Xiao-Guang Sun

Senior Scientist - Materials and Chemical Processes

Dr. Xiao-Guang Sun is a senior scientist in the Chemical Sciences Division at Oak Ridge National Laboratory (ORNL). He earned his PhD degree of Chemistry in 2001 from Arizona State University, Tempe. He has won two R&D 100 awards, authored and co-authored more than 100 journal publications with > 6,150 citations and an “h-index” of 45. He has 26 inventions including 20 issued U.S. patents. He also won the ORNL Battelle's Distinguished Inventors in 2020. His present research focuses on development of novel salts, organic, polymeric, and composite electrolytes, as well as additives for different energy storage devices such as Li-ion, Mg-ion and Al-ion batteries. He is also interested in utilization of electrochemical method for rare earth element separation.

 

Book Chapter

M. P. Paranthaman, H. Liu, X. G. Sun, S. Dai and G. M. Brown, Aluminum-ion batteries for medium- and large-scale energy storage, Advances in batteries for medium and large-scale energy storage, ed. C. Menictas, M. Skyllas-Kazacos and T. M. Lim, Woodhead Publishing Series in Energy: Number 67, pp. 463-474, 2015.

 

Meetings And Workshops

H. L. Lyu, J. L. Li, X. G. Sun, S. Dai, Titanium Niobium Oxide Anode-Based Lithium-Ion Batteries for 10 Minutes Fast-Charging Applications, PRiME meeting, Honolulu, HI, Oct. 4-9, 2020, Abstract # A03-0538.

H. L. Lyu, C. J. Jafta, I. Popovs, J. S. Huang, B. G. Sumpter, S. Dai, X.-G. Sun, Dicyanobenzoquinone functionalized Carbon Nanotubes as Cathode Materials for Rechargeable Lithium and Sodium Ion Batteries, 236th ECS meeting, Atlanta, GA, Oct. 13-17, 2019, Abstract # A06-0579.

C. J. Jafta, B. Thapaliya, H. Lyu, J. Xia, H. M. Meyer III, M. P. Paranthaman, X. G. Sun, C. A. Bridges, S. Dai, Fluorination of Mxene By Elemental F2 as Electrode for Lithium-Ion Batteries, 235th ECS Meeting, May 26-31, 2019, Abstract # A02-0248.

C. A. Bridges, C. J. Jafta, X. G. Sun, G. M. Veith, W. Heller, M. J. Cuneo, S. Mahurin,  M. P. Paranthaman, S. Dai, In-Operando Neutron Scattering Studies of Interfacial Electrolyte Chemistry, 235th ECS Meeting, May 26-31, 2019, Abstract # A01-020.

H. L. Lyu, J. L. Shih, J. P. Melchior, V.D. P. N. Nziko, I. Popovs, R. Custelcean, X. G. Sun, V. Bryantsev, S. Jansone-popova,Ultra-Stable Imidazolium-Based Anion Exchange Membranes for Alkaline Fuel Cell Applications, 235th ECS Meeting, May 26-31, 2019, Abstract # I02-1568.

H. Lyu, Y. Li, C. J. Jafta, C. A. Bridges, H. M. Meyer III, A. Borisevich, M. P. Paranthaman, S. Dai, X. G. Sun, New Electrolyte Additives for High Voltage Lithium Ion Batteries, 235th ECS Meeting, May 26-31, 2019, Abstract # A02-0264.

H. L. Lyu, J. R. Liu, S. Mahurin, S. Dai, Z. H. Guo, X. G. Sun, Aromatic Polyimide Based Composites for Ultrafast and Sustainable Lithium Ion Batteries, The 233rd ECS Meeting, Seattle, WA, May 13-17, 2018, Abstract # A03-0516.

C. A. Bridges, X. G. Sun, C. J. Jafta, W. Heller, L. He, S. B. Guo, M. P. Paranthaman, S. Dai, Interfacial Chemistry and Bulk Microstructure from in-Situ Small-Angle Scattering, 232nd ECS Meeting, National Harbor, MD, Oct. 1-5, 2017, Abstract # A02-0132.

