Abstract
Purpose The purpose of this study is to analyze the technology convergence and its characteristics, focusing on the rechargeable battery in South Korea. Methods By utilizing domestic patents on rechargeable battery from 1999~2017, Social Network Analysis(SNA) has been applied to co-occurrence networks of International Patent Classification (IPC) codes. In addition to the network analysis, a cognitive map approach has been applied to better understand the characteristics of technology convergence in rechargeable battery area. Results As a result, this study shows that, during the period, convergence of technologies has been strengthened with a few central technologies. In addition, the cognitive map shows network cohesion has been particularity strengthened in chemistry and electricity areas. The characteristics of convergence has also changed as the time progressed. Conclusion This study showed the changes and characteristics of technology networks of convergence R&D in rechargeable battery. The results of this study are expected to be used as a guideline for predicting research trends in rechargeable battery.
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