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Today: 20 October 2020, Tuesday.

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#1

 

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Description As per Xiaomi, the 80W Mi wireless charging Technology is capable of filling a 4,000 mAh battery to 10 per cent in 1 minute.

#Energy
Field # Energy
Updated 19 October 2020

#3

 

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Description Xiaomi has announced 80W fast wireless charging technology through a post on Chinese micro-blogging website, Weibo. The company claims that this technology can charge a 4,000mAh battery in just 19 minutes.

#Energy
Field # Energy
Updated 19 October 2020

#4

 

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Description Scientists in Japan have used a boron-based reaction to create synthetic oil at room temperature, paving the way for greener oil production.

#Energy
Field # Energy
Updated 19 October 2020

#5

 

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Description The iPhone 12 is said to be powered by a 2,815mAh battery while the battery capacity of the iPhone 12 Mini is claimed to be 2,227mAh.

#Energy
Field # Energy
Updated 19 October 2020

#6

 

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Description Power electronics regulate and modify electric power. They are in computers, power steering systems, solar cells, and many other technologies. Researchers are seeking to enhance power electronics by using silicon carbide ...

#Energy
Field # Energy
Updated 19 October 2020

#7

 

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Description Xiaomi's next-gen wireless charging technology can get a smartphone fully charged in 19 minutes.

#Energy
Field # Energy
Updated 19 October 2020

#8

 

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Description A team led by scientists in the Perelman School of Medicine at the University of Pennsylvania has produced a detailed picture of fuel and nutrient use by the human heart. The study, published in Science, was the first of its kind, involving the simultaneous sampling of blood from different parts of

#Energy
Field # Energy
Updated 19 October 2020

#9

 

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Description Xiaomi General Manager Lu Weibing posted on Weibo confirming that Redmi has also considered the possibility of producing a ‘mini’ smartphone. However, the company will have to compromise on the battery capacity a lot. He suggests that reducing the form factor of a smartphone will directly mean that the battery integrated inside will be smaller and so the battery life will be compromised significantly.

#Energy
Field # Energy
Updated 19 October 2020

#10

 

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Description Even if Apple had simply sliced the price of the BeatsX in half, we'd be happy, but the Flex's bigger battery, great sound, and auto-pause option seal the deal.

#Energy
Field # Energy
Updated 19 October 2020

#11

 

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Description Leaks claim the iPhone 12 mini will flaunt a 2,227mAh battery while the iPhone 12 has surfaced with a 2,815mAh battery.

#Energy
Field # Energy
Updated 18 October 2020

#12

 

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Description In order to make a car run, a car’s engine burns gasoline and converts the energy from the heat of the combusting gasoline into mechanical work. In the process, however, energy is wasted; a typical car only converts around 25 per cent of the energy in gasoline into useful energy to make it run. E

#Energy
Field # Energy
Updated 18 October 2020

#13

 

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Description Want a security camera that can go pretty much anywhere? Here are your best bets.

#Energy
Field # Energy
Updated 18 October 2020

#14

 

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Description Mikhail Vagin and his colleagues at the Linköping University’s Laboratory of Organic Electronics have recently devised the world’s first organic battery. Redox flow batteries are stationary batteries that store energy in the electrolyte, outside the cells itself, and can be recharged an unlimited

#Energy
Field # Energy
Updated 18 October 2020

#15

 

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Description TBD

#Energy
Field # Energy
Updated 18 October 2020

#16

 

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Description TBD

#Energy
Field # Energy
Updated 18 October 2020

#17

 

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Description TBD

#Energy
Field # Energy
Updated 18 October 2020

#18

 

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Description In an entirely new approach to making lithium-ion batteries lighter, safer and more efficient, scientists at Stanford University and the Department of Energy’s SLAC National Accelerator Laboratory have re-engineered one of the heaviest battery components ­– sheets of copper or aluminium foil known a

#Energy
Field # Energy
Updated 17 October 2020

#19

 

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Description Zepp E Circle review: a solid smartwatch with fitness and wellness features that feels a bit overpriced

#Energy
Field # Energy
Updated 17 October 2020

#20

 

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Description Samsung Galaxy Fit2 is priced at Rs 3999 and is available in two colours- Black and Scarlet. Buyers can buy it across Samsung.com, select offline retail stores and Amazon.in starting October 16.

