Title Kiša kao obnovljivi izvor energije Title (english) Rain as renewable source of energy Author David Ban Mentor Krešo Zadro (mentor)Committee member Krešo Zadro (predsjednik povjerenstva)Committee member Mario Basletić (član povjerenstva)Committee member Nenad Judaš (član povjerenstva)Committee member Ivica Đilović (član povjerenstva)Committee member Marinko Jablan (član povjerenstva)Granter University of Zagreb Defense date and country 2022-09-20, Croatia Scientific / art field, NATURAL SCIENCES Abstract Sva bića svakodnevno trebaju energiju za obavljanje osnovnih životnih procesa. Također, u zadnjih nekoliko desetljeća, moderna civilizacija je sve više ovisna o električnoj energiji za uspješno funkcioniranje. Energija koju koristimo dolazi iz primarnih izvora, a najbitniji takav izvor je Sunce. Za prikupljanje energije iz Sunca, još od kraja 19. stoljeća, koriste se solarne ćelije. Kako im i samo ime nalaže, prikupljanje energije iz Sunca moguće je samo tijekom vedrih i sunčanih dana. S obzirom na to da se neka područja u svijetu ne mogu osloniti na stalan pritok sunčevih zraka, znanstvenici traže nove načine sakupljanja sve one raspršene energije koja se, nažalost, ne iskorištava. Tako su, u zadnjih nekoliko godina, znanstvenici s različitih instituta napravili nekoliko uređaja koji sakupljaju energiju pomoću kišnih kapi. Tako je, svjetlo (vjerojatno kišnog) dana ugledao triboelektrični nanogenerator (TENG) kojim je, pomoću triboelektriciteta, moguće sakupljati energiju iz kišnih kapi. Zatim je, nekoliko godina kasnije, nastao generator energije na bazi kapljica (engl. droplet-based electricity generator, DEG) koji, uz nekoliko preinaka u strukturi TENG-a, postiže puno veću efikasnost. Upravo najzanimljiviji uređaj nastao je integriranjem triboelektričnog nanogeneratora na silikonsku solarnu ćeliju pomoću zajedničke elektrode načinjene od poli(3,4-etilendioksitiofena):poli(stirensulfonata), skraćeno PEDOT:PSS-a. Takav hibridni sustav prikupljanja energije kombinira prednosti visoke izlazne struje, koju daje solarna ćelija, s visokim izlaznim naponom TENG-a. Iz tih razloga, ovakav uređaj omogućuje sakupljanje energije neovisno o vremenskim prilikama i dobi dana.
Abstract (english) All beings need energy to carry out basic life processes every day. Also, in the last few decades, modern civilization is increasingly dependent on electricity for successful functioning. The energy we use comes from primary sources, and the most important of them is the Sun. Solar cells have been used to collect energy from the Sun since the end of the 19th century. As their name suggests, collecting energy from the Sun is only possible during clear and sunny days. Given that some areas in the world cannot rely on a constant influx of sunlight, scientists are looking for new ways to collect all that scattered energy that is, unfortunately, not used. So, in the last few years, scientists from different institutes have made several devices that collect energy using raindrops. Thus, the triboelectric nanogenerator (TENG) with which, using triboelectricity, is possible to collect energy from raindrops, saw the light of (probably rainy) day. Then, a few years later, a droplet-based electricity generator (DEG) was created, which, with several changes in the structure of the TENG, achieves much higher efficiency. The most interesting device was created by integrating a triboelectric nanogenerator on a silicon solar cell using a common electrode made of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate), abbreviated PEDOT:PSS. Such a hybrid energy harvesting system combines the advantages of the high output current of a solar cell with the high output voltage of a TENG. For these reasons, this kind of device enables the collection of energy regardless of the weather conditions and time of day.
Keywords
energija
sakupljanje energije
Sunce
kiša
solarna ćelija
triboelektrični nanogenerator
generator energije na bazi kapljica
hibridni sustav za sakupljanje energije
Keywords (english)
energy
energy harvesting
Sun
rain
solar cell
triboelectric nanogenerator
droplet-based electricity generator
hybrid energy harvesting system
Language croatian URN:NBN urn:nbn:hr:217:612361 Study programme Title: Physics and Chemistry; specializations in: Education Type of resource Text File origin Born digital Access conditions Open access Terms of use Created on 2022-10-19 08:24:26
