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Nickel-zinc nanometer battery

A nano-battery technology, applied in the direction of nickel storage battery, battery electrode, nanotechnology, etc., can solve the problems of short battery life, low cycle life, easy deformation, etc., and achieve the effect of large energy ratio, good stability and light weight

Inactive Publication Date: 2016-08-24
GUANGXI NANNING BAILANSI SCI & TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the large-scale development of hybrid vehicles and electric bicycles will inevitably use larger-scale traditional rechargeable batteries. If no technical improvement is made, it may cause more serious pollution of water resources and land environment. The innovation of environmentally friendly battery technology and the cultivation of new battery industry must develop in coordination with it, which has become an urgent problem to be solved in my country and even in the world
[0003] In recent years, due to people's concern about environmental issues, zinc-nickel batteries have considerable advantages as a clean energy source; zinc-nickel batteries have the advantages of high working voltage, high energy density, good safety, and low cost, but the disadvantage is that the cycle life is low
[0004] Due to unreasonable structural design of zinc-nickel batteries, improper selection of materials, unreasonable selection and quantity control of additives, improper selection of separators and unreasonable processes, zinc-nickel batteries have the following problems: short battery life; excessive growth of zinc dendrites; The electrode is easily deformed
[0005] Due to the above reasons, the problem of poor cycle life caused by zinc dendrites and dissolution caused by zinc-nickel batteries during charging and discharging has not been well resolved.

Method used

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Examples

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Embodiment 1

[0017] Such as figure 1 Shown, a kind of nickel-zinc nano-battery, it comprises at least: the lithium battery shell that contains cobalt nickel-plated steel strip, positive electrode 1, separator 2, negative electrode 4, separator 2 is between positive electrode 1 and negative electrode 4, separator 2 There is a combination 7 of nano-carbon and nickel mesh between the negative electrode 4; the combination 7 of nano-carbon and nickel mesh is coated with nano-carbon 3 on the surface of the nickel mesh 5; the thickness of the nickel mesh is 5um. The lithium battery casing of the cobalt-containing nickel-plated steel strip of the lithium-ion battery is based on SPCE, and the two sides of the substrate are respectively coated with a nickel-cobalt binary alloy film; the nickel-cobalt binary alloy film is a grain size 50-100nm nanocrystalline coating with a thickness of 2μm; the middle layer is a Ni / Co / Fe diffusion layer with a thickness of 1μm produced after diffusion heat treatment...

Embodiment 2

[0019] Such as figure 2 Shown, a kind of nickel-zinc nano-battery, it comprises at least: the lithium battery shell that contains cobalt nickel-plated steel strip, positive electrode 1, separator 2, negative electrode 4, separator 2 is between positive electrode 1 and negative electrode 4, separator 2 There is an assembly 7 of nano-carbon and nickel mesh between the negative electrode 4; the assembly 7 of nano-carbon and nickel mesh is attached to the upper and lower surfaces of the nickel mesh with the nano-carbon film 6, and the thickness of the nickel mesh is 9um. The specific method is:

[0020] 1) The carbon material in the super Ni-Zn-C (nickel-zinc-carbon) battery is only responsible for drawing current and does not participate in the reaction. Research experiments have shown that the diaphragm has a significant impact on the capacity and life of the battery; zinc ions can be reversibly intercalated and deintercalated in carbon materials, so superimposing ultra-thin p...

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Abstract

The invention relates to a nickel-zinc nanometer battery. The nickel-zinc nanometer battery at least comprises a lithium battery shell, a positive electrode (1), a partition plate (2) and a negative electrode (4), wherein the lithium battery shell contains a cobalt nickel-plating steel strip, the partition plate (2) is arranged between the positive electrode (1) and the negative electrode (4), and a combination body (7) of nanocarbon and a nickel mesh is arranged between the partition plate (2) and the negative electrode (4). The nickel-zinc nanometer battery has the characteristics of small size, light weight, long service time, high energy ratio, high stability, no pollution to an environment during the production process and after product waste and the like.

Description

technical field [0001] The invention relates to a nickel-zinc nanometer battery. Background technique [0002] Energy conservation, environmental protection, and sustainable development are important components of realizing my country's scientific development. With the adjustment of traditional industrial structure and the development of industries such as hybrid vehicles in recent years, my country has reduced the generation of pollutants and promoted green environmental protection. However, the large-scale development of hybrid vehicles and electric bicycles will inevitably use larger-scale traditional rechargeable batteries. If no technical improvement is made, it may cause more serious pollution of water resources and land environment. The innovation of environmentally friendly battery technology and the cultivation of new battery industry must develop in coordination with it, which has become an urgent problem to be solved in my country and even in the world. [0003] I...

Claims

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Application Information

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IPC IPC(8): H01M10/30H01M4/38H01M4/66B82Y30/00
CPCY02E60/10
Inventor 黄兴英
Owner GUANGXI NANNING BAILANSI SCI & TECH DEV
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