#Energy
Field # Energy
Updated 17 October 2020

#21

 

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Description Samsung Galaxy Fit 2 fitness tracker has been launched in India. The wearable boasts of an AMOLED display, up to 15 days of battery life on a single charge, and a host of workout modes. It is priced at Rs. 3,999 in India.

#Energy
Field # Energy
Updated 17 October 2020

#22

 

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Description OnePlus 8T teardown video has been released by YouTuber Zack Nelson of JerryRigEverything that gives us a detailed look at its dual-battery configuration. The teardown follows a durability test under which the latest OnePlus phone went through rigorous scratch and bend tests.

#Energy
Field # Energy
Updated 17 October 2020

#23

 

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Description iPhone 12 mini and iPhone 12 battery capacities have reportedly been revealed through certifications shared by Brazilian telecom regulator Anatel. The documents sourced from Anatel also indicate that the iPhone 12 Pro will be produced at Foxconn’s facilities in Brazil and India – besides China.

#Energy
Field # Energy
Updated 17 October 2020

#24

 

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Description Solar panels offer huge potential to move more people away from electricity generated from burning coal, and a new innovation devised by scientists stands to more than double the amount of light captured by conventional solar cells.

#Energy
Field # Energy
Updated 17 October 2020

#25

 

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Description Commercial molten-salt and gas-cooled reactors to be built within 7 years

#Energy
Field # Energy
Updated 16 October 2020

#26

 

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Description This study investigates the pore-scale displacement mechanisms of crude oil in aged carbonate rocks using novel engineered carbon nanosheets (E-CNS) derived from sub-bituminous coal. The nanosheets, synthesized by a simple top-down technique, were stable in brine without any additional chemicals. Owing to their amphiphilic nature and nano-size, they exhibited dual properties of surfactants and nanoparticles and reduced the oil/brine interfacial tension (IFT) from 14.6 to 5.5 mN/m. X-ray micro-computed tomography coupled with miniature core-flooding was used to evaluate their ability to enhance oil recovery. Pore-scale displacement mechanisms were investigated using in-situ contact angle measurements, oil ganglia distribution analysis, and three-dimensional visualization of fluid occupancy maps in pores of different sizes. Analysis of these maps at the end of various flooding stages revealed that the nanofluid invaded into medium and small pores that were inaccessible to base brine. IFT reduction was identified as the main displacement mechanism responsible for oil recovery during 1 to 8 pore volumes (PVs) of nanofluid injection. Subsequently, wettability alteration was the dominant mechanism during the injection of 8 and 32 PVs, decreasing the average contact angle from 134° (oil wet) to 85° (neutral wet). In-situ saturation data reveals that flooding with only 0.1 wt% of E-CNS in brine resulted in incremental oil production of 20%, highlighting the significant potential of this nanofluid as a recovery agent.

#Energy
Field # Energy
Updated 16 October 2020

#27

 

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Description Researchers at MIT and elsewhere have significantly boosted the output from a system that can extract drinkable water directly from the air even in dry regions, using heat from the sun or another source. The system, which builds on a design initially developed three years ago at MIT by members of

#Energy
Field # Energy
Updated 16 October 2020

#28

 

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Description Scientists found the nanosheets catalyzed oxygen-reduction reactions.

#Energy
Field # Energy
Updated 16 October 2020

#29

 

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Description A novel design of thin-film crystalline silicon solar cell (TF C-Si-SC) is proposed and numerically analyzed. The reported SC has 1.0 µm thickness of C-Si with embedded dielectric silicon dioxide nanowires (NWs). The introduced NWs increase the light scattering in the active layer which improves the optical path length and hence the light absorption. The SC geometry has been optimized using particle swarm optimization (PSO) technique to improve the optical and electrical characteristics. The suggested TF C-Si-SC with two embedded NWs offers photocurrent density ( $${J}_{ph}$$ ) of 32.8 mA cm−2 which is higher than 18 mA cm−2 of the conventional thin film SC with an enhancement of 82.2%. Further, a power conversion efficiency of 15.9% is achieved using the reported SC.

#Energy
Field # Energy
Updated 16 October 2020

#30

 

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Description TBD

#Energy
Field # Energy
Updated 16 October 2020

#31

 

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Description Scientists from the University of Surrey have revealed the significant improvements they are making in perovskite-based solar cells.

