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生物通
1月
基于软物质巨磁弹性效应的环境声能采集技术 - 生物通
来自某研究团队的研究人员针对环境声能(如语音、音乐)回收效率低的难题,开发了基于软物质巨磁弹性效应(giant magnetoelastic effect)的声能采集器。该柔性发电机通过磁弹性耦合与喷涂磁预取向技术,实现了宽频段(0-900 Hz)声能向电能的高效转化,短路电流密度达98 μA cm?2(内阻300 Ω),性能 ...
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