[보고서]에너지 저장/전환 효율을 혁신하기 위한 새로운 소재의 설계 및 공정개발

양갑승

보고서 정보

주관연구기관

전남대학교 산학협력단
Chonnam National University

연구책임자

양갑승

참여연구자

이완진 , 이병택 , 우희권 , 김융암 , 배현종 , 조성준 , 홍창국 , 윤현석

보고서유형

3단계보고서

발행국가

대한민국

언어

한국어

발행년월

2015-08

과제시작연도

2014

주관부처

미래창조과학부
Ministry of Science, ICT and Future Planning

등록번호

TRKO201700009184

과제고유번호

1711015654

사업명

글로벌연구실사업

DB 구축일자

2017-11-13

키워드

탄소나노섬유.미세구조.슈퍼커패시터.음극재.촉매지지체.Carbon nanofiber.Microstructure.Supercapacitor.Anode.Catalyst Support.

DOI

https://doi.org/10.23000/TRKO201700009184

표 Trend of patent application by country and year.
표 Status of research production technologies of electro-spun nanofibers
표 Number of patent applications (register) of carbon based electrode materials for high energy density
표 Supercapacitor performances developed in domestic companies (September, 2012)
표 Specific capacity of various active anode materials for Li ion battery
표 The distributions of the domestic battery related companies
표 Number of patents of innovative carbon materials
표 Part materials of ultr-supercapcitor for energy density innovations
표 a) CSR Low-floor Supercapacitor Tram [2], b) Supercapacitor Bus
표 Specifications of the CSR low-floor supercapacitor tram [3]
표 Supercapacitor specifications loaded in the tram
표 Market trend of secondary battery
표 Performance comparisons between Li4Ti5O12, TiO2, and graphite anode electrode
표 Development trend of new model of Li secondary battery
표 Characteristics of BMW i3.
표 연구 단계별 성과 종합 (2006. 12. ~ 2015. 7.)
표 The relationship between fiber diameter and specific surface area
표 a) The volumetric concentration vs. aspect ratio , b) Power vs. energy relationship of the particle and fibrous shape electrodes[5]
표 The platform technologies developed from electrospun CNFs
표 Preparation procedure of TiO /CCNF2
표 SEM images of (a) electrospun PAN based nanofiber, (b) electrospun PAN/graphene based nanofiber, (c) TiO2–CNF, (d) TiO2–CCNF
표 TEM image of the TiO2–CCNF hybrids. (b) SAED patterns of the TiO2 nanostructures. (c) Elemental mapping of the individual TiO2–CCNF hybrids
표 XRD patterns of the (a) TiO2–CCNF and (b) TiO /CNF2
표 Photoluminescence spectra of (a) TiO /CCNF (b) TiO /CNF (c) CNF2 2
표 (a) Photocatalytic degradation of MB monitored as the concentration change versus irradiation time (inset: average reaction rate constant (min-1) for the photodegradation of MB with free TiO2). (b) Photocatalytic activity of the TiO2–CCNF
표 Schematic illustration of photocatalysis with TiO2–CCNF hybrids.
표 Charge storage mechanism in electric double layer capacitor.
표 Electrode preparation process
표 Preparations and characterization of carbon nano-fiber composites for
표 Preparation procedure of PAN/pitch based CNF
표 (a) PAN–pitch–solvent ternary phase diagram. (b) Photograph showing a bendable CNFs. (c) SEM image of CNFs. (d) TEM image of CNFs. (e) EDX spectroscopy of air-stabilized nanofibers. (f) TEM of a CNFs thermally treated up to 2800 ◦C in argon.
표 Pore characteristics and electrical conductivity of PAN/pitch based CNFs.
표 (a) Nitrogen adsorption isotherms of the pure PAN- and the PAN/pitch-derived CNFs as a function of pitch concentration in THF and (b) pore size distribution calculated by the DFT method. Note that the blend ratio of PAN/pitch is constant at 7/3.
표 STM images of PAN/pitch-derived CNFs (a) 20, (b) 30, (c) 40 wt.% pitch concentration, and (d) PAN-based CNF; high magnified STM images of (a –d) PAN/pitch-derived CNFs (e) 20, (f) 30, (g) 40, (h) 50 wt.% pitch concentration in THF