#Energy
Field # Energy
Updated 16 October 2020

#32

 

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Description If you think about computation, the words correctness, speed and precision probably come to mind. But the researchers of the OPRECOMP project beg to differ. They aim for developing a radically different, more flexible type ...

#Energy
Field # Energy
Updated 16 October 2020

#33

 

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Description Infrastructure-as-code (IaC) takes all of the proven techniques of DevOps software development and applies them to cloud infrastructure. It’s a…...

#Energy
Field # Energy
Updated 16 October 2020

#34

 

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Description Momentum Technologies Inc., a Dallas, Texas-based materials science company that is focused on extracting critical metals from electronic waste, has licensed an Oak Ridge National Laboratory process for recovering cobalt and other metals from spent lithium-ion batteries. Less than 5% of spent lit

#Energy
Field # Energy
Updated 15 October 2020

#35

 

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Description The renewal of Mission Innovation is important — but more targeted interventions are needed to deliver on necessary energy-innovation goals.

#Energy
Field # Energy
Updated 15 October 2020

#36

 

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Description Current collectors are essential components in lithium-ion batteries, but are typically made of metal foils that do not contribute to the battery capacity. Now, a fire-extinguishing lightweight polymer-based current collector is developed that enhances both the energy density and safety of the battery.

#Energy
Field # Energy
Updated 15 October 2020

#37

 

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Description A team of researchers from China, Canada and Australia has found a way to improve the efficiency of all-perovskite solar cells through use of a reducing agent. In their paper published in the journal Nature Energy, the group ...

#Energy
Field # Energy
Updated 15 October 2020

#38

 

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Description TBD

#Energy
Field # Energy
Updated 14 October 2020

#39

 

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Description Despite the prediction of the existence of a metal state of hydrogen, it is hard to predict its properties as it should be observed in high pressure, where quantum effects occur. Recently, a discontinuous change of the direct bandgap of hydrogen was observed at approximately 425 gigapascals.

#Energy
Field # Energy
Updated 14 October 2020

#40

 

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Description Scientists have long sought to harness fusion as an inexhaustible and carbon-free energy source. Within the past few years, groundbreaking high-temperature superconductor technology (HTS) sparked a new vision for achieving practical fusion energy. This approach, known as the high-field pathway to fu

#Energy
Field # Energy
Updated 14 October 2020

#41

 

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Description Apple has introduced important upgrades to the new iPhone 12 series in key areas including battery life. Here's how they compare.

#Energy
Field # Energy
Updated 14 October 2020

#42

 

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Description Momentum Technologies Inc., a Dallas, Texas-based materials science company that is focused on extracting critical metals from electronic waste, has licensed an Oak Ridge National Laboratory process for recovering cobalt ...

#Energy
Field # Energy
Updated 14 October 2020

#43

 

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Description Wastewater treatment coupled with electricity recovery in microbial fuel cell (MFC) prefer mixed anaerobic sludge as inoculum in anodic chamber than pure stain of electroactive bacteria (EAB), due to robustness and syntrophic association. Genetic modification is difficult to adopt for mixed sludge microbes for enhancing power production of MFC. Hence, we demonstrated use of eco-friendly plant secondary metabolites (PSM) with sub-lethal concentrations to enhance the rate of extracellular electron transfer between EAB and anode and validated it in both bench-scale as well as pilot-scale MFCs. The PSMs contain tannin, saponin and essential oils, which are having electron shuttling properties and their addition to microbes can cause alteration in cell morphology, electroactive behaviour and shifting in microbial population dynamics depending upon concentrations and types of PSM used. Improvement of 2.1-times and 3.8-times in power densities was observed in two different MFCs inoculated with Eucalyptus-extract pre-treated mixed anaerobic sludge and pure culture of Pseudomonas aeruginosa, respectively, as compared to respective control MFCs operated without adding Eucalyptus-extract to inoculum. When Eucalyptus-extract-dose was spiked to anodic chamber (125 l) of pilot-scale MFC, treating septage, the current production was dramatically improved. Thus, PSM-dosing to inoculum holds exciting promise for increasing electricity production of field-scale MFCs.

