초록

본 연구에서는 고출력의 특성을 높이기 위하여 분자수준 시뮬레이션을 통하여 전극소재를 설계하고, 전극 내에서의 리튬이온의 이동 메커니즘을 규명한다. 최종적으로, 본 연구에서는 전산모사에 의한 분자제어를 통하여 리튬이온의 이동도 향상 및 셀룰로오스, 탄소나노튜브와 그래펜을 복합화하여 고출력의 탄소복합 음극 활물질을 개발하는 것을 목표로 한다.
(출처 : 보고서 요약서 3P)

Abstract ▼

Ⅱ. Purpose of research

● There have been much interest in eco-friendly vehicles (HEV, EV, and FCV), due to the rise in energy price and global environmental regulations. The high-power characteristics of a Li-ion rechargeable battery must be achieved with the top priority for the development

Ⅱ. Purpose of research

● There have been much interest in eco-friendly vehicles (HEV, EV, and FCV), due to the rise in energy price and global environmental regulations. The high-power characteristics of a Li-ion rechargeable battery must be achieved with the top priority for the development of eco-friendly electric vehicles.

● The atom-level mechanism on the Li-ion mobility within the electrode should be elucidated for the efficient development of new materials which show high-power characteristics.

● In addition, for the practical applications in industry, low cost and good processibility are required. Our goal is to fabricate new superb carbon electrodes using sustainable bio-resources, e.g. bacterial cellulose, and nano-sized materials such as carbon naotube and graphene, and to implement high-power lithium-ion rechargeable cells with the new materials based on solid theoretical grounds.

Ⅲ. Research contents and range

● The objective of this proposal is to develop new superb carbon anode materials of high power Li-ion rechargeable battery for the realization of low carbon society and green industrialization.

● First stage: To enhance the Li-ion mobility at the anode interface through atomistic simulation, and to implement superb carbon composite materials for high-power Li-ion battery
① Synthesis of inorganic nano-material candidates for high-power Li-ion battery anodes based on the atomistic quantum and classical simulations
② Management of the interactions between carbon nanomaterials and lithium ions on a molecular level by using task-specific ionic liquids
③ Preparation of activated carbon with optimized a ordered pore structure and establish production of activated carbon with controled structure
④ Development of synthetic method for particle-type Si, Sn/graphene composite materials using large-scale synthesis of graphene

● Second stage: To develop high-power Li-ion battery anode, synthesis of carbon composite materials by controlling nanostructure and functionalizing the interface of anode materials
⑤ Preparation of reformed carbon/inorganic nanocomposite for both high-power and high-density characteristics using the kinetic analysis and molecule-level control
⑥ Controlling electrochemical and physical properties of carbon nanomaterials by nanohybridization of ionic liquids
⑦ Preparation of carbon composite by incorporating CNT and graphene in the activated carbon and graphitization of the activated carbon by iodine treatment
⑧ Development of synthetic method for tube or core/shell-type Si, Sn/graphene composite materials

● Third stage: Accomplishment of practical full cell with reversible capacity, safety, and cycle life that satisfied needs for high-power industrial applications.
⑨ Experiment full cell performance of carbon/inorganic metal nanocomposite
⑩ Spectroscopical analysis of carbon nanocomposite and their characterization of electrochemical and physical properties
⑪ Preparation of high performance electrodes by evaluation of electro-chemical performances
⑫ Full-cell test for the optimized Si, Sn/graphene composite materials

Ⅴ. Expected contribution

● Obtain the core-technology of energy storage materials for "low carbon-emission growth technology“

● Energy technologies may resolve the environmental pollution and regional conflicts are directly related to the survival of the country, thus over the world many countries embarked on the development new technology. Korea, especially, is the lack of fossil resources, and renewable energy technologies with high efficiency are indispensable.

● Demand for lithium-ion batteries are expected to explosively grow further in future. Therefore, it is very important to develop high-power electrodes and secure related original technology.

● Currently we have the world's leading technology in ter field of shipbuilding, memory chips, LCD, securing original technogies will enable us to the world best even in the field of next-generation lithium-ion battery market over the world.

● Secure original technology on both the environmental problem and national competitiveness by developing superb carbon electrode

● The market of only secondary battery is now over 300,000 billion dollar and the whole market including another energy fields, automobile and aircraft industries is beyond imagination

● This technology will envision broad and important impacts on electrochemical systems such as supercapacitors, fuel cells, and biosensors as well as on high profit areas for future industry
(출처 : Summary 6P)

목차 Contents

• 표지 ... 1제 출 문 ... 2보고서 요약서 ... 3요 약 문 ... 4Summary ... 6CONTENTS ... 8목차 ... 9제1장 연구개발과제의 개요 ... 10 제1절 연구 목표 및 세부내용에 대한 기술 ... 11 제2절 연구개발의 중요성 및 필요성 ... 14 제3절 단계·연차別 연구개발의 추진전략 및 방법 ... 18제2장 국내외 기술개발 현황 ... 28 제1절 1단계, 2010∼2012年 기술개발 현황 ... 28 제2절 2, 3단계, 2012∼2016年 기술개발 현황 ... 35제3장 연구개발수행 내용 및 결과 ... 50 제1절 연구진행 현황 요약 ... 50 제2절 연구개발 수행 내용 및 결과 ... 52 제3절 연구개발 성과 ... 214제4장 목표달성도 및 관련분야에의 기여도 ... 215 제1절 목표달성도에 대한 기술 ... 215 제2절 관련분야에의 기여도에 대한 기술 ... 219제5장 연구개발성과의 활용 계획 ... 221 제1절 활용계획 세부내용 ... 221제6장 연구개발과정에서 수집한 해외과학기술정보 ... 225제7장 연구시설·장비 현황 ... 229끝페이지 ... 229