
{"id":3239,"date":"2019-12-04T10:37:17","date_gmt":"2019-12-04T10:37:17","guid":{"rendered":"https:\/\/www.editage.com\/insights\/diamonds-in-your-devices-powering-the-next-generation-of-energy-storage\/"},"modified":"2025-02-19T11:50:14","modified_gmt":"2025-02-19T11:50:14","slug":"diamonds-in-your-devices-powering-the-next-generation-of-energy-storage","status":"publish","type":"post","link":"https:\/\/www.editage.com\/insights\/diamonds-in-your-devices-powering-the-next-generation-of-energy-storage","title":{"rendered":"Diamonds in your devices: Powering the next generation of energy storage"},"content":{"rendered":"<p style=\"text-align:justify; margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><span style=\"font-family:&quot;Calibri&quot;,sans-serif\">Our use of battery-operated devices and appliances has been increasing steadily, bringing with it the need for safe, efficient, and high-performing power sources. To this end, a type of electrical energy storage device called the supercapacitor has recently begun to be considered as a feasible, and sometimes even better, alternative to conventional widely used energy-storage devices such as Li-ion batteries. <\/span><\/span><\/span><\/span><\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\">\u00a0<\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><span style=\"font-family:&quot;Calibri&quot;,sans-serif\">Supercapacitors can charge and discharge much more rapidly than conventional batteries and also continue to do so for much longer. This makes them suitable for a range of applications such as regenerative braking in vehicles, wearable electronic devices, and so on. \u201c<\/span><span style=\"font-family:&quot;Calibri&quot;,sans-serif\">If a high-performance supercapacitor using a non-flammable, non-toxic, and safe aqueous electrolyte can be created, it can be incorporated into wearable devices and other devices, contributing to a boom in the Internet of Things,\u201d Dr Takeshi Kondo, who is the lead scientist in a <span class=\"MsoHyperlink\" style=\"color:blue\"><span style=\"text-decoration:underline\"><a href=\"https:\/\/www.nature.com\/articles\/s41598-019-54197-9\" style=\"color:blue; text-decoration:underline\">recent breakthrough study<\/a><\/span><\/span> in the field, says.<\/span><\/span><\/span><\/span><\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\">\u00a0<\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><span style=\"font-family:&quot;Calibri&quot;,sans-serif\">Yet, despite their potential, supercapacitors, at present, have certain drawbacks that are preventing their widespread use. One major issue is that they have low energy density; that is, they store insufficient energy per unit area of their space. Scientists first attempted to solve this problem by using organic solvents as the electrolyte\u2014the conducting medium\u2014inside supercapacitors to raise the generated voltage (note that the square of the voltage is directly proportional to energy density in energy storage devices). But organic solvents are costly and have low conductivity. So, perhaps, an aqueous electrolyte would be better, the scientists thought. <\/span><\/span><\/span><\/span><\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\">\u00a0<\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><span style=\"font-family:&quot;Calibri&quot;,sans-serif\">Thus, the development of supercapacitor components that would be effective with aqueous electrolytes became a central research topic in the field. <\/span><\/span><\/span><\/span><\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\">\u00a0<\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><span style=\"font-family:&quot;Calibri&quot;,sans-serif\">In the aforementioned recent study, published in <i>Scientific Reports<\/i>, Dr Kondo and group from the Tokyo University of Science and Daicel Corporation in Japan explored the possibility of using a novel material, the boron-doped nanodiamond, as electrode in the supercapacitors\u2014electrodes are the conducting materials in a battery or capacitor that connect the electrolyte with external wires, to transport current out of the system. This research group\u2019s choice of electrode material was based on the knowledge that boron-doped diamonds have a wide potential window, a feature that enables a high-energy storage device to remain stable over time. \u201c<\/span><span style=\"font-family:&quot;Calibri&quot;,sans-serif\">We thought that water-based supercapacitors producing a large voltage could be realized if conductive diamond is used as an electrode material,\u201d Dr Kondo says.