#Energy
Field # Energy
Updated 14 October 2020

#44

 

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Description By first-principles calculations, we investigate the geometric stability, electronic and optical properties of the type-II PN-WSe2 and type-I PAs-WSe2 van der Waals heterostructures(vdWH). They are p-type semiconductors with indirect band gaps of 1.09 eV and 1.08 eV based on PBE functional respectively. By applying the external gate field, the PAs-WSe2 heterostructure would transform to the type-II band alignment from the type-I. With the increasing of magnitude of the electric field, two heterostructures turn into the n-type semiconductors and eventually into metal. Especially, PN/PAs-WSe2 vdWH are both high refractive index materials at low frequencies and show negative refractive index at high frequencies. Because of the steady absorption in ultraviolet region, the PAs-WSe2 heterostructure is a highly sensitive UV detector material with wide spectrum. The type-II PN-WSe2 heterostructure possesses giant and broadband absorption in the near-infrared and visible regions, and its solar power conversion efficiency of 13.8% is higher than the reported GaTe–InSe (9.1%), MoS2/p-Si (5.23%) and organic solar cells (11.7%). It does project PN-WSe2 heterostructure a potential for application in excitons-based solar cells.

#Energy
Field # Energy
Updated 14 October 2020

#45

 

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Description In a bid to help people further save energy at home, Google has launched a new Nest Thermostat -- an easy to use, energy-saving thermostat that people can control from anywhere with the Google Home app.

#Energy
Field # Energy
Updated 14 October 2020

#46

 

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Description Buy all the batteries you need for this holiday season during Prime Day. You won't see cheaper batteries from these big brands anytime soon again.

#Energy
Field # Energy
Updated 13 October 2020

#47

 

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Description Finnish Soletair Power markets carbon capture as indoor air quality control.

#Energy
Field # Energy
Updated 13 October 2020

#48

 

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Description Motivated by developments in information technology, recording personal parameters with health devices is effective in health promotion. Today’s indoor individual lifestyles often involve using electrical appliances. We developed a health support system combined with wireless electricity monitoring and investigated whether electricity use is associated with residents’ vital data and lifestyles. We recruited 116 participants in February 2013. Their vital and electricity use data were collected daily. They completed a self-administered questionnaire. Among participants living alone, electricity from 20 February to 11 March 2013 was negatively associated with high-density lipoprotein (HDL) (P = 0.008) and positively associated with low-density lipoprotein (LDL) (P = 0.007) and neutral fat (P = 0.020) levels. Among all participants, electricity use was negatively associated with vegetable intake (P = 0.044) and step count (P = 0.040). Temperature sensitivity in winter was negatively associated with the LDL/HDL ratio for both men and women. For men, temperature sensitivity in winter was negatively related with alcohol intake; for women, it was positively related to body fat percentage and abdominal circumference and negatively correlated to vegetable intake. Temperature sensitivity in summer was positively associated with vegetable intake for men and women. In conclusion, electricity use was related to vital data and lifestyles and influenced by temperature.

#Energy
Field # Energy
Updated 13 October 2020

#49

 

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Description TBD

#Energy
Field # Energy
Updated 13 October 2020

#50

 

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Description Accounting for multiple social aims other than costs is critical for transitioning from fossil fuels to renewable electricity. A new study by UNIGE proposes a viable compromise.

#Energy
Field # Energy
Updated 13 October 2020

#51

 

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Description ,When you go to the grocery store, you can look at an apple and know if it was grown in Chile, Washington or somewhere closer to you by a quick glance at its sticker. But consumers have largely been in the dark when it comes ...

#Energy
Field # Energy
Updated 13 October 2020

#52

 

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Description This line of phones could bring a new wave of Android users to iOS.

