12V23A battery

　　Organic 12V23A battery research and development has made significant progress

　　Qinghai University used darker plateau plants to extract plant pigments for research on improving battery efficiency. The optimized rose pigment-sensitized battery's monochromatic light photoelectric conversion efficiency increased by 16.1%, and its electronic life increased by 16.3%. , the battery electronic collection rate increased by 51%. Recently, an expert group evaluated the results as advanced, practical, environmentally friendly, and economical, and the research level has reached the international advanced level.

　　In recent years, Qinghai Province has attached great importance to and actively cultivated the solar energy industry, taking it as a new focus to develop the economy, improve people's livelihood, and protect the ecology. The "Qinghai Province Solar Energy Industry Development and Promotion Application Plan" states that by 2015, the solar energy industry will gradually become the fifth pillar industry in Qinghai Province after the four pillar industries of electricity, oil and natural gas, salt lake chemicals, and non-ferrous metals. . The provincial science and technology department has strengthened independent innovation and factor aggregation, organized and implemented a series of national and provincial science and technology projects starting from development strategies, feasibility studies, and key technology research, and built a leading domestic solar industry development support system. The research and development project of high-efficiency organic 12V23A batterys is one of such projects established by the Provincial Department of Science and Technology in 2011.

　　Due to the complex manufacturing process and high production cost of traditional silicon 12V23A batterys, their large-scale promotion and application are limited; organic solar materials and battery preparation technology are expected to become one of the options for low-cost manufacturing. In order to obtain practical organic 12V23A batterys as soon as possible, researchers at Qinghai University have conducted research on the low-cost synthesis of natural sensitizers from plateau-specific plants and the nano-network thin film structure of efficient charge transfer and collection. In view of the geographical characteristics of the Qinghai-Tibet Plateau, which are high in altitude and long in ultraviolet irradiation, the project team selected darker plateau plants and extracted plant pigments from them for use in batteries. By testing its photoelectric properties, it was found that the dye sensitizer containing anthocyanins has better sensitization performance. By studying roses containing a large amount of anthocyanins, the optimized rose pigment-sensitized cell's monochromatic light-to-photoelectric conversion efficiency increased by 16.1%, and the corresponding monomer open circuit voltage reached 615mV. In view of the shortcomings of low charge collection and transfer rates in batteries, the impact of different conditions on the growth mechanism of nanomaterials was studied, and a network structure and nanorods of zinc oxide dendritic nanowires with high charge collection and transfer rates were prepared. array, the electron lifetime is increased by 16.3% and the electron diffusion distance is reduced by 34.4%. Finally, the project team used the materials developed above to assemble large-area organic 12V23A batterys with parallel and series structures. After testing, the electron collection rate of the battery in the series structure increased by 51%.

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