Long-life lead-acid battery

A lead-acid battery, long-life technology, applied in the direction of lead-acid battery, lead-acid battery construction, battery electrodes, etc., can solve the problems of shedding, early capacity loss, poor contact between active material and conductive current collector, etc., to eliminate swelling, The effect of prolonging the service life

Pending Publication Date: 2019-01-25
杨春晓
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a long-life lead-acid battery. The long-life lead-acid battery has a long life because it can or is beneficial to, helps to overcome and solve some problems of the lead-acid battery. Lead-acid battery problems, including but not limited to swelling or / and softening or / and shedding of the positive active material of the lead-acid battery, corrosion, passivation, early capacity loss, salinization, crystallization, negative specific surface area shrinkage, active material and electrical conductivity Poor contact of current collectors, memory effect, self-decomposition of active substances, one or more of them

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0092] In this embodiment, the rated voltage of the lead-acid storage battery or battery pack is U, and the rated capacity is C 2 (2h rate, 25℃), C 5 (5h rate, 25℃) or C 20 (20h rate, 25℃), where U=2V, 4V, 6V, 12V, 24V, 36V, 48V, 60V or 72V, 240V, 360V, 480V, 600V, C 2 = 6.5Ah, 12Ah, 14Ah, 16Ah, 20Ah, 24Ah, 30Ah or 32Ah, or, C 5 =8.6Ah, 15.9Ah, 18.6Ah, 21.2Ah, 26.5Ah, 31.9Ah, 39.8Ah or 42.5Ah or, C 20 = 10.4Ah, 19.2Ah, 22.4Ah, 25.6Ah, 32Ah, 38.4Ah, 48Ah or 51.2Ah. The positive electrodes of the lead-acid storage battery or the battery pack of the present embodiment are electrodes A1, A2, ..., An (n=positive integer), and are connected to the output terminal A of the lead-acid storage battery or the battery pack of the present embodiment. The negative electrodes of the acid storage battery or battery pack are electrodes B1, B2, .

[0093] The lead-acid storage battery of this embodiment includes a positive pole and a negative pole, or, the positive and negative electrodes ...

Embodiment 2

[0105] This embodiment relates to lead-acid batteries, lead paste, lead-acid battery electrodes, methods for improving or prolonging the service life of lead-acid batteries, and battery chargers and dischargers. The function of polarity reversal and subsequent charging or charging and discharging operation and programmable execution function, the battery charging and discharging device of this embodiment can be realized through the polarity reversal of its output terminal and the charging or charging and discharging operation after polarity reversal Carry out battery positive and negative pole polarity reversal of the lead-acid battery of this embodiment, charging or charging and discharging operation after polarity reversal, all the following operations on the battery in this embodiment are performed in this embodiment except for manual instructions. The battery charger and discharger is realized through its function and work.

[0106] The rated voltage of the lead-acid stora...

Embodiment 3

[0127] The lead-acid battery pack of this embodiment is a full-tube lead-acid battery pack, the rated voltage is 4V, and the rated capacity is 539mAh (C 3.5 , 3.5h rate, 25℃) is composed of two identical all-tubular lead-acid batteries connected in series, all electrodes of each all-tubular lead-acid battery are tubular electrodes, and these tubular electrodes are positive Negative common electrodes (i.e. positive and negative common electrodes), and these tubular positive and negative common electrodes have the same electrode structure and active material formula, and the inner diameter of each tubular positive and negative common electrode sleeve is 6.3mm ,, the height of the casing is 75mm (including the plug), the diameter of the lead-calcium alloy conductive bone core in the casing is 2.5mm, and each full-tube lead-acid battery includes 3 tubular positive and negative general electrodes. For the follow-up description of the example, the six tubular positive and negative g...

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Abstract

The invention discloses a long-life lead-acid battery characterized by, the positive electrode and the negative electrode of the lead acid battery are both positive and negative universal electrodes,the anode, A common electrode for positive and negative electrodes includes, but is not limited to: wherein the electrode active material or the active material formulation comprises a positive electrode and a negative electrode or / and a positive electrode and / or / and a negative electrode of an expander, positive and negative electrode universal electrodes having the same active substance or the same active substance formulation, positive and negative electrode universal electrodes equivalent to each other, and one or more of the same or the same positive and negative electrode universal electrodes; Alternatively, the lead-acid battery includes an expander in its positive or / and negative electrodes; The lead-acid battery disclosed by the invention has a long service life.

Description

technical field [0001] The invention relates to a lead-acid battery, in particular to a long-life lead-acid battery. Background technique [0002] Lead-acid batteries can be recharged and discharged, which can greatly reduce the cost of production, use, and environmental protection in society. The longer the life or service life of lead-acid batteries, the greater the economic and social benefits they will generate. There are many reasons that lead to the end of life or service life of lead-acid batteries, important reasons include but are not limited to expansion or / and softening or / and shedding of positive active material, corrosion, passivation, early capacity loss, negative specific surface area shrinkage, active material Inactivation, salinization, crystallization, poor contact between active material and current collector, memory effect, self-decomposition of active material, etc. Contents of the invention [0003] The technical problem to be solved by the present i...

Claims

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Application Information

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IPC IPC(8): H01M10/12H01M4/62
CPCH01M10/12H01M10/44H01M50/502H01M4/627H01M10/42Y02E60/10Y02P70/50
Inventor 杨春晓
Owner 杨春晓
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