Potassium-Based Dual Ion Battery with Dual-Graphite Electrode.

A potassium ion battery has potential applications for large scale electric energy storage systems due to the abundance and low cost of potassium resources. Dual graphite batteries, with graphite as both anode and cathode, eliminate the use of transition metal compounds and greatly lower the overall cost. Herein, combining the merits of the potassium ion battery and dual graphite battery, a potassium-based dual ion battery with dual-graphite electrode is developed. It delivers a reversible capacity of 62 mA h g-1 and medium discharge voltage of ≈3.96 V. The intercalation/deintercalation mechanism of K+ and PF6- into/from graphite is proposed and discussed in detail, with various characterizations to support.

[1]  Yuesheng Wang,et al.  P2-Na0.6[Cr0.6Ti0.4]O2 cation-disordered electrode for high-rate symmetric rechargeable sodium-ion batteries , 2015, Nature Communications.

[2]  M. Winter,et al.  X-ray diffraction studies of the electrochemical intercalation of bis(trifluoromethanesulfonyl)imide anions into graphite for dual-ion cells , 2013 .

[3]  Y. Lai,et al.  Dispersion-corrected DFT investigation on defect chemistry and potassium migration in potassium-graphite intercalation compounds for potassium ion batteries anode materials , 2016 .

[4]  Jun Chen,et al.  High K-storage performance based on the synergy of dipotassium terephthalate and ether-based electrolytes , 2017 .

[5]  P. Bruce,et al.  Structurally stable Mg-doped P2-Na2/3Mn1−yMgyO2 sodium-ion battery cathodes with high rate performance: insights from electrochemical, NMR and diffraction studies , 2016 .

[6]  John B Goodenough,et al.  Evolution of strategies for modern rechargeable batteries. , 2013, Accounts of chemical research.

[7]  W. Luo,et al.  Na-Ion Battery Anodes: Materials and Electrochemistry. , 2016, Accounts of chemical research.

[8]  Yang Xu,et al.  Potassium Prussian Blue Nanoparticles: A Low‐Cost Cathode Material for Potassium‐Ion Batteries , 2017 .

[9]  J. Dahn,et al.  Electrochemical Intercalation of PF 6 into Graphite , 2000 .

[10]  Zhixin Chen,et al.  Phosphorus-Based Alloy Materials for Advanced Potassium-Ion Battery Anode. , 2017, Journal of the American Chemical Society.

[11]  Kang Xu,et al.  Dual-graphite chemistry enabled by a high voltage electrolyte , 2014 .

[12]  Bingan Lu,et al.  Core–Shell Ge@Graphene@TiO2 Nanofibers as a High‐Capacity and Cycle‐Stable Anode for Lithium and Sodium Ion Battery , 2016 .

[13]  S. Feng,et al.  (EMIm)+(PF6)− Ionic Liquid Unlocks Optimum Energy/Power Density for Architecture of Nanocarbon‐Based Dual‐Ion Battery , 2016 .

[14]  J. Long,et al.  A Dual-Ion Battery Cathode via Oxidative Insertion of Anions in a Metal-Organic Framework. , 2015, Journal of the American Chemical Society.

[15]  H. Groult,et al.  Opposite influences of K+ versus Na+ ions as electrolyte additives on graphite electrode performance , 2005 .

[16]  Guangyuan Zheng,et al.  A phosphorene-graphene hybrid material as a high-capacity anode for sodium-ion batteries. , 2015, Nature nanotechnology.

[17]  Yong‐Sheng Hu,et al.  A Novel High Capacity Positive Electrode Material with Tunnel‐Type Structure for Aqueous Sodium‐Ion Batteries , 2015 .

[18]  Zongping Shao,et al.  Research progress of perovskite materials in photocatalysis- and photovoltaics-related energy conversion and environmental treatment. , 2015, Chemical Society reviews.

[19]  Bing-Joe Hwang,et al.  An ultrafast rechargeable aluminium-ion battery , 2015, Nature.

[20]  Yi Cui,et al.  Designing high-energy lithium-sulfur batteries. , 2016, Chemical Society reviews.

[21]  Martin Winter,et al.  Reversible Intercalation of Bis(trifluoromethanesulfonyl)imide Anions from an Ionic Liquid Electrolyte into Graphite for High Performance Dual-Ion Cells , 2012 .

[22]  Xiulei Ji,et al.  Carbon Electrodes for K-Ion Batteries. , 2015, Journal of the American Chemical Society.

[23]  Bingan Lu,et al.  Soft Carbon as Anode for High‐Performance Sodium‐Based Dual Ion Full Battery , 2017 .

[24]  Bingan Lu,et al.  Reactive Oxygen-Doped 3D Interdigital Carbonaceous Materials for Li and Na Ion Batteries. , 2016, Small.

[25]  J. Dahn,et al.  Energy and Capacity Projections for Practical Dual‐Graphite Cells , 2000 .

[26]  H. Dai,et al.  3D Graphitic Foams Derived from Chloroaluminate Anion Intercalation for Ultrafast Aluminum‐Ion Battery , 2016, Advanced materials.

[27]  Bingan Lu,et al.  Covalent sulfur for advanced room temperature sodium-sulfur batteries , 2016 .

[28]  A. Rao,et al.  An Iodine Quantum Dots Based Rechargeable Sodium–Iodine Battery , 2017 .

[29]  Xu Xu,et al.  Hierarchical zigzag Na1.25V3O8 nanowires with topotactically encoded superior performance for sodium-ion battery cathodes , 2015 .

[30]  Maohua Sheng,et al.  A Novel Tin‐Graphite Dual‐Ion Battery Based on Sodium‐Ion Electrolyte with High Energy Density , 2017 .

[31]  Steven D. Lacey,et al.  Organic electrode for non-aqueous potassium-ion batteries , 2015 .

[32]  Keith Share,et al.  Role of Nitrogen-Doped Graphene for Improved High-Capacity Potassium Ion Battery Anodes. , 2016, ACS nano.

[33]  M. Winter,et al.  Dual-graphite cells based on the reversible intercalation of bis(trifluoromethanesulfonyl)imide anions from an ionic liquid electrolyte , 2014 .

[34]  Bingan Lu,et al.  Graphene Nanoribbons on Highly Porous 3D Graphene for High‐Capacity and Ultrastable Al‐Ion Batteries , 2017, Advanced materials.

[35]  Zelang Jian,et al.  A Hydrocarbon Cathode for Dual-Ion Batteries , 2016 .

[36]  Meng Huang,et al.  Earth Abundant Fe/Mn-Based Layered Oxide Interconnected Nanowires for Advanced K-Ion Full Batteries. , 2017, Nano letters.

[37]  G. Ceder,et al.  High‐Performance P2‐Type Na2/3(Mn1/2Fe1/4Co1/4)O2 Cathode Material with Superior Rate Capability for Na‐Ion Batteries , 2015 .

[38]  D. Zhao,et al.  Uniform yolk-shell iron sulfide–carbon nanospheres for superior sodium–iron sulfide batteries , 2015, Nature Communications.

[39]  Fan Zhang,et al.  A Dual‐Ion Battery Constructed with Aluminum Foil Anode and Mesocarbon Microbead Cathode via an Alloying/Intercalation Process in an Ionic Liquid Electrolyte , 2016 .