Enclosed alkali storage battery

Details Enclosed alkali storage battery Enclosed alkali storage battery

H - Electricity

01

M

H01M 4/32 (2006.01) H01M 10/30 (2006.01) H01M 10/34 (2006.01) H01M 4/36 (2006.01) H01M 6/50 (2006.01) H01M 4/52 (2006.01) H01M 4/50 (2006.01)

Patent

CA 2277227

Disclosed is a sealed alkaline storage battery comprising a positive electrode active material and a negative electrode active material packed in total in a battery can at 75% by volume or more of a content volume of the battery can, the negative electrode active material forming a zinc negative electrode and comprising a mixture of zinc and zinc oxide, and the positive electrode active material including 60 through 100 wt% of nickel oxyhydroxide including Mn as a solid-solution element and having a .gamma. ratio defined as follows of 65 through 100%, and 40 through 0 wt % of a Ni(OH)2 .gamma. ratio (%) = {S1/(S1+S2)} × 100 wherein S1 indicates a peak area in a lattice plane (003) in an X-ray diffraction pattern of the nickel oxyhydroxide including Mn as a solid-solution element, wherein S2 indicates a peak area in a lattice plane (001) in the X-ray diffraction pattern of the nickel oxyhydroxide including Mn as a solid-solution element, and wherein the X-ray diffraction patterns are obtained by X-ray diffraction analysis using a counter electrode of Cu, a tube voltage of 40kV, a tube current of 100mA and a filter of Ni. The pressure within such a battery does not increase significantly over a long period of charge- discharge cycles, and hence the potential for leakage of electrolyte is reduced.

L'invention concerne une batterie d'accumulateurs aux alcalis blindée mettant en oeuvre comme matériau actif positif un oxyhydroxyde de nickel dans lequel Mn d'un rapport gamma de 65-100 % forme une solution solide, une batterie d'accumulateurs aux alcalis blindée utilisant comme matériau actif positif un oxyhydroxyde de nickel auquel un métal des terres rares et/ou un composé métallique des terres rares est ajouté ou appliqué de telle manière que la teneur en métal des terres rares est 0,05 - 5 % en poids lorsqu'un composé métallique des terres rares est ajouté ou appliqué, ou bien une batterie d'accumulateurs aux alcalis blindée utilisant comme matériau actif positif un oxyhydroxyde de nickel tel que la demi-largeur d'une crête d'un plan réticulaire (003) dans un diagramme de diffraction des rayons X n'est pas inférieure à 0,8 DEG dans une expression de 2 theta ( theta : angle de Bragg). La pression interne de la batterie n'augmentant pas beaucoup, même après un usage prolongé avec de multiples cycles de charge/décharge, l'électrolyte fuit rarement.

Affiliated with

Also associated with

Rating

Enclosed alkali storage battery does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Enclosed alkali storage battery, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Enclosed alkali storage battery will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1908737