Phase diagram of water–methane by first-principles thermodynamics: discovery of MH-IV and MH-V hydrates

Author:

Cao Xiaoxiao1234,Huang Yingying56784,Jiang Xue56784ORCID,Su Yan56784,Zhao Jijun56784ORCID

Affiliation:

1. College of Physics and Electronic Engineering

2. Jiangsu Second Normal University

3. Nanjing 210013

4. China

5. Key Laboratory of Materials Modification by Laser

6. Ion and Electron Beams (Dalian University of Technology)

7. Ministry of Education

8. Dalian 116024

Abstract

We disclose a new dense methane hydrate phases (MH-IV) using the Monte-Carlo packing algorithm and density-functional theory (DFT) optimization, which is superior to previous reported filled ices to apply to energy storage.

Funder

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

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