- Baxter, Andrew (x)
- Cobb, Emilie (x)
- Xu, Jun (x)
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Search results
- Title
- Analytical modeling framework for performance degradation of PEM fuel cells during startup-shutdown cycles
- Author
- Xu, Jun, Yin, Sha, Li, Yunqi, Chen, Xiran
- Date Created
- 2020
- Subjects--Topical
- Mechanical engineering, Fuel cells
- Description
- Startup-shutdown cycling is one of the main factors that contribute to fuel cell deterioration related to high cathode potential. In this study, a coupled model with the carbon corrosion model and agglomerate model of the cathode catalyst layer is...
- Title
- Bioinspired golden spiral shapes on crushing protection behaviors of tubular structures
- Author
- Xu, Jun, Sherman, John, Zhang, Wen, Waheed, Hamza
- Date Created
- 2023
- Subjects--Topical
- Materials, Engineering design
- Description
- Advanced structure design for energy absorption is a long-lasting pursuit due to its fascinating scientific merit in mechanics and important engineering application. Curves, a type of mathematical variation in geometry, are widely adopted in the b...
- Title
- Comprehensive battery safety risk evaluation : aged cells versus fresh cells upon mechanical abusive triggering
- Author
- Xu, Jun, Ma, Lin, Gao, Xiang, Jia, Yikai
- Date Created
- 2023
- Subjects--Topical
- Materials, Lithium ion batteries
- Description
- Despite their wide applications, lithium-ion batteries (LIBs) have been struggling with their safety risks arising from different lifetime stages. Here, the NCMA pouch cell is taken as an example, and the safety of both fresh and aged cells from t...
- Title
- Dynamic behaviour of core-shell structured Si nanoparticles during lithiation/delithiation cycling at dynamic loadings
- Author
- Xu, Jun, Gao, Xiang, Yuan, Chunhao
- Date Created
- 2018
- Subjects--Topical
- Materials--Dynamic testing, Mechanical engineering
- Description
- Dynamic behaviours of the core-shell structured (CSS) Si nanoparticles during electrochemical cycling were modelled. A core-shell-structured model that contained Si nanoparticles wrapped with amorphous carbon (a-C) was established. The system was ...
- Title
- Exploring high-energy and mechanically robust anode materials based on doped graphene for lithium-ion batteries: a first-principles study
- Author
- Xu, Jun, Chang, Cheng, Yin, Sha
- Date Created
- 2020
- Subjects--Topical
- Lithium ion batteries, Mechanical engineering
- Description
- In this study, the adsorption of Li atoms on various types of doped graphene with substituents, including boron, nitrogen, sulfur and silicon atoms, has been theoretically investigated by first-principles calculations, based on the density functio...
- Title
- Micelle-assisted strategy for the direct synthesis of large-sized mesoporous platinum catalysts by vapor infiltration of a reducing agent
- Author
- Xu, Jun, Li, Yunqi, Liu, Yuwei, Yamauchi, Yusuke
- Date Created
- 2018
- Subjects--Topical
- Metals, Mechanical engineering
- Description
- Stable polymeric micelles have been demonstrated to serve as suitable templates for creating mesoporous metals. Herein, we report the utilization of a core-shell-corona type triblock copolymer of poly(styrene-b-2-vinylpyridine-b-ethylene oxide) an...
- Title
- Tough nature-inspired helicoidal composites with printing-induced voids
- Author
- Xu, Jun, Yin, Sha, Chen, Haoyu, Yang, Ruiheng
- Date Created
- 2020
- Subjects--Topical
- Three-dimensional modeling, Three-dimensional printing
- Description
- Exoskeletons of Odontodactylus japonicas, the smasher-type mantis shrimp, feature a raptorial appendage comprising a Bouligand architecture of chitin nanofibrils with newly observed voids or defects between the polysaccharide alpha-chitin and prot...
- Title
- Understanding of stress‐driven internal short circuit mechanisms in lithium‐ion batteries with high SOCs
- Author
- Xu, Jun, Li, Jiani, Gao, Xiang, Duan, Xudong
- Date Created
- 2023
- Subjects--Topical
- Lithium ion batteries, Lithium cells
- Description
- The characteristics of internal short circuits (ISC) play a critical role in determining the thermal runaway behaviors and associated hazards of lithium-ion batteries (LIBs). However, due to safety concerns and limitations in operando characteriza...