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Scientists Invent Battery Made of Paper

Scientists Invent Battery Made of Paper

photo courtesy of newatlas

Scientists have developed a water-activated, disposable, paper battery, according to a proof-of-concept study published in Scientific Reports. The developers believe that their invention could be used to power a variety of low-power, single-use electronics, such as smart packaging, environmental sensors and medical diagnostic devices, thereby reducing their environmental impact.

The single-cell battery consists of one square centimeter of paper treated with salts. One side is printed with ink containing graphite flakes, which serves as the positive terminal, and the other side is printed with ink containing zinc powder to create the negative terminal. Another layer of ink containing graphite flakes and carbon black is applied over that, linking the battery’s positive and negative ends to two wires secured by wax.

When a few drops of water are added to the paper, the salts dissolve, releasing charged ions that spread across the paper to activate the battery. In tests, researchers were able to reach a stable 1.2 volts. (The voltage of a standard AA alkaline battery is 1.5 volts.) The battery’s performance decreased significantly after an hour when the paper dried. However, after two more drops of water were added, the battery maintained 0.5 volts for an additional hour.

5 Top Tips to Finding Your Next Doctor

1 Keep an Open Mind! Healthcare has come a long way. Today, you have access to practitioners that branch outside of traditional medicine and aim to identify the root causes of conditions while using alternative treatments that may help you get the relief you need. Just because it’s not a pill, doesn’t make it pseudoscience.

2 Build Your Health Care Team. There is no one doctor that can be the be-all-end-all for your health needs. Be sure to have a team of practitioners with different “lenses” and areas of expertise who will treat the root cause and not just the symptom(s).

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5 Report of Findings. When it comes to our health, we often make decisions without understanding the risk versus benefits. Knowledge is an important part of the healing process and is essential to make conscious, informed health decisions. Find practitioners who take the time to explain their exam findings and the recommendations for treatment in ways that make sense to you.

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