Ram Deivanayagam, Ph.D.
Battery Materials Researcher | Experimental Electrochemist

Publications

15. Deconvoluting the conductivity enhancement due to nanoparticle fillers in PVdF-based polymer electrolytes for Li-metal batteries.
       R. Deivanayagam and R. Shahbazian-Yassar.
       Journal of the Electrochemical Society  2021, 168, 020525. DOI: 10.1149/1945-7111/abe168

       Full-text available at U.S. National Science Foundation (NSF) Repository: https://par.nsf.gov/servlets/purl/10251966
 

14. Electrochemical methods and protocols for characterization of ceramic and polymer electrolytes for rechargeable batteries.

       R. Deivanayagam and R. Shahbazian-Yassar.

       Batteries & Supercaps  2021, 4, 596-606 . DOI: 10.1002/batt.202000221

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13. Direct Ink Writing of Polymer Composite Electrolytes with Enhanced Thermal Conductivities.

       M. Cheng, A. Ramasubramanian, M. G. Rasul, Y. Jiang, Y. Yuan, T. Foroozan, R. Deivanayagam, M. T. Saray, R. Rojaee, B. Song, V. R. Yurkiv,
       Y. Pan, F. Mashayek, and R. Shahbazian‐Yassar.

       Advanced Functional Materials  2020, 31, 4, 2006683. DOI: 10.1002/adfm.202006683

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12. Highly‐Cyclable Room‐Temperature Phosphorene Polymer Electrolyte Composites for Li Metal Batteries.

       R. Rojaee,  S. Cavallo, S. Mogurampelly, B. K. Wheatle, V. Yurkiv,  R. Deivanayagam, T. Foroozan, M. G. Rasul, S. Sharifi‐Asl, A. H. Phakatkar,

       M. Cheng, S. Son, Y. Pan, F. Mashayek, V. Ganesan, and R. Shahbazian‐Yassar. 

      Advanced Functional Materials  2020, 30, 32, 1910749. DOI: 10.1002/adfm.201910749

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11. Solution blowing synthesis of Li-conductive ceramic nanofibers.
      Z. Huang, A. Kolbasov, Y. Yuan, M. Cheng, Y. Xu, R. Rojaee, R. Deivanayagam, T. Foroozan, Y. Liu, K. Amine, J. Lu, A. L. Yarin,
      R. Shahbazian-Yassar. 

      ACS Applied Materials & Interfaces  2020, 12, 14, 16200-16208. DOI: 10.1021/acsami.9b19851

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10. 3D Printing of electrochemical energy storage devices: A review of printing techniques and electrode/electrolyte architectures.

      M. Cheng, R. Deivanayagam, and R. Shahbazian-Yassar.
      Batteries & Supercaps  2020, 3, 130-146. DOI: 10.1002/batt.201900130 

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9. Composite polymer electrolyte for highly cyclable room-temperature solid-state magnesium batteries.
    R. Deivanayagam, M. Cheng, M. Wang, V. Vasudevan, T. Foroozan, N. V. Medhekar, and R. Shahbazian-Yassar.
    ACS Applied Energy Materials  2019, 2, 7980-7990. DOI: 10.1021/acsaem.9b01455
    Full-text available at U.S. National Science Foundation (NSF) Repository: https://par.nsf.gov/biblio/10165600

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8. Progress in development of electrolytes for magnesium batteries.
    R. Deivanayagam, B. J. Ingram, and R. Shahbazian-Yassar.
    Energy Storage Materials  2019, 21, 136-153. DOI: 10.1016/j.ensm.2019.05.028
    Full-text available at U.S. Department of Energy (DOE) Public Access Gateway: https://www.osti.gov/pages/biblio/1572939

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7. Anti-oxygen leaking LiCoO2.
    S. Sharifi‐Asl, F. A. Soto, T. Foroozan, M. Asadi, Y. Yuan, R. Deivanayagam, R. Rojaee, B. Song, X. Bi, K. Amine, J. Lu, A. Salehi‐Khojin,
    P. B. Balbuena, and R. Shahbazian‐Yassar. 
   Advanced Functional Materials  2019, 29, 1901110. DOI: 10.1002/adfm.201901110
 

