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lei shi

Tongji University

1239 Siping Road

Shanghai, 200092

China

SCHOLARLY PAPERS

11

DOWNLOADS

315

TOTAL CITATIONS

0

Scholarly Papers (11)

1.
Downloads 42 (1,157,785)

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two-dimensional multiphase model, reduce-pressure purge, COMSOL, temperature, water redistribution

2.
Downloads 35 (1,263,436)

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shutdown purge, water removal, assembly force, porosity

A Comprehensive Investigation of Anode Operating Characteristic and Performance Heterogeneity of Commercial-Size Fuel Cell Stacks

Number of pages: 39 Posted: 04 Apr 2025
Tongji University, Tongji University, Tongji University, Tongji University, University of Shanghai for Science and Technology, Tongji University, Tongji University, Tongji University and Tongji University
Downloads 18 (1,537,408)

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hydrogen concentration, performance heterogeneity, circulation mode, matching control

A Comprehensive Investigation of Anode Operating Characteristic and Performance Heterogeneity of Commercial-Size Fuel Cell Stacks

Number of pages: 40 Posted: 24 Apr 2025
Tongji University, Tongji University, Tongji University, Tongji University, University of Shanghai for Science and Technology, Tongji University, Tongji University, Tongji University, Tongji University and Tongji University
Downloads 16 (1,548,841)

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hydrogen concentration, performance heterogeneity, circulation mode, matching control

4.

The Causes and Optimization Strategies of “Barrel Effect” In the Start-Up Stage of Fuel Cell Systems Based on Multi-Scale, Multi-Phase Fusion Methods

Number of pages: 40 Posted: 11 Jan 2024
Fuzhou Vocational and Technical College, affiliation not provided to SSRN, Fuzhou Vocational and Technical College, Tongji University, affiliation not provided to SSRN, Tongji University and Tongji University
Downloads 34 (1,277,121)

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Equivalent analysis model, multi-scale multi-phase fusion, flooding problem, optimum flow rate condition point, flow field size optimization

Comprehensive Analysis of Shutdown Purge Influencing Factors Based on Water Heat Transfer and Water Vapor Phase Change Mechanism

Number of pages: 31 Posted: 29 Aug 2023
Tongji University, Tongji University, Tongji University and Shandong Jianzhu University
Downloads 19 (1,513,226)

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Shutdown purge, temperature, pressure, humidity, flow rate

Comprehensive Analysis of Shutdown Purge Influencing Factors Based on Water Heat Transfer and Water Vapor Phase Change Mechanism

Number of pages: 31 Posted: 03 Jul 2023
lei shi, sichuan xu and Minggang Zheng
Tongji University, Tongji University and Shandong Jianzhu University
Downloads 13 (1,579,999)

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shutdown purge, water heat transfer mechanism, water vapor phase change mec

6.

Optimization of Fuel Cell Shutdown Purge Strategy Based on Machine Learning: Mechanism Analysis and Experimental Verification

Number of pages: 32 Posted: 02 Dec 2024
Tongji University, Tongji University, Tongji University, Tongji University, Tongji University, affiliation not provided to SSRN, affiliation not provided to SSRN, Tongji University, Tongji University and Tongji University
Downloads 31 (1,304,549)

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Shutdown purge, Machine Learning, purge gas parameters, NSGA-II, purge experiment

7.

Mechanism Analysis and Application for the Temperature Difference-Assisted Purge Strategy on Shutdown Purge for Pemfc

Number of pages: 26 Posted: 06 Sep 2023
Tongji University, Tongji University, Tongji University and Shandong Jianzhu University
Downloads 30 (1,318,317)

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Two-dimensional multi-phase model, temperature difference-assisted purge strategy, COMSOL, heat transfer mechanism

8.

Experimental Study on the Performance of the Fuel Cell with Different Operating Conditions and Anode Cycle Pattern Matching

Number of pages: 40 Posted: 19 Mar 2025
Tongji University, Tongji University, Tongji University, Tongji University, University of Shanghai for Science and Technology, Tongji University, Tongji University, Tongji University and Tongji University
Downloads 22 (1,424,331)

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hydrogen concentration, ejector, HRB, recycling mode, matching control

9.

Mechanism Analysis And Application For the Temperature Difference-Assisted Purge Strategy On Shutdown Purge for Pemfc

Number of pages: 21 Posted: 16 Jun 2023
lei shi, sichuan xu and Minggang Zheng
Tongji University, Tongji University and Shandong Jianzhu University
Downloads 20 (1,448,301)

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Multi-phase, temperature difference-assisted, shutdown purge strategy, water and heat transfer mechanism

10.

The Causes and Optimization Strategies of “Barrel Effect” in the Start-Up Stage of Fuel Cell Systems Based on Multi-Scale, Multi-Phase Fusion Methods

Number of pages: 40 Posted: 06 Feb 2024
Fuzhou Vocational and Technical College, affiliation not provided to SSRN, Fuzhou Vocational and Technical College, Tongji University, affiliation not provided to SSRN, Tongji University and Tongji University
Downloads 18 (1,470,786)

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Equivalent analysis model, multi-scale multi-phase fusion, flooding problem, optimum flow rate condition point, flow field size optimization

Critical hydrogen concentration governing voltage non-uniformity in high-power PEMFC stacks: Mechanistic insights under hydrogen dilution

Number of pages: 31 Posted: 04 Jun 2026
Tongji University, Tongji University, Tongji University, Tongji University, Tongji University, Tongji University, Tongji University, Tongji University, affiliation not provided to SSRN and Tongji University
Downloads 9

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PEMFC, Hydrogen concentration, Operating conditions, Consistency, degradation

Critical hydrogen concentration governing voltage non-uniformity in high-power PEMFC stacks: Mechanistic insights under hydrogen dilution

Number of pages: 43 Posted: 10 Mar 2026
Tongji University, Tongji University, Tongji University, Tongji University, Tongji University, Tongji University, Tongji University, Tongji University, affiliation not provided to SSRN and Tongji University
Downloads 8 (1,628,763)

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PEMFC, Hydrogen concentration, Operating conditions, Consistency, Degradation