<\/span><\/span><\/span><\/span><\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\">\u00a0<\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><span style=\"font-family:&quot;Calibri&quot;,sans-serif\">The scientists used a technique called the microwave plasma-assisted chemical vapor deposition, MPCVD, to manufacture these electrodes and examined their performance by testing their properties. They found that in a basic two-electrode system with an aqueous sulfuric acid electrolyte, these electrodes produced a much higher voltage than did conventional cells, resulting in much higher energy and power densities for the supercapacitor. Further, they saw that even after 10,000 cycles of charging and discharging, the electrode remained very stable. The boron-doped nanodiamond had proven its worth.<\/span><\/span><\/span><\/span><\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\">\u00a0<\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><span style=\"font-family:&quot;Calibri&quot;,sans-serif\">Armed with this success, the scientists then ventured to explore whether this electrode material would show the same results if the electrolyte were changed to saturated sodium perchlorate solution, which is known to enable production of a higher voltage than what is possible with conventional sulfuric acid electrolyte. Indeed, the already high voltage generated expanded considerably in this setup. <\/span><\/span><\/span><\/span><\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\">\u00a0<\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><span style=\"font-family:&quot;Calibri&quot;,sans-serif\">Thus, as Dr Kondo has said, \u201cthe boron-doped nanodiamond electrodes are useful for aqueous supercapacitors, which function as high-energy storage devices suitable for high-speed charging and discharging.\u201d \u00a0<\/span><\/span><\/span><\/span><\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\">\u00a0<\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><span style=\"font-family:&quot;Calibri&quot;,sans-serif\">Looks like diamonds could be driving our electronic and physical lives in the near future! <\/span><\/span><\/span><\/span><\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\">\u00a0<\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><b><span style=\"font-family:&quot;Calibri&quot;,sans-serif\">Reference<\/span><\/b><\/span><\/span><\/p>\n<table class=\"Table\" style=\"border-collapse:collapse; border:undefined\">\n<tbody>\n<tr>\n<td style=\"width:130.5pt; padding:0in 0in 0in 0in\" valign=\"top\" width=\"174\">\n<p style=\"margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><span style=\"font-size:11.0pt\"><span style=\"font-family:&quot;Calibri&quot;,sans-serif\">Title of original paper:<\/span><\/span><\/span><\/span><\/p>\n<p style=\"margin:0in 0in 0.0001pt\">\u00a0<\/p>\n<p style=\"margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><span style=\"font-size:11.0pt\"><span style=\"font-family:&quot;Calibri&quot;,sans-serif\">Journal: <\/span><\/span><\/span><\/span><\/p>\n<\/td>\n<td style=\"width:320.8pt; padding:0in 0in 0in 0in\" valign=\"top\" width=\"428\">\n<p style=\"margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"text-autospace:none\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><span lang=\"EN-GB\" style=\"font-family:&quot;Calibri&quot;,sans-serif\" xml:lang=\"EN-GB\">Boron-doped Nanodiamond as an Electrode Material for Aqueous Electric Double-layer Capacitors<\/span><\/span><\/span><\/span><\/p>\n<p style=\"margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"text-autospace:none\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><i><span lang=\"EN-GB\" style=\"font-family:&quot;Calibri&quot;,sans-serif\" xml:lang=\"EN-GB\">Scientific Reports<\/span><\/i><\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width:130.5pt; padding:0in 0in 0in 0in\" valign=\"top\" width=\"174\">\n<p style=\"margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><span style=\"font-size:11.0pt\"><span style=\"font-family:&quot;Calibri&quot;,sans-serif\">DOI:<\/span><\/span><\/span><\/span><\/p>\n<\/td>\n<td style=\"width:320.8pt; padding:0in 0in 0in 0in\" valign=\"top\" width=\"428\">\n<p style=\"margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><span class=\"MsoHyperlink\" style=\"color:blue\"><span style=\"text-decoration:underline\"><span style=\"font-size:11.0pt\"><span style=\"font-family:&quot;Calibri&quot;,sans-serif\"><a href=\"https:\/\/doi.org\/10.1038\/s41598-019-54197-9\" style=\"color:blue; text-decoration:underline\">https:\/\/doi.org\/10.1038\/s41598-019-54197-9<\/a><\/span><\/span><\/span><\/span> <\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"Default\" style=\"margin:0in 0in 0.0001pt\">\u00a0<\/p>\n<p class=\"Default\" style=\"margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri,sans-serif\"><span style=\"color:black\"><b>About <\/b><b>the Tokyo University of Science<\/b><\/span><\/span><\/span><\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><span