High-Rate and Cycling-Stable Nickel-Rich Cathode Materials with Enhanced Li+ Diffusion Pathway

Jun Tian; Yuefeng Su; Feng Wu; Shaoyu Xu; Fen Chen; Renjie Chen; Qing Li; Jinghui Li; Fengchun Sun; Shi Chen

doi:10.1021/acsami.5b09641

High-Rate and Cycling-Stable Nickel-Rich Cathode Materials with Enhanced Li⁺ Diffusion Pathway

Jun Tian
, Yuefeng Su^*
, Feng Wu
, Shaoyu Xu
, Fen Chen
, Renjie Chen
, Qing Li
, Jinghui Li
, Fengchun Sun
, Shi Chen

^*Corresponding author for this work

School of Material Science and Engineering

Beijing Institute of Technology
China North Vehicle Research Institute

Research output: Contribution to journal › Article › peer-review

125 Citations (Scopus)

Abstract

The nickel-rich LiNi_0.7Co_0.15Mn_0.15O₂ material was sintered by Li source with the Ni_0.7Co_0.15Mn_0.15(OH)₂ precursor, which was prepared via hydrothermal treatment after coprecipitation. The intensity ratio of I₍₁₁₀₎/I₍₁₀₈₎ obtained from X-ray diffraction patterns and high-resolution transmission electronmicroscopy confirm that the particles have enhanced growth of (110), (100), and (010) surface planes, which supply superior inherent Li⁺ deintercalation/intercalation. The electrochemical measurement shows that the LiNi_0.7Co_0.15Mn_0.15O₂ material has high cycling stability and rate capability, along with fast charge and discharge ability. Li⁺ diffusion coefficient at the oxidation peaks obtained by cyclic voltammogram measurement is as large as 10^-11 (cm² s^-1) orders of magnitude, implying that the nickel-rich material has high Li⁺ diffusion capability.

Original language	English
Pages (from-to)	582-587
Number of pages	6
Journal	ACS Applied Materials and Interfaces
Volume	8
Issue number	1
DOIs	https://doi.org/10.1021/acsami.5b09641
Publication status	Published - 13 Jan 2016

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

Li transportation
cycling stability
lithium-ion batteries
nickel-rich layered material
rate capability

Access to Document

10.1021/acsami.5b09641

Cite this

@article{afebac12331441cdb3909f5cc2edc8fa,

title = "High-Rate and Cycling-Stable Nickel-Rich Cathode Materials with Enhanced Li+ Diffusion Pathway",

abstract = "The nickel-rich LiNi0.7Co0.15Mn0.15O2 material was sintered by Li source with the Ni0.7Co0.15Mn0.15(OH)2 precursor, which was prepared via hydrothermal treatment after coprecipitation. The intensity ratio of I(110)/I(108) obtained from X-ray diffraction patterns and high-resolution transmission electronmicroscopy confirm that the particles have enhanced growth of (110), (100), and (010) surface planes, which supply superior inherent Li+ deintercalation/intercalation. The electrochemical measurement shows that the LiNi0.7Co0.15Mn0.15O2 material has high cycling stability and rate capability, along with fast charge and discharge ability. Li+ diffusion coefficient at the oxidation peaks obtained by cyclic voltammogram measurement is as large as 10-11 (cm2 s-1) orders of magnitude, implying that the nickel-rich material has high Li+ diffusion capability.",

keywords = "Li transportation, cycling stability, lithium-ion batteries, nickel-rich layered material, rate capability",

author = "Jun Tian and Yuefeng Su and Feng Wu and Shaoyu Xu and Fen Chen and Renjie Chen and Qing Li and Jinghui Li and Fengchun Sun and Shi Chen",

note = "Publisher Copyright: {\textcopyright} 2015 American Chemical Society.",

year = "2016",

month = jan,

day = "13",

doi = "10.1021/acsami.5b09641",

language = "English",

volume = "8",

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journal = "ACS Applied Materials and Interfaces",

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T1 - High-Rate and Cycling-Stable Nickel-Rich Cathode Materials with Enhanced Li+ Diffusion Pathway

AU - Tian, Jun

AU - Su, Yuefeng

AU - Wu, Feng

AU - Xu, Shaoyu

AU - Chen, Fen

AU - Chen, Renjie

AU - Li, Qing

AU - Li, Jinghui

AU - Sun, Fengchun

AU - Chen, Shi

PY - 2016/1/13

Y1 - 2016/1/13

N2 - The nickel-rich LiNi0.7Co0.15Mn0.15O2 material was sintered by Li source with the Ni0.7Co0.15Mn0.15(OH)2 precursor, which was prepared via hydrothermal treatment after coprecipitation. The intensity ratio of I(110)/I(108) obtained from X-ray diffraction patterns and high-resolution transmission electronmicroscopy confirm that the particles have enhanced growth of (110), (100), and (010) surface planes, which supply superior inherent Li+ deintercalation/intercalation. The electrochemical measurement shows that the LiNi0.7Co0.15Mn0.15O2 material has high cycling stability and rate capability, along with fast charge and discharge ability. Li+ diffusion coefficient at the oxidation peaks obtained by cyclic voltammogram measurement is as large as 10-11 (cm2 s-1) orders of magnitude, implying that the nickel-rich material has high Li+ diffusion capability.

AB - The nickel-rich LiNi0.7Co0.15Mn0.15O2 material was sintered by Li source with the Ni0.7Co0.15Mn0.15(OH)2 precursor, which was prepared via hydrothermal treatment after coprecipitation. The intensity ratio of I(110)/I(108) obtained from X-ray diffraction patterns and high-resolution transmission electronmicroscopy confirm that the particles have enhanced growth of (110), (100), and (010) surface planes, which supply superior inherent Li+ deintercalation/intercalation. The electrochemical measurement shows that the LiNi0.7Co0.15Mn0.15O2 material has high cycling stability and rate capability, along with fast charge and discharge ability. Li+ diffusion coefficient at the oxidation peaks obtained by cyclic voltammogram measurement is as large as 10-11 (cm2 s-1) orders of magnitude, implying that the nickel-rich material has high Li+ diffusion capability.

KW - Li transportation

KW - cycling stability

KW - lithium-ion batteries

KW - nickel-rich layered material

KW - rate capability

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U2 - 10.1021/acsami.5b09641

DO - 10.1021/acsami.5b09641

M3 - Article

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SN - 1944-8244

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EP - 587

JO - ACS Applied Materials and Interfaces

JF - ACS Applied Materials and Interfaces

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