Jiajun Wan

ORCID: 0009-0006-3153-7830
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About
Contact & Profiles
Research Areas
  • Advancements in Battery Materials
  • Advanced Battery Materials and Technologies
  • Extraction and Separation Processes
  • Thermal Expansion and Ionic Conductivity
  • Advanced battery technologies research
  • Advanced Battery Technologies Research

Innovation Team (China)
2024-2025

Qingdao University of Science and Technology
2024-2025

Abstract Aqueous Zn‐ion batteries (AZIBs) recently have attracted broad attention. To achieve high energy density of AZIBs, constructing high‐loading cathodes is the prerequisite. However, cycling stability still faces great challenges. Herein, a comprehensive strategy proposed to improve structural cathode material and mechanical cathode. The BiOBr@BiOIO 3 heterostructure are successfully constructed via sharing interfacial oxygen atoms, in which effect can effectively enhance reaction...

10.1002/smll.202411627 article EN Small 2025-02-27

Abstract Cu anodes exhibit a higher theoretical specific capacity (843 mAh g −1 or 7558 cm −3 ) than Zn (820 5855 ), and have garnered widespread attention. However, aqueous Cu‐ion batteries suffer from severe dendrite growth, limited cycle life, poor high‐temperature performance. To the best of our knowledge, this is first time that deep eutectic solvent (DES) electrolyte proposed to address these issues. Fourier transform infrared spectroscopy molecular dynamics simulations confirm DES...

10.1002/chem.202500147 article EN Chemistry - A European Journal 2025-03-30

Abstract The cycling performance of high‐loading Li−S batteries is still puzzled by the serious shuttle effect polysulfides. Modifying commercial separator with polysulfide anchoring materials has been demonstrated as an economical and effective approach to block shuttle. Herein, a cobweb‐like polymer polysulfide‐blocking layer constructed via crosslinking between lithium polysilicate (LP) inorganic oligomer tannic acid (TA) dendritic polymer. Owing strongly polar Si−O Si=O bonds in LP,...

10.1002/batt.202400558 article EN Batteries & Supercaps 2024-10-30
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