SBIR Phase I: Improved Carbon Electrodes for Ultracapacitors

这个小企业创新研究第一阶段项目的目标是制备一种基于碳电极的改进的超级电容器。超级电容器由于其高充放电速率，成为电动汽车负载均衡电源的首选。决定碳基超级电容器功率和能量密度的最重要参数是电解液的表面积，这主要是由孔径分布决定的。主要的性能问题是毛孔太小，电解液无法进入。TDA研究公司（TDA）已经开发了一种方法来制备具有正确孔径分布的单片多孔碳，用于超级电容器。该工艺比以前的方法简单得多，并且使用低成本的原料和加工步骤，大大降低了生产成本。这些改进的结合将使我们能够达到成本/性能目标，使超级电容器成为商业上可行的电源。在第一阶段，TDA将在桑迪亚国家实验室（Sandia）电源小组的协助下，准备电池，以评估新材料可达到的功率和能量密度，并估计其大规模生产的成本。除了用作电动汽车的负载均衡电源外，改进的超级电容器在当前市场（计算器、手表和电动剃须刀）、新兴通信市场（蜂窝电话和数字通信器）和优质电力市场（清洁电源/过滤器和不间断电源）中更具成本效益。？<s:2> _Á¥→╣%% Á¥Á→？┐╝,?┴%┤AA ?Â¥©Á©Á？_Á？╣¥¢Á流星Á%？║_A¥/ % /¢║一│¥¢

This Small Business Innovation Research Phase I project's objective is to prepare an improved ultracapacitors based on carbon electrodes. Ultracapacitors, because of their high rate of charge and discharge, are prime candidates for use as the load-leveling power source in electric vehicles. The most important parameter in determining the power and energy density of a carbon-based ultracapacitor is the amount of surface area accessible to the electrolyte, which is primarily determined by the pore size distribution. The major performance problem is pores that are too small for electrolyte access. TDA Research, Inc. (TDA) has developed methods to prepare monolithic porous carbons with the correct pore size distribution for use in ultracapacitors. This process is considerably simpler than previous methods and uses low-cost feedstocks and processing steps, which greatly lowers the production cost. This combination of improvements should allow us to attain the cost/performance targets that will make ultracapacitors commercially viable power sources. In Phase 1, TDA, with the assistance of the Power Sources Group at Sandia National Laboratories (Sandia), will prepare cells to evaluate the power and energy densities attainable with the new materials, and estimate their cost in large scale production. In addition to use as the load-leveling power source in electric vehicles, improved ultracapacitors would be more cost effective in current markets (calculators, watches and electric razors), emerging communications markets (cellular telephones and digital communicators) and premium power markets (clean power/filters and uninterrupted power sources). ?║_Á¥ ┴╣%% Á┬¥Á┤ ?┐╝ ,?┴%Á┤ÀÁ ? ¥©Á ║©Á?_Á? ╣ ╣¥¢ ┤Á└Á%?║_Á¥/% /¢║Á│¥¢