6. Metal–organic framework derived 3D graphene decorated NaTi2(PO4)3 for fast Na-ion storage.
     L. Wang, Z. Huang, B. Wang, H. Luo, M. Cheng, Y. Yuan, K. He, T. Foroozan, R. Deivanayagam, G. Liu, D. Wang, and R. Shahbazian-Yassar.
    Nanoscale  2019, 11, 7347-7357. DOI: 10.1039/C9NR00610A
 

5. Elevated-temperature 3D printing of hybrid solid-state electrolyte for Li-ion batteries.
     M. Cheng, Y. Jiang, W. Yao, Y. Yuan, R. Deivanayagam, T. Foroozan, Z. Huang, B. Song, R. Rojaee, T. Shokuhfar, Y. Pan, J. Lu, and
     R. Shahbazian-Yassar. 
     Advanced Materials  2018, 30, 1800615. DOI: 10.1002/adma.201800615
 

4. Cations controlled growth of β-MnO2 crystals with tunable facets for electrochemical energy storage.
     W. Yao, G. M. Odegard, Z. Huang, Y. Yuan, H. Asayesh-Ardakani, S. Sharifi-Asl, M. Cheng, B. Song, R. Deivanayagam, F. Long, C. R. Friedrich,
     K. Amine, J. Lu, and R. Shahbazian-Yassar. 
     Nano Energy  2018, 48, 301-311. DOI: 10.1016/j.nanoen.2018.03.057
 

3. Synergistic effect of graphene oxide for impeding the dendritic plating of Li.
     T. Foroozan, F. A. Soto, V. Yurkiv, S. Sharifi-Asl, R. Deivanayagam, Z. Huang, R. Rojaee, F. Mashayek, P. B. Balbuena, and R. Shahbazian-Yassar.           Advanced Functional Materials  2018, 28, 1705917. DOI: 10.1002/adfm.201705917
 

2. Layered P2-type Na0.5Ni0.25Mn0.75O2 as a high-performance cathode material for sodium-ion batteries.
     P. Manikandan, D. Ramasubramonian, and M. M. Shaijumon.
     Electrochimica Acta  2016, 206, 199-206. DOI: 10.1016/j.electacta.2016.04.138
 

1. 3-D interconnected networks of graphene and flower-like cobalt oxide microstructures with improved lithium storage.
    G. Binitha, A. G. Ashish, D. Ramasubramonian, P. Manikandan, and M. M. Shaijumon.
    Advanced Materials Interfaces  2016, 3, 1500419. DOI: 10.1002/admi.201500419

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Patents

1. Cathode active material for a sodium-ion battery and a process thereof.
   M. M. Shaijumon, P. Manikandan, and D. Ramasubramonian. 
   Indian Patent #422,753. [Granted 02/2023]
    

2. Composite polymer electrolyte for a long-life magnesium battery
   R. Shahbazian-Yassar and R. Deivanayagam.
   Provisional US Patent filed. [2018]

 

 

Conference Presentations

 

1. 2nd International Symposium on Magnesium Batteries 2018 (Ulm, Germany)
   Contributed Talk: "Highly Cyclable Mg Batteries using a Composite Polymer Electrolyte"
    

2. MRS Spring Meeting & Exhibit 2018 (Phoenix, AZ, United States)
   Oral Presentation: Symposium EN21: Next-generation solid-state superionic conductors
    

3. Gordon Research Conference (GRC): Batteries 2018 (Ventura, CA, United States)
   Research Poster: "Highly cyclable solid-state rechargeable magnesium batteries"
    

4. Gordon Research Seminar (GRS): Batteries 2018 (Ventura, CA, United States)
   Research Poster: "Highly cyclable solid-state rechargeable magnesium batteries"
    

5. National Conference on Materials Science & Technology 2015 (Indian Institute of Space Science & Technology, Thiruvananthapuram, India)
   Research Poster: "Flower-like cobalt oxide microstructures embedded in graphene hydrogel as an anode material for lithium-ion batteries."
   (Conferred with the Best Research Poster Award)
        

6. Indo-US Workshop on Engineered Nanocarbons for Electrochemical Energy Storage 2015 (CECRI, India)
   Oral Presentation:"Flower-like cobalt oxide microstructures embedded in graphene hydrogel as an anode material for lithium-ion batteries."