#Energy
Field # Energy
Updated 13 October 2020

#53

 

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Description Glucose-6-phosphate dehydrogenase (G6PD) deficiency is a common hereditary disorder in China. The existing prevalence and molecular epidemiology of G6PD deficiency in China were geographically limited. In this study, the spectrum of G6PD gene mutations was well characterized in a large and diverse population all over the country; and the correlation of genotype and enzyme activity phenotype was explored for the first time. The results showed that the overall prevalence of G6PD deficiency in China was 2.10% at the national level. The top six common mutations were c.1388 G>A, c.1376 G>T, c.95 A>G, c.392 G>T, c.871 G>A and c.1024 C>T, accounting for more than 90% of G6PD deficient alleles. Compound mutation patterns were frequently observed in females with severe deficiency. The distribution of G6PD activities depended on the type of mutation patterns and genders. Hemizygote, homozygote, and compound heterozygote were predominantly associated with severe G6PD deficiency, whereas heterozygotes with single mutation mainly presented moderate enzyme deficiency. A significant gap between G6PD activities in hemizygous and normal males was observed, and yet, the overall distribution of that in females carrying missense mutations was a continuum from G6PD severely deficient to normal. This is the first report of discussing the association between G6PD genetic variants in the Chinese and enzyme activity phenotypes.

#Energy
Field # Energy
Updated 13 October 2020

#54

 

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Description In recent years, high energy density polymer capacitors have attracted a lot of scientific interest due to their potential applications in advanced power systems and electronic devices. Here, core–shell structured TiO2@SrTiO3@polydamine nanowires (TiO2@SrTiO3@PDA NWs) were synthesized via a combination of surface conversion reaction and in-situ polymerization method, and then incorporated into the poly(vinylidene fluoride) (PVDF) matrix. Our results showed that a small amount of TiO2@SrTiO3@PDA NWs can simultaneously enhance the breakdown strength and electric displacement of nanocomposite (NC) films, resulting in improved energy storage capability. The 5 wt% TiO2@SrTiO3@PDA NWs/PVDF NC demonstrates 1.72 times higher maximum discharge energy density compared to pristine PVDF (10.34 J/cm3 at 198 MV/m vs. 6.01 J/cm3 at 170 MV/m). In addition, the NC with 5 wt% TiO2@SrTiO3@PDA NWs also demonstrates an excellent charge–discharge efficiency (69% at 198 MV/m). Enhanced energy storage performance is due to hierarchical interfacial polarization among their multiple interfaces, the large aspect ratio as well as surface modification of the TiO2@SrTiO3 NWs. The results of this study provide guidelines and a foundation for the preparation of the polymer NCs with an outstanding discharge energy density.

#Energy
Field # Energy
Updated 13 October 2020

#55

 

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Description Driven by recent improvements in efficiency and stability of perovskite solar cells (PSCs), upscaling of PSCs has come to be regarded as the next step. Specifically, a high-throughput, low-cost roll-to-roll (R2R) processes would be a breakthrough to realize the commercialization of PSCs, with uniform formation of precursor wet film and complete conversion to perovskite phase via R2R-compatible processes necessary to accomplish this goal. Herein, we demonstrate the pilot-scale, fully R2R manufacturing of all the layers except for electrodes in PSCs. Tert-butyl alcohol (tBuOH) is introduced as an eco-friendly antisolvent with a wide processing window. Highly crystalline, uniform formamidinium (FA)-based perovskite formation via tBuOH:EA bathing was confirmed by achieving high power conversion efficiencies (PCEs) of 23.5% for glass-based spin-coated PSCs, and 19.1% for gravure-printed flexible PSCs. As an extended work, R2R gravure-printing and tBuOH:EA bathing resulted in the highest PCE reported for R2R-processed PSCs, 16.7% for PSCs with R2R-processed SnO2/FA-perovskite, and 13.8% for fully R2R-produced PSCs. Driven by recent improvement in efficiency and stability of perovskite solar cells, the next step toward commercialisation is upscaling. Here, the authors demonstrate pilot-scale fully roll-to-roll manufacturing of flexible perovskite solar cells through gravure-printing and antisolvent bathing.

#Energy
Field # Energy
Updated 13 October 2020

#56

 

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Description The lithium batteries that power electronic devices and electric vehicles have a number of drawbacks. The electrolyte—the medium that enables electrons and positive charges to move between the electrodes—is a flammable ...

#Energy
Field # Energy
Updated 13 October 2020

#57

 

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Description The first magnifying lenses appeared in the 13th century, invented to aid those with poor eyesight. Technological improvements eventually led to microscopes and telescopes, opening our eyes to the tiny worlds right in front of us and the vastness of space over our heads. More refinements to the t

#Energy
Field # Energy
Updated 13 October 2020

#58

 

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Description TBD

#Energy
Field # Energy
Updated 13 October 2020