style=\"font-family:&quot;Calibri&quot;,sans-serif\"><a href=\"https:\/\/www.tus.ac.jp\/en\/mediarelations\/\">Tokyo University of Science<\/a> (TUS) is a well-known and respected university, and the largest science-specialized private research university in Japan, with four campuses in central Tokyo and its suburbs and in Hokkaido. Established in 1881, the university has continually contributed to Japan&#8217;s development in science through inculcating the love for science in researchers, technicians, and educators. <\/span><\/span><\/span><\/span><\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\">\u00a0<\/span><\/span><\/span><\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><span style=\"font-family:&quot;Calibri&quot;,sans-serif\">With a mission of \u201cCreating science and technology for the harmonious development of nature, human beings, and society&#8221;, TUS has undertaken a wide range of research from basic to applied science. TUS has embraced a multidisciplinary approach to research and undertaken intensive study in some of today&#8217;s most vital fields. TUS is a meritocracy where the best in science is recognized and nurtured. It is the only private university in Japan that has produced a Nobel Prize winner and the only private university in Asia to produce Nobel Prize winners within the natural sciences field. <\/span><\/span><\/span><\/span><\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\">\u00a0<\/p>\n<p style=\"text-align:justify; margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri,sans-serif\"><span style=\"color:black\"><b>About Associate Professor Takeshi Kondo from the Tokyo University of Science<\/b><\/span><\/span><\/span><\/p>\n<p class=\"Default\" style=\"margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri,sans-serif\"><span style=\"color:black\">Dr Takeshi Kondo, is currently Associate Professor at the Tokyo University of Science. Since 2004, he has been involved in research in the fields of functional solid-state chemistry and electrochemistry. He is the corresponding author of this study. He has over 110 research publications to his name and is affiliated with several prominent academic societies, including The Chemical Society of Japan. <\/span><\/span><\/span><\/p>\n<p class=\"Default\" style=\"margin:0in 0in 0.0001pt\">\u00a0<\/p>\n<p class=\"Default\" style=\"margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri,sans-serif\"><span style=\"color:black\"><b>Funding information<\/b><\/span><\/span><\/span><\/p>\n<p class=\"Default\" style=\"margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri,sans-serif\"><span style=\"color:black\"><i>This research was supported by Adaptable and Seamless Technology transfer Program through Target-driven R&amp;D (A-STEP) from Japan Science and Technology Agency (JST) and by JSPS KAKENHI Grant Number 19K05064.<\/i><\/span><\/span><\/span><\/p>\n<p class=\"Default\" style=\"margin:0in 0in 0.0001pt\">\u00a0<\/p>\n<p class=\"Default\" style=\"margin:0in 0in 0.0001pt\"><strong>Media contact<\/strong><\/p>\n<p style=\"margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><span lang=\"EN-GB\" style=\"font-size:11.0pt\" xml:lang=\"EN-GB\"><span style=\"font-family:&quot;Calibri&quot;,sans-serif\">Tsutomu Shimizu <\/span><\/span><\/span><\/span><\/p>\n<p style=\"margin:0in 0in 0.0001pt\"><span style=\"font-size:12pt\"><span style=\"font-family:&quot;Times New Roman&quot;,serif\"><span lang=\"EN-GB\" style=\"font-size:11.0pt\" xml:lang=\"EN-GB\"><span style=\"font-family:&quot;Calibri&quot;,sans-serif\">Email: <span class=\"MsoHyperlink\" style=\"color:blue\"><span style=\"text-decoration:underline\"><a href=\"mailto:mediaoffice@admin.tus.ac.jp\" style=\"color:blue; text-decoration:underline\">mediaoffice@admin.tus.ac.jp<\/a><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Our use of battery-operated devices and appliances has been increasing steadily, bringing with it the need for safe, efficient, and high-performing power sources. To this end, a type of electrical energy storage device called the supercapacitor has recently begun to be considered as a feasible, and sometimes even better, alternative to conventional widely used energy-storage [&hellip;]<\/p>\n","protected":false},"author":1152,"featured_media":33313,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[2435],"tags":[2482],"new_categories":[],"new_tags":[],"series":[],"class_list":["post-3239","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-trending-research","tag-science-update"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Diamonds in your devices: Powering the next generation of energy storage | Editage Insights<\/title>\n<meta name=\"description\" content=\"Scientists from 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