自然杂志
自然雜誌
자연잡지
CHINESE JOURNAL OF NATURE
2014年
1期
42-50
,共9页
胡志宇%罗希%林聪%曹毅
鬍誌宇%囉希%林聰%曹毅
호지우%라희%림총%조의
室温催化燃烧%纳米尺度热机%纳米催化%热电材料%MEMS技术
室溫催化燃燒%納米呎度熱機%納米催化%熱電材料%MEMS技術
실온최화연소%납미척도열궤%납미최화%열전재료%MEMS기술
room temperature catalytic combustion%nano-scale heat engine%nano-catalysis%thermoelectric material%micro-electromechanical systems technology
随着社会的发展,世界能源消耗的增长与资源匮乏之间的矛盾日趋尖锐,因此传统能源利用技术的革新成为备受关注的问题。纳能源技术是采用纳米材料、纳微加工等高新技术手段发展出来的一种全新的能源技术,其有可能完全突破传统的宏观尺度能源系统(如内燃机等)所面临的低能效、高污染、大体积等一系列难以克服的原理性技术困难。上海大学纳微能源研究所作为一个多学科交叉平台,利用其交叉学科的优势,提出纳米尺度热机的概念,将微机电系统(microelectromechanical systems, MEMS)技术制备的传统微型热电器件与催化燃烧相结合,在纳米尺度下催化剂将化学能高效地转化为热能,形成局部温度差,再结合热电器件,在提高催化剂活性和稳定性的同时能够将所得热能转化为电能,实现其在微型电源领域的应用。
隨著社會的髮展,世界能源消耗的增長與資源匱乏之間的矛盾日趨尖銳,因此傳統能源利用技術的革新成為備受關註的問題。納能源技術是採用納米材料、納微加工等高新技術手段髮展齣來的一種全新的能源技術,其有可能完全突破傳統的宏觀呎度能源繫統(如內燃機等)所麵臨的低能效、高汙染、大體積等一繫列難以剋服的原理性技術睏難。上海大學納微能源研究所作為一箇多學科交扠平檯,利用其交扠學科的優勢,提齣納米呎度熱機的概唸,將微機電繫統(microelectromechanical systems, MEMS)技術製備的傳統微型熱電器件與催化燃燒相結閤,在納米呎度下催化劑將化學能高效地轉化為熱能,形成跼部溫度差,再結閤熱電器件,在提高催化劑活性和穩定性的同時能夠將所得熱能轉化為電能,實現其在微型電源領域的應用。
수착사회적발전,세계능원소모적증장여자원궤핍지간적모순일추첨예,인차전통능원이용기술적혁신성위비수관주적문제。납능원기술시채용납미재료、납미가공등고신기술수단발전출래적일충전신적능원기술,기유가능완전돌파전통적굉관척도능원계통(여내연궤등)소면림적저능효、고오염、대체적등일계렬난이극복적원이성기술곤난。상해대학납미능원연구소작위일개다학과교차평태,이용기교차학과적우세,제출납미척도열궤적개념,장미궤전계통(microelectromechanical systems, MEMS)기술제비적전통미형열전기건여최화연소상결합,재납미척도하최화제장화학능고효지전화위열능,형성국부온도차,재결합열전기건,재제고최화제활성화은정성적동시능구장소득열능전화위전능,실현기재미형전원영역적응용。
With the development of the society, the contradiction between the consumption and scarcity of energy resources became more acute, which led to the great attention to the innovation of utilization technology of traditional energy resources. Nano energy technology, a new kind of energy technology combining advanced technologies such as nano-materials and nano-micro machining, has great potential to achieve a breakthrough in the field of energy, since the tradition macro scale energy system (e.g., internal combustion engine ) is facing intrinsic technical problems including low efficiency, high pollution, large size, etc. INME (Institute of NanoMicroEnergy) in Shanghai University, taking the advantage of being a interdisciplinary plateform, proposes to integrate the traditional micro-thermoelectric devices fabricated by MEMS techology along with catalysis combustion that converting chemical energy to electric energy. Thus a nano-salce heat engine is obtained. The expected benefits include improving both the catalytic activity and stability of the combustion catalyst and converting the heat from catalytic reaction into electric.