As the screens of smart devices become larger and larger, the performance is getting stronger and stronger, the challenges for battery life are also getting bigger and bigger, and scientists all over the world are also busy solving the world's problems.

Swedish scientists have developed this can be used as a battery of "paper", made of nanocellulose, this "paper" can do the fiber is only 20 nanometers thick, (human hair diameter of about 100000 nm, is the 5000 times the fiber thickness.) The outer layer of nanofibers is covered with a layer of charged polystyrene plastic dissolved in an aqueous solution.

This is a material made of nano-cellulose, soft texture. The fibers in the Paper Battery are only 20 nanometers thick and the periphery is covered with charged polymer. In contrast, the thickness of a human hair is 100,000 nanometers, which is 5000 times the thickness of the fiber.

When these nanofibers are covered with charged plastic, they become "paper batteries" with a thickness of only a few tenths of a millimeter. A 15cm diameter "paper battery" can store up to 1 farad of power, which is comparable to the supercapacitors seen on the market today.

In addition to full power, this "paper battery" has the same paper-like flexibility, or even fold into a thousand paper cranes, thin, flexible electronic devices which will have a good partner. This "paper battery" does not contain any harmful chemicals or heavy metals, but also waterproof.

This paper battery has the same soft paper properties, and even folded into a thousand paper cranes. We may soon see this paper battery on smartphones, smartwatches, laptops and TVs.

Now the question is how to mass production.

Smaller scale bottling line 
Next the bottle enters a labelling machine ("labeller") where a label is applied. To ensure traceability of the product, a lot number, generally the date and time of bottling, may also be printed on the bottle. The product is then packed into boxes and warehoused, ready for sale.

Depending on the magnitude of the bottling endeavor, there are many different types of bottling machinery available. Liquid level machines fill bottles so they appear to be filled to the same line on every bottle, while volumetric filling machines fill each bottle with exactly the same amount of liquid. While gravity filling machines are most cost effective. In terms of automation, inline filling machines are most popular, but rotary machines are much faster albeit much more expensive.
Some bottling lines incorporate a fill height detector which reject under or over-filled bottles, and also a metal detector.
After filling and corking, a plastic or tin capsule is applied to the neck of the bottle in a capsular. Next the bottle enters a labeller where a label is applied. The product is then packed into boxes and warehoused, ready for sale.

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