The launch of the 'sugar battery' will result in a durability 10 times that of lithium batteries
2024-07-30
Tencent Digital News (compiled by Zhang Xiumei) Recently, a research team from Virginia Tech University in the United States has developed a new "sugar battery". This new battery uses sugar as its energy source to provide electricity, with an energy density exceeding past levels, and can be reused without worrying about explosion or combustion. After use, it can be biodegraded. Continuing to develop is expected to replace traditional batteries as a low-cost and rechargeable environmentally friendly battery.
The inventor of the sugar battery was Percival, an associate professor of biosystems engineering in the School of Agriculture and Life Sciences and the School of Engineering at the university. He stated that although there are other sugar batteries available now, their energy density is an order of magnitude higher than before, and they run longer before charging. This new type of 'sugar battery' has twice the energy density of lithium batteries and four times that of alkaline batteries. It is believed that after improvement in the future, it can be more durable than lithium batteries by more than 10 times. In addition, 'sugar' raw materials are easy to obtain and inexpensive. It is expected that in three years, this sugar battery will be able to power mobile phones, tablets, video games, and a large number of other electronic devices.
This sugar battery utilizes a series of enzymes that combine together in a way that is not found in nature. Researchers have constructed a non natural synthetic enzyme pathway that can extract all the potential energy from sugar and generate electricity in a small enzyme fuel cell. Traditional batteries typically use expensive platinum as a catalyst, while they use low-cost biocatalytic enzymes. Through an enzyme flow injection, we can slowly and step by step release all the charges in the sugar solution, "Percival said. Like all other fuel cells, sugar batteries are also a type of combined fuel. The researchers used maltodextrin and air to generate electricity and water. Maltodextrin is a polysaccharide formed by partial hydrolysis of starch, with water being the main byproduct.
Researchers used maltodextrin and air to generate electricity and water. Maltodextrin is a polysaccharide formed by partial hydrolysis of starch, with water being the main byproduct. Unlike hydrogen fuel cells and direct methanol fuel cells, sugar solution fuel does not explode or burn, and the enzymes and fuels used to manufacture this type of battery can also be biodegraded. In addition, sugar batteries can be recharged, and adding sugar to them is like filling ink cartridges in a printer.
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