Nickel manganese/carbon nanotube composite catalyst and preparation and application thereof

A carbon nanotube composite and carbon nanotube technology, which is applied to functional catalysts and their preparation and application fields, can solve the problems of limiting metal-air battery efficiency, unfavorable industrial-scale preparation, complex catalyst preparation process, etc., and achieves excellent charge-discharge performance. and stability, excellent electrochemical performance, low cost effect
CN105289643AInactive Publication Date: 2016-02-03DONGHUA UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
DONGHUA UNIV
Publication Date
2016-02-03
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a nickel manganese / carbon nanotube composite catalyst and preparation and application thereof. The bifunctional catalyst comprises a carbon nanotube and nickel manganese (NiMnO4) spinel. A manganese dioxide precursor, nickelous acetate and the carbon nanotube are dissolved in ammonia water and undergo ultrasonic dispersion, undergo a hydrothermal reaction for 3-6 h at 130-150 DEG C, are cooled to room temperature, cleaned, dried and calcinated, and the nickel manganese / carbon nanotube composite catalyst is obtained. The nickel manganese / carbon nanotube composite catalyst is applied to an air electrode of a metal-air battery. The nickel manganese / carbon nanotube composite catalyst has efficient oxygen reduction performance and efficient oxygen evolution performance and can be applied to metal-air batteries.
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Description

technical field

[0001] The invention belongs to the field of functional catalysts and their preparation and application, in particular to a nickel manganate / carbon nanotube composite catalyst and its preparation and application. Background technique

[0002] In recent years, with the consumption of fossil energy and the intensification of environmental pollution, countries around the world are competing to develop and research clean and sustainable energy conversion devices, among which energy storage and conversion devices using electrochemical reactions have attracted great attention [Chem.Soc . Rev., 2014, 43, 5257--5259]. In particular, rechargeable metal zinc-air batteries have become a research hotspot due to their low cost, light weight, safety, environmental friendliness, excellent safety performance, and high theoretical specific energy and power density. Whether in terms of economic benefits and environmental protection, zinc-air batteries have been recognized as ...

Claims

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