Cited by 292Advancements in Battery MaterialsAdvanced Battery Technologies ResearchAdvanced Battery Materials and Technologies

Designing Low Impedance Interface Films Simultaneously on Anode and Cathode for High Energy Batteries

Liao, Bo, Li, Hongying, Xu, Mengqing, Xing, Lidan, Liao, Youhao, Ren, Xiubin, Fan, Weizhen, Yu, Le +2 more·2018·Advanced Energy Materials

Abstract

High energy batteries urgently required to power electric vehicles are restricted by a number of challenges, one of which is the sluggish kinetics of cell reactions under low temperatures. A novel approach is reported to improve the low temperature performance of high energy batteries through rational construction of low impedance anode and cathode interface films. Such films are simultaneously formed on both electrodes via the reduction and oxidation of a salt, lithium difluorobis(oxalato) phosphate. The formation mechanisms of these interface films and their contributions to the improved low temperature performances of high energy batteries are demonstrated using various physical and electrochemical techniques on a graphite/LiNi 0.5 Co 0.2 Mn 0.3 O 2 battery using 1 m LiPF 6 ‐ethylene carbonate/ethyl methyl carbonate (1/2, in weight) baseline electrolyte. It is found that the interface impedances, especially the one on the anode, constitute the main obstacle to capacity delivery of high energy batteries at low temperatures, while the salt containing fluorine and oxalate substructures used as additives can effectively suppress them.

Integrity signals

Registry

Crossref · 10.1002/aenm.201800802

Cites

0 citation errors · 0 not checkable

Statistics

Recomputing p-values needs the paper’s full text.

Claims the paper makes

This paper’s full text isn’t openly available, so its claims and self-check weren’t run. The registry and citation checks still apply.

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • LiDFBOP is electrochemically reduced prior to carbonate solvents.

    “According to the electron affinity calculation and experimental results, LiDFBOP is electrochemically reduced prior to carbonate solvents 19a.”
  • Capacity retention after 200 cycles at 0 °C and C/5 increased from 57% to 94% after adding LiDFBOP.

    “The capacity retention after 200 cycles was increased from 57% to 94% at 0 °C and C/5 rate after adding LiDFBOP (Fig. 19c).”
  • Discharge capacity retention at -30 °C was 14% for baseline electrolyte and 49% for cell with 1% LiDFBOP additive.

    “The discharge capacity retention at -30 °C for the baseline electrolyte was quite low at only 14%, in strong contrast with the capacity retention of 49% at -30 °C from the cell with 1% LiDFBOP additive.”
  • LiDFBOP additive decreased interface resistance of graphite anodes at 0 °C from 1935 to 820 Ω.

    “resulting in the decreased interface resistance (the sum of R sei and R ct ) of graphite anodes at 0 °C [from 1 935 to 820 Ω after adding 0.5% LiDFBOP in the baseline electrolyte (1 M LiPF 6 in PC:EMC, 1:1 in weight ratio)] (Fig. 19b).”
  • LiDFBOP additive improved charge/discharge performance at low temperatures by increasing ionic conductivity on both sides.

    “Therefore, with the increased ionic conductivity on both sides, the charge/discharge performance at LTs was significantly improved by introducing LiDFBOP additive.”

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Liao, B., Li, H., Xu, M., Xing, L., Liao, Y., Ren, X., Fan, W., Yu, L., Xu, K., & Li, W.
Affiliations
  • South China Normal University (CN)
  • Guangzhou Tinci Material Technology Co., Ltd Guangzhou 510760 China
  • DEVCOM Army Research Laboratory (US)
Corresponding author
  • Xu, Kang
  • Li, Weishan
Venue
Advanced Energy Materials
Publisher
Wiley
Published
2018-05-29
Volume
8
Issue
22
ISSN
  • 1614-6832 (ISSN-L)
  • 1614-6840
OpenAlex
W2806069969
Cited by
292
References
0
Citations by year
2026: 13 · 2025: 27 · 2024: 43 · 2023: 47 · 2022: 44 · 2021: 34 · 2020: 46 · 2019: 34 · 2018: 4
FWCI
11.27
Type
journal article
Language
en
Open access
closed
Locations
Advanced Energy Materials (publishedVersion)
Funders
  • National Natural Science Foundation of China (21573081)
  • Natural Science Foundation of Guangdong Province (2017B030306013)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advancements in Battery Materials
  • Physical Sciences › Engineering › Automotive Engineering › Advanced Battery Technologies Research
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Battery Materials and Technologies
Keywords
low impedance, low-temperature performance, high energy density batteries, electrolyte additives, anode interface, cathode interface, interface impedance, LiPF6 electrolyte, electric vehicles

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review