Pressure-induced evolution in the durability of nickel–metal hydride batteries under high-current charge

Author:

Maeda Kouji1ORCID,Moritoki Masato1,Yae Shinji1ORCID,Fukui Keisuke1,Fukumuro Naoki1,Sugahara Takeshi23ORCID

Affiliation:

1. Department of Chemical Engineering and Materials Science, University of Hyogo, 2167 Shosha, Himeji, 671-2201 Hyogo, Japan

2. Division of Chemical Engineering, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University 1-3 Machikaneyama, Toyonaka, 560-8531 Osaka, Japan

3. Division of Energy and Photochemical Engineering, Research Center for Solar Energy Chemistry, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka, 560-8531, Japan

Abstract

We found that an AAA-type battery (min. 750 mAh) pressurized with Ar or N2 at pressures of up to 5 MPa exhibited a significant durability enhancement even under high-current conditions.

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

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