X. G. Sun, Z. Zhang, H. Guan, C. A. Bridges, Y. Fang, Y. Hu, G. M. Veith, S. Dai, A Sodium-Aluminum Hybrid Battery, 232nd ECS Meeting, National Harbor, MD, Oct. 1-5, 2017, Abstract # A05-0564.

Y. C. Li, G. M. Veith, K. L. Browning, J. Chen, D. Hensley, M. P. Paranthaman, S. Dai, X. G. Sun, Lithium Malonatoborate Additives Enabled Long Cycling Stability of 5V Lithium Metal and Lithium ion Batteries, 232nd ECS Meeting, National Harbor, MD, Oct. 1-5, 2017, Abstract # A04-0270.

X. G. Sun, Y. Li, S. Wan, G. M. Veith, R. R. Unocic, M. P. Paranthaman, S. Dai, A Novel Electrolyte Salt Additive for high Voltage Lithium Ion Batteries, 231st ECS Meeting, New Orleans, LA, May 13-17, 2018, Abstract # A03-0239.

C. A. Bridges, X. G. Sun, L. He, S. Dai, In Situ Small-Angle Neutron Scattering of mesoporous Electrode materials, PRiME Meeting, Honolulu, HI, Oct. 6-7, 2016, Abstract # A02-0190.

X. G. Sun, C. Bridges, M. P. Paranthaman, S. Dai, G. Brown, A high Performance Hybrid battery Based on Aluminum Anode and LiFePO4 Cathode, PRiME Meeting, Honolulu, HI, Oct. 6-7, 2016, Abstract # A05-0778.

X. G. Sun, Y. X. Fang, K. Yoshii, S. Dai, Polymer gel membranes for aluminum deposition and rechargeable aluminum ion batteries, 228th ECS Meeting, Phoenix, AZ, Oct. 11-15, 2015, Abs. #A03-213.

X. G. Sun, S. Wan, G. M. Veith, R. R. Unocic, B. Guo, X. Jiang, S. Dai, Salt Effect on SEI Formation in Graphite and LiNi0.5Mn1.5O4 based half cells, 228th ECS Meeting, Phoenix, AZ, Oct. 11-15, 2015, Abs. #A05-371.

B. Guo, P. Fulvio, X. G. Sun, S. Dai, “Brick-and-Mortar” Self-Assembly Synthesis of Electrode Architectures, 225th ECS Meeting, Orlando, FL., May 11-15, Abs. 173.

G. M. Veith, L. Baggetto, B. K. Guo, X. G. Sun, S. Dai, N. Dudney, Understanding and Predicting Heteroatom Dopants for Carbon Anodes Advanced Lithium Ion Batterie, 224th ECS Meeting, San Francisco, CA, Oct. 27-Nov. 2, 2013, Abs. 522.

C. A. Bridges, X. G. Sun, J. K. Zhao, M. P. Paranthaman, S. Dai, In Situ Small-Angle Neutron Scattering Studies of Electrodes for Lithium-Ion Batteries Advanced Characterization, 222nd ECS Meeting, Honolulu, HI, Oct. 9-14, 2012, Abs. #A02-308 Oct. 7-12, 2012, Abs. #640.

H. S. Liu, X. G. Sun, M. P. Paranthman, G. Brown, A New Class of Hybrid Aluminum-Lithium-Ion Batteries, 220th ECS Meeting, Boston, MA, Oct. 9-14, 2011, Abs. #A02-308.

Imidazolium Based Ionic Liquids for Lithium Ion Battery Applications. Substitution of C-2 Proton with Electron Perturbing Groups, 220th ECS Meeting, Boston, MA, Oct. 9-14, 2011, Abs. #A02-1395.

X. G. Sun, L. Chen, N. Shao, D. E. Jiang, S. Dai, Sulfones with Functional-Groups for Lithium-Ion Battery Applications, 220th ECS Meeting, Boston, MA, Oct. 9-14, 2011, Abs. #A02-1438.

X. G. Sun S. Dai, Study of the Effect of Organic Lithium Salts on the Irreversible Capacity Loss of Natural Graphite Electrode, 217th ECS Meeting, April 25 - April 30, 2010, Vancouver, Canada, Abs. # 191.

