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生物化学燃料电池(英文)

关键词:新能源,燃料电池,微生物
简介:During the 20th century, energy consumption increased dramatically and an unbalanced energy management exists. While there is no sign that this growth in demand will abate (particularly amongst the developing nations), there is now an awareness of the transience of nonrenewable resources and the irreversible damage caused to the environment. In addition, there is a trend towards the miniaturization and portability of computing and communications devices. These energy-demanding applications require small, light power sources that are able to sustain operation over long periods of time, particularly in remote locations such as space and exploration. Furthermore, advances in the medical sciences are leading to an increasing number of implantable electrically operated devices (e.g., pacemakers). These items need power supplies that will operate for extremely long durations as maintenance would necessitate surgery.Ideally, implanted devices would take advantage of the natural fuel substances found in the body, and thus would continue to draw power for as long as the subject lives. Biofuel cells potentially offer solutions to all these problems, by taking nature’s solutions to energy generation and tailoring them to our own needs. They take readily available substrates from renewable sources and convert them into benign by-products with the generation of electricity. Since they use concentrated sources of chemical energy, they can be small and light, and the fuel can even be taken from a living organism

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