典型文献
Biomass seaweed-derived nitrogen self-doped porous carbon anodes for sodium-ion batteries:Insights into the structure and electrochemical activity
文献摘要:
Sustainable transformation and efficient utilization of biomasses and their derived materials are environ-mentally as well as economically compliant strategies.Biomass seaweed-derived nitrogen self-doped porous carbon with tailored surface area and pore structures are prepared through carbonization and activation.The influence of carbonization temperature on morphology,surface area,and heteroatom dopants are investigated to optimize sodium-ion storage capability.Seaweed-derived nitrogen self-doped activated carbon (SAC) as anode materials for sodium-ion batteries exhibits remarkable reversible capacity of 303/192 mAh g-1 after 100/500 cycles at current densities of 100/200 mA g-1,respectively,and a good rate capability.The interconnected and porous conducting nature along with the heteroatom dopant role in creating defective sites and charge stabilization are favorable for ion storage and diffusion and electron transport,indicating the electrodes can offer improved electrochemical performances.In addition,post-mortem analysis of the cycled carbon electrodes through ex-situ tools demonstrates the sodium-ion storage mechanism.
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作者姓名:
Chenrayan Senthil;Jae Woo Park;Nitheesha Shaji;Gyu Sang Sim;Chang Woo Lee
作者机构:
Department of Chemical Engineering (Integrated Engineering) & Center for the SMART Energy Platform,College of Engineering,Kyung Hee University,1732 Deogyeong-daero,Gihueng,Yongin,Gyeonggi 17104,South Korea
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引用格式:
[1]Chenrayan Senthil;Jae Woo Park;Nitheesha Shaji;Gyu Sang Sim;Chang Woo Lee-.Biomass seaweed-derived nitrogen self-doped porous carbon anodes for sodium-ion batteries:Insights into the structure and electrochemical activity)[J].能源化学,2022(01):286-295
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0.597919
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