X. Sun, D. Gervasio and C. Angell, High Temperature Fuel Cells Based On Polyvinylpyridinium Dihydrogen Phosphate, The 215th ECS Meeting, San Francisco, May 24-29, 2009, Abs. #1070.

X. G. Sun, C. A. Angell, Ether Sulfones with Additives as Electrolytes for Applications in Rechargeable Lithium Ion Batteries, The 213rd Meeting, Pheonix, AZ, May 18-22, 2008, Abs. #162.

X. G. Sun, D. Gervasio, C. A. Angell, High Temperature Fuel Cells using Ionic Polysiloxane Membranes, With and Without Ionic Plasticizers, The 213rd ECS Meeting, Pheonix, AZ, May 18-22, 2008, Abs. #442.

J.-P. Belieres, N. Byrne, X. G. Sun, D. Gervasio, J. Yarger and C. A. Angell, Binary inorganic salt mixtures as high conductivity liquid electrolytes for high temperature fuel cells, The 211st ECS Meeting, Chicago, IL, May 6-10, 2007, Abs. #321.

X. G. Sun, J. P. Belieres, D. Gervasio, C. A. Angell, Development of materials having high ionic conductivities for high temperature fuel cell applications, The 208th ECS Meeting, Los Angeles, CA, Oct. 16-21, 2005, Abs. #928.

X. G. Sun, J. B. Kerr, G. Liu, C. L. Reeder, New polymeric proton conductors for water-free and high temperature fuel cells, The 206th ECS Meeting, Honolulu, Hawaii, Oct. 3-8, 2004, Abs. #2024.

X. G. Sun, J. B. Kerr, C. L. Reeder, Y. B. Han, G. Liu, Ionic Conductivity, electrochemical and viscoelastic properties of network single ion conductors based on polyepoxide ethers and lithium buis(allylmalonato)borate, The 206th ECS Meeting, Honolulu, Hawaii, Oct. 3-8, 2004, Abs. #2018.

X. G. Sun, C. L. Reeder, J. B. Kerr, D. D. DesMarteau, S. Creager, O. Geiculescu, R. Rama,  Synthesis and Characterization of comb shape single ion conductors based on polyepoxide ethers and perfluorinated lithium salts, The 206th ECS Meeting, Honolulu, Hawaii, Oct. 3-8, 2004, Abs. #2017.

X. G. Sun, J. B. Kerr, Salt effect on ionic conductivity and electrochemical properties of polymer electrolytes, The 206th ECS Meeting, Honolulu, Hawaii, Oct. 3-8, 2004, Abs. #348.

X. G. Sun, J. B. Kerr, G. Liu, C. L. Reeder, Y. B. Han, Ionic Conductivity, electrochemical and viscoelastic properties of network single ion conductors based on polyepoxide ethers and lithium buis(allylmalonato)borate, The 228th ACS Meeting, Philadelphia, PA, Aug. 22-26, 2004. Abs. # POLY-033.

X. G. Sun, C. L. Reeder, J. B. Kerr, D. D. DesMarteau, Synthesis and Characterization of comb shape single ion conductors based on polyepoxide ethers and perfluorinated lithium salts, The 228th ACS Meeting, Philadelphia, PA, Aug. 22-26, 2004. Abs. # POLY-185.

G. Liu, J. B. Kerr, C. L. Reeder, X. G. Sun, New polymeric proton conductors for water-free and high temperature fuel cells, The 228th ACS Meeting, Philadelphia, PA, Aug. 22-26, 2004. Abs. # FUEL-056.

X. G. Sun, G. Liu, J. B. Kerr, Synthesis and Characterization of Comb-Shaped Single Ion Conductors Containing Alkyl Sulfonate, The 204th ECS Meeting, Orlando, Florida, Oct. 12-17, 2003. Abs. #309.

X. G. Sun, C. Reeder, G. Liu, J. B. Kerr, Y. B. Han, J. B. Xie, S, E. Wang, Anion Effect On Ionic Conductivity And Electrochemical Performance of New Single Ion Conductors Based On Comb-Branched Trimethylene Oxide Containing Polyepoxide, The 204th ECS Meeting, Orlando, Florida, Oct. 12-17, 2003. Abs. #283.

