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Batteries 2017, 3(3), 25; doi:10.3390/batteries3030025

Reviews of European Patents on Nickel/Metal Hydride Batteries

1
Department of Mechanical Engineering, Wayne State University, Detroit, MI 48202, USA
2
BASF/Battery Materials—Ovonic, 2983 Waterview Drive, Rochester Hills, MI 48309, USA
3
Department of Chemical Engineering and Materials Science, Wayne State University, Detroit, MI 48202, USA
4
Department of Chemistry, Michigan State University, East Lansing, MI 48824, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Andreas Jossen
Received: 22 June 2017 / Revised: 25 July 2017 / Accepted: 27 July 2017 / Published: 26 August 2017
(This article belongs to the Special Issue Nickel Metal Hydride Batteries 2017)
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Abstract

Patent applications in the field of nickel/metal hydride (Ni/MH) batteries are reviewed to provide a solid technology background and directions for future developments. As the fourth review article in the series of investigations into intellectual properties in this area, this article focuses on 126 patent applications filed by European companies at the European Patent Office, while the earlier articles dealt with those from USA, Japan, and China. The history and current status of the key companies in the Ni/MH battery business are briefly discussed. These companies are categorized by their main roles in the industry, i.e., battery manufacturer, metal hydride alloy supplier, separator supplier, and others. While some European companies are pioneers in bringing the Ni/MH product to customers, others have made significant contributions to the development of the technology, especially in the button cell, bipolar cell, and separator areas. View Full-Text
Keywords: nickel metal hydride battery; European patent; metal hydride alloy; nickel hydroxide; European battery manufacturer nickel metal hydride battery; European patent; metal hydride alloy; nickel hydroxide; European battery manufacturer
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Chang, S.; Young, K.-H.; Lien, Y.-L. Reviews of European Patents on Nickel/Metal Hydride Batteries. Batteries 2017, 3, 25.

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