초록 ▼

○ 새로운 화학구조 및 상온화학증착기술에 의한 복합재료 자기완화형 이차전지 전극소재개발
○ 탄성이 있는 나노카본층이 코팅된 생체모방형 전지 및 인공 Solid Electrolyte Intraphase 형성기술
○ 기능성 계면코팅기술을 이용한 양극표면개질 기술개발
○ 응력분산구조의 다원계 전극 형성 및 적용: 3차원 기공구조에 conformal coating, 충방전시 구조 분석, 가역용량 및 보존용량 최적화
○ 디자이너 생체소재 템플레이트를 이용한 복합 산화물 나노입자 형성 및 고차원 나노구조체 제작기술은 제

○ 새로운 화학구조 및 상온화학증착기술에 의한 복합재료 자기완화형 이차전지 전극소재개발
○ 탄성이 있는 나노카본층이 코팅된 생체모방형 전지 및 인공 Solid Electrolyte Intraphase 형성기술
○ 기능성 계면코팅기술을 이용한 양극표면개질 기술개발
○ 응력분산구조의 다원계 전극 형성 및 적용: 3차원 기공구조에 conformal coating, 충방전시 구조 분석, 가역용량 및 보존용량 최적화
○ 디자이너 생체소재 템플레이트를 이용한 복합 산화물 나노입자 형성 및 고차원 나노구조체 제작기술은 제작과정이 간단하면서도 대면적화가 용이하며 기술공정의 요구단가가 낮아서, 2차전지용 전극 소재에의 적용
○ 4V급 양전극 제조기술개발:
- 방전전압 >4.0V, 초기방전용량 >185mAh/g, 분해온도 >270℃, 500싸이클후(@1C) >87%
○ 다원계 자기완화형구조 음전극 소재기술개발:
- 초기효율 >92%, 초기방전용량 >1,100mAh/g, 1000싸이클후(@ DOD 30%) >90%, 전극 부피 팽창율 <120%SOC100%, 계면저항 R_ct <50 Ω.cm², DLi+_Li+ >10^-9 cm²s^-1


(출처 : 보고서 요약서 5P)

Abstract ▼

Purpose
○ Developing the fabrication technology of novel-type electrode (anode and cathode) active materials for Lithium-Ion Batteries (LIBs) based on the self-relaxation material structure which can suppressing the significant volume expansion/contraction changes of the anode active material and

Purpose
○ Developing the fabrication technology of novel-type electrode (anode and cathode) active materials for Lithium-Ion Batteries (LIBs) based on the self-relaxation material structure which can suppressing the significant volume expansion/contraction changes of the anode active material and dissolution of the cathode active material into the electrolyte caused by insertion/extraction of Li+ions during lithiation/de-lithiation process. Further, ensuring significantly-enhanced of the initial coulombic efficiency (CE) and cycling performance
○ Designing a highly conductive and morphological-controlled Si-based anode active material which are novel-type electrode materials and bears functional interface, and developing unit cell fundamental technology using the novel-type of Si-based materials.
○ Developing the three-dimensional (3D) porous carbon structures and their application to the electrode active materials for LIBs application to enhance the capacity and also effectively release structural distortion during the chargingand discharging process.
○ Developing the fabrication technology of the electro active cathode materials via nano-coating electrode surface with well-structured carbon layer (or metal oxide) using chemical reaction at ambient condition.
○ Producing the elaborately structured nanocomplexed oxide-based materials in a large scale and employing the self-assembly- based bio/organic templating approach.

Contents
○ Development of the electrode active materials equipped with self-relaxation material structure under repeated charging/discharging process :
. Suppress the volume expansion/contraction changes of the Si-based and Sn-based anode active material for LIBs using radio frequency - plasma-assisted thermal evaporator (RF-PATE) system.
. Suppress the side reaction between anode active material and the electrolyte contained salt material via surface coating of the anode active material for LIBs using radio frequency - plasma-assisted thermal evaporator (RF-PATE) system.
○ The development of interface technology for 3-dimensional nano-composite structure :
. Control technology for bundle-type nano-rod structure at electrode interface.
. Control of interface morphology of silicon anodes by electroless etching method.
. Control of functional group density on electrode surface.
. Fixation of nano-metal particle at specific site via self-assembly & etching technique
○ The development of the electrode materials having high electrical and ionic conductivity :
. Development of high-rate-type energy-storing electrode.
. Synthesis of nano-scale electrode materials having high electrical and ionic conductivity using plasma spray processing technique.
. Surface modification technique for the stable electrode under high cut-off voltage.
. Electrochemical characterization techniques.
○ Development of the technique for surface interface characteristics for the stable electrode under high cut-off voltage :
. Surface coating technique using electron cyclotron resonance-metal organic chemical vapor deposition (ECR-MOCVD)
. Formation of artificial solid-electrolyte interphase (SEI) layer using RF-PATE system and the formation of polymerized fullerene having regular pore structure.
. Conformal coating technique for dielectric or metal oxide thin films on 3-dimensional interface.
○ Engineering and self-assembly of biomaterials for peptides, viruses, and biopolymers, synthesis of oxide nanomaterials based on biotemplating approaches, and multiscale & hierarchical structure control over nanostructured electrodes.

