Fudan University researches and develops solar fiber battery clothes into personal photovoltaic power station

The latest edition of the international journal of applied chemistry, Applied Chemistry, published a research report by Prof. Peng Huisheng, Professor of Advanced Materials Laboratory and Department of Polymer Science, Fudan University. They successfully developed a new type of energy device - oriented carbon nanotube fibers.

New solar cell batteries based on this technology will enable humans to realize the dream of using solar energy efficiently and anytime, anywhere. In the future, clothes that people wear on their bodies, hats on their heads, and bags in their hands can “self-generate” and can charge mobile phones that are “halted”. The current large-scale power station may be replaced by a table-sized machine in the future.

Peng Huisheng's team demonstrated to the reporter on the 11th by this new type of battery. It is as thin as a hair and only 60-100 microns in diameter. Peng Huisheng introduced that they can be woven into clothes, trousers and other textiles as ordinary chemical fibers, and become a large piece of solar cells that can be worn on the body and realize its own “power generation”.

This new type of solar fiber cell can store this energy while converting sunlight into electricity, without the need for external batteries or energy storage devices, even in the absence of sunlight, and for the greater need of photoelectricity at night. People can also use solar energy as they wish. However, existing solar cells cannot do it.

It is reported that carbon nanotube fibers have shown important application prospects in a wide range of fields such as body armor, aerospace, medical and sports equipment. It is lightweight, woven, and extremely inexpensive. The price of 100 meters is only a few yuan, making it possible to use it on a large scale.

The project was once rated by Nature as one of the "Top 10 Research Highlights in the Asia Pacific Region." "Applied Chemistry" was published as a cover article. The reviewers agreed that the Peng Huisheng project team uses a "very simple and low cost "Methods" have "achieved the simultaneous realization of photoelectric conversion and energy storage on a single fiber" for the first time worldwide, which has greatly improved the utilization efficiency of solar energy and "has taken a crucial step towards a full-fibre energy system."

Peng Huisheng also disclosed that the process of making carbon nanofibers into solar cells is basically non-polluting and has high efficiency. The production process is relatively simple and has a large number of stable production possibilities. At present, many companies in foreign countries have targeted this potentially huge new area of ​​profit. However, he said that scientists also have to solve a crucial issue, that is, how to arrange the positive and negative electrodes of fibers during weaving. China News Service Shanghai, December 11th, by reporter Zou Ruixin

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