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Horizontal lead-acid battery with filler and assembly method thereof

A technology of lead-acid battery and assembly method, which is applied in the field of storage batteries, can solve the problems of contact short circuit of positive and negative plates, short circuit of plates, etc., and achieve the effects of avoiding short circuit, simple steps and good sealing effect

Pending Publication Date: 2020-12-01
浙江图兰特储能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the space of the storage tank is limited, after the storage tank is filled, the active material will overflow from the storage tank, and the positive and negative plates will also contact and short circuit, which cannot be eliminated; and if there are deviations in the manufacture and assembly of the plates, the plates will expand The part of the plate does not enter the holding tank, but directly contacts the plane of the holding tank. The expansion of the plate in the horizontal direction is hindered, and the expanded part will elongate in the vertical direction, and the short circuit of the plate is more likely to occur.
[0008] Therefore, no matter what kind of technology is present, the short circuit of the positive and negative plates cannot be avoided, and a more suitable solution needs to be further developed

Method used

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  • Horizontal lead-acid battery with filler and assembly method thereof
  • Horizontal lead-acid battery with filler and assembly method thereof
  • Horizontal lead-acid battery with filler and assembly method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A horizontal lead-acid battery with a filling such as figure 1 and figure 2 As shown, it includes a battery casing 1, and a battery pole group composed of positive plates 2 (positive and negative plates) and a separator. The two ends of each battery pole group are provided with a physical barrier formed by a number of separators 4, and all the pole plates 2 is surrounded by fillings.

[0037] The separator is a strip-shaped structure composed of an elastic matrix and an insert wrapped inside the elastic matrix. The height of the strip-shaped structure is equivalent to the distance between the horizontal lead-acid battery plates. The positions corresponding to the inner surfaces of the bottom plate, side plates, and top cover and the spacers (i.e. physical barriers) are all provided with spacer positioning grooves, and the upper and / or lower ends of the strip-shaped structures are provided with left and right penetrating holes for accommodating A groove for accommodat...

Embodiment 2

[0051] In Example 2, the filler is 1-10wt% sodium alginate solution, which is viscous paste before solidification, and has a certain fluidity after high-speed stirring and shearing. It is vacuum pumped into the inner cavity of the battery, and after 5A charging for 6 hours, Due to the dehydration effect, a jelly-like elastic body is formed, and the elastic body is further dehydrated and hardened during the charging and discharging process of the battery.

Embodiment 3

[0053] In Example 3, the filler is epoxy glue, which is a liquid with very low viscosity and good fluidity before curing, at a constant temperature of 60°C.

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Abstract

The invention provides a horizontal lead-acid battery with filler and an assembly method thereof, the horizontal lead-acid battery comprises a battery shell and a battery pole group consisting of a positive plate, a negative plate and a diaphragm, and the horizontal lead-acid battery is characterized in that the filler which is injected in a liquid form at normal temperature, cured and converted into a solid state is arranged around the positive plate and the negative plate. The filler can fill all polar plate gaps, tightly wraps polar plates, limits polar plate expansion, can only expand towards the vertical direction of the polar plate plane, avoids short circuit of positive and negative polar plates, limits expansion of active substances due to extremely high assembly pressure of the horizontal battery, ensures completeness of the active substances, and greatly prolongs the service life of the horizontal lead-acid battery.

Description

【Technical field】 [0001] The invention relates to a storage battery, in particular to a horizontal lead-acid battery with fillers and an assembly method thereof which prevents positive and negative plates from short-circuiting. 【Background technique】 [0002] Lead-acid batteries began in 1859 with Gaston Plante's research on the charging and discharging of Pb electrodes in 10wt% sulfuric acid solution. In 1881, Camille Faure coated the lead paste made of red lead, sulfuric acid and water on the lead plate as an electrode, and Ernest Volckmar changed the lead plate into a lead grid. These two technologies alleviate the softening and falling off of the lead paste of the positive and negative electrodes of the lead-acid battery, and effectively increase the capacity of the lead-acid battery. The structure of the lead-acid battery is thus basically formed and mature. After more than 150 years of research and improvement, lead-acid batteries have been innovated in terms of plat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/12
CPCH01M10/12Y02E60/10Y02P70/50
Inventor 韩祖孟王新虎卢玉军王新征杨其军汤群星
Owner 浙江图兰特储能科技有限公司
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