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Lithium ion battery

A lithium-ion battery and electrochemical technology, applied in battery electrodes, secondary batteries, circuits, etc., can solve the problems of complex process, low yield and high cost, and achieve a simple preparation process, high specific capacity and low manufacturing cost. Effect

Inactive Publication Date: 2016-05-18
TIANNENG SAFT ENERGY JOINT CO
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the ferroferric oxide prepared by these methods has improved its electrochemical properties to a certain extent, however, these preparation methods are relatively complex, low yield, and high cost. Therefore, the development of new energy synthesis has excellent electrochemical properties. The preparation method of the ferric oxide of chemical property is very necessary

Method used

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Examples

Experimental program
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Effect test

Embodiment

[0037] 1. Configure ferric oxide electroplating solution

[0038] a, take exactly 9.997g of ferric sulfate (Fe 2 (SO 4 ) 3 ,0.025mol), add 200ml deionized water into the beaker to dissolve, stir well;

[0039] b. Accurately weigh 19.998g of sodium hydroxide (NaOH, 0.5mol) and 7.459g of triethanolamine (TEA, 0.05mol), add 200ml of deionized water to dissolve in a beaker, and stir evenly;

[0040] c. Add the solution in step a to the solution in step b, and dilute to volume in a 500ml volumetric flask;

[0041] d. Stir the prepared electroplating solution at room temperature for 48 hours until the solution is completely free of precipitation and turns light green.

[0042] After configuration, the concentration of each component of the electroplating solution is: 0.05 mol / L of iron sulfate, 1 mol / L of sodium hydroxide, and 0.1 mol / L of triethanolamine.

[0043]2. Using an electrochemical workstation, copper foil is used as the cathode, carbon paper is used as the anode, pla...

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Abstract

The invention discloses a lithium ion battery. The lithium ion battery comprises an anode plate which is a membrane material prepared in the mode that ferroferric oxide deposits on a metal substrate through an electrochemical deposition method. The ferroferric oxide material is prepared through the electro-deposition method. The ferroferric oxide material prepared through the method directly serves as a battery ion battery anode material, additional adhesion agents, conductive agents and the like are not needed, the loading proportion of active substance materials is high, the prepared lithium ion battery has the advantage that the specific capacity is high, the preparation method of the ferroferric oxide anode material for the lithium ion battery is ideal, and important meaning is achieved. The preparation technology of the lithium ion battery is simple, cost is low, and large-scale production can be achieved easily.

Description

technical field [0001] The invention relates to the fields of new energy materials and electrochemical technology, in particular to a lithium ion battery. Background technique [0002] The power battery is the heart of new energy electric vehicles and the key to the development of the new energy electric vehicle industry. However, the energy density, safety performance, and rate performance of lithium-ion batteries, which have been widely used in mobile electronic products, still cannot meet the needs of people in electric vehicles. The requirements for the use of automobiles have become a bottleneck hindering the large-scale promotion of electric vehicles. Lithium-ion batteries are composed of positive and negative electrode materials, separators and electrolytes. The electrode material is the core part of the battery and determines the electrochemical lithium storage performance of the battery. Therefore, the performance of the negative electrode material directly affects ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/04H01M4/1391H01M10/0525C25D9/04
CPCC25D9/04H01M4/0452H01M4/1391H01M10/0525Y02E60/10
Inventor 赵冲冲孙伟李文何文祥李靖余心亮施利勇
Owner TIANNENG SAFT ENERGY JOINT CO
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