[Objective]This paper proposes a patent-based technology entropy analysis method, aiming to effectively monitor the development of emerging issues from the patent data. [Methods] First, we built a multi-dimensional technology entropy model for the patent-based system. Second, we analyzed the carbon capture technology from the macro and micro perspectives. [Results] We found that the technology of carbon capture in China was at the crucial development stage. Most of the studies were conducted by universities, which focused on materials with absorption and adsorption abilities. [Limitations] The data collection method needed to be modified to remove the irrelevant ones. [Conclusions] Technology entropy method could effectively analyze the evolution trends of technologies. It provides a feasible tool for us to manage and evaluate the evolution and prediction of new technologies.
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