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Titanium-based titanium oxide plate and manufacturing method thereof

A titanium oxide and titanium-based technology, which is applied in the field of titanium-based titanium oxide plates and their manufacture, can solve problems such as no direct growth or coverage, no mention of thin film preparation methods, and increased resistivity, so as to reduce The weight of the battery, the simple manufacturing process, and the effect of improving the energy density of the battery

Active Publication Date: 2012-12-12
ZHEJIANG NARADA POWER SOURCE CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Pressing it with thermoplastic or thermosetting resins, fillers and other conductive materials can improve the mechanical strength of the plate, but due to the decrease in the proportion of titanium oxide conductive powder in this plate, the resistivity of the plate increases
None of these patents mention the Ti n o 2n-1 (4￡n￡6) thin films grown directly or covered on Ti substrates, and there is no mention of Ti n o 2n-1 (4￡n￡6) film preparation method

Method used

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  • Titanium-based titanium oxide plate and manufacturing method thereof
  • Titanium-based titanium oxide plate and manufacturing method thereof
  • Titanium-based titanium oxide plate and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1: refer to figure 1 , 2 、3

[0023] (1) Degrease the industrially pure titanium plate, in HF and HNO 3 pickling in the mixed solution for 5 minutes to obtain a titanium substrate 1 with a clean surface;

[0024] (2), configure Ti(OH) 4 Sol: 20ml ethanol, 0.5ml deionized water, 0.5ml hydrochloric acid, 0.02g titanium nanopowder (D 50 40nm), 2ml tetrabutyl titanate, 0.2ml sol stabilizer;

[0025] (3) Precursor film 2 was prepared on the cleaned titanium substrate by immersion-pulling method: the titanium substrate was placed on Ti(OH) 4 Stand in the sol for 2 minutes, pull at a constant speed of 100mm / min, and set the temperature of the puller to 40 o C, repeating the above steps 10 times, each coating interval is 3min; reference number 3 is Ti nanoparticles.

[0026] (4), the precursor thin film 2 is carried out segmental heat treatment: 120 o C for 1 hour, and then 5 o C / min heating rate increased to 1300 o C, keep warm for 1 hour, cool with the...

Embodiment 2

[0029] (1) Degrease the industrial pure titanium plate, in HF and HNO 3 Pickling in the mixed solution for 5 minutes to obtain a titanium substrate with a clean surface;

[0030] (2) Configure Ti(OH) 4 Sol: 20ml ethanol, 0.5ml deionized water, 0.5ml hydrochloric acid, 0.01g titanium nanopowder (D 50 20nm), 2ml tetrabutyl titanate, 0.2ml sol stabilizer;

[0031] (3) Precursor films were prepared on the cleaned titanium substrates by immersion-lifting method: the titanium substrates were placed on Ti(OH) 4 Stand in the sol for 2 minutes, pull at a constant speed of 100mm / min, and set the temperature of the puller to 40 oC, repeat the above steps 10 times, each coating interval is 3min;

[0032] (4) Subsection heat treatment of the precursor film: 120 o C for 1 hour; then 5 o C / min heating rate up to 1000 o C, keep warm for 1 hour, cool with the furnace, heat treatment atmosphere is argon-hydrogen mixture, and the hydrogen content is 5%.

Embodiment 3

[0034] (1) Degrease the industrial pure titanium plate, in HF and HNO 3 Pickling in the mixed solution for 5 minutes to obtain a titanium substrate with a clean surface;

[0035] (2) Configure Ti(OH) 4 Sol: 20ml ethanol, 0.5ml deionized water, 0.5ml hydrochloric acid, 0.02g titanium nanopowder (D 50 40nm), 2ml tetrabutyl titanate, 0.2ml sol stabilizer;

[0036] (3) Precursor films were prepared on the cleaned titanium substrate by spin coating: the spin speed was 2500r / min, the spin coating time was 30 s, and at 40 o After C drying, repeat the above steps 10 times;

[0037] (4) Subsection heat treatment of the precursor film: 120 o C for 1 hour, and then 5 o C / min heating rate increased to 1300 o C, keep warm for 1 hour, cool with the furnace, and the heat treatment atmosphere is argon.

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Abstract

The invention discloses a titanium-based titanium oxide plate and a manufacturing method thereof. The titanium-based titanium oxide plate comprises a titanium metal plate carrier and a titanium oxide film, wherein the titanium oxide film comprises main components of magneli phase (Ti4O7), titanium black (Ti5O9) and titanium oxide (Ti6O11), wherein the total content of Ti4O7, Ti5O9 and Ti6O11 is not less than 80 percent, and the content of the Ti4O7 is not less than 60 percent. The preparation of the titanium-based titanium oxide plate adopts a sol nano heat reduction technology, and the titanium oxide film is synthesized on situ at the high temperature on a titanium substrate by utilizing the reducibility of the titanium nano particles. The titanium-base titanium oxide plate has good conductivity, good corrosion resistance and good mechanical strength and can be used as an anode light grid of a high-energy lead storage battery, a polar plate of a bipolar battery and a collector body of other relevant chemical power supplies.

Description

technical field [0001] The invention relates to a titanium-based titanium suboxide plate and a manufacturing method thereof. The titanium-based titanium suboxide plate can be used as a current collector of a positive electrode light grid of a high-energy storage battery, a bipolar battery grid and other related chemical power sources. Background technique [0002] Titanium material has low density, high electrical conductivity, good machinability, and is very stable in sulfuric acid system. It is an ideal lightweight current collector for high-energy batteries. However, under acidic high potential conditions, the surface of titanium is easily oxidized to form a dense non-conductive oxide film. This "passivation" film will hinder the contact of electrons between the active material and the current collector, increasing the polarization. Deteriorate battery performance. In order to improve the surface conductivity and stability of the titanium plate, it is usually necessary t...

Claims

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Application Information

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IPC IPC(8): C23C20/08H01M4/66
CPCY02E60/12Y02E60/10
Inventor 相佳媛吴贤章陈建
Owner ZHEJIANG NARADA POWER SOURCE CO LTD
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