英国曼彻斯特大都会大学和切斯特大学和中国中部南大学的合作研究表明，基于石墨烯的PLA用来制造储能设备。该研究证明了一种更简单，更便宜的方法来制作可充电电池的生存能力，可用于存储可再生能源。
充电电池的动画示意图。剪辑通过莱利·森帕（Riley Senpai）在YouTube上
可充电电池 - 它们如何工作？
A Lithium-ion battery (also known as a Li-ion battery) is the removable power pack often found in digital cameras, UAV’s and phones for example. The battery is composed of a positive electrode (seen left in the image below), and a negative electrode (seen on the right).
当动力时，阳性锂离子自然会被另一侧的负离子吸引，然后移动到它。
最终，负电极被正离子变得如此饱和，以至于它不再适合它，因此电池充满了充电。
To recharge, an electric current is passed through the current collectors to force the positive electrodes back to the other side.
A simpler solution
The 3D printed disc electrodes demonstrated in this paper simplify this Li-ion setup as they don’t require a current collector. They also don’t require further post production or curing after printing.
3D disc electrodes (3DEs) are 3D printed in graphene lacedBlackMagic3D filament from Graphene 3D Lab Inc.
这些3D构成了独立阳极的一层。
Once pieced together, the freestanding anodes are successfully used inside Li-ion batteries.
The anodes are also evaluated for their ability to produce hydrogen, a process typically performed by expensive platinum electrodes. Though incapable of producing the gas as efficiently as platinum, a 3DE shows“unexpectedly high catalytic activity”in the hydrogen evolution reaction (HER) process.
The study notes,
In terms of this 3DE being used as a Li-ion anode and a solid-state supercapacitor the authors understand that the output is not highly competitive with current literature, however one must consider that in reality this anode/supercapacitor is comprised of only 8% graphene and 92% thermoplastic (PLA), and yet, still works as a battery anode/supercapacitor material! It should be noted that future work will examine a range of percentages and bespoke architectural structures.
3D打印石墨烯基储能设备由克里斯托弗·W·福斯特（Christopher W. Foster），迈克尔·P·唐（Michael P.这项研究是开放访问，自然界在科学报告中发表。
为什么要生产不同的电池？
随着可再生能源的使用to grow, there is a heightened demand for a means to store that generated power. Having more flexibility with the design and the materials used in batteries enhances the overall sustainability of renewable energy as a possibility.
Microbatteries, for use in minute devices,哈佛大学的詹妮弗·刘易斯研究小组也已将3D纳米刺破。为了保持最新的3D印刷石墨烯研究，注册3D打印行业新闻通讯, and关注我们活跃的社交媒体渠道。
Featured image shows a pride of Li-ion rechargeable batteries for Canon cameras. Photo by Rob Brewer, rbrwr on Flickr