표 (a) CVs in the range of 0–1.0 V obtained using a scan rate of 25 mV s−1. (b) Complex-plane impedance plots. (c) Specific capacitances as a function of current density. (d) Ragone plots. (Note that value indicates the pitch concentration dissolved in THF.)
표 Preparation method of hierarchical porous CNFs
표 FE-SEM images showing the morphology of the (a) PG800, (b) PMG800, (c) PMG1000, and (d) APMG800 electrodes. The inset shows the cross-sectional field-emission SEM image. High-resolution TEM images of (e) PMG800 and (f) APMG800 electrodes show hollow cores developed linearly along the fiber length.
표 (a) Nitrogen adsorption isotherms at 77K, (b) differential pore volume of hierarchical porous CNFs as a function of the pore diameter. The inset shows a MP plots.
표 CV and specific capacitance of activated porous CNFs. (a) APG800CNFs and (b) APMG800 CNFs in 1.5M TEABF4 in AN at different scan rates. Arrows indicate the trend of CV with decreasing scan rates (from 10 to 100 mVs−1).
표 The variation of specific capacitance for 100 cycles of the PMG800 and PMG1000 CNFs at a constant current density of 1mAcm−2 in 6MKOH aqueous electrolyte.
표 Preparation proceure for porous CNFs
표 SEM images and fiber diameter distribution of CNF composites produced at various carbonization temperatures: (a) Si/CNF-800, (b) Si/CNF-900 and (c) Si/CNF-1000
표 (a) TGA and (b) DSC data of TEOS-incorporated PAN nanofibers
표 (a) Nitrogen adsorption isotherms of Si/CNF composites as a function of the carbonization temperature. (b) Surface characterization, (c) Pore size distribution according to the DFT method, (d) The current–voltage profiles of single carbon nanofibers in the range from −1.0 to 1.0 V.
표 Electrochemical behaviors of TEOS/PAN based carbbon composite nanofiber in 6M KOH electrolyte; a) CV (b) Complex-plane impedance plots (c) capacitance (d) Ragone plots
표 Preparation procedure of high efficency super capacitor electrode od (Si-O-C) containing porous CNF
표 (a) The physical properties of the spinning solution at 20 ◦C, and FE-SEM images showing (b) CCNF-5, (c) CCNF-10, and (d) CCNF-30. (e) The corresponding elemental mapping. (f) Highly magnified SEM image and EDX data of spots on an individual fiber.
표 Pore characteristics and electrical conductivity of the electrode
표 (a) Wide-scan XPS spectrum of CCNF-10, (b) Deconvolution of Si 2p core levels of CCNF-10, (c) FTIR spectra of CNF and CCNF-10, (d) AFM image of CCNF-10 and depth profile of the line of interest on the CCNF sheet.
표 (a) Raman spectra of CCNF-10, (b) XRD peaks of various CCNFs, (c) interlayer spacing d0 0 2, crystalline width La and the R, and (d) TGA of CCNFs in air.
표 Experimental procedure for preparation of porous carbon nanofi4ers.
표 Decomposition rate of PAN and PT in various gases.
$Pore structure analysis of PAN and PT activated with steam, a) N2 isotherm, b) BET specific surface area, c) total pore volume and fraction and d) BJH pore size distribution and inset figure of micropore distribution.$ 표 Pore structure analysis of PAN and PT activated with steam, a) N2 isotherm, b) BET specific surface area, c) total pore volume and fraction and d) BJH pore size distribution and inset figure of micropore distribution.
표 Pore characteristics of PAN and PT based nanofibers activated with CO2; a) specific surface area, b) pore volume, c) MP plot of CO2 activated PAN and d) MP plot of CO2 activated PT.
