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Advance in energy storage could speed up development of next-gen electronics

Date:
February 19, 2014
Source:
American Chemical Society
Summary:
Electronics are getting smaller all the time, but there's a limit to how tiny they can get with today's materials. Researchers now say, however, that they have developed a way to shrink capacitors -- key components that store energy -- even further, which could accelerate the development of more compact, high-performance next-gen devices.

Electronics are getting smaller all the time, but there's a limit to how tiny they can get with today's materials. Researchers now say, however, that they have developed a way to shrink capacitors -- key components that store energy -- even further, which could accelerate the development of more compact, high-performance next-gen devices. The study appears in the journal ACS Nano.

Takayoshi Sasaki and colleagues point out that many recent improvements have already downsized capacitors significantly. But current technology has almost reached its limit in terms of materials and processing, which in turn limits the performance that manufacturers can achieve. In response, researchers have gone to the nanoscale, but "nanocapacitors" are not easy to make. They require harsh, difficult-to-use methods and even then, they may not work that well. So Sasaki's team developed an easier approach, and they use it to make high-performance "ultrathin" capacitors.

The researchers found that they could use gentle techniques and mild conditions to create a sandwich consisting of layers of two different types of oxide nanosheets to produce an ultrathin capacitor. In addition, the new capacitor has a capacitance density about 2,000 times higher than that of commercially available products. They say that, in the future, the ultrathin capacitors could be used in printed circuit boards and in memory storage devices, for example.


Story Source:

The above story is based on materials provided by American Chemical Society. Note: Materials may be edited for content and length.


Journal Reference:

  1. Chengxiang Wang, Minoru Osada, Yasuo Ebina, Bao-Wen Li, Kosho Akatsuka, Katsutoshi Fukuda, Wataru Sugimoto, Renzhi Ma, Takayoshi Sasaki. All-Nanosheet Ultrathin Capacitors Assembled Layer-by-LayerviaSolution-Based Processes. ACS Nano, 2014; 140219070102009 DOI: 10.1021/nn406367p

Cite This Page:

American Chemical Society. "Advance in energy storage could speed up development of next-gen electronics." ScienceDaily. ScienceDaily, 19 February 2014. <www.sciencedaily.com/releases/2014/02/140219105423.htm>.
American Chemical Society. (2014, February 19). Advance in energy storage could speed up development of next-gen electronics. ScienceDaily. Retrieved July 31, 2014 from www.sciencedaily.com/releases/2014/02/140219105423.htm
American Chemical Society. "Advance in energy storage could speed up development of next-gen electronics." ScienceDaily. www.sciencedaily.com/releases/2014/02/140219105423.htm (accessed July 31, 2014).

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