| Title |
Electrodeposition of Pb and PbO2 on graphite felt in membraneless flow-through reactor: a method to prepare lightweight electrode grids for lead-acid batteries |
| Authors |
Ilginis, Arminas ; Žmuidzinavičienė, Nerita ; Griškonis, Egidijus |
| DOI |
10.3390/ma14206122 |
| Full Text |
|
| Is Part of |
Materials.. Basel : MDPI. 2021, vol. 14, iss. 20, art. no. 6122, p. 1-14.. ISSN 1996-1944 |
| Keywords [eng] |
composite electrode ; electrodeposition ; flow-through reactor ; graphite felt ; lead-acid batteries ; lightweight electrodes |
| Abstract [eng] |
One of the possible ways of mitigating the primary lead-acid battery downside-mass- is to replace the heavy lead grids that can add up to half of the total electrode's mass. The grids can be exchanged for a lightweight, chemically inert, and conductive material such as graphite felt. To reduce carbon surface area, Pb/PbO2 can be electrochemically deposited on graphite felt. A flow-through reactor was applied to enhance penetration of adequate coverage of graphite felt fibers. Three types of electrolytes (acetate, nitrate, and methanesulfonate) and two additives (ligninsulfonate and Triton X-100) were tested. The prepared composite electrodes showed greater mechanical strength, up to 5 times lower electrical resistivity, and acted as Pb and PbO2 electrodes in sulfuric acid electrolytes. |
| Published |
Basel : MDPI |
| Type |
Journal article |
| Language |
English |
| Publication date |
2021 |
| CC license |
|
