Rechargeable alkaline electrochemical cell

H - Electricity – 01 – M

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

H01M 10/26 (2006.01)

Patent

CA 2188120

This invention pertains to rechargeable zinc alkaline electrochemical cells. In cells of the invention, particulate zinc composition in the anode is devoid of bismuth or has reduced levels of bismuth, and preferably comprises indium and/or other components as alloying material. The particulate zinc composition preferably also contains aluminum and/or lead and/or calcium. Preferred quantities of the alloying materials are about 200 ppm to about 1000 ppm indium, about 200 ppm to about 1000 ppm lead, about 40 ppm to about 150 ppm aluminum, and about 110 ppm to about 190 ppm calcium. Cells embodying anode compositions of the invention exhibit reduced gas generation at recharge, and reduced incidence of leakage and/or venting incident to electrically abusive uses.

La présente invention concerne des piles électrochimiques rechargeables alcalines à anode de zinc. Dans les piles de l'invention, la composition de zinc particulaire constituant l'anode est dépourvue de bismuth ou possède une teneur réduite en bismuth et, de préférence, comprend de l'indium et/ou d'autres constituants comme matières d'alliage. De préférence, la composition de zinc particulaire contient également de l'aluminium et/ou du plomb et/ou du calcium. Les quantités préférées des matières d'alliage sont les suivantes : environ 200 ppm à environ 1 000 ppm d'indium, environ 200 ppm à environ 1 000 ppm de plomb, environ 40 ppm à environ 150 ppm d'aluminium et environ 110 ppm à environ 190 ppm de calcium. Les piles comportant les compositions anodiques de l'invention se caractérisent par une production de gaz réduite au moment de la recharge et une fréquence réduite de fuites et/ou d'incidents de mise à l'air libre liés à une utilisation abusive du point de vue électrique.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Rechargeable alkaline electrochemical cell does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Rechargeable alkaline electrochemical cell, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rechargeable alkaline electrochemical cell will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-2063127

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.