A kind of supercapacitor lead-carbon battery and preparation method thereof
A lead-carbon battery, capacitor lead technology, applied in lead-acid batteries, lead-acid battery electrodes, lead-acid battery construction and other directions, can solve the problem of difficulty in improving the charge-discharge cycle performance, high production cost, specific power and discharge characteristics of lead-carbon batteries Can not be significantly improved and other problems, to achieve the effects of superior high-rate discharge characteristics, improved utilization of active materials, and superior cycle performance
Inactive Publication Date: 2016-02-17
上饶市云龙实业有限公司 +1
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Problems solved by technology
[0004] However, the production cost of lead-carbon batteries in the prior art is high, the process is complicated, and the specific power and discharge characteristics of conventional lead-carbon batteries cannot be significantly improved, and the charge-discharge cycle performance is also difficult to improve, which hinders the use and development of lead-carbon batteries.
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[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0033] The supercapacitor lead-carbon battery and the preparation method provided by the embodiments of the present invention can overcome the problems of “sulfation” of the negative plate easily caused by the traditional lead-acid battery under the condition of high-rate partial state of charge cycle, and propose to combine different types of The carbon material is chemically modified on the surface and organic functional groups are introduced to p...
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Abstract
The invention discloses a supercapacitor lead-carbon battery and a preparation method thereof. The negative electrode of the battery contains a mixed carbon material with chemical surface modification and the introduction of organic functional groups; and the battery uses PbO2 as an active material, an AGM separator, and an electrolyte with a density of 1.1g / cm3~1.3g / cm3 Sulfuric acid solution. The utilization rate of the active material of the lead-carbon battery is greatly improved, has higher specific power, and superior high-rate discharge characteristics, can work in the microcycle of rapid charge and discharge, and has superior cycle performance.
Description
technical field [0001] The invention relates to the technical field of lead-acid batteries, in particular to a supercapacitor lead-carbon battery and a preparation method thereof. Background technique [0002] At present, lead-acid batteries have been widely used in various fields such as electric bicycles, communication industry, and electric power. With the development of hybrid electric vehicles, batteries are required to have higher specific power, superior high-rate discharge characteristics, and can be charged and discharged quickly. work in the microcirculation. However, traditional lead-acid batteries operate under high-rate partial state-of-charge conditions, which can easily lead to "sulfation" of the negative plate, reduce charging efficiency, and ultimately lead to shortened battery cycle life. [0003] Lead-carbon batteries have a significant effect on solving the cycle life of high-rate partial state of charge. Adding carbon materials to the negative plate can...
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IPC IPC(8): H01M4/56H01M4/14H01M2/16H01M10/08H01M10/12H01M50/409
CPCH01M4/364H01M4/57H01M4/625H01M10/08H01M10/12H01M50/431H01M50/44Y02E60/10Y02P70/50
Inventor 朱安先付兴平王洪君张全春陈红雨
Owner 上饶市云龙实业有限公司