J. B. Xie, G. Liu, X. G. Sun, C. Reeder, Y.  B. Han, J. B. Kerr, Rheological and electrochemical Studies of in-situ Crosslinked Comb-branched polymer electrolytes, The 204th ECS Meeting, Orlando, Florida, Oct. 12-17, 2003. Abs. #287.

X. G. Sun, C. A. Angell, Sulfones with Oligoether Components as Liquid Electrolytes for Secondary Lithium Batteries, The 14th Int. Meeting on Solid State Ionics, Monterey, California, June22-27, 2003. Abs. # IIP06.

X. G. Sun, C. A. Angell, Sulfones with Cyclo Alkyl Groups as Liquid Electrolytes for Secondary Lithium Batteries, The 14th Int. Meeting on Solid State Ionics, Monterey, California, June22-27, 2003. Abs. # IIOTH14.

X. G. Sun, C. A. Angell, New Single Ion Conductors ("polyBOP" and analogs) for Rechargeable Lithium Batteries, The 14th Int. Meeting on Solid State Ionics, Monterey, California, June22-27, 2003. Abs. # IXP14.

X. G. Sun, G. Liu, J. B. Xie, Y. B. Han, J. B. Kerr, New Gel Polyelectrolytes for Rechargeable Lithium Batteries, The 14th Int. Meeting on Solid State Ionics, Monterey, California, June22-27, 2003. Abs. # IXOTH02.

W. Xu, X. G. Sun, C. A. Angell, Anion-trapping electrolytes based on Acid-in-chain  borate polymers, 8th Int. Symp. Polymer Electrolytes, Sante Fe, New Mexico, May 19-24, 2002. Abs. # 150.

J. B. Kerr, S, E. Wang, G. Liu, J. Hou, S. Sloop, Y. B. Han, X. G. Sun, Single-Ion Conductors for lithium-Polymer Batteries, 8th International Symposium on Polymer Electrolytes, Sante Fe, New Mexico, May 19-24, 2002. Abs. # 45.

X. G. Sun, C. A. Angell, Chain and Network Polymers with Anion Traps and High Alkali ion Conductivity, The 198th ECS Meeting, Phoenix, Arizona, Oct. 22-27, 2000. Abs. #158.

Awards

2020 ORNL’s Battelle Distinguished Inventors
2014 R&D 100 Award for developing portable aluminum deposition system (PADS)
2014 Significant Achievement Award, Chemical Sciences Division, ORNL
2012 R&D 100 Award for developing HiCap. Adsorbents
2012 Significant Achievement Award, Chemical Sciences Division, ORNL
2011 Significant Achievement Award, Chemical Sciences Division, ORNL
2007 Discovering Excellence Award Arizona Technology Enterprises and Arizona State University

