Unlock instant, AI-driven research and patent intelligence for your innovation.

A kind of high-performance titanium series oxide, its preparation method and application

An oxide, titanium-based technology, used in gaseous chemical plating, hybrid/electric double-layer capacitor manufacturing, coating, etc., can solve the problems of poor material rate charge and discharge performance, reduce material conductivity, etc., and achieve dense bonding. , improve the electronic conductivity, improve the effect of density and uniformity

Active Publication Date: 2018-07-24
BTR NEW MATERIAL GRP CO LTD +1
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since alumina is an inert oxide and is non-conductive, it will reduce the overall electrical conductivity of the material, which will eventually make the rate charge and discharge performance of the material poor.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A kind of high-performance titanium series oxide, its preparation method and application
  • A kind of high-performance titanium series oxide, its preparation method and application
  • A kind of high-performance titanium series oxide, its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0079] An improved chemical vapor deposition device, the structure diagram of the improved chemical vapor deposition device is shown in figure 1 , the device includes an electric furnace 1, a microwave device 11, a storage processing table 111, a power supply 2, a gas inlet A, a conductive agent precursor inlet B and an acid inlet C, wherein the microwave device 11 is arranged on the electric furnace 1 Inside, the carrier gas inlet A, the conductive agent precursor inlet B and the acid inlet C are respectively connected to the electric furnace 1 through a pipe 3 .

[0080] A method for preparing titanium-based oxides using the above-mentioned improved chemical vapor deposition device, said method comprising the following steps:

[0081] (I) Place 1000g of lithium titanate on the storage processing table 111 in the electric furnace 1, open the acid inlet C and feed a mixture of gaseous acid and carrier gas into the electric furnace 1, fully contact with lithium titanate, and tr...

Embodiment 2

[0087] An improved chemical vapor deposition device, said device includes an electric furnace 1, a microwave device 11, a serpentine storage processing table 111, a power supply 2, a gas inlet A, a conductive agent precursor inlet B, an acid inlet C and a vaporizer 4, wherein , the microwave device 11 is arranged inside the electric furnace 1, the carrier gas inlet A, the conductive agent precursor inlet B and the acid inlet C are respectively connected to the electric furnace 1 through the pipeline 3; On the pipeline 3 between the body inlet B and the electric furnace 1 and on the pipeline 3 connecting the acid inlet C and the electric furnace 1.

[0088] A method for preparing titanium-based oxides using the above-mentioned improved chemical vapor deposition device, said method comprising the following steps:

[0089] (I) Place 1000g of lithium titanate on the storage processing table 111 in the electric furnace 1, open the acid inlet C and feed the mixture of acid and carri...

Embodiment 3

[0093] An improved chemical vapor deposition device, said device includes an electric furnace 1, a microwave device 11, a serpentine storage processing table 111, a power supply 2, a gas inlet A, a conductive agent precursor inlet B, an acid inlet C and a vaporizer 4, wherein , the microwave device 11 is arranged inside the electric furnace 1, the carrier gas inlet A, the conductive agent precursor inlet B and the acid inlet C are respectively connected to the electric furnace 1 through the pipeline 3; On the pipeline 3 between the body inlet B and the electric furnace 1 and on the pipeline 3 connecting the acid inlet C and the electric furnace 1.

[0094] A method for preparing titanium-based oxides using the above-mentioned improved chemical vapor deposition device, said method comprising the following steps:

[0095] (I) Place 2000g of lithium titanate on the storage processing table 111 in the electric furnace 1, open the acid inlet C, and feed the mixture of acid and carr...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
densityaaaaaaaaaa
particle diameteraaaaaaaaaa
thicknessaaaaaaaaaa
Login to View More

Abstract

The invention relates to a high-performance titanium oxide, a preparation method and application thereof. The titanium oxide disclosed by the invention comprises lithium titanate particles and conductive network films coat the surfaces of the lithium titanate particles, wherein the chemical composition of the conductive network films is any one of borides, nitrides and carbides or the combination of at least two of the borides, the nitrides and the carbides. In the titanium oxide disclosed by the invention, the compact conductive network films are tightly combined in the surfaces of the lithium titanate particles, the titanium oxide is relatively high in conductivity and relatively high in tap density, the order of magnitudes of electric conductivity is 10<-3> to 10<-2> S / cm, the tap density is 1.3 to 2.0 g / cm<3>, a battery prepared by using the titanium oxide as an anode is high in volume energy and small in internal resistance, the high-rate capacity is high, and the charging specific capacities under the high rates of 10 C and 20 C are more than 168 mAh / g and more than 160 mAh / g respectively.

Description

technical field [0001] The invention belongs to the technical field of battery capacitor materials, and relates to a titanium-based oxide, its preparation method and application, in particular to a high-performance titanium-based oxide, its preparation method and its application as a negative electrode material. Background technique [0002] Lithium-ion hybrid supercapacitor is an energy storage device between a supercapacitor and a secondary battery. It requires high energy density and high power density in aerospace, rail transit, electric vehicles, and electronic information and instrumentation. The field of storage has great application potential, and electrode materials, as one of the key factors determining the performance of capacitors, are the focus of current research. [0003] Lithium titanate (Li 4 Ti 5 o 12 ) is called a "zero strain" material because its lattice constant hardly changes during the lithium intercalation and desorption process, and its theoretic...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H01G11/24H01G11/30H01G11/46H01G11/86C23C16/40C23C16/511
CPCY02E60/13
Inventor 康怀银秦军任建国岳敏
Owner BTR NEW MATERIAL GRP CO LTD