报告题目(中文)：向碳中和的材料科学
报告题目(英文)：Material Science toward achieving Carbon Neutrality
报告内容简介：Growing global energy demand and exhaustion of fossil fuels are gradually becoming a big concern for all the people on the Earth. it is important to establish hydrogen utilization technology as a countermeasure against long-term fluctuations in renewable energy. Meanwhile, in order to achieve carbon neutrality, it is impossible to avoid the development of high-performance secondary batteries and the establishment of a hydrogen-utilizing society.
Our group has so far focused on various kind of metal hydrides and focused on exploring their functions to solve the above problems. On the other hand, as characteristic properties related to hydrogen gas, not only for high capacity hydrogen storage but also for obtaining high pressure H2, producing heat by control of H2 pressure, and absorbing NH3 with relatively low pressure, we focused on various kinds of hydrides related materials, such as MgH2, TiFe intermetallic compound, TiH2, and LiBH4. And then, for high performance properties, “nano-composite techniques” played an important role. Of course, material modification to achieve required performance can only be accelerated by precise and accurate characterizations based on materials science. Moreover, the synthesis of hydrogen gas from renewable energies is also quite important technology to be developed with a reasonable cost (in Japan, target cost for hydrogen production is about 2 USD/kg). To achieve this economic requirement, thermochemical method to produce hydrogen is attracting a significant attention. And some suitable way to control this promising reaction would be demonstrated.
日益增长的全球能源需求和化石燃料的枯竭正逐渐成为地球上所有人关心的一个大问题。建立氢利用技术是应对可再生能源长期波动的重要对策。同时，为了实现碳中和，必须发展高性能二次电池，建立氢利用社会。
我们课题组目前主要研究各种金属氢化物，探索其不同功能来解决上述问题。重点研究了MgH2、TiFe、TiH2、LiBH4等不同种类的储氢材料。这些储氢材料不仅可以用于高容量储氢，而且可以获得高压H2，通过控制H2压力产生热量，以及在相对较低的压力下吸收NH3等。 “纳米复合技术”被用于获得高性能储氢材料，而基于材料科学的精准表征为加速材料改性以达到所需的性能提供了重要支撑。此外，利用可再生能源合成氢气也是一项非常重要的技术，而且成本必须合理(在日本，制氢的目标成本约为2美元/公斤)。为了达到这一经济要求，热化学制氢方法引起了人们的极大关注，我们也提供了一些控制该反应的合适方法。
报告人姓名：Takayuki Ichikawa
报告人简介(中文)：市川贵之现任广岛大学高级科学与工程研究生院教授，学术-科学研究中心主任。他的研究主要集中在金属和非金属的固态储氢材料、锂离子电池、氨储存材料和热化学制氢。发表论文250余篇，总引用6200余次。
报告人简介(英文)：Takayuki Ichikawa is currently a professor at graduate school of advanced science of Hiroshima University and head of academic-ESG science and technology research Center.His research focuses on solid state hydrogen storage materials in metallic and non-metallic states, Li-ion batteries,ammonia storage materials, and thermo chemical hydrogen production. The number of his publication is about 250, and total citation is over 6200.
报告人单位(中文)：日本广岛大学
报告人单位(英文)：Hiroshima University, JP
报告时间：2023-09-14 14:30
报告地点：020资讯网菠菜东区8号楼508会议室
主办单位：020资讯网菠菜材料学院 省部共建高品质特殊钢冶金与制备国家重点实验室
联系人：冷海燕
