Hydrogen absorbing alloy electrode and nickel-metal hydride battery
AssigneeSanyo Electric Co., Ltd.
InventorsYoshinori Matsuura, Reizo Maeda, Katsuhiko Shinyama, Tadayoshi Tanaka, Toshiyuki Nohma, Ikuo Yonezu
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Abstract
In a hydrogen absorbing alloy electrode containing hydrogen absorbing alloy powder and a binding agent, employed as the binding agent is a copolymer of aromatic vinyl and at least one of acrylic ester and methacrylic acid ester, in which the total content of acrylic ester units and methacrylic acid ester units is in the range of 43 to 90% by weight of the whole copolymer, and the hydrogen absorbing alloy electrode is used as a negative electrode of a nickel-metal hydride battery.
Claims13
A hydrogen absorbing alloy electrode containing hydrogen absorbing alloy powder and a binding agent, wherein
- said binding agent is a copolymer of aromatic vinyl and at least one of acrylic ester and methacrylic acid ester, in which the total content of acrylic ester units and methacrylic acid ester units is in the range of 43 to 90% by weight of the whole copolymer, wherein
- the hydrogen absorbing alloy powder and binding agent are heat-treated after mixing and drying.
Dependencies are inferred from the claim text.