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Study on an environmental-friendly and high-efficient fuel cell energy conversion system.

Li-Jun Yu1, Guang-Yi Cao, Xin-Jian Zhu

  • 1School of Power and Energy Engineering, Shanghai Jiaotong University, Shanghai 200240, China. ljyu@mail.sjtu.edu.cn

Journal of Environmental Sciences (China)
|February 27, 2003
PubMed
Summary

China primarily uses coal gasification, with 80% of its coal employed this way. Fuel cell power plants offer an efficient, eco-friendly alternative, achieving 55% net electrical efficiency in a combined cycle system.

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Area of Science:

  • Energy Science
  • Environmental Engineering
  • Materials Science

Background:

  • China's coal resources and distribution are analyzed.
  • Coal gasification accounts for 80% of coal utilization in China.
  • Current energy generation methods face efficiency and environmental challenges.

Purpose of the Study:

  • To investigate the potential of fuel cell power plants in China.
  • To analyze the feasibility of integrating fuel cells into existing energy systems.
  • To propose an efficient and environmentally friendly power generation model.

Main Methods:

  • Analysis of coal types and distribution in China.
  • Evaluation of fuel cell power plant technology for Chinese conditions.
  • Design of a combined cycle generation system incorporating fuel cells.

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Main Results:

  • Coal gasification is the predominant method for coal utilization in China.
  • A designed combined cycle system achieves a net electrical efficiency of approximately 55% (LHV).
  • This efficiency surpasses that of conventional fire power plants.

Conclusions:

  • Fuel cell power plants represent a viable and promising energy generation technology for China.
  • The combined cycle system offers a high-efficiency, environmentally friendly power generation solution.
  • Further development and utilization of fuel cell technology are recommended for China's energy sector.