Toshiba Battery Co., Ltd.

Tetsuya Yamane

Kunihiko Miyamoto

Ken-ichi Kanno

Naomi Bando

Makoto Wakabayashi

Hiroshi Kaneko

Kiyoshi Ishitsuka

Takeshi Fukuju

Masayoshi Hiruma

Hidekazu Oppata

Ken Komiyama

An alkaline secondary battery which is characterized in that it comprises, a positive electrode containing nickel hydroxide having a value of 0.8&#xb0; or more in the half-width of a peak in the (101) plane thereof as measured by X-ray powder diffraction (2&#x3b8;) using Cu&#x2014;K&#x3b1; ray, and 4.0 to 15% by weight of at least one material selected from the group consisting of zinc and zinc compounds, and an alkali electrolyte, the ratio of which to theoretical capacity of the positive electrode being 0.7 to 2.0 cm/Ah, the weight of the at least one material being one calculated as zinc element and based on the weight of the nickel hydroxide.

Electrodes, alkaline secondary battery, and method for manufacturing alkaline secondary battery

An alkaline secondary battery comprising a positive electrode, a negative electrode, and an alkaline electrolyte, wherein the positive electrode comprises a conductive substrate and a mixture held by the conductive substrate, the mixture containing nickel hydroxide and a conductive cobalt compound, and the positive electrode has pores, substantially all of the pores each having a diameter with a range of 0.0001 .mu.m to 10 .mu.m.

Alkaline secondary battery, paste type positive electrode for alkaline

Growing community of inventors

Kawasaki, Japan

Tetsuya Yamane