Huadian Technology ›› 2021, Vol. 43 ›› Issue (11): 5-14.doi: 10.3969/j.issn.1674-1951.2021.11.002

• Survey on Special Topics • Previous Articles     Next Articles

Background and routs of carbon neutrality and its nature-derived thermal solutions

LI Yang1(), WANG Heyang1(), WANG Yongzhen2(), ZHAO Jun1,*()   

  1. 1. Key Laboratory of Efficient Utilization of Low and Medium Grade Energy(Tianjin University), MOE, Tianjin 300350,China
    2. School of Mechanical Engineering, Beijing Institute of Technology,Beijing 100081,China
  • Received:2021-09-08 Revised:2021-10-12 Online:2021-11-25 Published:2021-11-16
  • Contact: ZHAO Jun E-mail:liyangtju@tju.edu.cn;wang@tju.edu.cn;wyz80hou@bit.edu.cn;zhaojun@tju.edu.cn

Abstract:

Human activities have been the key inducement of global climate change, especially global warming, since industrialization. This has become the consensus of the scientific community in the world. Low-carbon energy, carbon emission reduction, carbon cycle and carbon storage are the four main technical routs for carbon peaking and carbon neutrality. In order to measure the contribution of different technologies to carbon neutrality accurately, 76 specific carbon reduction technologies given by the international organization Project Drawdown are analysed. The results show that carbon emission reduction related technologies will play the most important role; change of human behaviour will exert a greater impact than technological progress; the contributions of nature-derived technologies and thermal energy related technologies on carbon emission reduction potential are 45.9% and 35.5%, respectively. Then, based on the important role of nature in carbon cycle and abundant reserves of natural thermal energy resources in China, the concept of "nature-derived thermal solutions for carbon neutrality" is proposed, and its advantages are analysed by using underground heat storage as an example.

Key words: carbon peaking and carbon neutrality, low-carbon energy, carbon emission reduction, carbon cycle, carbon storage, nature-derived thermal energy, underground heat storage, Carnot battery

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