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Title: Rechargeable Aqueous Zn2+-Battery with High Power Density and Long Cycle-life

Abstract

Li-ion batteries (LIBs) are approaching their energy limits imposed by the intercalation chemistry nature. As alternatives, multivalent (MV) chemistries bring both promises and challenges, with the main obstacle being the sluggish diffusion of MV-cations due to their strong electrostatic interaction with host lattices. In this work, we demonstrated that polyanion based robust crystal architecture could enable the ultrafast and reversible Zn2+-intercalation and de-intercalation at a high working voltage. The nominal bivalence of Zn2+ was successfully delocalized by the multiple atoms through the p-d hybridization between the V-d and O-p orbitals, hence the inserted Zn2+ only bears an effective charge of 1.336, rendering its high mobility. The novel aqueous rechargeable 1.7 V Zn/LiV2(PO4)3 cell based on such mechanism delivers a high power density (8000 W/kg at 60 C) comparable to supercapacitors, a high energy density (218 Wh/Kg at 1 C) close to LIBs, with extraordinary long cycle life of 4000 cycles. All of these parameters far exceed any Zn battery reported so far. The cell-level volumetric and specific energy densities of the Zn/LiV2(PO4)3 cell are 320 Wh/L and 150 Wh/kg, respectively, which are even better than the first-generation LIBs. Furthermore, combining with the intrinsic safety of the aqueous chemistry and themore » wide working temperature range, this cell makes a strong candidate for automotive applications.« less

Authors:
 [1]; ORCiD logo [2];  [3];  [3];  [3];  [3];  [3];  [2];  [4];  [3]
  1. Univ. of Maryland, College Park, MD (United States); U.S. Army Research Lab., Adelphi, MD (United States)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. Univ. of Maryland, College Park, MD (United States)
  4. U.S. Army Research Lab., Adelphi, MD (United States)
Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V); USDOE Advanced Research Projects Agency - Energy (ARPA-E)
OSTI Identifier:
1476764
Alternate Identifier(s):
OSTI ID: 1477130
Report Number(s):
BNL-209154-2018-JAAM
Journal ID: ISSN 1754-5692
Grant/Contract Number:  
SC0012704; AR0000389
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Energy & Environmental Science
Additional Journal Information:
Journal Volume: 11; Journal Issue: 11; Journal ID: ISSN 1754-5692
Publisher:
Royal Society of Chemistry
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE

