.

Lithium-air batteries are considered highly promising technologies for electric cars and portable electronic devices because of their potential for delivering a high energy output in proportion to their
weight. But such batteries have some pretty serious drawbacks: They waste much of the injected energy as heat and degrade relatively quickly. They also require expensive extra components to pump oxygen
gas in and out, in an open-cell configuration that is very different from conventional sealed batteries.

A Li-air cell creates voltage from the availability of oxygen molecules (O2) at the positive electrode. O2 reacts with the positively charged lithium ions to form lithium peroxide (Li2O2) and generate electric energy.

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Mass Converter Mass, t = Mass, kg = Mass, g = Mass, mg = Mass, μg = Mass, lb = Mass, oz = Mass, US ton = With this converter, you can simultaneously convert several mass units to other mass units. Simple example: 1 kg = 1000 g Composite example: 1 kg and 10 g = 101000 mg Abbreviations for mass: t - tonne (metric ton); kg - kilogram; g - gram; mg - milligram; μg - microgram; lb, lbs - pound; oz - ounce.

What Causes Mucus in Bowel Movement?

Mucus in Bowel Movement Mucus and slimy bowel movement can be caused by Chronic pancreatitis. Sometimes it can also be due to unprocessed fats in your stools. Other possible cause might be due to celiac disease. Actually, Mucus can be a symptom of anomalies in our abdominal walls. Its presence must be temporary and would be likely to turn into regular after few days. Mucus is produced by mucous glands that line the small and large intestine and is a translucent, jelly like substance that come out in stool. Mucus and slime smooth movement is signified by presence of mucus all over your stools. Healthy people may also have certain amount of mucus in normal stools. Usually mucus is not mixed with stool. In following conditions mucus may appear in normal semi-soft stools:

Diagnosing Stomach Problems with Stool Color

Dark-colored stools may be seen in platelet function disorders, iron deficiency anemia, cirrhosis, colorectal cancer, disseminated intravascular coagulation, peptic ulcer, or stomach cancer. Liver disease may include a yellow tone to the skin and whites of eyes (jaundice) and brownish urine. Black or tarry stools (Melena) The passage of black, tarry and foul-smelling stools; can be an indication of digested blood in the stool. Other causes are, iron deficiency anemia, cirrhosis, colorectal cancer, disseminated intravascular coagulation, peptic ulcer, or stomach cancer. In advanced cirrhosis (liver disease), the abdomen becomes distended with fluid and ruptured blood vessels in the stomach and esophagus cause bleeding. The person may vomit blood or pass black stools. Very dark stools, for example, may indicate an ulcerative lesion in the higher digestive tract. Note: The ingestion of black licorice, lead, iron pills, Pepto-Bismol, or blueberries can all cause black stools or false ...

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