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Alkaline primary cells with electrolyte comprising manganese compound

An electrolyte and battery technology, applied in aqueous electrolyte batteries, battery electrodes, circuits, etc., can solve problems such as increasing battery performance

Inactive Publication Date: 2012-06-20
THE GILLETTE CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The unoccupied space can then be used for incorporation of additional active materials into the assembled battery, which can lead to overall increased battery performance

Method used

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  • Alkaline primary cells with electrolyte comprising manganese compound
  • Alkaline primary cells with electrolyte comprising manganese compound

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Embodiment Construction

[0010] see figure 1 , the cell 10 includes a cathode 12 , an anode 14 and a separator 16 disposed in a cylindrical housing 18 . The cell 10 also includes a current collector 20, a seal 22, and a negative metal termination 24 that serves as the negative terminal of the cell. The positive point 26, which functions as the positive terminal of the battery, is located at the opposite end of the negative terminal of the battery. The electrolyte solution is dispersed throughout the battery 10 . The battery 10 may be an alkaline battery, such as an AA, AAA, AAAA, C or D battery.

[0011] The cylindrical housing 18 may be thin walled, eg AA and AAA batteries typically have a wall thickness of about 0.25 mm to about 0.15 mm, and C and D batteries have a wall thickness of about 0.30 mm to about 0.20 mm.

[0012] Cathode 12 includes one or more cathode active materials, such as manganese dioxide, silver oxide, nickel oxyhydroxide, or copper oxide. Preferably, the cathode active materi...

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Abstract

A battery is described. The battery includes an anode, a cathode, a separator disposed between the cathode and the anode, and an electrolyte. The electrolyte further includes manganese. The manganese is selected from the group consisting of: cesium permanganate (CsMnO4), cesium manganate (Cs2MnO4), magnesium permanganate (Mg(MnO4)2), magnesium manganate (MgMnO4), silver manganate (Ag2MnO4), silver permanganate (AgMnO4), barium manganate (BaMnO4), and barium permanganate (Ba(MnO4)2).

Description

technical field [0001] The present invention relates to electrochemical cells or batteries thereof. Background technique [0002] Electrochemical cells (batteries) are often used as a source of electrical energy. A battery contains a negative electrode, commonly referred to as the anode, and a positive electrode, commonly referred to as the cathode. The anode contains an active material that can be oxidized. The cathode contains an active material that can be reduced. The anode active material is capable of reducing the cathode active material. A separator is positioned between the anode and the cathode. These components are housed in a metal casing (can). [0003] A common anode material used in both primary (single-use) and secondary (rechargeable) batteries is zinc (Zn). Zinc has beneficial characteristics such as high capacity, high energy density, low cost and non-toxicity. However, the oxidation of zinc during battery storage or discharge may present engineering...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/62H01M6/04
CPCY02E60/12H01M4/50H01M6/04H01M4/62H01M4/42
Inventor 王一淳J·J·塞维拉T·梅齐尼K·南容达斯瓦米张矾
Owner THE GILLETTE CO
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