Recent Progresses in Constructing the Highly Efficient Ni Based Catalysts With Advanced Low-Temperature Activity...

Area of Science:

• Catalysis
• Environmental Science
• Materials Science

Background:

• Rising carbon dioxide (CO2) emissions pose significant environmental threats like global warming.
• Catalytic conversion of CO2 to methane (CH4) is a key strategy for CO2 utilization.
• Low temperatures favor CO2 methanation but hinder reaction rates due to kinetic barriers.

Purpose of the Study:

• To review recent advancements in designing highly efficient Nickel-based catalysts for CO2 methanation.
• To explore strategies for enhancing low-temperature catalytic activity and stability of Ni-based catalysts.
• To provide insights into future trends for developing superior CO2 methanation catalysts.

Main Methods:

• Review of literature on Nickel-based catalysts for CO2 methanation.
• Analysis of factors influencing catalyst performance, including supports, dopants, and fabrication methods.
• Examination of reaction conditions and their impact on catalytic efficiency.

Main Results:

• Nickel-based catalysts show promise for CO2 methanation but often suffer from poor low-temperature performance and stability.
• Various strategies, including the use of specific catalytic supports, auxiliaries, dopants, and optimized fabrication methods, can enhance catalyst efficiency.
• Careful control of reaction conditions is crucial for maximizing catalytic activity and selectivity.

Conclusions:

• Developing highly efficient Nickel-based catalysts with excellent low-temperature activity and stability is critical for effective CO2 utilization.
• Further research into catalyst design, material modification, and process optimization is needed.
• This review provides a roadmap for future development of advanced catalysts for CO2 methanation.