Patents

X. G. Sun, S. Dai, H. L. Lyu, Electron Conductive Polymer Composite and their use as Electrode, U.S. Pat. Appl. Publ. (2020), US 20200176762 A1 20200604, filed on Dec. 3, 2018.
S. Dai, X. G. Sun, C. L. Hussey, L. H, Chou, Aluminum deposition devices and their use in spot electroplating of aluminum, U.S. Pat. Appl. Publ. (2016), US 20160108534 A1 20160421.
G. M. Brown, M. P. Paranthaman, S. Dai, N. J. Dudney, A. Manthiram, T. J. McIntyre, X. G. Sun, H. S. Liu, High energy density aluminum battery with improved ionic liquid electrolyte for intercalation and deintercalation, U.S. Pat. Appl. Publ. (2012), US 20120082905 A1 20120405.
G. M. Brown, M. P. Paranthaman, S. Dai, N. J. Dudney, A. Manthiram, T. J. McIntyre, X. G. Sun, H. S. Liu, A high energy density aluminum battery, PCT Int. Appl. (2012), WO 2012044678 A2 20120405.
C. A. Angell, X. G. Sun, Non-aqueous electrolyte solution for rechargeable lithium batteries, PCT Int. Appl. (2009), WO 2009042958 A1 20090402.
S. Dai, X. G. Sun, B. Guo, X. Wang, R. T. Mayes, T. Ben, S. L. Qiu, Nitrogen-sulfur-carbon nanocomposites and their application as cathode materials in lithium-sulfur batteries, PCT Int. Appl. (2014), WO 2014081793 A1 20140530.
S. Dai, X. G. Sun, X. Wang, R. T. Mayes, Nitrogen-sulfur-carbon nanocomposites and their application as cathode materials in lithium-sulfur batteries, U.S. Pat. No 11,251,433.
X. G. Sun, S. Dai, S. Wan, Stable fluorinated alkylated lithium malonatoborate salts for lithium –ion battery applications, U.S. Pat. 11,005,127.
S. Dai, J. S. Zhang, X. G. Sun, Nanoconfined electrolytes and their use in batteries, U.S. Pat. 10,811,724.
S. Dai, X. G. Sun, Aluminum trihalide-neutral ligand ionic liquids and their use in aluminum deposition, U.S. Pat. 10,781,525.
S. Dai, S. M. Mahurin, J. S. Zhang, X. G. Sun, H. M. Luo, Porous thermal Insulating Compositions Containing Hollow Spherical Nanospheres, U.S. Pat. No. 10,738,202.
S. Dai, X. G. Sun, Aluminum trihalide-neutral ligand ionic liquids and their use in aluminum deposition, U.S. Pat. 10,208,391.
S. Dai, X. G. Sun, B. Guo, X. Wang, R. T. Mayes, T. Ben, S. L. Qiu, Nitrogen-sulfur-carbon nanocomposites and their application as cathode materials in lithium-sulfur batteries, U.S. Pat. No 10,044,039.
M. P. Paranthaman, C. A. Bridges, S. Yoon, X. G. Sun, S. Dai, Preparation of coating composition for electrode compositions, U.S. Pat. 10,020,493.
S. Dai, J. S. Zhang, X. G. Sun, Nanoconfined electrolytes and their use in batteries, U.S. Pat. 10,008,738.
G. M. Brown, M. P. Paranthaman, S. Dai, X. G. Sun, H. S. Liu, High energy density aluminum battery, U.S. Pat. No. 9,997,802.
S. Dai, X. G. Sun, C. Liao, B. Guo, Alkoxide-based magnesium electrolyte compositions for magnesium batteries, U.S. Pat. No. 9,882,245.
S. Dai, B. Guo, X. G. Sun, Z. Qiao, Nanoporous titanium niobium oxide and titanium tantalum oxide compositions and their use in anodes of lithium ion batteries, U.S. Pat. 9,806,338.
M. P. Paranthaman, H. S. Liu, G. M. Brown, X. G. Sun, Z. H. Bi, Mesoporous metal oxide microsphere electrode compositions and their methods of making, US Pat. No 9,515.318.
Brown, G. M., M. P. Paranthaman, S. Dai, N. J. Dudney, A. Manthiram, T. J. Mclntyre, X. G. Sun, A high energy density aluminum battery, U.S. Pat. No 9,466853.
S. Dai, X. G. Sun, B. Guo, X. Wang, R. T. Mayes, T. Ben, S. L. Qiu, Nitrogen-sulfur-carbon nanocomposites and their application as cathode materials in lithium-sulfur batteries, U.S. Pat. No 9,455,439.
X. G. Sun, S. Dai, C. Liao, Electrolyte compositions for lithium ion batteries, U.S. Pat. No. 9,300,009.
S. Dai, P. F. Fulvio, R. T. Mayes, X. Wang, X. G. Sun, B. Guo, Mesoporous carbon materials, US Pat. No 8,828,533.
C. A. Angell, Xiao-Guang Sun, Electric current-producing device having sulfone-based electrolyte. U.S. Pat. No 7,833,666.
C. A. Angell, X. G. Sun, J. P. Belieres, D. F. Gervasio, Neutral Protic-Salt Electrolytes and Protic-Salt Imbibed Polymer Membranes for High Temperature Fuel Cell Applications, U.S. Pat. No. 7,833,643.
C. A. Angell, W. Xu, and X. G. Sun, Solid Polymeric Electrolytes for Lithium Batteries, US Pat. No 7,012,124.