A kind of ruthenium oxide-copper sulfide composite material, application and a kind of electrode sheet for supercapacitor

A technology of supercapacitors and composite materials, which is applied in the manufacture of hybrid capacitor electrodes and hybrid/electric double-layer capacitors, etc., can solve the problems of limited application and high price of ruthenium oxide, and can overcome the high cost, improve the specific capacitance, and increase the contact area. Effect

CN106024408BInactive Publication Date: 2018-06-12UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2018-06-12
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a ruthenium oxide-copper sulfide composite material, which solves the disadvantages in the prior art that the ruthenium oxide is expensive and rarely used in industrial production. A ruthenium oxide-copper sulfide composite material, the preparation method of which comprises the following steps: (1) ultrasonically dissolving copper chloride hydrate in ethylene glycol, then adding thiourea to the above reaction system, and stirring for 0.5h to 1h; After stirring, hydrothermal reaction at 150°C to 200°C for 8h to 12h, suction filtration, water washing, alcohol washing, and drying at 150°C to 200°C for 24h to obtain copper sulfide nanomaterials; (2) hydrated ruthenium trichloride Dissolve in 40ml~60ml water, obtain the ruthenium trichloride solution of 10mg / ml~20mg / ml; (3); Add the copper sulfide nano material prepared in step (1) in the ruthenium trichloride solution prepared in step (2) , stirred for 0.5h to 1h; then hydrothermally reacted at 150°C to 200°C for 8h to 12h, suction filtered, washed with water, washed with alcohol, and dried at 150°C to 200°C for 24h to obtain a ruthenium oxide-copper sulfide composite material .
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Description

technical field

[0001] The invention belongs to the technical field of electrochemical capacitors, in particular to a ruthenium oxide-copper sulfide composite material, its application and an electrode sheet for a supercapacitor. Background technique

[0002] Supercapacitor is a new type of energy device between secondary batteries and traditional physical capacitors. Compared with traditional capacitors, supercapacitors store more than 10 times the energy density of traditional capacitors; compared with batteries, they have higher Power density, high charge and discharge efficiency, long cycle life and other advantages. Therefore, it is widely used in the field of electric vehicles as an energy storage device, and can also play an important role in aerospace and national defense construction as a high pulse current generator. At present, the electrode materials for supercapacitors mainly include carbon materials, metal oxide materials and conductive polymer materials. [...

Examples

Embodiment 1

[0040] A ruthenium oxide-copper sulfide composite material, comprising 64% by weight of ruthenium oxide hydrate, 16% by weight of copper sulfide, 10% by weight of a conductive agent, and 10% by weight of 10% binder composition.

[0041] Its preparation method comprises the following steps

[0042] (1) Preparation of copper sulfide nanomaterials;

[0043] Ultrasonically dissolve copper chloride hydrate in ethylene glycol, then add thiourea to the above reaction system, and stir for 0.5h to 1h;

[0044] After the above stirring, after hydrothermal reaction at 150°C-200°C for 8h-12h, suction filtration, water washing, alcohol washing, and drying at 150°C-200°C for 24h, the copper sulfide nanomaterial is obtained;

[0045] (2) preparation of ruthenium trichloride solution;

[0046] Dissolving hydrated ruthenium trichloride in 40ml to 60ml of water to obtain a 10mg / ml to 20mg / ml ruthenium trichloride solution;

[0047] (3) Preparation of ruthenium oxide-copper sulfide composite...

Embodiment 2

[0054] A ruthenium oxide-copper sulfide composite material, comprising 56% by weight of ruthenium oxide hydrate, 24% by weight of copper sulfide, 10% by weight of a conductive agent, and 10% by weight of a conductive agent. 10% binder composition.

[0055] Its preparation method comprises the following steps

[0056] (1) Preparation of copper sulfide nanomaterials;

[0057] Ultrasonically dissolve copper chloride hydrate in ethylene glycol, then add thiourea to the above reaction system, and stir for 0.5h to 1h;

[0058] After the above stirring, after hydrothermal reaction at 150°C-200°C for 8h-12h, suction filtration, water washing, alcohol washing, and drying at 150°C-200°C for 24h, the copper sulfide nanomaterial is obtained;

[0059](2) preparation of ruthenium trichloride solution;

[0060] Dissolving hydrated ruthenium trichloride in 40ml to 60ml of water to obtain a 10mg / ml to 20mg / ml ruthenium trichloride solution;

[0061] (3) Preparation of ruthenium oxide-coppe...

Embodiment 3

[0068] A ruthenium oxide-copper sulfide composite material is composed of 50% by weight of hydrated ruthenium oxide, 32% by weight of copper sulfide, 10% by weight of a conductive agent, and 10% by weight of a conductive agent. 8% binder composition.

[0069] Its preparation method comprises the following steps

[0070] (1) Preparation of copper sulfide nanomaterials;

[0071] Ultrasonically dissolve copper chloride hydrate in ethylene glycol, then add thiourea to the above reaction system, and stir for 0.5h to 1h;

[0072] After the above stirring, after hydrothermal reaction at 150°C-200°C for 8h-12h, suction filtration, water washing, alcohol washing, and drying at 150°C-200°C for 24h, the copper sulfide nanomaterial is obtained;

[0073] (2) preparation of ruthenium trichloride solution;

[0074] Dissolving hydrated ruthenium trichloride in 40ml-60ml water to obtain 10mg / m1-20mg / ml ruthenium trichloride solution;

[0075] (3) Preparation of ruthenium oxide-copper sulfi...