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Product Advantages
Product Capacity Plan
Solar Module R&D Roadmap
High-performance module development
The conversion efficiency of the solar cell will directly influence its power generation; it is also the important factor which influences the cost of the solar cell. Currently, the conversion efficiency of the conventional mono-crystalline solar cell is about 18%-21%, and that of the multi-crystalline solar cell is about 17%-18.5%. We not only adopt the solar cell with high conversion efficiency, but also introduce the high-reflection back plate and the high-penetration EVA material in order to reduce the loss and improve the conversion efficiency of the module. 
Soldering technology and material application
The major material of the solar cell is still the crystalline, and the silicon chip is the most important raw material for manufacturing the solar cell. The thickness of the silicon chip will influence the usage amount of the crystalline silicon. The trend of chip thinning directly reduces the usage amount of the chip, which can not only reduce the cost, but also can decrease the pressure that the silicon material suppliers cannot provide sufficient silicon material; however, which also will increase the difficulty of the manufacturing process of the module. Thus, we should enhance the soldering technique and improve the characteristics of the material, and then adjust the manufacturing process accordingly; we also evaluate the feasibility of the Pb-free soldering strip in response to the requirements of the future market.
Extend service life of products
The solar power generation system is to absorb the solar light and then convert which into the electricity energy. As the system should be installed outside the house, it should be able to work normally under poor weather. Currently, the foreign famous companies require the service life of the solar module should be about 20-25 years. In the future, we will develop new assembly material and technique, and introduce the automation equipment to improve the quality and the reliability of the product; for example, we will develop the packaging material with higher durability or adopt different module structure, etc. 
Enhance the power generation efficiency of the module
If the total energy input of the solar light is 100%, 8% of the total energy will be lost due to reflection and diffusion, where the highest loss is the thermal loss, which is up to 76%. Therefore, when we design the module, we should find a correct way to reduce the above two losses in order to better the output performance of the module.
Solar Cell R&D Roadmap
TSEC R&D team has professional and experienced technicians of the solar power field and semiconductor field; besides, TSEC has independent R&D ability and cooperates with the domestic and international equipment and material providers to develop multiple advanced plans, such as new manufacturing process and new material; further, TSEC also cooperates with many national universities to execute industry-university cooperative research projects. Moreover, TSEC has already passed the “Leading new product development plan” of Industrial Development Bureau in 2013, Ministry of Economic Affairs and has close cooperation with Industrial Technology Research Institute. By means of the cooperation between the industrial field, official field and academic field, we believe that we will have real achievements in the future development plans and the development of new solar cell.
High-performance Mono-like solar energy cell development
The multi-crystalline silicon product will still be the major product in the future and has long lifetime in the market even if its conversion efficiency has reached the maximum, 18.0% due to the lattice problem of the multi-crystalline silicon wafer. Mono-like crystalline silicon product is improved from the multi-crystalline silicon product, which has high efficiency, low cost and can solve the light decay phenomenon. So as to develop the key technology of high-efficiency mono-line crystalline silicon solar cell plate, we focus on developing several technologies, including the selective emitter structure manufacturing, resistance improvement/improving the electricity and the material formulations, diffusion manufacturing process optimization/increasing light absorption effect and etching manufacturing process optimization/reduce reflection. The leading plan has been finished on December, 2013, and we successfully develop a high-efficiency mono-like crystalline silicon solar cell with more than 19.8% average conversion efficiency.
N-type solar cell development
The N-type wafer has higher minority carrier lifetime than the P-type wafer, and has higher durability against metal pollution; therefore, it has the inbuilt advantage to develop solar cell. Most N-type solar cells can use the currently available PERC technology of TSEC, which has high compatibility to the current manufacturing process and can save a lot of development cost. Currently, there are two super high-efficiency N-type solar cell technologies, including “Interdigitated Back Contact Solar Cells” (IBC) and “Heterojunction with Intrinsic Thin-Layer Solar Cells” (HIT). Both of them can achieve more than 24% conversion efficiency. Accordingly, TSEC is trying hard to develop the next-generation super high-efficiency N-type solar cell in order to provide the solar cell products with higher efficiency and economic value.