표 Characteristics of electrolytes used for electrochemical tests
표 Conditions of electrochemical measurements.
표 Electrochemical behaviors samples of activated with CO2 at 10 mV/s cyclic voltammetry of a) PAN based, b) PT based, c) charge/discharge curves at various current densities and d) Ragone plot of CO2 activated PCNFs.
표 Electrochemical behaviors of the electrodes in Ionic liquid (EMIm-TFSI, 3.5V)
표 Average micropore diameter vs. normalized capacitance and rate properties in 6M KOH
표 Average micropore diameter vs. normalized capacitance in EMI-TFSI
표 The fabricating process of SnOx-embedded carbon nanofibers (SnOx/CNFs).
표 SEM images of pure SnO2 and SnOx/CNFs with various temperatures: (a) pure SnO2, (b) SnOx/CNF-700, (c) SnOx/CNF-800, and (d) SnOx/CNF-900.
표 XRD patterns of pure SnO , SnOx/CNFs with various temperatures
표 Voltage profiles of pure SnO2 and SnOx/CNFs with various temperatures in 1 M LiPF6/EC/DMC at 0.5 mA cm-2 current density: (a) pure SnO2, (b) SnOx/CNF-700, © SnOx/CNF-800, and (d) SnOx/CNF-900.
표 Discharge capacity and coulomb efficiency vs. cycle number of pure SnO2, and SnOx/CNFs with various temperatures at 0.5 mA cm2 current density in 1 M LiPF6/EC/DMC.
표 Schematic of morphological changes of SnOx/CNFs after cycling.
표 The fabricating process of CuO/CNF. The process of Cu2(NO3)(OH)3 deposition on the surface of CNF through a facile EPD method.
표 SEM images for (a) CuO, (b-c) CNF, and (d-e) CuO/CNF.
표 N2 sorption isotherms and pore size distribution of CNF, CuO and CuO/CNF.
표 (a) Cycle performance of CNF, CuO, and CuO/CNF at 100 mA g–1, and (b) capacity retention of CuO/CNF at 1000 mA g–1 in 1 M LiPF6/EC/DMC.
표 Rate performance of CuO/CNF at various current densities from 100 to 1000 mA g–1.
표 Graphene-wrapped silicon nanoparticles as a Li-ion battery anode
표 SEM images of (a) amine-functionalized Si NPs and (b) G/Si composites, TEM images of G/Si composites of (c) low and (d) high magnifications.
표 TEM images showing (a) 10-GSP, (b) 20-GSP, and (c) 20-SP, and (d) SAED of 10-GSP.
표 Experimental condition of electrochemical test
표 Electrochemical performances
표 Discharge capacity and coulombic efficiency vs. cycle number of the Si NPs and ground 20-GSP electrodes at 100 mA gꠗ1 current density in 1 M LiPF6/EC/DMC.
표 Top view SEM images of (a) 20-GSP, and (b) Si NPs before cycling; and of (c) 20-GSP, and (d) Si NPs after the 100th cycle. The insets show the cross-sectional SEM images.
표 (a) SEM of densified electrospun CNF and (b) regularly electrospun CNF
표 Volumetric density of the CNFs heat-treated at 800 ℃
표 Electrical conductivity of the CNFs
표 Comparisons of cell performances of the Chip types between commercial product (Nippon Graphite Co) and CNFs
표 Pouch type supercapacitor and its capacitance of 1000 cycles in 6M KOH
표 Applications of CNFs
표 Applications of supercapacitor
표 Scheme of next research stage
표 Nano materials for super capacitor electrodes
표 Preparation procedure of electrodes of EDLC
표 The power and energy density of electrode prepared from three different kinds of polmers
표 Power and energy densities of PAN and PAN-ABC
표 SEM Images: PANI Nanofibers
표 Hydrogen sorption study using PANI samples synthesized with sucrose

과제명(ProjectTitle) :	-
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연구목표(Goal) :	-
연구내용(Abstract) :	-
기대효과(Effect) :	-

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에너지 저장/전환 효율을 혁신하기 위한 새로운 소재의 설계 및 공정개발
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