Sustainable Lignin-Derived Carbon as Capacity-Kinetics Matched Cathode and Anode towards 4.5 V High-Performance Lithium-Ion Capacitors

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外文摘要：The Li-ion capacitors(LICs)develop rapidly due to their double-high features of high-energy density and high-power density.However,the relative low capacity of cathode and sluggish kinetics of anode seriously impede the development of LICs.Herein,the precisely pore-engineered and heteroatom-tailored defective hierarchical porous carbons(DHPCs)as large-capacity cathode and high-rate anode to construct high-performance dual-carbon LICs have been developed.The DHPCs are prepared based on triple-activation mechanisms by direct pyrolysis of sustainable lignin with urea to generate the interconnected hierarchical porous structure and plentiful heteroatom-induced defects.Benefiting from these advanced merits,DHPCs show the well-matched high capacity and fast kinetics of both cathode and anode,exhibiting large capacities,superior rate capability and long-term lifespan.Both experimental and computational results demonstrate the strong synergistic effect of pore and dopants for Li storage.Consequently,the assembled dual-carbon LIC exhibits high voltage of 4.5 V,high-energy density of 208 Wh kg-1,ultrahigh power density of 53.4 kW kg-1 and almost zero-decrement cycling lifetime.Impressively,the full device with high mass loading of 9.4 mg cm-2 on cathode still outputs high-energy density of 187 Wh kg-1,demonstrative of their potential as electrode materials for high-performance electrochemical devices.

外文关键词：

capacity-kinetics matchingdefective hierarchical porous carbonshigh mass loadinghigh power densityLi-ion capacitors

作者：

Fangyan Liu、Pengfei Lu、Ying Zhang、Feng Su、Liangzhu Zhang、Shuanghao Zheng、Xiong Zhang、Fangyuan Su、Yanwei Ma、Zhongshuai Wu

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作者单位：

State Key Laboratory of Catalysis,Dalian Institute of Chemical Physics,Chinese Academy of Sciences,Dalian 116023,China

Dalian National Laboratory for Clean Energy,Chinese Academy of Sciences,Dalian 116023,China

Anhui Key Laboratory of Spin Electron and Nanomaterials,School of Chemistry and Chemical Engineering,Suzhou University,Suzhou 234000,China

University of Chinese Academy of Sciences,19 A Yuquan Rd,Shijingshan District,Beijing 100049,China

Institute of Electrical Engineering,Chinese Academy of Sciences,Beijing 100190,China

School of Engineering Sciences,University of Chinese Academy of Sciences,Beijing 100049,China

Institute of Electrical Engineering and Advanced Electromagnetic Drive Technology,Qilu Zhongke,Jinan 250013,China

CAS Key Laboratory of Carbon Materials,Institute of Coal Chemistry,Chinese Academy of Sciences,Taiyuan 030001,China

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基金：

National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaDalian Innovation Support Plan for High Level TalentsDalian National Laboratory For Clean Energy(DNL)CAS,DNL Cooperation Fund,CASCAS,DNL Cooperation Fund,CASCAS,DNL Cooperation Fund,CASCAS,DNL Cooperation Fund,CASDICPJoint Fund of the Yulin UniversityDalian National Laboratory for Clean EnergyDalian National Laboratory for Clean EnergySuzhou University Scientific Research PlatformChina Postdoctoral Science Foundation

项目编号：

22005298221259035187228322075279222791372019RT09DNL201912DNL201915DNL202016DNL202019DICP I2020032YLU-DNL Fund 2021002YLU-DNL Fund 20210092021XJPT072019 M661141

出版年：

2023

DOI：

10.1002/eem2.12550

能源与环境材料(英文)

CSCD

ISSN：

年,卷(期)：2023.6(4)

参考文献量61