Expected Contribution
○ The Utilization of super-capacitive energy storage cell equipped with self-relaxing structure as a direct energy source for next-generation industries, e.g., dispersive electric generation, various mobile devices (such as cellular phone and notebook), and miniaturized ubiquitous device.
○ The utilization of this research results for the various industrial area ranging from the anode materials to the portable devices, electric vehicles, mass energy storage devices in lithium ion battery applications
○ Surface coating of nano-porous carbon nano-composites onto mono- or multiple layered electrode enables for selective transmission of Li ions, which can result in highly-enhanced stability of battery cell by reducing irreversibility of electrochemical reaction and inhibiting precipitation and growth of reactive Li metals.
○ Manufacture of the performance-adjustable electrode materials with heterarchy structure simply from a facile processing technology, which can ignite the growth of energy material and informational industries, as well as the attainment of highly efficient electrode of energy storage.
○ The extension of the nano-coating-related research to the area such as electrodes for the high performance PDA devices, medical products, and painting products. Also, carbon materials with 3-dimensional connecting networks can be utilized for the next generation electrode materials with high capacity, and high energy density.


(출처 : SUMMARY 9P)

목차 Contents

• 표지 ... 1
• 제 출 문 ... 2
• 보고서 요약서 ... 5
• 요 약 문 ... 6
• SUMMARY ... 9
• Contents ... 11
• 목차 ... 13
• 제 1 장 연구개발과제의 개요 ... 18
• 제 1 절 연구개발의 목적 ... 18
• 제 2 절 연구개발의 필요성 ... 18
• 1. 기술적 측면 ... 18
• 2. 경제·산업적 측면 ... 20
• 3. 사회·문화적 측면 ... 20
• 제 3 절 연구개발의 범위 ... 21
• 제 4 절 연구개발 목표 ... 21
• 1. 1단계 연구개발 목표(2010-2011) ... 21
• 2. 2단계 연구개발 목표(2012-2013) ... 21
• 3. 3단계 연구개발 목표(2014-2015) ... 22
• 제 2 장 국내·외 기술개발 현황 ... 23
• 제 1 절 국내 기술개발 현황 ... 23
• 제 2 절 국외 기술개발 현황 ... 24
• 제 3 장 연구개발수행 내용 및 결과 ... 27
• 제 1 절 연구개발 내용 ... 27
• 1. 1단계 연구개발 내용 ... 27
• 2. 2단계 연구개발 내용 ... 28
• 3. 3단계 연구개발 내용 ... 28
• 제 2 절 단계별 연구과제 구성 및 연구개발 추진전략 ... 29
• 1. 1단계 연구과제 구성 및 연구개발 추진전략 ... 29
• 2. 2단계 연구과제 구성 및 연구개발 추진전략 ... 29
• 3. 3단계 연구과제 구성 및 연구개발 추진전략 ... 33
• 제 3 절 연구개발 결과 ... 37
• 1. 1단계 연구개발 결과 ... 37
• 2. 2단계 연구개발 결과 ... 116
• 3. 3 단계 연구개발 결과 ... 189
• 제 4 장 목표달성도 및 관련분야에의 기여도 ... 318
• 제 1 절 단계별 목표 달성도 ... 318
• 1. 1단계 목표 달성도 ... 318
• 2. 2단계 목표 달성도 ... 320
• 3. 3단계 목표 달성도 ... 321
• 제 2 절 관련분야에의 기여도 ... 322
• 제 5장 연구개발성과의 활용계획 ... 323
• 제 1절 활용계획 ... 323
• 제 2절 파급효과 ... 323
• 제 6장 연구개발과정에서 수집한 해외과학기술정보 ... 324
• 제 7장 연구시설･장비 현황 ... 325
• 제 8 장 참고문헌 ... 327
• 끝페이지 ... 328