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

Journal Article · · Energy & Environmental Science
DOI:https://doi.org/10.1039/C8EE01883A· OSTI ID:1476764
 [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)

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.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V); USDOE Advanced Research Projects Agency - Energy (ARPA-E)
Grant/Contract Number:
SC0012704; AR0000389
OSTI ID:
1476764
Alternate ID(s):
OSTI ID: 1477130
Report Number(s):
BNL-209154-2018-JAAM
Journal Information:
Energy & Environmental Science, Vol. 11, Issue 11; ISSN 1754-5692
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 236 works
Citation information provided by
Web of Science

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Cited By (15)

ZnCl 2 “Water‐in‐Salt” Electrolyte Transforms the Performance of Vanadium Oxide as a Zn Battery Cathode journal May 2019
Toward High‐Performance Hybrid Zn‐Based Batteries via Deeply Understanding Their Mechanism and Using Electrolyte Additive journal June 2019
Electronic Structure Regulation of Layered Vanadium Oxide via Interlayer Doping Strategy toward Superior High‐Rate and Low‐Temperature Zinc‐Ion Batteries journal November 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
Mn 2 O 3 /Al 2 O 3 cathode material derived from a metal–organic framework with enhanced cycling performance for aqueous zinc-ion batteries journal January 2020
Expanded hydrated vanadate for high-performance aqueous zinc-ion batteries journal January 2019
Issues and opportunities facing aqueous zinc-ion batteries journal January 2019
Rod-like anhydrous V 2 O 5 assembled by tiny nanosheets as a high-performance cathode material for aqueous zinc-ion batteries journal January 2019
Anchoring V 2 O 5 nanosheets on hierarchical titanium nitride nanowire arrays to form core–shell heterostructures as a superior cathode for high-performance wearable aqueous rechargeable zinc-ion batteries journal January 2019
A high energy efficiency and long life aqueous Zn–I 2 battery journal January 2020
Inhibiting VOPO 4x  H 2 O Decomposition and Dissolution in Rechargeable Aqueous Zinc Batteries to Promote Voltage and Capacity Stabilities journal September 2019

Figures / Tables (4)


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