Citation Formats

Wang, Fei, Hu, Enyuan, Sun, Wei, Gao, Tao, Ji, Xiao, Fan, Xiulin, Han, Fudong, Yang, Xiao -Qing, Xu, Kang, and Wang, Chunsheng. Rechargeable Aqueous Zn2+-Battery with High Power Density and Long Cycle-life. United States: N. p., 2018. Web. doi:10.1039/C8EE01883A.
Wang, Fei, Hu, Enyuan, Sun, Wei, Gao, Tao, Ji, Xiao, Fan, Xiulin, Han, Fudong, Yang, Xiao -Qing, Xu, Kang, & Wang, Chunsheng. Rechargeable Aqueous Zn2+-Battery with High Power Density and Long Cycle-life. United States. https://doi.org/10.1039/C8EE01883A
Wang, Fei, Hu, Enyuan, Sun, Wei, Gao, Tao, Ji, Xiao, Fan, Xiulin, Han, Fudong, Yang, Xiao -Qing, Xu, Kang, and Wang, Chunsheng. 2018. "Rechargeable Aqueous Zn2+-Battery with High Power Density and Long Cycle-life". United States. https://doi.org/10.1039/C8EE01883A. https://www.osti.gov/servlets/purl/1476764.
@article{osti_1476764,
title = {Rechargeable Aqueous Zn2+-Battery with High Power Density and Long Cycle-life},
author = {Wang, Fei and Hu, Enyuan and Sun, Wei and Gao, Tao and Ji, Xiao and Fan, Xiulin and Han, Fudong and Yang, Xiao -Qing and Xu, Kang and Wang, Chunsheng},
abstractNote = {Li-ion batteries (LIBs) are approaching their energy limits imposed by the intercalation chemistry nature. As alternatives, multivalent (MV) chemistries bring both promises and challenges, with the main obstacle being the sluggish diffusion of MV-cations due to their strong electrostatic interaction with host lattices. In this work, we demonstrated that polyanion based robust crystal architecture could enable the ultrafast and reversible Zn2+-intercalation and de-intercalation at a high working voltage. The nominal bivalence of Zn2+ was successfully delocalized by the multiple atoms through the p-d hybridization between the V-d and O-p orbitals, hence the inserted Zn2+ only bears an effective charge of 1.336, rendering its high mobility. The novel aqueous rechargeable 1.7 V Zn/LiV2(PO4)3 cell based on such mechanism delivers a high power density (8000 W/kg at 60 C) comparable to supercapacitors, a high energy density (218 Wh/Kg at 1 C) close to LIBs, with extraordinary long cycle life of 4000 cycles. All of these parameters far exceed any Zn battery reported so far. The cell-level volumetric and specific energy densities of the Zn/LiV2(PO4)3 cell are 320 Wh/L and 150 Wh/kg, respectively, which are even better than the first-generation LIBs. Furthermore, combining with the intrinsic safety of the aqueous chemistry and the wide working temperature range, this cell makes a strong candidate for automotive applications.},
doi = {10.1039/C8EE01883A},
url = {https://www.osti.gov/biblio/1476764}, journal = {Energy & Environmental Science},
issn = {1754-5692},
number = 11,
volume = 11,
place = {United States},
year = {Wed Oct 03 00:00:00 EDT 2018},
month = {Wed Oct 03 00:00:00 EDT 2018}
}

Journal Article:
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Cited by: 236 works
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Figures / Tables:

Figure 1 Figure 1: Structure of LiV2(PO4)3 and its electrochemical behavior. (a) The XRD pattern and its Rietveld refinement results of the LiV2(PO4)3@C prepared through the electrochemical delithiation process. (b) The partial density of states (DOS) for LiV2(PO4)3. (c) The typical voltage profile of Zn/LiV2(PO4)3 cell between 0.2 V and 1.9 Vmore » in the 4 m Zn(OTf)2 electrolyte at ambient temperature at 2 C rate (1 C: 150mA/g, electrode areal mass loading: 10 mg/cm2). (d) The XANES spectra collected at the Zn K-edge of the Zn metal, Zn(OTf)2 salt and the LiV2(PO4)3 electrode discharged to 0.2 V. (e) The schematic illustration of change in charge distribution after Zn2+-insertion into the LiV2(PO4)3 framework (Blue: charge decrease; Yellow: charge increase). (f) The cycling performance and the corresponding coulombic efficiency at a high rate of 10 C (inset the low rate of 2 C).« less

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Works referencing / citing this record:

ZnCl 2 “Water‐in‐Salt” Electrolyte Transforms the Performance of Vanadium Oxide as a Zn Battery Cathode
journal, May 2019


Recent Advances and Prospects of Cathode Materials for Rechargeable Aqueous Zinc‐Ion Batteries
journal, July 2019


A Room‐Temperature Molten Hydrate Electrolyte for Rechargeable Zinc–Air Batteries
journal, April 2019


An Ultrastable Presodiated Titanium Disulfide Anode for Aqueous “Rocking‐Chair” Zinc Ion Battery
journal, June 2019


A Flexible Solid‐State Aqueous Zinc Hybrid Battery with Flat and High‐Voltage Discharge Plateau
journal, October 2019


Inhibiting VOPO 4x  H 2 O Decomposition and Dissolution in Rechargeable Aqueous Zinc Batteries to Promote Voltage and Capacity Stabilities
journal, November 2019


Expanded hydrated vanadate for high-performance aqueous zinc-ion batteries
journal, January 2019


A high energy efficiency and long life aqueous Zn–I 2 battery
journal, January 2020


Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.