Double-shelled hollow carbon nanospheres as enclosed electrochemical reactors to enhance the lithium storage performance of silicon nanodots

2020 ◽  
Vol 8 (25) ◽  
pp. 12502-12517 ◽  
Author(s):  
Ruiyu Zhu ◽  
Xuejiao Hu ◽  
Kai Chen ◽  
Jie Dang ◽  
Xiujuan Wang ◽  
...  
Keyword(s):  
Carbon Nanospheres ◽  
Lithium Storage ◽  
Electrochemical Reactors ◽  
Storage Performance ◽  
Hollow Carbon

SiNDs@DSHC can effectively improve the lithium storage performance. Furthermore, in situ TEM was used to study the formation of SiNDs@DSHC.

A universal strategy for thein situsynthesis of TiO2(B) nanosheets on pristine carbon nanomaterials for high-rate lithium storage

2018 ◽  
Vol 6 (16) ◽  
pp. 7070-7079 ◽  
Author(s):  
Long Pan ◽  
Zheng-Wei Zhou ◽  
Yi-Tao Liu ◽  
Xu-Ming Xie
Keyword(s):  
Synergistic Effect ◽  
Lithium Ion Batteries ◽  
Anode Materials ◽  
Carbon Nanomaterials ◽  
Lithium Ion ◽  
High Energy ◽  
High Rate ◽  
Lithium Storage ◽  
Storage Performance

A universal strategy is proposed for thein situsynthesis of TiO2(B) nanosheets on pristine carbon nanomaterials. Benefiting from a remarkable synergistic effect, the resulting nanohybrids exhibit superior high-rate lithium storage performance. In this sense, our strategy may open the door to next-generation, high-power and high-energy anode materials for lithium-ion batteries.

In Situ Derivatization for Boosted Lithium Storage Performance of Fe 7 S 8 /C Hollow Nanospheres

ChemNanoMat ◽  
2019 ◽  
Vol 5 (10) ◽  
pp. 1324-1335 ◽  
Author(s):  
Lanxuan Dai ◽  
Dongmei Tang ◽  
Chao Shen ◽  
Yue Han ◽  
Xiaoyu Wu ◽  
...  
Keyword(s):  
Hollow Nanospheres ◽  
Lithium Storage ◽  
Storage Performance ◽  
In Situ Derivatization

Enhanced lithium storage performance of petaloid SnS2/NC composite anodes via facile hydrothermal and in situ N-doped carbon coating processes

Ionics ◽  
2020 ◽  
Vol 26 (7) ◽  
pp. 3333-3341
Author(s):  
Mengqiao Zhang ◽  
Chang Miao ◽  
Rui Fang ◽  
Rui Li ◽  
Haoyi Mou ◽  
...  
Keyword(s):  
Carbon Coating ◽  
Lithium Storage ◽  
Storage Performance ◽  
Composite Anodes

scholarly journals Robust and Fast Lithium Storage Enabled by Polypyrrole-Coated Nitrogen and Phosphorus Co-Doped Hollow Carbon Nanospheres for Lithium-Ion Capacitors

2021 ◽  
Vol 9 ◽  
Author(s):  
Mengdi Zhang ◽  
Xuan Zheng ◽  
Jiawei Mu ◽  
Pengfei Liu ◽  
Wenhan Yuan ◽  
...  
Keyword(s):  
High Power ◽  
Lithium Ion ◽  
High Energy ◽  
Cycling Stability ◽  
High Energy Density ◽  
Carbon Nanospheres ◽  
Nitrogen And Phosphorus ◽  
Lithium Storage ◽  
Hollow Carbon ◽  
Co Doped

Lithium-ion capacitors (LICs) have been proposed as an emerging technological innovation that integrates the advantages of lithium-ion batteries and supercapacitors. However, the high-power output of LICs still suffers from intractable challenges due to the sluggish reaction kinetics of battery-type anodes. Herein, polypyrrole-coated nitrogen and phosphorus co-doped hollow carbon nanospheres (NPHCS@PPy) were synthesized by a facile method and employed as anode materials for LICs. The unique hybrid architecture composed of porous hollow carbon nanospheres and PPy coating layer can expedite the mass/charge transport and enhance the structural stability during repetitive lithiation/delithiation process. The N and P dual doping plays a significant role on expanding the carbon layer spacing, enhancing electrode wettability, and increasing active sites for pseudocapacitive reactions. Benefiting from these merits, the NPHCS@PPy composite exhibits excellent lithium-storage performances including high rate capability and good cycling stability. Furthermore, a novel LIC device based on the NPHCS@PPy anode and the nitrogen-doped porous carbon cathode delivers a high energy density of 149 Wh kg−1 and a high power density of 22,500 W kg−1 as well as decent cycling stability with a capacity retention rate of 92% after 7,500 cycles. This work offers an applicable and alternative way for the development of high-performance LICs.

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