eprintid: 10195171
rev_number: 10
eprint_status: archive
userid: 699
dir: disk0/10/19/51/71
datestamp: 2024-07-30 10:15:20
lastmod: 2024-07-30 10:15:20
status_changed: 2024-07-30 10:15:20
type: article
metadata_visibility: show
sword_depositor: 699
creators_name: Yang, Zimin
creators_name: Sun, Yilun
creators_name: Li, Jianwei
creators_name: He, Guanjie
creators_name: Chai, Guoliang
title: Noncovalent Interactions-Driven Self-Assembly of
Polyanionic Additive for Long Anti-Calendar Aging and
High-Rate Zinc Metal Batteries
ispublished: inpress
divisions: UCL
divisions: B04
divisions: C06
divisions: F56
keywords: aqueous Zn‐ion batteries, calendar aging, electrolyte additive, ion transfer, self‐assemble
note: © The Author(s), 2024. This is an Open Access article distributed under the terms of the Creative Commons Attribution Licence (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. https://creativecommons.org/licenses/by/4.0/
abstract: Zinc anodes of zinc metal batteries suffer from unsatisfactory plating/striping reversibility due to interfacial parasitic reactions and poor Zn2+ mass transfer kinetics. Herein, methoxy polyethylene glycol-phosphate (mPEG-P) is introduced as an electrolyte additive to achieve long anti-calendar aging and high-rate capabilities. The polyanionic of mPEG-P self-assembles via noncovalent-interactions on electrode surface to form polyether-based cation channels and in situ organic–inorganic hybrid solid electrolyte interface layer, which ensure rapid Zn2+ mass transfer and suppresses interfacial parasitic reactions, realizing outstanding cycling/calendar aging stability. As a result, the Zn//Zn symmetric cells with mPEG-P present long lifespans over 9000 and 2500 cycles at ultrahigh current densities of 120 and 200 mA cm−2, respectively. Besides, the coulombic efficiency (CE) of the Zn//Cu cell with mPEG-P additive (88.21%) is much higher than that of the cell (36.4%) at the initial cycle after the 15-day calendar aging treatment, presenting excellent anti-static corrosion performance. Furthermore, after 20-day aging, the Zn//MnO2 cell exhibits a superior capacity retention of 89% compared with that of the cell without mPEG-P (28%) after 150 cycles. This study provides a promising avenue for boosting the development of high efficiency and durable metallic zinc based stationary energy storage system.
date: 2024-06-27
date_type: published
publisher: Wiley
official_url: https://doi.org/10.1002/advs.202404513
oa_status: green
full_text_type: pub
language: eng
primo: open
primo_central: open_green
verified: verified_manual
elements_id: 2292607
doi: 10.1002/advs.202404513
medium: Print-Electronic
lyricists_name: He, Guanjie
lyricists_id: GJHEX85
actors_name: He, Guanjie
actors_id: GJHEX85
actors_role: owner
funding_acknowledgements: 2018YFA0704502 [National Key Research and Development Program of China]; U22A20436 [National Natural Science Foundation of China]; 2022L3090 [Special Program for Guiding Local Science and Technology Development by the Central Government]
full_text_status: public
publication: Advanced Science
article_number: 2404513
event_location: Germany
issn: 2198-3844
citation:        Yang, Zimin;    Sun, Yilun;    Li, Jianwei;    He, Guanjie;    Chai, Guoliang;      (2024)    Noncovalent Interactions-Driven Self-Assembly of Polyanionic Additive for Long Anti-Calendar Aging and High-Rate Zinc Metal Batteries.                   Advanced Science      , Article 2404513.  10.1002/advs.202404513 <https://doi.org/10.1002/advs.202404513>.    (In press).    Green open access   
 
document_url: https://discovery.ucl.ac.uk/id/eprint/10195171/1/He_Advanced%20Science%20-%202024%20-%20Yang%20-%20Noncovalent%20Interactions%E2%80%90Driven%20Self%E2%80%90Assembly%20of%20Polyanionic%20Additive%20for%20Long.pdf