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Batteries, Volume 7, Issue 2

June 2021 - 21 articles

Cover Story: This study presents a method for deriving the distribution of the relaxation times (DRT) of lithium-ion batteries by evaluating the relaxation voltage after a current pulse. The method was experimentally validated by using both electrochemical impedance spectroscopy (EIS) and the proposed pulse evaluation to determine the DRT of automotive pouch-cells. DRT by pulse evaluation provided improved resolution of processes with large time constants, allowing identification of low-frequency impedance changes and correlated degradation mechanisms. The novel approach to battery diagnosis requires only relaxation periods and no additional equipment for EIS and is therefore applicable in battery management systems. View this paper
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Articles (21)

  • Article
  • Open Access
9 Citations
6,943 Views
19 Pages

Absolute Local Quantification of Li as Function of State-of-Charge in All-Solid-State Li Batteries via 2D MeV Ion-Beam Analysis

  • Sören Möller,
  • Takahiro Satoh,
  • Yasuyuki Ishii,
  • Britta Teßmer,
  • Rayan Guerdelli,
  • Tomihiro Kamiya,
  • Kazuhisa Fujita,
  • Kota Suzuki,
  • Yoshiaki Kato and
  • Hans-Dieter Wiemhöfer
  • + 2 authors

Direct observation of the lithiation and de-lithiation in lithium batteries on the component and microstructural scale is still difficult. This work presents recent advances in MeV ion-beam analysis, enabling quantitative contact-free analysis of the...

  • Article
  • Open Access
19 Citations
5,983 Views
18 Pages

Comparison of Aqueous- and Non-Aqueous-Based Binder Polymers and the Mixing Ratios for Zn//MnO2 Batteries with Mildly Acidic Aqueous Electrolytes

  • Oliver Fitz,
  • Stefan Ingenhoven,
  • Christian Bischoff,
  • Harald Gentischer,
  • Kai Peter Birke,
  • Dragos Saracsan and
  • Daniel Biro

Considering the literature for aqueous rechargeable Zn//MnO2 batteries with acidic electrolytes using the doctor blade coating of the active material (AM), carbon black (CB), and binder polymer (BP) for the positive electrode fabrication, different b...

  • Article
  • Open Access
10 Citations
5,353 Views
17 Pages

The safety requirements in vehicles continuously increase due to more automated functions using electronic components. Besides the reliability of the components themselves, a reliable power supply is crucial for a safe overall system. Different archi...

  • Article
  • Open Access
38 Citations
13,640 Views
14 Pages

A Comparison of Lithium-Ion Cell Performance across Three Different Cell Formats

  • Grace Bridgewater,
  • Matthew J. Capener,
  • James Brandon,
  • Michael J. Lain,
  • Mark Copley and
  • Emma Kendrick

To investigate the influence of cell formats during a cell development programme, lithium-ion cells have been prepared in three different formats. Coin cells, single layer pouch cells, and stacked pouch cells gave a range of scales of almost three or...

  • Article
  • Open Access
13 Citations
8,057 Views
20 Pages

Methodology for the Optimisation of Battery Hybrid Energy Storage Systems for Mass and Volume Using a Power-To-Energy Ratio Analysis

  • Gregory Tzermias,
  • Sam Akehurst,
  • Richard Burke,
  • Chris Brace,
  • Sunoj George,
  • Johan Bernards and
  • Christopher Smith

Increasingly stringent emission regulations and environmental concerns have propelled the development of electrification technology in the transport industry. Yet, the greatest hurdle to developing fully electric vehicles is electrochemical energy st...

  • Article
  • Open Access
39 Citations
13,518 Views
20 Pages

The distribution of relaxation times (DRT) analysis of impedance spectra is a proven method to determine the number of occurring polarization processes in lithium-ion batteries (LIBs), their polarization contributions and characteristic time constant...

  • Article
  • Open Access
4 Citations
3,382 Views
27 Pages

A unified evaluation framework for stochastic tools is developed in this paper. Firstly, we provide a set of already existing quantitative and qualitative metrics that rate the relevant aspects of the performance of a stochastic prognosis algorithm....

  • Article
  • Open Access
12 Citations
6,257 Views
15 Pages

The Influence of Li4Ti5O12 Preparation Method on Lithium-Ion Capacitor Performance

  • Taofeek Akintola,
  • Annadanesh Shellikeri,
  • Tawakalt Akintola and
  • Jim P. Zheng

In this study, the importance of the preparation technique of Li4Ti5O12 (LTO) anode on its performance in a lithium-ion capacitor (LIC) application was investigated. These desired characteristics include energy density, rate capability, and cycle lif...

  • Article
  • Open Access
8 Citations
12,437 Views
11 Pages

Factors Influencing the Formation of Sodium Hydroxide by an Ion Exchange Membrane Cell

  • Jimmy Aurelio Rosales-Huamani,
  • Juan Taumaturgo Medina-Collana,
  • Zoila Margarita Diaz-Cordova and
  • Jorge Alberto Montaño-Pisfil

The present study aimed to evaluate the factors that influence the formation of sodium hydroxide (NaOH) by means of an electrolytic cell with ion exchange membranes. To achieve this experiment, the NaOH production cell had to be designed and built in...

  • Article
  • Open Access
19 Citations
8,458 Views
15 Pages

Electrical Characterization of Li-Ion Battery Modules for Second-Life Applications

  • Daniel Kehl,
  • Torben Jennert,
  • Frank Lienesch and
  • Michael Kurrat

The reuse and repurposing of lithium-ion batteries for transportation in stationary energy systems improve the economic value of batteries. A precise suitability test at the beginning of the second life is therefore necessary. Common methods such as...

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Batteries - ISSN 2313-0105