Influence analysis of static and dynamic fast-charging current profiles on ageing performance of commercial lithium-ion batteries

被引：134

作者：

Abdel-Monem, Mohamed ^{[1
,2
,4
]}

Trad, Khiem ^{[4
]}

Omar, Noshin ^{[1
,2
]}

Hegazy, Omar ^{[1
,2
,3
]}

Van den Bossche, Peter ^{[1
,2
]}

Van Mierlo, Joeri ^{[1
,2
]}

机构：

[1] VUB, ETEC Dept, Pl Laan 2, B-1050 Brussels, Belgium

[2] VUB, MOBI Res Grp, Pl Laan 2, B-1050 Brussels, Belgium

[3] Helwan Univ, Fac Engn, Cairo, Egypt

[4] VITO, Unit Energy Technol, Boeretang 200, B-2400 Mot, Belgium

来源：

ENERGY | 2017年 / 120卷

关键词：

Lithium-ion batteries; Static and dynamic fast charging; Electrochemical impedance analysis; Incremental capacity analysis; Charging techniques; ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY; POLYMER BATTERIES; CAPACITY FADE; CYCLE LIFE; HIGH-POWER; STRATEGY; VEHICLES; CELLS; MODEL;

D O I：

10.1016/j.energy.2016.12.110

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The rate and shape of the charging current indubitably affect the charging time and the ageing rate of a battery. Depending on the application requirements, it is possible to use high-charging current in order to decrease the charging time. However, the influence of fast-charging current profiles should be investigated to identify their impact on battery functionality over time. In this article, static and dynamic fast-charging current profiles are applied to a high power 7 Ah LiFePO4-based cells (LFP), and the results of cycle-life and characterization tests are discussed. To select the proper fast-charging profile, the evaluation relies on some factors: discharge capacity retention, charging capacity, charging time, and cell temperature. After 1700 cycles, the results revealed that the dynamic fast-charging current profile has a prominent role in decreasing the degradation rate as well as the charging time of cells compared with the static fast-charging profile. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：179 / 191

页数：13

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